Inorganic chemicals · 2023
Sulfate in San Diego, CA tap water
San Diego, CA's 2023 Sulfate measurement is below the federal limit of 500 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Miramar | 174 mg/L | 500 mg/L MCL |
Range Miramar | 129–207 mg/L | 500 mg/L MCL |
Range Otay | 80.8–149 mg/L | 500 mg/L MCL |
Range Alvarado | 93.3–173 mg/L | 500 mg/L MCL |
Average Otay | 124 mg/L | 500 mg/L MCL |
Range Purchased Treated Water | 12–217 mg/L | 500 mg/L MCL |
Average Alvarado | 141 mg/L | 500 mg/L MCL |
Average Purchased Treated Water | 135 mg/L | 500 mg/L MCL |
Verbatim from San Diego, CA's 2023 Consumer Confidence Report — source document ↗
About Sulfate
A naturally occurring mineral from rock and soil.
No health-based federal limit; high levels can have a laxative effect and a bitter taste.
How San Diego, CA compares
3 of the 153 systems measuring Sulfate on The Water Map have it at or above the federal limit:
Nearby systems also reporting Sulfate:
People also ask
+Is there Sulfate in San Diego, CA tap water?
Yes — San Diego, CA's 2023 Consumer Confidence Report lists Sulfate at 174 mg/L. San Diego, CA's 2023 Sulfate measurement is below the federal limit of 500 mg/L (MCL).
+What's the federal limit for Sulfate in drinking water?
The federal MCL for Sulfate is 500 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Sulfate?
A naturally occurring mineral from rock and soil. No health-based federal limit; high levels can have a laxative effect and a bitter taste.
+Which other U.S. cities have Sulfate over the federal limit?
3 of the 153 systems on The Water Map measuring Sulfate report it at or above the federal limit. Examples include Lakewood, CO, Santa Rosa, CA, Ventura, CA.
+Where does this Sulfate measurement come from?
This page reproduces the Sulfate entry from the 2023 Consumer Confidence Report published by the San Diego, 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-diego/2023/source.