Disinfectants · 2023
Chloramine in California Water Service-s San Francisco — San Jose, Ca, CA tap water
California Water Service-s San Francisco — San Jose, Ca, CA's 2023 Chloramine measurement is below the federal limit of 4 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Distribution System-Wide | 1.3–3.6 mg/L | 4 mg/L MCL |
Average Distribution System-Wide | 2.9 mg/L | 4 mg/L MCL |
Verbatim from California Water Service-s San Francisco — San Jose, Ca, CA's 2023 Consumer Confidence Report — source document ↗
About Chloramine
A longer-lasting disinfectant made by combining chlorine with ammonia.
Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.
How California Water Service-s San Francisco — San Jose, Ca, CA compares
5 of the 127 systems measuring Chloramine on The Water Map have it at or above the federal limit:
Nearby systems also reporting Chloramine:
People also ask
+Is there Chloramine in California Water Service-s San Francisco — San Jose, Ca, CA tap water?
Yes — California Water Service-s San Francisco — San Jose, Ca, CA's 2023 Consumer Confidence Report lists Chloramine at 2.9 mg/L. California Water Service-s San Francisco — San Jose, Ca, CA's 2023 Chloramine measurement is below the federal limit of 4 mg/L (MCL).
+What's the federal limit for Chloramine in drinking water?
The federal MCL for Chloramine 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 Chloramine?
A longer-lasting disinfectant made by combining chlorine with ammonia. Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.
+Which other U.S. cities have Chloramine over the federal limit?
5 of the 127 systems on The Water Map measuring Chloramine report it at or above the federal limit. Examples include Hialeah, FL, Shreveport, LA, Suffolk, VA.
+Where does this Chloramine measurement come from?
This page reproduces the Chloramine entry from the 2023 Consumer Confidence Report published by the California Water Service-s San Francisco — 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-s-san-francisco-san-jose-ca/2023/source.