Plymouth, MA: 12 Violations — 70/100 (2026)
3 ZIP codes · 6 water systems · Updated 2026-06-03
Compared to statewide averages in MA, Plymouth scores well — health violations are below the norm and systems generally operate within federal standards.
How Plymouth Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Plymouth Residents
- Your city's water systems recorded 12 violations in the past 5 years.
- Average lead level: 0.0025 mg/L.
- Estimated remediation: $1,967 per household.
- CDC health risk index: 12.05 — above typical levels.
Plymouth's Water Providers
Plymouth, MA draws its residential water from 3 separate providers among the 6 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 3 ZIP codes in Plymouth, Massachusetts, covering 6 community water systems serving approximately 62,405 people.
3 of 3 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Plymouth: B (70/100)
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
Plymouth water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0025 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 3 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 12 | 3 |
| Atrazine | Organic | 4 | 3 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 02360 | C | 4 | 0 | Plymouth Water Department |
| 02361 | B | 4 | 0 | Plymouth Water Department |
| 02362 | B | 4 | 0 | Plymouth Water Department |
All ZIP Codes in Plymouth
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.
Plymouth Community Health Snapshot
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's in Plymouth's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Plymouth
When estimated remediation is placed alongside median property values in Plymouth, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.
Remediation costs in Plymouth are relatively low compared to home values. The $1,033–$3,100 estimated range is a small fraction of median property value. Home values are 12% below the Massachusetts average.
Plymouth: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Plymouth appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Plymouth: Flood History & Water Damage Risk
Flood activity in Plymouth is neither negligible nor at the level of the highest-exposure areas in the NFIP dataset. The 309-claim record and 100% flood zone coverage suggest a community that has experienced recurrent events but has not faced the kind of sustained, severe exposure where water-supply contamination becomes a primary public health concern. It sits in a middle range where flood history merits inclusion in any complete local water quality picture.
Plymouth has a moderate flood history with 309 FEMA claims averaging $16,710 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>$1,967</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.
Deep Dive Reports
Detailed analysis for Plymouth, MA