Metals · 2024
Potassium in Pomona, CA tap water
Pomona, CA's 2024 Consumer Confidence Report shows Potassium at or above the federal limit (0.2 mg/L MCL). Measured value is 25.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Miramar Groundwater Well #2 | 1.7 mg/L | 0.2 mg/L MCL |
Reported level Miramar Groundwater Grand Well | 1.9 mg/L | 0.2 mg/L MCL |
Reported level Miramar Groundwater Well #1 | 1.5 mg/L | 0.2 mg/L MCL |
Reported level Miramar Effluent | 2.4 mg/L | 0.2 mg/L MCL |
Range Pomona Groundwater | 1.5–2.1 mg/L | 0.2 mg/L MCL |
Reported level Weymouth Effluent | 4.6–5 mg/L | 0.2 mg/L MCL |
Range Pomona Effluent | 1.6–2 mg/L | 0.2 mg/L MCL |
Verbatim from Pomona, CA's 2024 Consumer Confidence Report — source document ↗
About Potassium
A naturally occurring mineral from rock and soil.
Not federally regulated for health.
How Pomona, CA compares
2 of the 82 systems measuring Potassium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Potassium:
People also ask
+Is there Potassium in Pomona, CA tap water?
Yes — Pomona, CA's 2024 Consumer Confidence Report lists Potassium at 4.6–5 mg/L. Pomona, CA's 2024 Consumer Confidence Report shows Potassium at or above the federal limit (0.2 mg/L MCL). Measured value is 25.0× the threshold.
+What's the federal limit for Potassium in drinking water?
The federal MCL for Potassium is 0.2 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Potassium?
A naturally occurring mineral from rock and soil. Not federally regulated for health.
+Which other U.S. cities have Potassium over the federal limit?
2 of the 82 systems on The Water Map measuring Potassium report it at or above the federal limit. Examples include Burbank, CA, Vancouver, WA.
+Where does this Potassium measurement come from?
This page reproduces the Potassium entry from the 2024 Consumer Confidence Report published by the Pomona, 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/pomona/2024/source.