Disinfectants · 2022

Chloramine in Town of Hillsborough, CA tap water

Within the federal limit· 0.6× the limit

Town of Hillsborough, CA's 2022 Chloramine measurement is below the federal limit of 4 mg/L (MCL).

The measurement

StatisticValue
Range
or Level Found
0.46–3.39 mg/L
Average
System-wide
2.59 mg/L

Verbatim from Town of Hillsborough, CA's 2022 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 Town of Hillsborough, CA compares

1 of the 19 CA 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 Town of Hillsborough, CA tap water?

Yes — Town of Hillsborough, CA's 2022 Consumer Confidence Report lists Chloramine at 2.59 mg/L. Town of Hillsborough, CA's 2022 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?

1 of the 19 CA systems on The Water Map measuring Chloramine report it at or above the federal limit. Examples include Sweetwater Authority — Chula Vista, Ca, CA.

+Where does this Chloramine measurement come from?

This page reproduces the Chloramine entry from the 2022 Consumer Confidence Report published by the Town of Hillsborough, 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/hillsborough/2022/source.

Full report
All Town of Hillsborough, CA water-quality data →
Every contaminant measured in the 2022 report.
Contaminant pillar
Chloramine across the U.S. →
Every public water system measuring Chloramine, ranked.