Other · 2023

Diquat in Covina Irrigating Co. — West Covina, Ca, CA tap water

Not detected

Covina Irrigating Co. — West Covina, Ca, CA's 2023 Consumer Confidence Report tested for Diquat and reported no detectable amount.

The measurement

StatisticValue
Range
Surface Water
Not detected ug/L
Average
Surface Water
Not detected ug/L
Range
Ground Water
Not detected ug/L
Average
Ground Water
Not detected ug/L

Verbatim from Covina Irrigating Co. — West Covina, Ca, CA's 2023 Consumer Confidence Report — source document ↗

How Covina Irrigating Co. — West Covina, Ca, CA compares

1 of the 8 CA systems measuring Diquat on The Water Map have it at or above the federal limit:

Nearby systems also reporting Diquat:

People also ask

+Is there Diquat in Covina Irrigating Co. — West Covina, Ca, CA tap water?

Covina Irrigating Co. — West Covina, Ca, CA's 2023 Consumer Confidence Report tested for Diquat and found no detectable amount.

+What's the federal limit for Diquat in drinking water?

The federal MCL for Diquat is 20 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+Which other U.S. cities have Diquat over the federal limit?

1 of the 8 CA systems on The Water Map measuring Diquat report it at or above the federal limit. Examples include Delano, City of — Delano, Ca, CA.

+Where does this Diquat measurement come from?

This page reproduces the Diquat entry from the 2023 Consumer Confidence Report published by the Covina Irrigating Co. — West Covina, Ca, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/covina-irrigating-co-west-covina-ca/2023/source.

Full report
All Covina Irrigating Co. — West Covina, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Diquat across the U.S. →
Every public water system measuring Diquat, ranked.