The Power of Information

National Drinking Water Database

Butachlor in California

Butachlor is an herbicide for rice and is used to control annual grasses and broadleaf weeds.

The Most Polluted Communities in California

2 water utilities reported detecting Butachlor in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Butachlor level

RankSystem Population Served Positive test results of total reported tests Average Level
1Delhi Cwd
Delhi, CA
5,3021 of 60.16 ppb
(0 to 0.97 ppb)
2Rancho California Water District
Temecula, CA
103,4141 of 370.01 ppb
(0 to 0.43 ppb)

Health Based Limits for Butachlor

There are no health based standards that EWG is using for this chemical

Violation Summary for Butachlor in California

There are no violations reported for this contaminant in California