Menu

EWG's Tap Water Database

Donate

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:

FOUND
FOUND ABOVE HEALTH GUIDELINES

12

states detected

37

utilities detected

228,000

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

Health Guideline 166 ppb

The 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.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 500 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)500 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

States reporting picloram in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Texas9160,490
Oklahoma826,620
Arkansas513,448
Alabama19,828
Nevada25,700
Washington15,150
Colorado32,468
Idaho31,595
Iowa21,360
Louisiana11,248
North Carolina161
Florida142
MORE
LESS

Utilities with the highest amounts of picloram, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Haxtun, Town ofHaxtun, CO5 of 717.3 ppb952
Sunset Bay S/dMooresville, NC3 of 31.06 ppb61
Oto Water SupplyOto, IA1 of 10.800 ppb108
Red Rock IncorporatedMoscow, ID1 of 10.628 ppb60
Villisca Municipal Water DepartmentVillisca, IA1 of 10.600 ppb1,252
Juliaetta, City ofJuliaetta, ID1 of 10.475 ppb579
Ely Municipal Water Department*Ely, NV3 of 30.373 ppb5,000
Edgewood Mobile Home ParkOcala, FL1 of 10.250 ppb42
Beauregard Water AuthorityOpelika, AL1 of 10.209 ppb9,828
Booneville Waterworks*Booneville, AR3 of 40.195 ppb5,892
Genesee, City ofGenesee, ID1 of 10.130 ppb956
Connell, City ofConnell, WA2 of 20.105 ppb5,150
Eagles Watch Homeowners AssociationWalden, CO1 of 10.1000 ppb65
Bluebonnet Water Supply Corporation*Temple, TX1 of 10.1000 ppb0
Springfield, Town ofSpringfield, CO1 of 30.0667 ppb1,451
McAlester PWA*Mcalester, OK1 of 20.0400 ppb17,783
City of GustineGustine, TX1 of 30.0333 ppb442
Turkey Creek Water System*Gilbert, LA2 of 80.0243 ppb1,248

* 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
McAlester PWA*Mcalester, OK1 of 20.0400 ppb17,783

* 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.