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EWG's Tap Water Database — 2021 UPDATE

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Metolachlor oxanilic acid

Status: No national drinking water standard exists

 

2017-2019:

FOUND

1

states detected

5

utilities detected

1.1 million

people served

States reporting metolachlor oxanilic acid in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
New York51,137,108
MORE
LESS

Filtering technologies that reduce metolachlor oxanilic acid

Activated Carbon

Reverse Osmosis

Utilities with the highest amounts of metolachlor oxanilic acid, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
St James WDSt James, NY4 of 40.0170 ppb10,587
Stony Brook Water DistrictHauppauge, NY4 of 40.0170 ppb4,836
Greenport VillageGreenport, NY4 of 40.0170 ppb2,050
Smithtown WDKings Park, NY4 of 40.0170 ppb19,635
Suffolk County Water Authority*Bayshore, NY4 of 40.0170 ppb1,100,000

* 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 Metolachlor oxanilic acid, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
St James WDSt James, NY4 of 40.0170 ppb10,587
Smithtown WDKings Park, NY4 of 40.0170 ppb19,635
Suffolk County Water Authority*Bayshore, NY4 of 40.0170 ppb1,100,000

* 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 Metolachlor oxanilic acid, but it likely has the contaminant in its water supply.