Metals · 2023
Selenium in Sweetwater Authority — Chula Vista, Ca, CA tap water
Sweetwater Authority — Chula Vista, Ca, CA's 2023 Selenium measurement is below the federal limit of 50 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level SD Formation Wells 1 - 11 | 0–19 ug/L | 50 ug/L MCL |
Reported level Lake Skinner Outlet (Aqueduct) | Not detected ug/L | 50 ug/L MCL |
Reported level Treated Sweetwater Authority Drinking Water | Not detected ug/L | 50 ug/L MCL |
Reported level National City Well 2 | Not detected ug/L | 50 ug/L MCL |
Reported level National City Well 3 | Not detected ug/L | 50 ug/L MCL |
Reported level National City Well 4 | Not detected ug/L | 50 ug/L MCL |
Reported level SD Formation Wells 1 - 11 | 4.6 ug/L | 50 ug/L MCL |
Reported level Sweetwater Reservoir | Not detected ug/L | 50 ug/L MCL |
Verbatim from Sweetwater Authority — Chula Vista, Ca, CA's 2023 Consumer Confidence Report — source document ↗
About Selenium
A trace element from natural deposits and industrial discharge.
Essential in tiny amounts, but long-term exposure above the federal limit can cause hair and fingernail loss and circulatory problems.
How Sweetwater Authority — Chula Vista, Ca, CA compares
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People also ask
+Is there Selenium in Sweetwater Authority — Chula Vista, Ca, CA tap water?
Yes — Sweetwater Authority — Chula Vista, Ca, CA's 2023 Consumer Confidence Report lists Selenium at 0–19 ug/L. Sweetwater Authority — Chula Vista, Ca, CA's 2023 Selenium measurement is below the federal limit of 50 ug/L (MCL).
+What's the federal limit for Selenium in drinking water?
The federal MCL for Selenium is 50 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Selenium?
A trace element from natural deposits and industrial discharge. Essential in tiny amounts, but long-term exposure above the federal limit can cause hair and fingernail loss and circulatory problems.
+Where does this Selenium measurement come from?
This page reproduces the Selenium entry from the 2023 Consumer Confidence Report published by the Sweetwater Authority — Chula Vista, 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/sweetwater-authority-chula-vista-ca/2023/source.