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EWG's Tap Water Database — 2021 UPDATE

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Aldicarb sulfone

Status: No national drinking water standard exists

 

Aldicarb sulfone is a groundwater contaminant and a neurotoxic metabolite of the insecticide aldicarb used on agricultural crops.

2017-2019:

FOUND

3

states detected

3

utilities detected

11,444

people served

Health concerns for aldicarb sulfone

Harm to the brain and nervous system

States reporting aldicarb sulfone in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Virginia19,364
Oklahoma11,680
New York1400
MORE
LESS

Filtering technologies that reduce aldicarb sulfone

Activated Carbon

Reverse Osmosis

Utilities with the highest amounts of aldicarb sulfone, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Hcsa- Leigh Street PlantSouth Boston, VA1 of 10.700 ppb9,364
ZimmermanZimmerman, MN1 of 110.355 ppb5,334
Four Winds HospitalKatonah, NY2 of 80.325 ppb400
Spanish Fort Water System*Spanish Fort, AL1 of 80.264 ppb9,264
Garvin County Rural Water District # 6 (wells)Wynnewood, OK1 of 50.0600 ppb1,680

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

UtilityLocationTestsAverage levelPeople served