Still River, MA: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Compared to MA averages, Still River scores below the baseline — health violations appear more frequently than the norm and the city's grade reflects that ongoing shortfall.
How Still River Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Still River Water
- Estimated remediation: $1,200 per household.
- CDC health risk index: 12.17 — above typical levels.
Who Supplies Your Water in Still River
A single utility carries the primary residential water load in Still River, MA — the dominant provider across 1 federally tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Still River, Massachusetts, covering 1 community water system serving approximately 1,422 people.
No EPA violations recorded across any ZIP codes in Still River — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Still River: D (40/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Still River water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Still River
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 01467 | D | HARVARD WATER DEPARTMENT | 1,422 |
All ZIP Codes in Still River
- 01467 [D]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Still River
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What You Can Do in Still River
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Still River, MA