Metals · 2026
Nickel in San Diego, City of, CA tap water
San Diego, City of, CA's 2026 Nickel measurement is below the federal limit of 100 UG/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Entry point | 9.299999999999999 UG/L | 100 UG/L MCL |
Average Source water | 6.9 UG/L | 100 UG/L MCL |
Highest single sample Other | Not detected UG/L | 100 UG/L MCL |
Highest single sample Entry point | 17.9 UG/L | 100 UG/L MCL |
Highest single sample Source water | 14.5 UG/L | 100 UG/L MCL |
Verbatim from San Diego, City of, CA's 2026 Consumer Confidence Report — source document ↗
About Nickel
A metal from natural deposits and industrial discharge.
Long-term exposure can cause skin and other effects; monitored under EPA rules.
How San Diego, City of, CA compares
Nearby systems also reporting Nickel:
People also ask
+Is there Nickel in San Diego, City of, CA tap water?
Yes — San Diego, City of, CA's 2026 Consumer Confidence Report lists Nickel at 9.299999999999999 UG/L. San Diego, City of, CA's 2026 Nickel measurement is below the federal limit of 100 UG/L (MCL).
+What's the federal limit for Nickel in drinking water?
The federal MCL for Nickel is 100 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Nickel?
A metal from natural deposits and industrial discharge. Long-term exposure can cause skin and other effects; monitored under EPA rules.
+Where does this Nickel measurement come from?
This page reproduces the Nickel entry from the 2026 Consumer Confidence Report published by the San Diego, City of, 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/2026/source.