Disinfectants · 2023

Chlorine in California Water Service Co. - Ela — San Jose, Ca, CA tap water

Within the federal limit· 0.5× the limit

California Water Service Co. - Ela — San Jose, Ca, CA's 2023 Chlorine measurement is below the federal limit of 4 mg/L (MCL).

The measurement

StatisticValue
Average
System-wide
2.1 mg/L
Range
System-wide
0.25–2.9 mg/L

Verbatim from California Water Service Co. - Ela — San Jose, Ca, CA's 2023 Consumer Confidence Report — source document ↗

About Chlorine

A disinfectant added to drinking water to kill bacteria and viruses.

Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.

How California Water Service Co. - Ela — San Jose, Ca, CA compares

5 of the 690 systems measuring Chlorine on The Water Map have it at or above the federal limit:

Nearby systems also reporting Chlorine:

People also ask

+Is there Chlorine in California Water Service Co. - Ela — San Jose, Ca, CA tap water?

Yes — California Water Service Co. - Ela — San Jose, Ca, CA's 2023 Consumer Confidence Report lists Chlorine at 2.1 mg/L. California Water Service Co. - Ela — San Jose, Ca, CA's 2023 Chlorine measurement is below the federal limit of 4 mg/L (MCL).

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

The federal MCL for Chlorine is 4 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Chlorine?

A disinfectant added to drinking water to kill bacteria and viruses. Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.

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

5 of the 690 systems on The Water Map measuring Chlorine report it at or above the federal limit. Examples include Santa Fe I.d. — Rancho Santa Fe, Ca, CA, Glendora-city, Water Dept. — Glendora, Ca, CA, Chapel Hill Water System, MD.

+Where does this Chlorine measurement come from?

This page reproduces the Chlorine entry from the 2023 Consumer Confidence Report published by the California Water Service Co. - Ela — San Jose, 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/california-water-service-co-ela-san-jose-ca/2023/source.

Full report
All California Water Service Co. - Ela — San Jose, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Chlorine across the U.S. →
Every public water system measuring Chlorine, ranked.