Disinfectants · 2021
Chloramine in Walnut Valley Water District — Walnut, Ca, CA tap water
Walnut Valley Water District — Walnut, Ca, CA's 2021 Chloramine measurement is below the federal limit of 4 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Walnut Valley Water District | 2.43 mg/L | 4 mg/L MCL |
Range Walnut Valley Water District | 2.3–2.64 mg/L | 4 mg/L MCL |
Reported level Metropolitan Water District of Southern California | 2.5 mg/L | 4 mg/L MCL |
Range Metropolitan Water District of Southern California | 0.4–2.9 mg/L | 4 mg/L MCL |
Reported level Three Valleys Municipal Water District (Miramar Plant Effluent) | 2.65 mg/L | 4 mg/L MCL |
Range Three Valleys Municipal Water District (Miramar Plant Effluent) | 2.54–2.77 mg/L | 4 mg/L MCL |
Verbatim from Walnut Valley Water District — Walnut, Ca, CA's 2021 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 Walnut Valley Water District — Walnut, Ca, 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 Walnut Valley Water District — Walnut, Ca, CA tap water?
Yes — Walnut Valley Water District — Walnut, Ca, CA's 2021 Consumer Confidence Report lists Chloramine at 0.4–2.9 mg/L. Walnut Valley Water District — Walnut, Ca, CA's 2021 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 2021 Consumer Confidence Report published by the Walnut Valley Water District — Walnut, 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/walnut-valley-water-district-walnut-ca/2021/source.