Physical & aggregate · 2024
Hardness in Vancouver, WA tap water
Vancouver, WA's 2024 Consumer Confidence Report shows Hardness at or above the federal limit (140 mg/L MCL). Measured value is 1.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Minimum System-wide | 79 mg/L | 140 mg/L MCL |
Maximum System-wide | 140 mg/L | 140 mg/L MCL |
Verbatim from Vancouver, WA's 2024 Consumer Confidence Report — source document ↗
About Hardness
A measure of dissolved calcium and magnesium minerals.
Not federally regulated for health; affects scaling, soap use, and taste.
How Vancouver, WA compares
3 of the 124 systems measuring Hardness on The Water Map have it at or above the federal limit:
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Vancouver, WA tap water?
Yes — Vancouver, WA's 2024 Consumer Confidence Report lists Hardness at 140 mg/L. Vancouver, WA's 2024 Consumer Confidence Report shows Hardness at or above the federal limit (140 mg/L MCL). Measured value is 1.0× the threshold.
+What's the federal limit for Hardness in drinking water?
The federal MCL for Hardness is 140 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Hardness?
A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.
+Which other U.S. cities have Hardness over the federal limit?
3 of the 124 systems on The Water Map measuring Hardness report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, San Diego, CA.
+Where does this Hardness measurement come from?
This page reproduces the Hardness entry from the 2024 Consumer Confidence Report published by the Vancouver, WA 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/wa/vancouver/2024/source.