Drinking water quality · 2025
What's in Rosebud School District No 12, MT tap water
1 contaminants were measured in the Rosebud School District No 12, MT water system's 2025 annual report. Each is shown below against its federal limit.
- Reporting year
- 2025
- Contaminants measured
- 1
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- MT
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based1 violation on record · most recent Jan 1999resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.002 mg/L90th percentileAt the tap | 0.015 mg/LAction level | Within the limit |
People also ask about Rosebud School District No 12, MT's water
+Is Rosebud School District No 12, MT tap water safe to drink in 2025?
Every one of the 1 contaminants measured in Rosebud School District No 12, MT's 2025 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Rosebud School District No 12, MT tap water?
1 contaminants were measured in Rosebud School District No 12, MT's 2025 Consumer Confidence Report, spanning metals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Rosebud School District No 12, MT's 2025 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Rosebud School District No 12, MT's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2025 report; a new report will replace it once the utility publishes its next annual update.