Physical & aggregate · 2023
Alkalinity in San Diego, CA tap water
San Diego, CA's 2023 Consumer Confidence Report shows Alkalinity at or above the federal limit (5 mg/L MCL). Measured value is 24.6× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Purchased Treated Water | 94 mg/L | 5 mg/L MCL |
Range Otay | 87.8–155 mg/L | 5 mg/L MCL |
Range Alvarado | 111–124 mg/L | 5 mg/L MCL |
Range Miramar | 95.5–119 mg/L | 5 mg/L MCL |
Average Alvarado | 116 mg/L | 5 mg/L MCL |
Average Otay | 123 mg/L | 5 mg/L MCL |
Range Purchased Treated Water | 47–120 mg/L | 5 mg/L MCL |
Average Miramar | 110 mg/L | 5 mg/L MCL |
Verbatim from San Diego, CA's 2023 Consumer Confidence Report — source document ↗
About Alkalinity
A measure of the water's capacity to neutralize acids.
Not federally regulated for health; relevant to corrosion control and treatment.
How San Diego, CA compares
3 of the 96 systems measuring Alkalinity on The Water Map have it at or above the federal limit:
Nearby systems also reporting Alkalinity:
People also ask
+Is there Alkalinity in San Diego, CA tap water?
Yes — San Diego, CA's 2023 Consumer Confidence Report lists Alkalinity at 123 mg/L. San Diego, CA's 2023 Consumer Confidence Report shows Alkalinity at or above the federal limit (5 mg/L MCL). Measured value is 24.6× the threshold.
+What's the federal limit for Alkalinity in drinking water?
The federal MCL for Alkalinity is 5 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Alkalinity?
A measure of the water's capacity to neutralize acids. Not federally regulated for health; relevant to corrosion control and treatment.
+Which other U.S. cities have Alkalinity over the federal limit?
3 of the 96 systems on The Water Map measuring Alkalinity report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, Vancouver, WA.
+Where does this Alkalinity measurement come from?
This page reproduces the Alkalinity 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.