Brant Rock, MA Water Safety: 50/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
State safety rankings put Brant Rock, MA near the lower tier — below-average compliance on record.
How Brant Rock Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Brant Rock Water
- Estimated remediation: $2,200 per household.
- CDC health risk index: 12.05 — above typical levels.
Who Supplies Your Water in Brant Rock
Brant Rock, MA draws its water from one primary utility across 1 tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Brant Rock, Massachusetts, covering 1 community water system serving approximately 34,000 people.
No EPA violations recorded across any ZIP codes in Brant Rock — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Brant Rock: D (50/100)
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
Brant Rock water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Brant Rock
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate 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 |
|---|---|---|---|
| 02020 | D | MARSHFIELD WATER DEPARTMENT | 34,000 |
All ZIP Codes in Brant Rock
- 02020 [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 Brant Rock
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
Flood & Climate Risk in Brant Rock
Multiple flood events have been recorded for Brant Rock through the NFIP — 182 claims in total, with 100% of ZIP codes in FEMA-designated zones — pointing to a flood exposure profile that merits inclusion in a water quality assessment without reaching high-severity planning territory.
Brant Rock has a moderate flood history with 182 FEMA claims averaging $14,238 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Brant Rock
- 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 Brant Rock, MA