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EWG's Tap Water Database — 2019 UPDATE

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Butachlor

Status: No national drinking water standard exists

 

Butachlor is a herbicide that is no longer used in the U.S.

2015-2017:

FOUND

4

states detected

9

utilities detected

170,000

people served

States reporting butachlor in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Rhode Island5152,453
Wisconsin111,762
Nevada25,700
New Hampshire1110
MORE
LESS

Filtering technologies that reduce butachlor

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Activated Carbon

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Reverse Osmosis

Utilities with the highest amounts of butachlor, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Riverview Manor CondosManchester, NH1 of 20.0800 ppb110
Kent County Water Authority*West Warwick, RI1 of 150.0133 ppb88,780
Warwick-potowomutWarwick, RI1 of 150.0133 ppb2,357
Centre of New England Hopkins Hill Rd.Providence, RI1 of 150.0133 ppb317
Centre of New England BoulevardProvidence, RI1 of 150.0133 ppb9,999
Bristol County Water AuthorityWarren, RI1 of 170.0118 ppb51,000
Port Washington WaterworksPort Washington, WI1 of 10.01000 ppb11,762
Ely Municipal Water Department*Ely, NV1 of 100.00400 ppb5,000
Ruth Water DistrictMcgill, NV1 of 100.00400 ppb700

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

UtilityLocationTestsAverage levelPeople served
Kent County Water Authority*West Warwick, RI1 of 150.0133 ppb88,780
Bristol County Water AuthorityWarren, RI1 of 170.0118 ppb51,000
Port Washington WaterworksPort Washington, WI1 of 10.01000 ppb11,762

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