Physical & aggregate · 2024
pH in Piedmont, CA tap water
Piedmont, CA's 2024 report shows pH detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level USL | 8.2–8.5 | None set |
Reported level Orinda | 9.1–9.4 | None set |
Reported level Sobrante | 8.2–8.8 | None set |
Reported level Lafayette | 9.2–9.3 | None set |
Reported level Walnut Creek | 9.2–9.3 | None set |
Verbatim from Piedmont, CA's 2024 Consumer Confidence Report — source document ↗
About pH
A measure of how acidic or basic the water is.
Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.
How Piedmont, CA compares
5 of the 123 systems measuring pH on The Water Map have it at or above the federal limit:
Nearby systems also reporting pH:
People also ask
+Is there pH in Piedmont, CA tap water?
Yes — Piedmont, CA's 2024 Consumer Confidence Report lists pH at 9.1–9.4. Piedmont, CA's 2024 report shows pH detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for pH in drinking water?
The EPA has not set an enforceable federal limit for pH. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is pH?
A measure of how acidic or basic the water is. Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.
+Which other U.S. cities have pH over the federal limit?
5 of the 123 systems on The Water Map measuring pH report it at or above the federal limit. Examples include High Point, NC, Phoenix, AZ, Billings, MT.
+Where does this pH measurement come from?
This page reproduces the pH entry from the 2024 Consumer Confidence Report published by the Piedmont, 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/piedmont/2024/source.