Disinfectants · 2022

Chloramine in Purissima Hills Water District — Los Altos Hills, Ca, CA tap water

Within the federal limit· 0.8× the limit

Purissima Hills Water District — Los Altos Hills, Ca, CA's 2022 Chloramine measurement is below the federal limit of 4 mg/L (MCL).

The measurement

StatisticValue
Range
or Level Found
2.92–3.22 mg/L
Average
System-wide
3.08 mg/L

Verbatim from Purissima Hills Water District — Los Altos Hills, Ca, 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 Purissima Hills Water District — Los Altos Hills, 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 Purissima Hills Water District — Los Altos Hills, Ca, CA tap water?

Yes — Purissima Hills Water District — Los Altos Hills, Ca, CA's 2022 Consumer Confidence Report lists Chloramine at 3.08 mg/L. Purissima Hills Water District — Los Altos Hills, Ca, 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?

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 2022 Consumer Confidence Report published by the Purissima Hills Water District — Los Altos Hills, 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/purissima-hills-water-district-los-altos-hills-ca/2022/source.

Full report
All Purissima Hills Water District — Los Altos Hills, Ca, CA water-quality data →
Every contaminant measured in the 2022 report.
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