Metals · 2024
Calcium in Pomona, CA tap water
Pomona, CA's 2024 Consumer Confidence Report shows Calcium at or above the federal limit (0.1 mg/L MCL). Measured value is 760.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Pomona Groundwater | 49–76 mg/L | 0.1 mg/L MCL |
Reported level Miramar Groundwater Well #2 | 60 mg/L | 0.1 mg/L MCL |
Range Pomona Effluent | 48–50 mg/L | 0.1 mg/L MCL |
Reported level Miramar Effluent | 22 mg/L | 0.1 mg/L MCL |
Reported level Miramar Groundwater Well #1 | 59 mg/L | 0.1 mg/L MCL |
Reported level Weymouth Effluent | 59–68 mg/L | 0.1 mg/L MCL |
Reported level Miramar Groundwater Grand Well | 66 mg/L | 0.1 mg/L MCL |
Verbatim from Pomona, CA's 2024 Consumer Confidence Report — source document ↗
About Calcium
A naturally occurring mineral that contributes to water hardness.
Not federally regulated for health; affects scaling and taste.
How Pomona, CA compares
2 of the 117 systems measuring Calcium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Calcium:
People also ask
+Is there Calcium in Pomona, CA tap water?
Yes — Pomona, CA's 2024 Consumer Confidence Report lists Calcium at 49–76 mg/L. Pomona, CA's 2024 Consumer Confidence Report shows Calcium at or above the federal limit (0.1 mg/L MCL). Measured value is 760.0× the threshold.
+What's the federal limit for Calcium in drinking water?
The federal MCL for Calcium is 0.1 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Calcium?
A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.
+Which other U.S. cities have Calcium over the federal limit?
2 of the 117 systems on The Water Map measuring Calcium report it at or above the federal limit. Examples include Burbank, CA, Vancouver, WA.
+Where does this Calcium measurement come from?
This page reproduces the Calcium 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.