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CONTAMINANT

Alpha-hexachlorocyclohexane

STATES DETECTED

16

serves

1.2 million

utilities detected

38

Overview

Alpha-HCH is a byproduct of the production of the insecticide lindane, which is no longer used in the U.S. The International Agency for Research on Cancer has classified all forms of this chemical as possibly carcinogenic to humans.

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Alpha-hexachlorocyclohexane from your water?

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Alpha-hexachlorocyclohexane around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
Georgia3190,538
California1155,567
Florida2134,991
Massachusetts4125,966
New York4109,617
Kentucky3100,167
Texas799,658
New Jersey380,320
Colorado159,781
Washington158,497
Virginia219,650
South Carolina116,971
Mississippi315,600
North Carolina115,463
Wisconsin115,365
Indiana111,637

Utilities with the highest amounts of alpha-hexachlorocyclohexane, 2018-2021

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Paducah Water WorksPaducah, KY1 of 40.0168 ppb65,004
Green Acres W/a-southMarks, MS1 of 10.0120 ppb351
Golden Triangle W/a #2West Point, MS1 of 20.0110 ppb187
City of West Point*West Point, MS1 of 20.0110 ppb15,062
City of CleburneCleburne, TX1 of 40.00775 ppb30,573
Riverside Water DistrictHauppauge, NY1 of 230.00696 ppb2,050
Riverhead WD*Riverhead, NY1 of 230.00696 ppb35,000
El Paso County Water Control and Improvement District 4 FabensFabens, TX1 of 20.00550 ppb8,257
Rowan Water Inc*Morehead, KY1 of 40.00445 ppb18,765
Bellevue WaterworksGreen Bay, WI1 of 40.00400 ppb15,365
Country Club Water Supply CorporationMabank, TX1 of 40.00350 ppb924
City of Mabank*Mabank, TX1 of 40.00350 ppb11,349
Yorktown Consoldated Water District #1*Yorktown Heights, NY1 of 60.00317 ppb68,719
Somers Consolidated Water District #1Somers, NY1 of 60.00317 ppb3,848
LCF Water DistrictChesnee, SC1 of 40.00275 ppb16,971
Borden Tri-County Region*Borden, IN1 of 60.00267 ppb11,637
East Newark Water DepartmentEast Newark, NJ1 of 40.00250 ppb2,406
Kearny Water Department*Kearny, NJ1 of 40.00250 ppb41,664
Palm Coast Utility*Palm Coast, FL1 of 60.00200 ppb96,025
Buena Vista Bethel Special Utility DistrictWaxahachie, TX1 of 80.00188 ppb5,193
Nash Forreston Water Supply CorporationForreston, TX1 of 80.00188 ppb2,277
City of Waxahachie*Waxahachie, TX1 of 80.00188 ppb41,085
Allen County Water District*Scottsville, KY1 of 60.00173 ppb16,398
Brockton Water Commission*Brockton, MA1 of 80.00163 ppb93,810
City of EustisEustis, FL1 of 80.00163 ppb38,966
Whitman Water SystemWhitman, MA1 of 80.00163 ppb14,574
Hanson Water DepartmentHanson, MA1 of 80.00163 ppb9,953
Halifax Water DepartmentHalifax, MA1 of 80.00163 ppb7,629
Quantico Marine Base-Mainside*Quantico, VA1 of 80.00138 ppb19,000
Quantico, Town OfQuantico, VA1 of 80.00138 ppb650
HamptonHampton, GA1 of 120.00125 ppb7,305
Henry County Water & Sewer Authority*Jackson, GA1 of 120.00125 ppb176,038
StockbridgeStockbridge, GA1 of 120.00125 ppb7,195
Parker WSD*Parker, CO1 of 180.00122 ppb59,781
JBLM LewisJoint Base Lewis-mcchord, WA1 of 140.00107 ppb58,497
City of SunnyvaleSunnyvale, CA1 of 200.000800 ppb155,567
Vineland Water & Sewer UtilityVineland, NJ1 of 210.000476 ppb36,250
Cliffdale WestDenver, NC1 of 560.000196 ppb15,463

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Alpha-hexachlorocyclohexane, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Paducah Water WorksPaducah, KY1 of 40.0168 ppb65,004
City of West Point*West Point, MS1 of 20.0110 ppb15,062
City of CleburneCleburne, TX1 of 40.00775 ppb30,573
Riverhead WD*Riverhead, NY1 of 230.00696 ppb35,000
Rowan Water Inc*Morehead, KY1 of 40.00445 ppb18,765
Bellevue WaterworksGreen Bay, WI1 of 40.00400 ppb15,365
City of Mabank*Mabank, TX1 of 40.00350 ppb11,349
Yorktown Consoldated Water District #1*Yorktown Heights, NY1 of 60.00317 ppb68,719
LCF Water DistrictChesnee, SC1 of 40.00275 ppb16,971
Borden Tri-County Region*Borden, IN1 of 60.00267 ppb11,637
Kearny Water Department*Kearny, NJ1 of 40.00250 ppb41,664
Palm Coast Utility*Palm Coast, FL1 of 60.00200 ppb96,025
City of Waxahachie*Waxahachie, TX1 of 80.00188 ppb41,085
Allen County Water District*Scottsville, KY1 of 60.00173 ppb16,398
Brockton Water Commission*Brockton, MA1 of 80.00163 ppb93,810
Whitman Water SystemWhitman, MA1 of 80.00163 ppb14,574
City of EustisEustis, FL1 of 80.00163 ppb38,966
Quantico Marine Base-Mainside*Quantico, VA1 of 80.00138 ppb19,000
Henry County Water & Sewer Authority*Jackson, GA1 of 120.00125 ppb176,038
Parker WSD*Parker, CO1 of 180.00122 ppb59,781
JBLM LewisJoint Base Lewis-mcchord, WA1 of 140.00107 ppb58,497
City of SunnyvaleSunnyvale, CA1 of 200.000800 ppb155,567
Vineland Water & Sewer UtilityVineland, NJ1 of 210.000476 ppb36,250
Cliffdale WestDenver, NC1 of 560.000196 ppb15,463

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Alpha-hexachlorocyclohexane, but it likely has the contaminant in its water supply.

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