Appendix H
Appendix H
Nassau County Department of Health
Water Quality Monitoring Program
APPENDIX H
WATER QUALITY MONITORING PROGRAM TO DETECT PESTICIDE CONTAMINATION
IN GROUNDWATERS OF NASSAU AND SUFFOLK COUNTIES
NASSAU COUNTY PUBLIC SUPPLY WELLS - 2001 DATA SUMMARY
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA |
|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Albertson W.D. | Albertson W.D. | Beaver Dam SC | Bethpage W.D. | Franklin Sq.WD | Freeport V. | Freeport V. | Garden City V. |
| WELL NO. | N-3733 | N-8558 | N-5672 | N-9591 | N-7177 | N-68 | N-69 | N-7058 |
| SAMPLE DATE | 7/17/2001 | 10/15/2001 | 9/10/2001 | 9/26/2001 | 11/30/2001 | 7/23/2001 | 7/23/2001 | 9/25/2001 |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | N/A | ND | ND | ND | ND | ND | ND |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND |
| N/A | 1,1,1-TCA (0.6) | N/A | N/A | N/A | 1,1,1-TCA (5) | N/A | N/A | N/A |
| N/A | TCE (1) | N/A | N/A | N/A | TCE (77) | N/A | N/A | N/A |
| VOLATILE | PCE (0.9) | N/A | N/A | N/A | Freon (7) | N/A | N/A | TCE (34) |
| ORGANICS (ug/l) | 1,1-DCE (0.5) | Chloroform (2) | ND | ND | 1,1-DCE (4) | ND | ND | PCE (110) |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| ALUMINUM | 35 | <5 | 5.8 | 12.2 | <5 | 57.6 | 51 | <5 |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 |
| BARIUM | 2.7 | 2.4 | 7.9 | <1 | 1.3 | 2 | 1.4 | 2.2 |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| CHROMIUM | 1.8 | 2.7 | 2.9 | <1 | 1.2 | 1.7 | 1.5 | 2 |
| COBALT | <1 | <1 | <1 | <1 | 1.5 | <1 | <1 | <1 |
| COPPER | 7.2 | 11.1 | 15.1 | 29.4 | 8.8 | 40 | 73.9 | 11.9 |
| IRON (mg/l) | <0.1 | <0.1 | 0.33 | <0.1 | <0.1 | 0.3 | 0.4 | <0.1 |
| LEAD | 1.1 | <1 | 2.3 | 2.2 | <1 | <1 | <1 | <1 |
| MANGANESE | 2.7 | <1 | 16.7 | 2.2 | 2.3 | 3.5 | 3.8 | <1 |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| NICKEL | 3 | 2.6 | 1.8 | <1 | 1.2 | 1.3 | 1.6 | 2.5 |
| SELENIUM | 3 | <2 | <2 | <2 | <2 | <2 | <2 | <2 |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 |
| SODIUM (mg/l) | 6.6 | 10.1 | 5.5 | 3 | 6.7 | 3.7 | 3.7 | 8.2 |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| TITANIUM | <1 | 3.1 | <1 | <1 | <1 | <1 | <1 | <1 |
| VANADIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| ZINC | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | ||||
| AMMONIA | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | 0.8 | <0.2 | <0.2 | <0.2 |
| CHLORIDE | 10 | 15 | 7 | 4 | 11 | 6 | 5 | 10 |
| CONDUCTIVITY | 103 | N/A | N/A | N/A | 429 | 37 | 37 | N/A |
| FLUORIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 |
| NITRATE | 2.5 | 3 | 2.5 | 1.2 | 0.8 | <0.2 | <0.2 | 5.2 |
| NITRITE | <0.02 | 0.03 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 |
| PH | 6 | N/A | N/A | N/A | 6.3 | 4.8 | 5 | N/A |
| SULFATE | 9 | 14 | 17 | <4 | 19 | <4 | <4 | 7 |
| PERCHLORATE (ug/l) | <2 | <2 | <2 | 3 | <2 | <2 | <2 | 3 |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA | |
|---|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Garden City V. | Garden City V. | Garden City V. | Garden City Pk | Garden City Pk | Glen Cove C | Glen Cove C | Glen Cove C | |
| WELL NO. | N-8339 | N-1697 | N-5163 | N-10612 | N-10612 | N-9210 | N-9211 | N-9334 | |
| SAMPLE DATE | 9/25/2001 | 9/25/2001 | 9/25/2001 | 7/17/2001 | 12/17/2001 | 8/6/2001 | 8/6/2001 | 8/6/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | DBCP (0.11) | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | ND | ND | 7 | 5 | ND | 17 | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | Desethyl- | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | atrazine-.05 | ND | |
| N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1,1-DCA(2) | N/A | |
| N/A | N/A | N/A | 1,1,1-TCA (2) | N/A | N/A | N/A | 111-TCA(1) | N/A | |
| N/A | 1,2-DCP(0.8) | N/A | TCE (51) | N/A | N/A | N/A | TCE (1) | N/A | |
| N/A | TCE (78) | N/A | PCE (18) | N/A | N/A | N/A | PCE (1) | N/A | |
| VOLATILE | PCE (130) | TCE (1) | cis12-DCE(.6) | N/A | N/A | N/A | cis-DCE(3) | N/A | |
| ORGANICS (ug/l) | cis12-DCE(.8) | PCE (0.7) | 1,1-DCE (3) | PCE (0.6) | PCE (0.7) | ND | 1,1-DCE(.5) | 1,1,1-TCA(.8) | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | 9.7 | 22.6 | 6.3 | <5 | 5.3 | <5 | <5 | 20 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | 2.8 | 4.1 | 3.8 | 18.5 | 21.1 | 18.3 | 18.5 | 29.5 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | 4.1 | 3.1 | 3.2 | 2.7 | 3.7 | <1 | <1 | 1 | |
| COBALT | <1 | 3.2 | <1 | <1 | <1 | <1 | <1 | <1 | |
| COPPER | 18.1 | 50.2 | 27 | 3.4 | 2.8 | 2.8 | 4.7 | 4.5 | |
| IRON (mg/l) | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| LEAD | 3.9 | 2.9 | <1 | <1 | <1 | <1 | <1 | 1.1 | |
| MANGANESE | 2.8 | 6.7 | 1.6 | <1 | <1 | <1 | <1 | 14.6 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | 4.8 | 4.5 | 2.4 | 4.2 | 2.9 | <1 | <1 | 2.1 | |
| SELENIUM | <2 | <2 | <2 | 2.7 | <2 | <2 | <2 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 13.6 | 9.4 | 14.5 | 13.6 | 13.1 | 12.9 | 16.3 | 13.6 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | 3.1 | <1 | <1 | <1 | <1 | <1 | 1.5 | |
| VANADIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ZINC | 56.2 | 65.8 | <50 | <50 | <50 | <50 | <50 | 80 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | 0.26 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | |
| CHLORIDE | 28 | 18 | 32 | 30 | 29 | 26 | 34 | 21 | |
| CONDUCTIVITY | N/A | N/A | N/A | 314 | 305 | N/A | N/A | N/A | |
| FLUORIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | |
| NITRATE | 4 | 2.1 | 5.4 | 4.8 | <0.2 | 3.3 | 5.9 | 5.9 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| PH | N/A | N/A | N/A | 6.4 | 6.5 | N/A | N/A | N/A | |
| SULFATE | 28 | 8 | 12 | 39 | 38 | 18 | 26 | 31 | |
| PERCHLORATE (ug/l) | <2 | <2 | <2 | <2 | <2 | <2 | <2 | 3 | |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA | |
|---|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Hempstead V. | Hempstead V. | Hicksville WD | Hicksville WD | Hicksville WD | Hicksville WD | Jericho WD | Locust Valley | |
| WELL NO. | N-81 | N-82 | N-3953 | N-3878 | N-8778 | N-8779 | N-6093 | N-119 | |
| SAMPLE DATE | 12/17/2001 | 12/17/2001 | 10/15/2001 | 10/15/2001 | 10/31/2001 | 10/31/2001 | 10/15/2001 | 8/21/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| N/A | N/A | TCE (4) | N/A | N/A | 1,1-DCA (0.9) | chlorodifluoro-methane(4) | N/A | N/A | |
| VOLATILE | Chlorodifluoro- | PCE (0.6) | N/A | N/A | TCE (20) | 1,1-DCA (2) | N/A | N/A | |
| ORGANICS (ug/l) | methane(4) | 1,1-DCE (0.6) | ND | ND | Freon 113 (1) | 1,1-DCE(.5) | ND | 1,1-DCA (0.6) | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | 33.8 | <5 | <5 | <5 | 44.8 | <5 | <5 | 15 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | 4.5 | 1.1 | 1.6 | 10.1 | 6.4 | 10.7 | 5.7 | 54.5 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | 1.3 | 1.1 | <1 | <1 | <1 | 1.7 | 1.1 | 3 | |
| COBALT | 7.7 | <1 | <1 | <1 | <1 | 1.9 | 1.4 | <1 | |
| COPPER | 13.7 | 59.4 | 6.5 | 9.8 | 12.6 | 33.1 | 17.1 | 47.3 | |
| IRON (mg/l) | 0.95 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| LEAD | <1 | <1 | <1 | 1.8 | 2.2 | 3.9 | <1 | 1 | |
| MANGANESE | 9.6 | <1 | <1 | <1 | 5.1 | 2 | 1.4 | 9.4 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | 7.6 | 1.2 | <1 | 1 | 2.2 | 3.5 | 3.5 | 1.5 | |
| SELENIUM | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 9.5 | 4.8 | 4 | 6.4 | 7.3 | 14.8 | 4.3 | 8.5 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| VANADIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ZINC | <50 | <50 | <50 | <50 | 109 | <50 | <50 | <50 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | |
| CHLORIDE | 23 | 7 | 5 | 9 | 9 | 24 | <4 | 12 | |
| CONDUCTIVITY | 117 | 59 | N/A | N/A | N/A | 149 | N/A | N/A | |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | |
| NITRATE | <.2 | <.2 | 0.9 | 5.3 | 4.3 | 5.1 | 2.1 | 4 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | N/A | <0.1 | |
| PH | 5.2 | 5.7 | N/A | N/A | 5.7 | 5.5 | N/A | N/A | |
| SULFATE | 12 | <4 | <4 | <4 | <4 | 6 | <4 | 8 | |
| PERCHLORATE (ug/l) | <2 | <2 | <2 | 5 | 2 | <2 | 2 | <2 | |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA | |
|---|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Locust Valley WD | LI Water Corp. | LI Water Corp. | LI Water Corp. | LI Water Corp. | Man-Lakeville | Man-Lakeville | Man-Lakeville | |
| WELL NO. | N-118 | N-1346 | N-4393 | N-7548 | N-5145 | N-3523 | N-7747 | N-12801 | |
| SAMPLE DATE | 8/21/2001 | 8/21/2001 | 10/31/2001 | 10/31/2001 | 10/31/2001 | 8/14/2001 | 8/14/2001 | 11/14/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| N/A | N/A | N/A | N/A | N/A | N/A | 1,1-DCA (3) | N/A | N/A | |
| N/A | N/A | N/A | N/A | N/A | N/A | 1,1,1-TCA (2) | N/A | N/A | |
| N/A | N/A | N/A | N/A | N/A | N/A | TCE (0.7) | N/A | N/A | |
| VOLATILE | N/A | TCE (1) | N/A | N/A | N/A | PCE (2) | N/A | N/A | |
| ORGANICS (ug/l) | ND | PCE (10) | ND | ND | ND | cis-1,2-DCE (2) | ND | ND | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | <5 | 6 | <5 | 6.1 | <5 | <5 | 5.5 | <5 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | 28.8 | 10.2 | 1.1 | 2.3 | 2.9 | 27.2 | 7.5 | 2 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | 1.4 | 1.4 | <1 | <1 | 1.3 | 8 | 2.1 | <1 | |
| COBALT | <1 | 1.7 | <1 | 1.2 | 3.4 | <1 | <1 | <1 | |
| COPPER | 10 | 6 | 10 | 28.2 | 3.4 | 8 | 4.9 | 4.9 | |
| IRON (mg/l) | <0.1 | 4.19 | <0.1 | 1.24 | 1.12 | <0.1 | <0.1 | <0.1 | |
| LEAD | <1 | <1 | <1 | <1 | <1 | <1 | 1.4 | 1.6 | |
| MANGANESE | 3.5 | 142 | 4 | 48 | 31.6 | <1 | 1 | 1.5 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | 1.1 | 2.4 | <1 | 1.7 | 3.2 | 3.6 | 1.9 | 4.6 | |
| SELENIUM | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 5.6 | 7.9 | 3.5 | 6.8 | 9.5 | 14.4 | 6.3 | 2.8 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | <1 | <1 | <1 | 1.2 | <1 | <1 | <1 | |
| VANADIUM | <1 | <1 | <1 | <1 | <1 | 1.5 | 1 | <1 | |
| ZINC | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | 0.06 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | N/A | N/A | <0.2 | |
| CHLORIDE | 8 | 16 | 5 | 9 | 11 | N/A | N/A | 3 | |
| CONDUCTIVITY | N/A | N/A | 45 | 134 | 189 | N/A | N/A | 44 | |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 | N/A | N/A | <.2 | |
| NITRATE | 2.1 | <0.2 | <0.2 | <0.2 | <0.2 | 9.8 | N/A | <0.2 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | N/A | <0.1 | <0.1 | |
| PH | N/A | N/A | 5.7 | 5.8 | 5.7 | N/A | N/A | 6.1 | |
| SULFATE | 5 | 13 | 7 | 36 | 59 | N/A | N/A | 6 | |
| PERCHLORATE (ug/l) | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA | |
|---|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Massapequa WD | Massapequa WD | NY Water Serv. | NY Water Serv. | NY Water Serv. | Oyster Bay WD | Port Wash WD | Port Wash WD | |
| WELL NO. | N-6867 | N-6866 | N-10195 | N-9514 | N-3895 | N-585 | N-1715 | N-6087 | |
| SAMPLE DATE | 11/30/2001 | 11/30/2001 | 1/9/2002 | 1/9/2002 | 1/9/2002 | 9/10/2001 | 7/17/2001 | 7/17/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ORGANICS (ug/l) | ND | ND | ND | ND | ND | ND | ND | MTBE (4) | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | 25.7 | 10.4 | 33.8 | 35.7 | 9.3 | <5 | <5 | 11.5 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | <1 | <1 | 2.3 | <1 | <1 | 6.6 | 12.3 | 29.7 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | 1.1 | 1.2 | <1 | <1 | <1 | 1.4 | 1.2 | 2.3 | |
| COBALT | 1.3 | <1 | 2.2 | 2.1 | <1 | <1 | <1 | <1 | |
| COPPER | 18.7 | 16.9 | 7.3 | 30.1 | 2 | 32.8 | 3.1 | 3 | |
| IRON (mg/l) | 0.31 | 0.51 | 0.9 | 0.23 | 0.28 | <0.1 | <0.1 | <0.1 | |
| LEAD | 1.4 | 7 | 4.2 | <1 | <1 | 1.1 | <1 | <1 | |
| MANGANESE | 5.5 | 4.6 | 6.1 | 5.4 | 1.9 | <1 | <1 | <1 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | 2.2 | <1 | 2.3 | 1.8 | <1 | <1 | 1 | 2.1 | |
| SELENIUM | <2 | <2 | <2 | <2 | <2 | <2 | 2.5 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 2.4 | 2.2 | 4.9 | 3.2 | 2.8 | 5.3 | 4.9 | 19.1 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | 1 | |
| VANADIUM | <1 | <1 | <1 | <1 | <1 | <1 | 1 | <1 | |
| ZINC | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.02 | <0.02 | <0.2 | |
| CHLORIDE | 4 | <2 | 6 | 3 | 9 | 7 | 7 | 37 | |
| CONDUCTIVITY | 41 | 23 | 49 | 30 | 25 | N/A | N/A | 330 | |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | |
| NITRATE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | 2.7 | 0.8 | 4.3 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| PH | 4.9 | 5.2 | 5.7 | 5.4 | 5.2 | N/A | N/A | 6.5 | |
| SULFATE | 5 | <4 | 5 | <4 | 4 | 10 | 5 | 29 | |
| PERCHLORATE (ug/l) | <2 | N/A | <2 | <2 | <2 | <2 | <2 | <2 | |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA | |
|---|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Port Wash WD | Port Wash WD | Rockville Cen. V | Rockville Cen. V | Roslyn W.D. | Roslyn W.D. | Roslyn W.D. | Roslyn W.D. | |
| WELL NO. | N-7552 | N-7551 | N-8217 | N-8216 | N-7873 | N-8010 | N-8010 | N-1870 | |
| SAMPLE DATE | 7/17/2001 | 11/14/2001 | 7/23/2001 | 7/23/2001 | 8/14/2001 | 8/14/2001 | 11/14/2001 | 11/14/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | EDB (0.07) | EDB (0.07) | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| N/A | 1,1,1-TCA (5) | N/A | N/A | N/A | N/A | 1,1-DCA (2) | N/A | N/A | |
| N/A | TCE (3) | N/A | N/A | N/A | N/A | 111-TCA (.8) | 1,1-DCA (2) | N/A | |
| VOLATILE | PCE (41) | N/A | N/A | N/A | N/A | TCE (0.6) | 111TCA(.8) | N/A | |
| ORGANICS (ug/l) | 1,1-DCE (6) | PCE (2) | ND | Chloroform (1) | ND | PCE (0.5) | TCE (0.5) | PCE (1) | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | 10 | <5 | 168 | 187 | 16.8 | <5 | <5 | <5 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | 24.5 | 24.8 | 6.8 | 3.9 | 6.4 | 19 | 17.5 | 2.9 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | 2.3 | 2.4 | 3.5 | 1.6 | 1.2 | 3 | 2 | 1.2 | |
| COBALT | <1 | <1 | 5.2 | 3.1 | <1 | <1 | <1 | <1 | |
| COPPER | 7.9 | 5.1 | 25.1 | 21.2 | 215 | 17.5 | 23.3 | 3.94 | |
| IRON (mg/l) | <0.1 | <0.1 | 1.38 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| LEAD | <1 | <1 | <1 | 1 | 1.5 | 2.2 | 2.2 | 1.6 | |
| MANGANESE | 1.5 | <1 | 28.7 | 21.4 | 3.1 | <1 | <1 | 1.8 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | 2.4 | 2.2 | 13.2 | 3.7 | 1 | 1.8 | 1.2 | 9.5 | |
| SELENIUM | 3.2 | <2 | <2 | <2 | <2 | <2 | 2.5 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 16.5 | 12.5 | 8.6 | 5.1 | 3.3 | 21.1 | 21.4 | 6.8 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | 1 | |
| VANADIUM | <1 | <1 | 1.6 | <1 | <1 | <1 | 1 | <1 | |
| ZINC | <50 | <50 | <50 | <50 | 71.2 | 80.2 | 77 | <50 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | N/A | <0.02 | <0.2 | |
| CHLORIDE | 37 | 36 | 16 | 8 | 5 | N/A | 42 | 8 | |
| CONDUCTIVITY | 268 | 231 | 93 | 67 | N/A | N/A | 272 | 85 | |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 | N/A | <.2 | <.2 | |
| NITRATE | 6.0 | 3.9 | <0.2 | <0.2 | 1.4 | 5.9 | 6.0 | 3.7 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | N/A | <0.1 | <0.1 | |
| PH | 6.2 | 6.1 | 4.8 | 5.2 | N/A | N/A | 5.9 | 6.0 | |
| SULFATE | 19 | 15 | 12 | 12 | <4 | N/A | 19 | <4 | |
| PERCHLORATE (ug/l) | <2 | <2 | <2 | <2 | <2 | 2 | <2 | <2 | |
| WATER SYSTEM | Sands Point V | Sands Point V | Sands Point V | Sands Point V | Sands Point V | So.Farm WD | So.Farm WD | Town of Hemp. | |
| WELL NO. | N-9446 | N-37 | N-12639 | N-7157 | N-4389 | N-7516 | N-7515 | N-7957 | |
| SAMPLE DATE | 8/1/2001 | 8/1/2001 | 8/1/2001 | 8/1/2001 | 8/1/2001 | 12/17/2001 | 12/17/2001 | 8/21/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | 7 | 10 | ND | ND | ND | ND | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | DCDFM (2) | |
| N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | TCE (10) | |
| N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | PCE (5) | |
| VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | cis-12-DCE(4) | |
| ORGANICS (ug/l) | ND | ND | MTBE (0.5) | MTBE (2) | MTBE (0.8) | ND | ND | 1,1-DCE (2) | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | <5 | <5 | <5 | <5 | 10.4 | 26 | 332 | <5 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | 29 | 48.2 | 31.4 | 23.6 | 19.7 | 1.1 | 6.2 | 8.1 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | 1.9 | 4.1 | 3.7 | 2.9 | 3.3 | <1 | 1.7 | 1.3 | |
| COBALT | <1 | <1 | <1 | 3.1 | <1 | <1 | 8.1 | <1 | |
| COPPER | <1 | 6 | 4.3 | 15.4 | 20.1 | 14.6 | 26.6 | 7.8 | |
| IRON (mg/l) | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | 0.82 | 1 | <0.1 | |
| LEAD | <1 | <1 | <1 | <1 | <1 | 3.9 | <1 | <1 | |
| MANGANESE | 316 | 9.9 | 45.2 | 21.7 | 43 | 8.3 | 26.5 | 3.4 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | 1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | <1 | 10.4 | 7.6 | 3.4 | 3.4 | 1.2 | 6.7 | 3.7 | |
| SELENIUM | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 6.5 | 17.4 | 12.4 | 6.9 | 9.1 | 2.1 | 6.8 | 7.5 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | 1 | |
| VANADIUM | <1 | <1 | <1 | 1 | 1 | <1 | <1 | <1 | |
| ZINC | <50 | <50 | <50 | <50 | <50 | <50 | <50 | <50 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | |
| CHLORIDE | 5 | 36 | 23 | 9 | 11 | 10 | 3 | 9 | |
| CONDUCTIVITY | N/A | N/A | N/A | N/A | N/A | 79 | 24 | N/A | |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | <.2 | |
| NITRATE | 6.0 | 3.9 | <0.2 | <0.2 | 1.4 | 5.9 | 6.0 | 3.7 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| PH | N/A | N/A | N/A | N/A | N/A | 4.4 | 5.1 | N/A | |
| SULFATE | 14 | 41 | 42 | 23 | 34 | 13 | 4 | <4 | |
| PERCHLORATE (ug/l) | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA | |
|---|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Town of Hemp | Town of Hemp | W. Nassau WA | W. Nassau WA | W. Nassau WA | W. Nass WA | W.Nassau WA | W.Nassau WA | |
| WELL NO. | N-8956 | N-8957 | N-14 | N-4077 | N-4077 | N-5155 | N-2414 | N-7650 | |
| DEPTH (ft.) | 530 | 584 | 110 | 150 | 150 | 90 | 88 | 440 | |
| AQUIFER | Magothy | Magothy | Glacial | Glacial | Glacial | Glacial | Glacial | Magothy | |
| SAMPLE DATE | 1/9/2002 | 1/9/2002 | 7/9/2001 | 7/9/2001 | 11/30/2001 | 7/9/2001 | 7/9/2001 | 10/2/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | Prometon(.12) | Prometon(.15) | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| N/A | 1,1-DCE (11) | 1,1,1-TCA (2) | N/A | N/A | N/A | N/A | N/A | Vinyl Cl2 (1) | |
| N/A | 1,1,1-TCA(9) | TCE (46) | N/A | N/A | N/A | N/A | N/A | TCE (25) | |
| N/A | Car. Tetra (14) | PCE (7) | N/A | N/A | N/A | N/A | N/A | PCE (5) | |
| VOLATILE | TCE (53) | cis12-DCE (1) | N/A | N/A | N/A | N/A | N/A | cis12-DCE(3) | |
| ORGANICS (ug/l) | PCE (17) | 1,1-DCE (3) | MTBE (1) | MTBE (0.7) | ND | MTBE (0.7) | ND | 1,1-DCA (.8) | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | <5 | <5 | 17.3 | <5 | <5 | <5 | <5 | <5 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | 14 | 3.7 | 81.6 | 20.6 | 62 | 37.5 | 32.4 | 4.4 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | <1 | <1 | 3.9 | 2.7 | 2.4 | 1.9 | 2 | 5.7 | |
| COBALT | <1 | <1 | <1 | 3.1 | <1 | <1 | <1 | <1 | |
| COPPER | 16.2 | 8.4 | 28.4 | 6.1 | 7.8 | 69.9 | 49.6 | 5.7 | |
| IRON (mg/l) | <0.1 | <0.1 | 0.24 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| LEAD | 1.4 | <1 | <1 | <1 | <1 | 3.9 | <1 | <1 | |
| MANGANESE | <1 | <1 | 8.1 | 113 | 1130 | 2 | 2 | 1.6 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | 1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | <1 | <1 | 3.8 | 1.1 | 1.1 | 2.8 | 1.5 | 2.6 | |
| SELENIUM | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 10.6 | 5.7 | 34.1 | 33.3 | 51 | 18 | 12.7 | 17.5 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | <1 | 1.7 | <1 | <1 | <1 | <1 | 1 | |
| VANADIUM | <1 | <1 | <1 | 1 | 1 | <1 | <1 | 1.3 | |
| ZINC | <50 | <50 | 69.2 | <50 | <50 | <50 | <50 | <50 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | <0.02 | <0.02 | 0.28 | 0.51 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | |
| CHLORIDE | 17 | 9 | 63 | 51 | 129 | 30 | 19 | N/A | |
| CONDUCTIVITY | 138 | 63 | 376 | 251 | 429 | 228 | 167 | N/A | |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 | N/A | <.2 | <.2 | |
| NITRATE | 7.4 | 2.4 | 5.7 | <0.2 | <0.2 | 4.9 | 3.5 | 3.7 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| PH | 5.7 | 6.0 | 6.0 | 6.5 | 6.3 | 6.3 | 6.0 | N/A | |
| SULFATE | <4 | <4 | 40 | <4 | 4 | 26 | 22 | N/A | |
| PERCHLORATE (ug/l) | 6 | 2 | <2 | <2 | N/A | <2 | <2 | <2 | |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA | DATA | |
|---|---|---|---|---|---|---|---|---|---|
| WATER SYSTEM | Town of Hemp | Town of Hemp | W. Nassau WA | W. Nassau WA | W. Nassau WA | W. Nass WA | W.Nassau WA | W.Nassau WA | |
| WELL NO. | N-8956 | N-8957 | N-14 | N-4077 | N-4077 | N-5155 | N-2414 | N-7650 | |
| DEPTH (ft.) | 530 | 584 | 110 | 150 | 150 | 90 | 88 | 440 | |
| AQUIFER | Magothy | Magothy | Glacial | Glacial | Glacial | Glacial | Glacial | Magothy | |
| SAMPLE DATE | 1/9/2002 | 1/9/2002 | 7/9/2001 | 7/9/2001 | 11/30/2001 | 7/9/2001 | 7/9/2001 | 10/2/2001 | |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | Prometon(.12) | Prometon(.15) | ND | ND | ND | |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND | ND | |
| N/A | 1,1-DCE (11) | 1,1,1-TCA (2) | N/A | N/A | N/A | N/A | N/A | Vinyl Cl2 (1) | |
| N/A | 1,1,1-TCA(9) | TCE (46) | N/A | N/A | N/A | N/A | N/A | TCE (25) | |
| N/A | Car. Tetra (14) | PCE (7) | N/A | N/A | N/A | N/A | N/A | PCE (5) | |
| VOLATILE | TCE (53) | cis12-DCE (1) | N/A | N/A | N/A | N/A | N/A | cis12-DCE(3) | |
| ORGANICS (ug/l) | PCE (17) | 1,1-DCE (3) | MTBE (1) | MTBE (0.7) | ND | MTBE (0.7) | ND | 1,1-DCA (.8) | |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| ALUMINUM | <5 | <5 | 17.3 | <5 | <5 | <5 | <5 | <5 | |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| BARIUM | 14 | 3.7 | 81.6 | 20.6 | 62 | 37.5 | 32.4 | 4.4 | |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| CHROMIUM | <1 | <1 | 3.9 | 2.7 | 2.4 | 1.9 | 2 | 5.7 | |
| COBALT | <1 | <1 | <1 | 3.1 | <1 | <1 | <1 | <1 | |
| COPPER | 16.2 | 8.4 | 28.4 | 6.1 | 7.8 | 69.9 | 49.6 | 5.7 | |
| IRON (mg/l) | <0.1 | <0.1 | 0.24 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| LEAD | 1.4 | <1 | <1 | <1 | <1 | 3.9 | <1 | <1 | |
| MANGANESE | <1 | <1 | 8.1 | 113 | 1130 | 2 | 2 | 1.6 | |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | |
| MOLYBDENUM | 1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| NICKEL | <1 | <1 | 3.8 | 1.1 | 1.1 | 2.8 | 1.5 | 2.6 | |
| SELENIUM | <2 | <2 | <2 | <2 | <2 | <2 | <2 | <2 | |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 | <5 | |
| SODIUM (mg/l) | 10.6 | 5.7 | 34.1 | 33.3 | 51 | 18 | 12.7 | 17.5 | |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | |
| TITANIUM | <1 | <1 | 1.7 | <1 | <1 | <1 | <1 | 1 | |
| VANADIUM | <1 | <1 | <1 | 1 | 1 | <1 | <1 | 1.3 | |
| ZINC | <50 | <50 | 69.2 | <50 | <50 | <50 | <50 | <50 | |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | |||||
| AMMONIA | <0.02 | <0.02 | <0.02 | 0.28 | 0.51 | <0.02 | <0.02 | <0.02 | |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | |
| CHLORIDE | 17 | 9 | 63 | 51 | 129 | 30 | 19 | N/A | |
| CONDUCTIVITY | 138 | 63 | 376 | 251 | 429 | 228 | 167 | N/A | |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 | N/A | <.2 | <.2 | |
| NITRATE | 7.4 | 2.4 | 5.7 | <0.2 | <0.2 | 4.9 | 3.5 | 3.7 | |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | |
| PH | 5.7 | 6.0 | 6.0 | 6.5 | 6.3 | 6.3 | 6.0 | N/A | |
| SULFATE | <4 | <4 | 40 | <4 | 4 | 26 | 22 | N/A | |
| PERCHLORATE (ug/l) | 6 | 2 | <2 | <2 | N/A | <2 | <2 | <2 | |
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA |
|---|---|---|---|---|---|
| WATER SYSTEM | West. Nassau WA | West Nassua | West Hemp. WD | West Hemp. WD | West Hemp WD. |
| WELL NO. | N-7649 | N-4298 | N-3704 | N-10401 | N-9492 |
| SAMPLE DATE | 10/2/2001 | 11/30/2001 | 10/3/2001 | 10/3/2001 | 10/3/2001 |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | ND | Atrazine (.19) | ND | ND |
| CHLORINATED | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND |
| TCPA (ug/l) | ND | ND | 6 | 7 | ND |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND |
| N/A | TCE (130) | CDFM (1) | N/A | N/A | N/A |
| N/A | PCE (32) | 1,1,1-TCA (1) | N/A | Chloroform(1) | N/A |
| N/A | cis12-DCE(11) | TCE (8) | CDFM (1) | CDBM (1) | N/A |
| VOLATILE | 1,1-DCE (8) | PCE (26) | Chloroform(3) | Bromoform (.5) | N/A |
| ORGANICS (ug/l) | MTBE (0.9) | MTBE (0.5) | PCE (2) | BDCM (1) | ND |
| ALUMINUM | <5 | <5 | 127 | 8.3 | 154 |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 |
| ARSENIC | <2 | <2 | <2 | <2 | <2 |
| BARIUM | 4.2 | 23.7 | 53.4 | 37.4 | 1.3 |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 |
| CADMIUM | <1 | <1 | <1 | <1 | <1 |
| CHROMIUM | 6.1 | 2.5 | 2.9 | 1.6 | 1.9 |
| COBALT | <1 | <1 | 5.6 | 3.4 | 1.9 |
| COPPER | 13.9 | 14.1 | 11.2 | 3.1 | 20.7 |
| IRON (mg/l) | <0.1 | <0.1 | 1.53 | 0.1 | 0.78 |
| LEAD | <1 | <1 | 1.4 | <1 | 2.3 |
| MANGANESE | 2.5 | 1.8 | 86.9 | 17.4 | 24.7 |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 |
| NICKEL | 2 | <1 | 6.7 | 9.9 | 2.8 |
| SELENIUM | <2 | <2 | <2 | <2 | <2 |
| SILVER | <5 | <5 | <5 | <5 | <5 |
| SODIUM (mg/l) | 20.3 | 22 | 13.7 | 18.4 | 4 |
| THALLIUM | <1 | <1 | <1 | <1 | <1 |
| THORIUM | <1 | <1 | <1 | <1 | <1 |
| TITANIUM | <1 | <1 | 3.3 | 1.7 | 4.3 |
| VANADIUM | 1.4 | <1 | 1.1 | <1 | <1 |
| ZINC | <50 | <50 | <50 | <50 | <50 |
| INORGANICS (mg/l) | N/A | N/A | |||
| AMMONIA | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 |
| CHLORIDE | N/A | 41 | N/A | N/A | N/A |
| CONDUCTIVITY | N/A | 252 | N/A | N/A | N/A |
| FLUORIDE | <.2 | <.2 | <.2 | <.2 | <.2 |
| NITRATE | N/A | 3.7 | N/A | N/A | N/A |
| NITRITE | <0.02 | <0.02 | N/A | N/A | N/A |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 |
| PH | N/A | 5.9 | N/A | N/A | N/A |
| SULFATE | N/A | 19 | N/AN/A | N/A | N/A |
| PERCHLORATE (ug/l) | N/A | N/A | N/A | N/A | N/A |
APPENDIX H
WATER QUALITY MONITORING PROGRAM TO DETECT PESTICIDE CONTAMINATION
IN GROUNDWATERS OF NASSAU AND SUFFOLK COUNTIES
NASSAU COUNTY GOLF COURSE IRRIGATION WELLS - 2001 DATA SUMMARY
| MEASURABLE ITEM | DATA | DATA | DATA | DATA | DATA | DATA | DATA |
|---|---|---|---|---|---|---|---|
| HEMPSTEAD C.C. | GARDEN CITY C.C. | ROCKVILLE LINKS-1 | ROCKVILLE LINKS-2 | CHERRY VALLEY C.C. | GARDEN CITY G.C.C | ENGINEERS C.C. | |
| WELL NO. | N-7529 | N-7799 | N-8881 | N-6302 | N-6905 | N-6502 | N-7664 |
| DEPTH (ft.) | 62 | 81 | 71 | 61 | 78 | 90 | 80 |
| AQUIFER | Glacial | Glacial | Glacial | Glacial | Glacial | Glacial | Glacial |
| SAMPLE DATE | 7/9/2001 | 7/23/2001 | 8/6/2001 | 8/6/2001 | 8/14/2001 | 8/20/2001 | 9/10/2001 |
| SEMI-VOLATILE | N/A | N/A | N/A | N/A | N/A | Chlorothalanil (0.23) | Metalaxyl |
| PESTICIDES (ug/l) | ND | ND | Metalaxyl (0.21) | Metalaxyl (0.18) | ND | Triadimefon (1.83) | (0.15) |
| CHLORINATED | N/A | Dieldrin | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | (0.16ug/l) | ND | ND | ND | ND | ND |
| EDB/DBCP (ug/l) | ND | ND | ND | ND | ND | ND | ND |
| CARBAMATE | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| PESTICIDES (ug/l) | ND | ND | ND | ND | ND | ND | ND |
| TCPA (ug/l) | ND | ND | ND | ND | ND | ND | 22 |
| HERBICIDE | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| METABOLITES (ug/l) | ND | ND | ND | ND | ND | ND | ND |
| N/A | N/A | N/A | N/A | N/A | N/A | N/A | TCE (1.0 ) |
| VOLATILE | N/A | N/A | N/A | N/A | N/A | N/A | PCE (170) |
| ORGANICS (ug/l) | ND | ND | Toluene (1.0 ) | ND | ND | 1,2-DCA (1.0) | DCE (13) |
| METALS (ug/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| ALUMINUM | 23.3 | 122 | 116 | 94.9 | <5 | <5 | 8.9 |
| ANTIMONY | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| ARSENIC | <2 | <2 | <2 | <2 | <2 | <2 | <2 |
| BARIUM | 87.4 | 52.5 | 59.2 | 58.7 | 69.3 | 60.5 | 47.5 |
| BERYLLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| CADMIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| CHROMIUM | 8 | 5.4 | <1 | <1 | 2.4 | 2.8 | 3.2 |
| COBALT | <1 | 1.9 | <1 | <1 | <1 | <1 | <1 |
| COPPER | 14.9 | 13.1 | 6.9 | 20.8 | 48.2 | 15 | 180 |
| IRON (mg/l) | 0.4 | 6.73 | <0.1 | <0.1 | 0.51 | <0.1 | <0.1 |
| LEAD | 1.6 | 4.2 | <1 | 1.3 | 5.5 | 1.8 | 9.4 |
| MANGANESE | 9.1 | 314 | 88.9 | 87.5 | 5.9 | 127 | 6.5 |
| MERCURY | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 | <0.4 |
| MOLYBDENUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| NICKEL | 2.9 | 7.3 | 2 | 2.1 | 3.2 | 2.5 | 2.8 |
| SELENIUM | <2 | <2 | <2 | <2 | <2 | <2 | <2 |
| SILVER | <5 | <5 | <5 | <5 | <5 | <5 | <5 |
| SODIUM (mg/l) | 35.4 | 22 | 12.8 | 12.8 | 15.3 | 20.9 | 19.2 |
| THALLIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| THORIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| TITANIUM | <1 | 3.1 | <1 | <1 | <1 | <1 | <1 |
| VANADIUM | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| ZINC | 76.5 | <50 | 131 | 73 | <50 | 292 | 91.4 |
| INORGANICS (mg/l) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| AMMONIA | <0.02 | 0.26 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 |
| BROMIDE | <0.2 | <0.2 | <0.2 | <0.2 | 0.8 | <0.2 | <0.2 |
| CHLORIDE | 65 | 41 | 24 | 24 | 23 | 36 | 32 |
| CONDUCTIVITY | 371 | 239 | N/A | N/A | N/A | N/A | N/A |
| FLUORIDE | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 | <0.2 |
| NITRATE | 6.1 | 3.2 | 3.3 | 3.3 | 5.3 | 3.5 | 8.0 |
| NITRITE | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 |
| O - PHOSPHATE | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 |
| PH | 6.1 | 6.3 | N/A | N/A | N/A | N/A | N/A |
| SULFATE | 32 | 20 | 34 | 34 | 23 | 33 | 30 |
| PERCHLORATE (ug/l) | <2 | <2 | <2 | <2 | <2 | <2 | <2 |