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EWG's Tap Water Database — 2019 UPDATE

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Picloram

Status: National drinking water standard exists

 

Picloram is a herbicide that in studies of laboratory animals has been linked with reduced testicular size and damage to the liver and thyroid.

2015-2017:

FOUND
FOUND ABOVE HEALTH GUIDELINES

24

states detected

92

utilities detected

1.8 million

people served

0

states over health guideline

0

utilities over health guideline

0

people served over health guideline

Health concerns for picloram

Harm to the liver

Harm to the kidney

Change to the reproductive system

State and national drinking water standards and health guidelines

EWG Health Guideline 166 ppb

The EWG Health Guideline of 166 ppb for picloram was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change to internal organs.

EPA Maximum Contaminant
Level (MCL) 500 ppb

The legal limit for picloram, established in 1992, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

States reporting picloram in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Florida12773,595
Colorado10481,867
California1190,308
New York3104,806
Texas1745,484
New Mexico139,508
Iowa427,704
Oklahoma623,873
Arkansas513,448
Oregon112,500
Washington510,699
Wisconsin110,619
Alabama19,828
Louisiana49,495
Indiana37,820
Nevada25,700
Pennsylvania13,400
Minnesota32,633
North Dakota41,650
West Virginia11,624
Idaho31,595
Georgia2713
Montana192
North Carolina161
MORE
LESS

Filtering technologies that reduce picloram

carbon filter icon

Activated Carbon

reverse osmosis icon

Reverse Osmosis

Utilities with the highest amounts of picloram, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Timber Creek LLCWarsaw, IN1 of 16.50 ppb110
Merrywood Mobile Home ParkDes Plaines, IN1 of 13.00 ppb210
Juliaetta, City ofJuliaetta, ID3 of 41.70 ppb579
Live Oak WTPLive Oak, FL1 of 41.53 ppb12,340
Emanuel Heights Water SystemTonasket, WA1 of 10.960 ppb60
Lexington*Lexington, GA4 of 80.954 ppb632
Meadow Lakes SubdivisionCrawford, GA4 of 80.954 ppb81
Sunset Bay S/dMooresville, NC3 of 50.636 ppb61
Waterville, Town OfWaterville, WA3 of 40.625 ppb1,145
Villisca Municipal Water DepartmentVillisca, IA1 of 10.600 ppb1,252
Oto Water SupplyOto, IA2 of 30.533 ppb108
Seibert, Town ofSeibert, CO4 of 50.458 ppb193
Red Rock IncorporatedMoscow, ID2 of 30.458 ppb60
SIRWA #2 (Creston)*Creston, IA1 of 20.400 ppb18,510
Creston Water Supply*Creston, IA1 of 20.400 ppb7,834
Royal Oaks ApartmentsFredericksburg, TX2 of 30.367 ppb57
Lignite, City ofLignite, ND3 of 30.309 ppb155
Ely Municipal Water Department*Ely, NV6 of 130.308 ppb5,000
Ruth Water DistrictMcgill, NV6 of 130.308 ppb700
Fischers Garden Mobile Home ParkSauk Rapids, MN2 of 50.306 ppb220
Rockport ColonyPendroy, MT2 of 40.305 ppb92
Mountain LakeMountain Lake, MN1 of 10.300 ppb2,100
Warwick, City ofWarwick, ND3 of 30.291 ppb65
Ratcliff Waterworks*Ratcliff, AR3 of 40.195 ppb1,350
Booneville Waterworks*Booneville, AR3 of 40.195 ppb5,892
Magazine Waterworks*Magazine, AR3 of 40.195 ppb1,038
South Logan County WaterBooneville, AR3 of 40.195 ppb1,540
Lumberport Town OfLumberport, WV2 of 20.192 ppb1,624
Cucamonga Valley Water District*Rancho Cucamonga, CA1 of 80.175 ppb190,308
City of LawnLawn, TX3 of 50.140 ppb780
Maxbass, City ofMaxbass, ND2 of 20.123 ppb84
Deer Park, City OfDeer Park, WA1 of 10.116 ppb3,800
Haxtun, Town ofHaxtun, CO5 of 120.108 ppb952
City of LlanoLlano, TX1 of 30.1000 ppb3,325
HackensackHackensack, MN1 of 20.1000 ppb313
Seelyville Water WorksBrazil, IN1 of 20.1000 ppb7,500
Larimore, City ofLarimore, ND1 of 20.0950 ppb1,346
St John, Town OfSt. John, WA1 of 10.0890 ppb544
Springfield, Town ofSpringfield, CO4 of 100.0810 ppb1,451
Frostproof, City ofFrostproof, FL2 of 60.0767 ppb3,550
Cedar Oak Mesa Water Supply CorporationWimberley, TX1 of 40.0750 ppb609
Eagles Watch Homeowners AssociationWalden, CO2 of 40.0750 ppb65
Benwood Knolls Mobile Home ParkMillerton, NY1 of 20.0600 ppb87
City of Fort MeadeFort Meade, FL1 of 20.0500 ppb5,455
Edgewood Mobile Home ParkOcala, FL1 of 50.0500 ppb42
Beauregard Water AuthorityOpelika, AL1 of 50.0418 ppb9,828
Mountain Water AssociationFairchance, PA1 of 30.0400 ppb3,400
Mulberry, City ofMulberry, FL2 of 50.0376 ppb3,780
St. Martin Parish Water Works District 3 - Cade*St Martinville, LA2 of 120.0367 ppb2,715
Le Triomphe Subdivision Water SystemScott, LA2 of 120.0367 ppb957

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

UtilityLocationTestsAverage levelPeople served
Live Oak WTPLive Oak, FL1 of 41.53 ppb12,340
SIRWA #2 (Creston)*Creston, IA1 of 20.400 ppb18,510
Cucamonga Valley Water District*Rancho Cucamonga, CA1 of 80.175 ppb190,308
Toho Water Authority - Poinciana SystemKissimmee, FL1 of 30.0313 ppb69,447
Westchester County WD #2*Somers, NY1 of 50.0280 ppb36,000
McAlester PWA*Mcalester, OK1 of 40.0200 ppb17,783
City of Port Lavaca*Port Lavaca, TX1 of 50.0200 ppb12,248
Miramar (East & West) PlantsMiramar, FL1 of 60.0157 ppb128,729
Epcor Water New Mexico Inc ClovisClovis, NM2 of 210.0152 ppb39,508
City of The DallesThe Dalles, OR1 of 130.00769 ppb12,500
Palm Beach County Water Utilities*West Palm Beach, FL1 of 150.00627 ppb529,876
Verona WaterworksVerona, WI1 of 50.00600 ppb10,619
Fort Carson Army BaseFort Carson, CO1 of 180.00556 ppb42,000
US Air Force AcademyUsaf Academy, CO1 of 180.00556 ppb16,876
Colorado Springs Utilities*Colorado Springs, CO1 of 180.00556 ppb418,096

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