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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
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
CHLORINATED                
PESTICIDES (ug/l) ND   ND ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND ND ND ND
CARBAMATE                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND ND ND ND ND ND
HERBICIDE                
METABOLITES (ug/l) ND ND ND ND ND ND ND ND
  1,1,1-TCA (0.6)       1,1,1-TCA (5)      
  TCE (1)       TCE (77)      
VOLATILE PCE (0.9)       Freon (7)     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)              
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)  
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 - - - 429 37 37 -
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 - - - 6.3 4.8 5 -
SULFATE 9 14 17 <4 19 <4 <4 7
PERCHLORATE (ug/l) <2 <2 <2 3 <2 <2 <2 3
24
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
CHLORINATED                
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND 7 5 ND 17 ND
HERBICIDE             Desethyl-  
METABOLITES (ug/l) ND ND ND ND ND ND atrazine-.05 ND
              1,1-DCA(2)  
      1,1,1-TCA (2)       111-TCA(1)  
  1,2-DCP(0.8)   TCE (51)       TCE (1)  
  TCE (78)   PCE (18)       PCE (1)  
VOLATILE PCE (130) TCE (1) cis12-DCE(.6)       cis-DCE(3)  
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)              
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)  
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 - - - 314 305 - - -
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 - - - 6.4 6.5 - - -
SULFATE 28 8 12 39 38 18 26 31
PERCHLORATE (ug/l) <2 <2 <2 <2 <2 <2 <2 3
25
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
CHLORINATED                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND ND ND ND
CARBAMATE                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND ND ND ND ND ND
HERBICIDE                
METABOLITES (ug/l) ND ND ND ND ND ND ND ND
            Chlorodifluoro-    
    TCE (4)     1,1-DCA (0.9) methane(4)    
VOLATILE Chlorodifluoro- PCE (0.6)     TCE (20) 1,1-DCA (2)    
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)              
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)  
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 - - - 149 - -
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 - <0.1
PH 5.2 5.7 - - 5.7 5.5 - -
SULFATE 12 <4 <4 <4 <4 6 <4 8
PERCHLORATE (ug/l) <2 <2 <2 5 2 <2 2 <2
26
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
CHLORINATED                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND ND ND ND
CARBAMATE                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND ND ND ND ND ND
HERBICIDE                
METABOLITES (ug/l) ND ND ND ND ND ND ND ND
            1,1-DCA (3)    
            1,1,1-TCA (2)    
            TCE (0.7)    
VOLATILE   TCE (1)       PCE (2)    
ORGANICS (ug/l) ND PCE (10) ND ND ND cis-1,2-DCE (2) ND ND
METALS (ug/l)                
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)  
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 - - <0.2
CHLORIDE 8 16 5 9 11 - - 3
CONDUCTIVITY - - 45 134 189 - - 44
FLUORIDE <.2 <.2 <.2 <.2 <.2 - - <.2
NITRATE 2.1 <0.2 <0.2 <0.2 <0.2 9.8 - <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 - <0.1 <0.1
PH - - 5.7 5.8 5.7 - - 6.1
SULFATE 5 13 7 36 59 - - 6
PERCHLORATE (ug/l) <2 <2 <2 <2 <2 <2 <2 <2
27
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
CHLORINATED                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND ND ND ND
CARBAMATE                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND ND ND ND ND ND
HERBICIDE                
METABOLITES (ug/l) ND ND ND ND ND ND ND ND
                 
VOLATILE                
ORGANICS (ug/l) ND ND ND ND ND ND ND MTBE (4)
METALS (ug/l)                
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)  
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 - - 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 - - 6.5
SULFATE 5 <4 5 <4 4 10 5 29
PERCHLORATE (ug/l) <2 - <2 <2 <2 <2 <2 <2
28
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
CHLORINATED                
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND ND ND ND ND ND
HERBICIDE                
METABOLITES (ug/l) ND ND ND ND ND ND ND ND
  1,1,1-TCA (5)         1,1-DCA (2)    
  TCE (3)         111-TCA (.8) 1,1-DCA (2)  
VOLATILE PCE (41)         TCE (0.6) 111TCA(.8)  
ORGANICS (ug/l) 1,1-DCE (6) PCE (2) ND Chloroform (1) ND PCE (0.5) TCE (0.5) PCE (1)
METALS (ug/l)                
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)  
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 <0.2
CHLORIDE 37 36 16 8 5 - 42 8
CONDUCTIVITY 268 231 93 67 - - 272 85
FLUORIDE <.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
PH 6.2 6.1 4.8 5.2 - - 5.9 6.0
SULFATE 19 15 12 12 <4 - 19 <4
PERCHLORATE (ug/l) <2 <2 <2 <2 <2 2 <2 <2
29
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                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
CHLORINATED                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND ND ND ND
CARBAMATE                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND 7 10 ND ND ND ND ND
HERBICIDE                
METABOLITES (ug/l) ND ND ND ND ND ND ND ND
                DCDFM (2)
                TCE (10)
                PCE (5)
VOLATILE               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)              
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)  
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 - - - - - 79 24 -
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 - - - - - 4.4 5.1 -
SULFATE 14 41 42 23 34 13 4 <4
PERCHLORATE (ug/l) <2 <2 <2 <2 <2 <2 <2 <2
30
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                
PESTICIDES (ug/l) ND ND ND Prometon(.12) Prometon(.15) ND ND ND
CHLORINATED                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND ND ND ND
CARBAMATE                
PESTICIDES (ug/l) ND ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND ND ND ND ND ND
HERBICIDE                
METABOLITES (ug/l) ND ND ND ND ND ND ND ND
  1,1-DCE (11) 1,1,1-TCA (2)           Vinyl Cl2 (1)
  1,1,1-TCA(9) TCE (46)           TCE (25)
  Car. Tetra (14) PCE (7)           PCE (5)
VOLATILE TCE (53) cis12-DCE (1)           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)              
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)  
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 -
CONDUCTIVITY 138 63 376 251 429 228 167 -
FLUORIDE <.2 <.2 <.2 <.2 <.2 - <.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 -
SULFATE <4 <4 40 <4 4 26 22 -
PERCHLORATE (ug/l) 6 2 <2 <2 - <2 <2 <2
                 
31
WATER SYSTEM West. Nassau WA West. Nassau WA 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          
PESTICIDES (ug/l) ND ND Atrazine (.19) ND ND
CHLORINATED          
PESTICIDES (ug/l) ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND
CARBAMATE          
PESTICIDES (ug/l) ND ND ND ND ND
TCPA (ug/l) ND ND 6 7 ND
HERBICIDE          
METABOLITES (ug/l) ND ND ND ND ND
  TCE (130) CDFM (1)      
  PCE (32) 1,1,1-TCA (1)   Chloroform(1)  
  cis12-DCE(11) TCE (8) CDFM (1) CDBM (1)  
VOLATILE 1,1-DCE (8) PCE (26) Chloroform(3) Bromoform (.5)  
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)
AMMONIA <0.02 <0.02 <0.02 <0.02 <0.02
BROMIDE <0.2 <0.2 <0.2 <0.2 <0.2
CHLORIDE - 41 - - -
CONDUCTIVITY - 252 - - -
FLUORIDE <.2 <.2 <.2 <.2 <.2
NITRATE - 3.7 - - -
NITRITE <0.02 <0.02 - - -
O - PHOSPHATE <0.1 <0.1 <0.1 <0.1 <0.1
PH - 5.9 - - -
SULFATE - 19 - - -
PERCHLORATE (ug/l) - - - - -
32
 
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
   
  HEMPSTEAD GARDEN CITY ROCKVILLE ROCKVILLE CHERRY GARDEN CITY ENGINEERS
  C.C. C.C. LINKS -1 LINKS -2 VALLEY C.C. G.C. 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
            Chlorothalonil  
SEMI-VOLATILE           (0.23) Metalaxyl
PESTICIDES (ug/l) ND ND Metalaxyl (0.21) Metalaxyl (0.18) ND Triadimefon (1.83) (0.15)
CHLORINATED   Dieldrin          
PESTICIDES (ug/l) ND (0.16ug/l) ND ND ND ND ND
EDB/DBCP (ug/l) ND ND ND ND ND ND ND
CARBAMATE              
PESTICIDES (ug/l) ND ND ND ND ND ND ND
TCPA (ug/l) ND ND ND ND ND ND 22
HERBICIDE              
METABOLITES (ug/l) ND ND ND ND ND ND ND
              TCE (1.0 )
VOLATILE             PCE (170)
ORGANICS (ug/l) ND ND Toluene (1.0 ) ND ND 1,2-DCA (1.0) DCE (13)
METALS (ug/l)              
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)              
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 - - - - -
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 - - - - -
SULFATE 32 20 34 34 23 33 30
PERCHLORATE (ug/l) <2 <2 <2 <2 <2 <2 <2
 
33