Metals · 2025
Chromium, Total in Phoenix, AZ tap water
Phoenix, AZ's 2025 Chromium, Total level is between 80% and 100% of the federal limit (100 ug/L MCL) — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Sample Results | 0–87 ug/L | 100 ug/L MCL |
Verbatim from Phoenix, AZ's 2025 Consumer Confidence Report — source document ↗
About Chromium, Total
Total chromium — the sum of all chromium forms, from natural deposits and industrial discharge.
Long-term exposure above the federal limit can cause allergic dermatitis; includes hexavalent chromium.
How Phoenix, AZ compares
2 of the 133 systems measuring Chromium, Total on The Water Map have it at or above the federal limit:
Nearby systems also reporting Chromium, Total:
People also ask
+Is there Chromium, Total in Phoenix, AZ tap water?
Yes — Phoenix, AZ's 2025 Consumer Confidence Report lists Chromium, Total at 0–87 ug/L. Phoenix, AZ's 2025 Chromium, Total level is between 80% and 100% of the federal limit (100 ug/L MCL) — measured but not in violation.
+What's the federal limit for Chromium, Total in drinking water?
The federal MCL for Chromium, Total 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 Chromium, Total?
Total chromium — the sum of all chromium forms, from natural deposits and industrial discharge. Long-term exposure above the federal limit can cause allergic dermatitis; includes hexavalent chromium.
+Which other U.S. cities have Chromium, Total over the federal limit?
2 of the 133 systems on The Water Map measuring Chromium, Total report it at or above the federal limit. Examples include San Francisco SFPUC, CA, Norman, OK.
+Where does this Chromium, Total measurement come from?
This page reproduces the Chromium, Total entry from the 2025 Consumer Confidence Report published by the Phoenix, AZ 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/az/phoenix/2025/source.