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EWG's Tap Water Database — 2021 UPDATE

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Prometon

Status: No national drinking water standard exists

 

Prometon is a herbicide.

2017-2019:

FOUND

1

states detected

1

utilities detected

2,000

people served

States reporting prometon in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
New York12,000
MORE
LESS

Filtering technologies that reduce prometon

Activated Carbon

Reverse Osmosis

Utilities with the highest amounts of prometon, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Ely Municipal Water Department*Ely, NV1 of 20.0150 ppb5,000
Ruth Water DistrictMcgill, NV1 of 20.0150 ppb470
Millerton VillageMillerton, NY1 of 10.00330 ppb2,000
San Gabriel Valley Water Company - FontanaFontana, CA1 of 730.00137 ppb213,209

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

UtilityLocationTestsAverage levelPeople served
San Gabriel Valley Water Company - FontanaFontana, CA1 of 730.00137 ppb213,209