Marshfield Hills, MA Water Safety: 55/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Public water data for Marshfield Hills, MA reveals a split picture — tap water quality varies meaningfully by service area and the city's grade reflects that variability.
How Marshfield Hills Compares
Data: EPA SDWIS Last verified: 2026-06-03
Marshfield Hills Water: The Quick Version
- Estimated remediation: $2,200 per household.
- CDC health risk index: 12.05 — above typical levels.
Water Systems Serving Marshfield Hills
Because residential water in Marshfield Hills, MA flows primarily through a single utility, infrastructure decisions, rate-setting, and EPA compliance are all managed within one organizational structure. Federal records show 1 system active in the area, but one provider dominates the service landscape for most homes and apartments.
Overview
We track water quality and home safety data for 1 ZIP code in Marshfield Hills, Massachusetts, covering 1 community water system serving approximately 34,000 people.
No EPA violations recorded across any ZIP codes in Marshfield Hills — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Marshfield Hills: C (55/100)
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
Marshfield Hills water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Marshfield Hills
- 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 |
|---|---|---|---|
| 02051 | C | MARSHFIELD WATER DEPARTMENT | 34,000 |
All ZIP Codes in Marshfield Hills
- 02051 [C]
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.
CDC Health Data for Marshfield Hills
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
Climate-Related Water Risk for Marshfield Hills
Over the multi-decade window covered by the National Flood Insurance Program, Marshfield Hills has accumulated 12 claims — a total that suggests more than isolated flood exposure. With 100% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Marshfield Hills has a moderate flood history with 12 FEMA claims averaging $8,368 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 Marshfield Hills
- 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.
Deep Dive Reports
Detailed analysis for Marshfield Hills, MA