Disinfection byproducts · 2023

Perchlorate in Santa Monica-city, Water Division — Los Angeles, Ca, CA tap water

Detected — no federal limit

Santa Monica-city, Water Division — Los Angeles, Ca, CA's 2023 report shows Perchlorate detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
IMPORTED SURFACE WATER Jensen Plant
Not detected ug/L
Range
IMPORTED SURFACE WATER Jensen Plant
Not detected ug/L
Range
LOCAL WELL WATER Arcadia Plant
Not detected ug/L
Range
Sm Well #1
0.7 ug/L
Average
LOCAL WELL WATER Arcadia Plant
Not detected ug/L
Range
Sm Well #1
0.7 ug/L
Range
LOCAL WELL WATER Arcadia Plant
Not detected ug/L
Range
IMPORTED SURFACE WATER Jensen Plant
Not detected ug/L
Average
IMPORTED SURFACE WATER Jensen Plant
Not detected ug/L
Average
Sm Well #1
0.7 ug/L
Range
IMPORTED SURFACE WATER Weymouth Plant
Not detected ug/L
Average
IMPORTED SURFACE WATER Weymouth Plant
Not detected ug/L
Average
Sm Well #1
0.7 ug/L
Range
IMPORTED SURFACE WATER Weymouth Plant
Not detected ug/L
Average
LOCAL WELL WATER Arcadia Plant
Not detected ug/L
Average
IMPORTED SURFACE WATER Weymouth Plant
Not detected ug/L

Verbatim from Santa Monica-city, Water Division — Los Angeles, Ca, CA's 2023 Consumer Confidence Report — source document ↗

About Perchlorate

A chemical used in rocket fuel and fireworks that can also form during disinfection.

Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.

How Santa Monica-city, Water Division — Los Angeles, Ca, CA compares

Nearby systems also reporting Perchlorate:

People also ask

+Is there Perchlorate in Santa Monica-city, Water Division — Los Angeles, Ca, CA tap water?

Yes — Santa Monica-city, Water Division — Los Angeles, Ca, CA's 2023 Consumer Confidence Report lists Perchlorate at 0.7 ug/L. Santa Monica-city, Water Division — Los Angeles, Ca, CA's 2023 report shows Perchlorate detected, but the EPA has not set an enforceable federal limit for it.

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

The federal Public health goal for Perchlorate is 1 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Perchlorate?

A chemical used in rocket fuel and fireworks that can also form during disinfection. Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.

+Where does this Perchlorate measurement come from?

This page reproduces the Perchlorate entry from the 2023 Consumer Confidence Report published by the Santa Monica-city, Water Division — Los Angeles, 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/santa-monica-city-water-division-los-angeles-ca/2023/source.

Full report
All Santa Monica-city, Water Division — Los Angeles, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Perchlorate across the U.S. →
Every public water system measuring Perchlorate, ranked.