Metals · 2024
Barium in Boulder, CO tap water
Boulder, CO's 2024 Barium measurement is below the federal limit of 2 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level National City Well 2 | 0.1–0.1 mg/L | 2 mg/L MCL |
Reported level National City Well 4 | 0.1–0.1 mg/L | 2 mg/L MCL |
Reported level SD Formation Wells 1 - 11 | 0.1–0.2 mg/L | 2 mg/L MCL |
Reported level Lake Skinner Outlet (Aqueduct) | Not detected mg/L | 2 mg/L MCL |
Reported level Sweetwater Reservoir | Not detected mg/L | 2 mg/L MCL |
Reported level Treated Sweetwater Authority Drinking Water | 0–0.1 mg/L | 2 mg/L MCL |
Reported level National City Well 2 | 0.1 mg/L | 2 mg/L MCL |
Reported level National City Well 3 | Not detected mg/L | 2 mg/L MCL |
Reported level National City Well 4 | 0.1 mg/L | 2 mg/L MCL |
Reported level SD Formation Wells 1 - 11 | 0.1 mg/L | 2 mg/L MCL |
Reported level Treated Sweetwater Authority Drinking Water | Not detected mg/L | 2 mg/L MCL |
Reported level System-wide | 0.01–0.01 mg/L | 2 mg/L MCL |
Verbatim from Boulder, CO's 2024 Consumer Confidence Report — source document ↗
About Barium
A metal from erosion of natural deposits and industrial discharge.
Long-term exposure above the federal limit can raise blood pressure.
How Boulder, CO compares
Nearby systems also reporting Barium:
People also ask
+Is there Barium in Boulder, CO tap water?
Yes — Boulder, CO's 2024 Consumer Confidence Report lists Barium at 0.1–0.2 mg/L. Boulder, CO's 2024 Barium measurement is below the federal limit of 2 mg/L (MCL).
+What's the federal limit for Barium in drinking water?
The federal MCL for Barium is 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 Barium?
A metal from erosion of natural deposits and industrial discharge. Long-term exposure above the federal limit can raise blood pressure.
+Where does this Barium measurement come from?
This page reproduces the Barium entry from the 2024 Consumer Confidence Report published by the Boulder, CO 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/co/boulder/2024/source.