Metals · 2024
Aluminum in Charleston, SC tap water
Charleston, SC's 2024 Consumer Confidence Report shows Aluminum at or above the federal limit (50 ug/L MCL). Measured value is 1.9× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Feb 2019 | 38 ug/L | 50 ug/L MCL |
Reported level Dec 2018 | 58 ug/L | 50 ug/L MCL |
Reported level Nov 2021 | 78 ug/L | 50 ug/L MCL |
Reported level Oct 2020 | 70 ug/L | 50 ug/L MCL |
Reported level Aug 2018 | 74 ug/L | 50 ug/L MCL |
Reported level Feb 2022 | 73 ug/L | 50 ug/L MCL |
Reported level Jan 2024 | 94 ug/L | 50 ug/L MCL |
Reported level May 2019 | 35 ug/L | 50 ug/L MCL |
Verbatim from Charleston, SC's 2024 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 Charleston, SC 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 Charleston, SC tap water?
Yes — Charleston, SC's 2024 Consumer Confidence Report lists Aluminum at 94 ug/L. Charleston, SC's 2024 Consumer Confidence Report shows Aluminum at or above the federal limit (50 ug/L MCL). Measured value is 1.9× the threshold.
+What's the federal limit for Aluminum in drinking water?
The federal MCL for Aluminum 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 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 2024 Consumer Confidence Report published by the Charleston, SC 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/sc/charleston/2024/source.