Yarmouth Port, MA Water Safety: 55/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-04
While Yarmouth Port avoids MA's lowest safety tiers, a portion of its water systems have logged documented violations.
How Yarmouth Port Compares
Data: EPA SDWIS Last verified: 2026-06-04
Key Facts for Yarmouth Port Residents
- Homes built before 1986: 64% — older plumbing may contain lead solder.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 12.93 — above typical levels.
Yarmouth Port's Water Providers
Residential addresses in Yarmouth Port, MA are served by 3 primary water providers out of 3 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
Overview
We track water quality and home safety data for 1 ZIP code in Yarmouth Port, Massachusetts (population ~6,919), covering 3 community water systems serving approximately 109,300 people region-wide.
No EPA violations recorded across any ZIP codes in Yarmouth Port — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Yarmouth Port: 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
Yarmouth Port water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Yarmouth Port
- 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 |
|---|---|---|---|
| 02675 | C | Yarmouth Water Department | 38,900 |
All ZIP Codes in Yarmouth Port
- 02675 [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.
Yarmouth Port 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
Yarmouth Port Infrastructure Age
With 64% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Yarmouth Port's housing stock is predominantly older, with a median build year of 1989 that reflects decades of construction before federal plumbing standards were tightened. The 1986 ban on lead solder and the pre-1970 era of lead service lines are both relevant benchmarks here — a significant share of the residential inventory predates one or both of those cutoffs, creating an elevated baseline for plumbing-related lead risk that aggregate water quality data may not fully reflect at the household level.
Over half of homes in Yarmouth Port were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Yarmouth Port
Within the Yarmouth Port market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Yarmouth Port are relatively low compared to home values. The $1,200–$3,400 estimated range is a small fraction of median property value. Home values are 3% below the Massachusetts average.
Yarmouth Port: 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.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 64% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Yarmouth Port.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Yarmouth Port: Flood History & Water Damage Risk
Flood exposure in Yarmouth Port is meaningful by NFIP measures — 22 claims on record and 100% of ZIP codes carrying FEMA flood zone designations. That level of activity makes flood history a relevant factor when evaluating local water quality over time.
Yarmouth Port has a moderate flood history with 22 FEMA claims averaging $6,444 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 Yarmouth Port
- 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. With 64% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Yarmouth Port, MA