Metals · 2023
Aluminum in San Francisco SFPUC, CA tap water
San Francisco SFPUC, CA's 2023 Aluminum measurement is below the federal limit of 200 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | Not detected ug/L | 200 ug/L MCL |
Range System-wide | 0–59 ug/L | 200 ug/L MCL |
Verbatim from San Francisco SFPUC, CA's 2023 Consumer Confidence Report — source document ↗
About Aluminum
A common element sometimes used as a treatment coagulant.
Regulated only as a secondary (cosmetic) standard; high levels can discolor water.
How San Francisco SFPUC, CA compares
5 of the 125 systems measuring Aluminum on The Water Map have it at or above the federal limit:
Nearby systems also reporting Aluminum:
People also ask
+Is there Aluminum in San Francisco SFPUC, CA tap water?
Yes — San Francisco SFPUC, CA's 2023 Consumer Confidence Report lists Aluminum at Not detected ug/L. San Francisco SFPUC, CA's 2023 Aluminum measurement is below the federal limit of 200 ug/L (MCL).
+What's the federal limit for Aluminum in drinking water?
The federal MCL for Aluminum is 200 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Aluminum?
A common element sometimes used as a treatment coagulant. Regulated only as a secondary (cosmetic) standard; high levels can discolor water.
+Which other U.S. cities have Aluminum over the federal limit?
5 of the 125 systems on The Water Map measuring Aluminum report it at or above the federal limit. Examples include Salt Lake City, UT, Inglewood, CA, Catoosa Utility District Authority, TN.
+Where does this Aluminum measurement come from?
This page reproduces the Aluminum entry from the 2023 Consumer Confidence Report published by the San Francisco SFPUC, 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/san-francisco-sfpuc/2023/source.