Physical & aggregate · 2025
Hardness in Lakewood, NJ tap water
Lakewood, NJ's 2025 Hardness measurement is below the federal limit of 250 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level System-wide | 60 mg/L | 250 mg/L MCL |
Reported level System-wide | 140 mg/L | 250 mg/L MCL |
Range Range Detected | 72 mg/L | 250 mg/L MCL |
Verbatim from Lakewood, NJ's 2025 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 Lakewood, NJ compares
4 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 Lakewood, NJ tap water?
Yes — Lakewood, NJ's 2025 Consumer Confidence Report lists Hardness at 140 mg/L. Lakewood, NJ's 2025 Hardness measurement is below the federal limit of 250 mg/L (MCL).
+What's the federal limit for Hardness in drinking water?
The federal MCL for Hardness is 250 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?
4 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 2025 Consumer Confidence Report published by the Lakewood, NJ 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/nj/lakewood/2025/source.