Other · 2024
Radium 226 228 in Madison, WI tap water
Madison, WI's 2024 Radium 226 228 measurement is below the federal limit of 5 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 1.6–5.3 pCi/L | 5 pCi/L MCL |
Average Median Level Found | 2.4 pCi/L | 5 pCi/L MCL |
Verbatim from Madison, WI's 2024 Consumer Confidence Report — source document ↗
How Madison, WI compares
1 of the 32 systems measuring Radium 226 228 on The Water Map have it at or above the federal limit:
Nearby systems also reporting Radium 226 228:
People also ask
+Is there Radium 226 228 in Madison, WI tap water?
Yes — Madison, WI's 2024 Consumer Confidence Report lists Radium 226 228 at 2.4 pCi/L. Madison, WI's 2024 Radium 226 228 measurement is below the federal limit of 5 pCi/L (MCL).
+What's the federal limit for Radium 226 228 in drinking water?
The federal MCL for Radium 226 228 is 5 pCi/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+Which other U.S. cities have Radium 226 228 over the federal limit?
1 of the 32 systems on The Water Map measuring Radium 226 228 report it at or above the federal limit. Examples include Rockford, IL.
+Where does this Radium 226 228 measurement come from?
This page reproduces the Radium 226 228 entry from the 2024 Consumer Confidence Report published by the Madison, WI 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/wi/madison/2024/source.