Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Propachlor

Status: No national drinking water standard exists

 

Propachlor is a carcinogenic, DNA-damaging herbicide also associated with adverse developmental effects and reproductive toxicity. Propachlor use is discontinued in the U.S.

2017-2019:

FOUND

4

states detected

4

utilities detected

3,705

people served

States reporting propachlor in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Oklahoma11,680
Missouri11,200
Maryland1600
Delaware1225
MORE
LESS

Utilities with the highest amounts of propachlor, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Riddle FarmBerlin, MD1 of 20.420 ppb600
Lake Forest EstatesFelton, DE1 of 10.190 ppb225
Colonial Efficiency ApartmentsFarmington, CT1 of 20.0355 ppb66
Connecticut Water Company - London Park DivisionClinton, CT1 of 20.0300 ppb221
Southeastern Connecticut Water Authority, Tower-ferry View DivisionGales Ferry, CT1 of 60.0183 ppb2,567
Morgan County Public Water Supply District # 2Stover, MO1 of 270.0162 ppb1,200
Garvin County Rural Water District # 6 (wells)Wynnewood, OK1 of 50.00200 ppb1,680
UtilityLocationTestsAverage levelPeople served