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CONTAMINANT

o-toluidine

STATES DETECTED

25

serves

13 million

utilities detected

205

Overview

The synthetic chemical o-toluidine is used to manufacture pesticides, dyes and other industrial chemicals. The International Agency for Research on Cancer has classified o-toluidine as carcinogenic to humans, and it may also harm the nervous system, kidneys and bladder.

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o-toluidine from your water?

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o-toluidine around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
California134,556,498
Texas602,935,647
Arizona81,283,012
Iowa49793,560
New Mexico3660,006
Nevada2459,000
Utah10423,955
Tennessee5347,230
Illinois19273,735
Michigan1192,992
Missouri3144,263
Massachusetts398,548
Kentucky793,391
New Jersey585,954
Idaho169,450
Oklahoma155,083
Washington254,469
New York239,125
Alabama233,330
Georgia329,368
Mississippi127,115
South Dakota226,665
Indiana120,120
District Of Columbia115,690
North Carolina115,215

Utilities with the highest amounts of o-toluidine , 2018-2021

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Naval Station Washington - WNYWashington Navy Yard, DC2 of 40.0550 ppb15,690
WentzvilleWentzville, MO2 of 40.0400 ppb41,784
Cape May Point Borough WaterCape May Point, NJ1 of 40.0298 ppb4,000
Cape May Water & Sewer*Cape May, NJ1 of 40.0298 ppb35,000
West Cape May Water DepartmentWest Cape May, NJ1 of 40.0298 ppb4,600
Northeast Knox U D*Corryton, TN3 of 40.0133 ppb25,558
Bountiful City Water SystemBountiful, UT1 of 120.0125 ppb37,500
U.s. Coast Guard Training CenterPetaluma, CA2 of 140.01000 ppb469
City of Petaluma*Petaluma, CA2 of 140.01000 ppb61,304
Knoxville Utilities Board-KUB*Knoxville, TN2 of 40.00865 ppb242,383
YanktonYankton, SD1 of 20.00850 ppb15,411
Roxbury Water Company*Washington, NJ1 of 100.00688 ppb11,793
South Ogden City Water SystemOgden, UT1 of 40.00500 ppb17,000
Hembree WaterCanton, GA1 of 80.00488 ppb257
Canton*Canton, GA1 of 80.00488 ppb16,375
Frontier VillageFort Dodge, IA1 of 20.00460 ppb108
Fort Dodge Water Supply*Fort Dodge, IA1 of 20.00460 ppb25,874
VermillionVermillion, SD1 of 20.00460 ppb11,254
Palace Park MhcMadrid, IA1 of 20.00460 ppb426
Kellerton Water SupplyMount Ayr, IA1 of 30.00433 ppb306
Diagonal Water DepartmentDiagonal, IA1 of 30.00433 ppb344
Lenox Water SupplyLenox, IA1 of 30.00433 ppb1,339
Mount Ayr Water Treatment PlantMount Ayr, IA1 of 30.00433 ppb1,683
SIRWA #2 (Creston)*Creston, IA1 of 30.00433 ppb19,488
Bedford Water WorksBedford, IA1 of 30.00433 ppb1,508
Murray Water WorksMurray, IA1 of 30.00433 ppb684
Burlington Municipal Waterworks*Burlington, IA1 of 40.00425 ppb26,015
West Burlington Muni. Water Supply*West Burlington, IA1 of 40.00425 ppb3,728
Graves Co. Water District - ConsumersMayfield, KY1 of 20.00397 ppb5,016
Graves Co. Water District - HardemanMayfield, KY1 of 20.00397 ppb1,006
Mayfield Electric & Water*Mayfield, KY1 of 20.00397 ppb12,379
City of GilroyGilroy, CA1 of 180.00394 ppb58,108
Clive Water DepartmentClive, IA1 of 40.00375 ppb18,601
Chandler Water Works DepartmentChandler, IN1 of 20.00375 ppb20,120
Sun Valley GidSun Valley, NV2 of 1240.00357 ppb17,000
Truckee Meadows Water Authority*Reno, NV2 of 1240.00357 ppb442,000
Draper City Water SystemWest Jordan, UT1 of 40.00350 ppb20,024
City of SachseSachse, TX1 of 80.00325 ppb29,042
MooreMoore, OK2 of 580.00324 ppb55,083
City of Mercer IslandMercer Island, WA1 of 30.00303 ppb25,748
Cedar City WaterworksCedar City, UT1 of 60.00300 ppb37,760
City of KermanKerman, CA1 of 120.00300 ppb16,995
SummitSummit, IL1 of 40.00300 ppb10,875
Pembroke Water Division DpwPembroke, MA2 of 80.00281 ppb19,189
Justice-Willow Springs Water Commssion*Justice, IL1 of 30.00277 ppb18,457
Sterling Estates Mobile Home ParkFarmington Hills, IL1 of 30.00277 ppb1,954
Hickory HillsHickory Hills, IL1 of 30.00277 ppb14,049
South ElginSouth Elgin, IL3 of 160.00263 ppb22,549
First U D of Hawkins Company*Church Hill, TN1 of 80.00263 ppb20,294
Vestal Consolidated WD #1Vestal, NY1 of 100.00247 ppb20,950

* 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 o-toluidine , but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Naval Station Washington - WNYWashington Navy Yard, DC2 of 40.0550 ppb15,690
WentzvilleWentzville, MO2 of 40.0400 ppb41,784
Cape May Water & Sewer*Cape May, NJ1 of 40.0298 ppb35,000
Northeast Knox U D*Corryton, TN3 of 40.0133 ppb25,558
Bountiful City Water SystemBountiful, UT1 of 120.0125 ppb37,500
City of Petaluma*Petaluma, CA2 of 140.01000 ppb61,304
Knoxville Utilities Board-KUB*Knoxville, TN2 of 40.00865 ppb242,383
YanktonYankton, SD1 of 20.00850 ppb15,411
Roxbury Water Company*Washington, NJ1 of 100.00688 ppb11,793
South Ogden City Water SystemOgden, UT1 of 40.00500 ppb17,000
Canton*Canton, GA1 of 80.00488 ppb16,375
Fort Dodge Water Supply*Fort Dodge, IA1 of 20.00460 ppb25,874
VermillionVermillion, SD1 of 20.00460 ppb11,254
SIRWA #2 (Creston)*Creston, IA1 of 30.00433 ppb19,488
Burlington Municipal Waterworks*Burlington, IA1 of 40.00425 ppb26,015
Mayfield Electric & Water*Mayfield, KY1 of 20.00397 ppb12,379
City of GilroyGilroy, CA1 of 180.00394 ppb58,108
Chandler Water Works DepartmentChandler, IN1 of 20.00375 ppb20,120
Clive Water DepartmentClive, IA1 of 40.00375 ppb18,601
Truckee Meadows Water Authority*Reno, NV2 of 1240.00357 ppb442,000
Sun Valley GidSun Valley, NV2 of 1240.00357 ppb17,000
Draper City Water SystemWest Jordan, UT1 of 40.00350 ppb20,024
City of SachseSachse, TX1 of 80.00325 ppb29,042
MooreMoore, OK2 of 580.00324 ppb55,083
City of Mercer IslandMercer Island, WA1 of 30.00303 ppb25,748
City of KermanKerman, CA1 of 120.00300 ppb16,995
Cedar City WaterworksCedar City, UT1 of 60.00300 ppb37,760
SummitSummit, IL1 of 40.00300 ppb10,875
Pembroke Water Division DpwPembroke, MA2 of 80.00281 ppb19,189
Justice-Willow Springs Water Commssion*Justice, IL1 of 30.00277 ppb18,457
Hickory HillsHickory Hills, IL1 of 30.00277 ppb14,049
First U D of Hawkins Company*Church Hill, TN1 of 80.00263 ppb20,294
South ElginSouth Elgin, IL3 of 160.00263 ppb22,549
Vestal Consolidated WD #1Vestal, NY1 of 100.00247 ppb20,950
Wallkill Consolidated WDMiddletown, NY1 of 100.00240 ppb18,175
Urbandale Water Utility*Urbandale, IA1 of 40.00233 ppb45,600
Frankfort Plant Board*Frankfort, KY1 of 40.00231 ppb52,153
KalamazooKalamazoo, MI2 of 320.00230 ppb192,992
CrestwoodCrestwood, IL1 of 40.00223 ppb10,950
Wellesley Water Division (MWRA)*Wellesley, MA1 of 100.00207 ppb29,100
Flowing Wells Irrigation DistrictTucson, AZ1 of 100.00206 ppb16,000
Rock IslandRock Island, IL1 of 40.00205 ppb39,018
City of MercedMerced, CA3 of 400.00190 ppb92,058
Lake of Egypt PWD*Marion, IL1 of 40.00190 ppb11,368
North Park PWD*Machesney Park, IL2 of 80.00184 ppb35,580
Ogden City Water System*Brigham City, UT1 of 50.00180 ppb82,522
Marion*Marion, IL1 of 40.00178 ppb16,855
California American Water Company - AntelopeSacramento, CA1 of 210.00176 ppb35,204
Johnston Municipal Water SupplyJohnston, IA1 of 80.00175 ppb24,064
Benbrook Water AuthorityBenbrook, TX1 of 200.00170 ppb24,437

* 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 o-toluidine , but it likely has the contaminant in its water supply.

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