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EWG's Tap Water Database — 2021 UPDATE

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Quinoline

Status: No national drinking water standard exists

 

Quinoline is an industrial chemical used to manufacture other products, including dyes. Exposure to quinoline may harm the liver, and it is classified as a possible human carcinogen.

2018-2021:

FOUND

26

states detected

172

utilities detected

6.2 million

people served

States reporting quinoline in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California101,287,674
Florida61,190,411
Nebraska8560,055
North Carolina10478,920
Texas22448,719
Illinois18440,691
Iowa42438,000
Louisiana8355,831
Massachusetts10241,889
Colorado395,284
Arizona291,667
Utah272,992
Oklahoma872,476
South Carolina362,941
Alabama354,339
New York240,360
Washington238,414
Kentucky135,714
Oregon329,945
Mississippi126,000
Virginia125,862
New Hampshire116,000
District Of Columbia115,690
Indiana215,500
West Virginia114,488
New Jersey112,153
Missouri11,368
MORE
LESS

Utilities with the highest amounts of quinoline, 2018-2021

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Naval Station Washington - WNYWashington Navy Yard, DC2 of 40.185 ppb15,690
San Francisco City Water System*Burlingame, CA9 of 230.0920 ppb800,000
Treasure IslandBurlingame, CA9 of 230.0920 ppb2,400
Urbandale Water UtilityUrbandale, IA1 of 40.0750 ppb39,463
Pleasant Valley Mobile Home ParkPleasant Hill, IA2 of 120.0650 ppb348
Sunny Brook Mobile Home ParkNewton, IA2 of 120.0650 ppb356
Hickory Hollow Water Service Inc.Ankeny, IA2 of 120.0650 ppb235
Oakwood Park Water Inc.Ankeny, IA2 of 120.0650 ppb201
Waukee Water Supply*Waukee, IA2 of 120.0650 ppb13,790
Bondurant Muni Water SupplyBondurant, IA2 of 120.0650 ppb3,860
Clive Water DepartmentClive, IA2 of 120.0650 ppb15,447
Des Moines Water Works*Des Moines, IA2 of 120.0650 ppb233,020
Southridge EstateNewton, IA2 of 120.0650 ppb648
Ewing Trace Mobile Home CommunityNewton, IA2 of 120.0650 ppb455
Stover Heights Mobile Home ParkDes Moines, IA2 of 120.0650 ppb393
Cumming Water Treatment PlantDes Moines, IA2 of 120.0650 ppb351
Southeast Polk Rural Water DistrictDes Moines, IA2 of 120.0650 ppb6,050
Norwalk Water SupplyNorwalk, IA2 of 120.0650 ppb8,941
Norwalk Wilshire Mobile Home ParkHartford, IA2 of 120.0650 ppb216
City of Loveland*Loveland, CO3 of 80.0618 ppb75,840
North City Water DistrictShoreline, WA3 of 40.0613 ppb25,476
City of Archdale*Archdale, NC1 of 10.0500 ppb12,700
Piedmont Triad Regional*Randleman, NC1 of 10.0500 ppb367,681
Needham Water Department (MWRA)Needham, MA2 of 60.0342 ppb32,485
Johnston Municipal Water SupplyJohnston, IA1 of 80.0238 ppb17,306
Zachary Water SystemZachary, LA4 of 100.0209 ppb23,469
UNH/Durham Water SysDurham, NH1 of 60.0208 ppb16,000
City of EvansEvans, CO3 of 40.0206 ppb19,369
Marblehead Water Department (MWRA)Marblehead, MA3 of 40.0191 ppb19,432
Saint Marys Water CorporationSaint Marys, IA1 of 40.0180 ppb127
Dmww-greenbrier EstatesDes Moines, IA1 of 40.0180 ppb300
New Virginia Water SupplyNew Virginia, IA1 of 40.0180 ppb489
Truro WaterworksTruro, IA1 of 40.0180 ppb485
Milo Public Water SupplyMilo, IA1 of 40.0180 ppb775
Norwalk Hartford Mobile Home ParkHartford, IA1 of 40.0180 ppb183
Martensdale Water SupplyMartensdale, IA1 of 40.0180 ppb465
Warren Water District*Indianola, IA1 of 40.0180 ppb18,045
River Oaks DevelopmentAnkeny, IA1 of 40.0180 ppb200
Deer Hunters RunAnkeny, IA1 of 40.0180 ppb58
Earlham Municipal WaterworksEarlham, IA1 of 40.0180 ppb1,450
Norwood Water Department (MWRA)Norwood, MA2 of 40.0145 ppb26,789
Payne County Rw Corporation #3Stillwater, OK1 of 40.0133 ppb3,000
Stillwater Water Plant*Stillwater, OK1 of 40.0133 ppb53,000
City of Menlo ParkMenlo Park, CA2 of 40.0130 ppb14,139
TroyTroy, IL1 of 20.0120 ppb16,800
Stoughton Water Department (MWRA)*Stoughton, MA1 of 60.0117 ppb26,962
Diagonal Water DepartmentDiagonal, IA1 of 30.0113 ppb330
Kellerton Water SupplyKellerton, IA1 of 30.0113 ppb315
Mount Ayr Water Treatment PlantMount Ayr, IA1 of 30.0113 ppb1,691
SIRWA #2 (Creston)*Creston, IA1 of 30.0113 ppb18,510

* 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 Quinoline, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Naval Station Washington - WNYWashington Navy Yard, DC2 of 40.185 ppb15,690
San Francisco City Water System*Burlingame, CA9 of 230.0920 ppb800,000
Urbandale Water UtilityUrbandale, IA1 of 40.0750 ppb39,463
Des Moines Water Works*Des Moines, IA2 of 120.0650 ppb233,020
Clive Water DepartmentClive, IA2 of 120.0650 ppb15,447
Waukee Water Supply*Waukee, IA2 of 120.0650 ppb13,790
City of Loveland*Loveland, CO3 of 80.0618 ppb75,840
North City Water DistrictShoreline, WA3 of 40.0613 ppb25,476
Piedmont Triad Regional*Randleman, NC1 of 10.0500 ppb367,681
City of Archdale*Archdale, NC1 of 10.0500 ppb12,700
Needham Water Department (MWRA)Needham, MA2 of 60.0342 ppb32,485
Johnston Municipal Water SupplyJohnston, IA1 of 80.0238 ppb17,306
Zachary Water SystemZachary, LA4 of 100.0209 ppb23,469
UNH/Durham Water SysDurham, NH1 of 60.0208 ppb16,000
City of EvansEvans, CO3 of 40.0206 ppb19,369
Marblehead Water Department (MWRA)Marblehead, MA3 of 40.0191 ppb19,432
Warren Water District*Indianola, IA1 of 40.0180 ppb18,045
Norwood Water Department (MWRA)Norwood, MA2 of 40.0145 ppb26,789
Stillwater Water Plant*Stillwater, OK1 of 40.0133 ppb53,000
City of Menlo ParkMenlo Park, CA2 of 40.0130 ppb14,139
TroyTroy, IL1 of 20.0120 ppb16,800
Stoughton Water Department (MWRA)*Stoughton, MA1 of 60.0117 ppb26,962
SIRWA #2 (Creston)*Creston, IA1 of 30.0113 ppb18,510
SchaumburgSchaumburg, IL1 of 30.0107 ppb74,550
Charles Town UtilitiesKearneysville, WV1 of 40.0105 ppb14,488
Forest ParkForest Park, IL3 of 80.00925 ppb13,982
Cleveland County Water*Lawndale, NC1 of 40.00893 ppb52,116
Sunny Slope Water CompanyPasadena, CA1 of 40.00875 ppb32,427
Thibodaux WaterworksThibodaux, LA1 of 40.00800 ppb15,810
North Liberty Water SupplyNorth Liberty, IA1 of 40.00800 ppb13,386
Peabody Water Department (MWRA)Peabody, MA3 of 120.00757 ppb52,474
West Slope Water DistrictPortland, OR1 of 40.00750 ppb10,400
Connersville Utilities*Connersville, IN1 of 40.00725 ppb15,000
Concord Water DepartmentConcord, MA1 of 120.00714 ppb16,402
Swampscott Water Department (MWRA)Swampscott, MA1 of 40.00705 ppb13,787
City of La GrandeLa Grande, OR1 of 100.00655 ppb13,245
Burlington Municipal Waterworks*Burlington, IA1 of 40.00650 ppb25,619
City of MillbraeMillbrae, CA1 of 40.00650 ppb21,500
Epcor Water - Agua Fria*Youngtown, AZ7 of 300.00648 ppb80,959
City of Dunn*Dunn, NC1 of 40.00628 ppb12,334
Walker Water SystemWalker, LA1 of 80.00624 ppb13,530
City of ThomasvilleThomasville, NC1 of 40.00605 ppb25,872
Rogers County RWD # 3 Cot Sta*Claremore, OK1 of 40.00600 ppb10,750
Oak ParkOak Park, IL1 of 40.00600 ppb51,878
Orland Park*Orland Park, IL1 of 40.00575 ppb58,862
City of Wichita Falls*Wichita Falls, TX2 of 80.00563 ppb104,553
Sheppard Air Force BaseSheppard Afb, TX2 of 80.00563 ppb19,500
City of Palo AltoPalo Alto, CA1 of 40.00550 ppb62,000
River GroveRiver Grove, IL1 of 40.00550 ppb10,093
Hickory HillsHickory Hills, IL1 of 40.00550 ppb14,049

* 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 Quinoline, but it likely has the contaminant in its water supply.