Humarock, MA Water Safety: 45/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Water systems serving Humarock record elevated violation rates against MA benchmarks — residents in affected areas may want to check their local system's current compliance status.
How Humarock Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Humarock Water
- Homes built before 1986: 80% — older plumbing may contain lead solder.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 12.05 — above typical levels.
Who Supplies Your Water in Humarock
Residential addresses in Humarock, MA are served by 2 primary water providers out of 2 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 Humarock, Massachusetts (population ~142), covering 2 community water systems serving approximately 53,297 people region-wide.
No EPA violations recorded across any ZIP codes in Humarock — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Humarock: D (45/100)
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
Humarock water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Humarock
- 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 |
|---|---|---|---|
| 02047 | D | MARSHFIELD WATER DEPARTMENT | 34,000 |
All ZIP Codes in Humarock
- 02047 [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 Humarock
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
Housing & Infrastructure in Humarock
With 80% 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
For residents trying to assess tap water risk in Humarock, the median build year of 1943 is the starting context. It signals that a majority of homes were constructed before 1986 — the year federal rules prohibited lead solder in new plumbing — and that a significant share likely predates 1970, when lead pipes were still a common choice for residential service connections. Neither risk tier is rare in this housing inventory.
Over half of homes in Humarock 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.
Cost Context: What Remediation Means for Humarock Homeowners
When estimated remediation is placed alongside median property values in Humarock, 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 Humarock 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 24% above the Massachusetts average.
Lead Exposure Risk for Children in Humarock
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.
If 80% of the Humarock inventory comes from before the federal ban on lead-bearing solder — and if utility samples sit at or near 0.015 mg/L — the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Humarock
Because Humarock's NFIP claim count reaches 517 and 100% of ZIP codes fall within FEMA-designated flood zones, flood exposure here operates differently than it does in lower-claim communities. In areas with isolated flood events, water-quality infrastructure can typically absorb the stress and recover between events. In communities with repeated high-volume flooding, treatment plants face recurring overload conditions, private wells in FEMA-designated zones accumulate repeated infiltration episodes, and distribution systems experience repeated pressure events that can drive backflow. The claim record for this area points to that second category: a flood environment where water infrastructure stress is periodic and documented, not theoretical.
Humarock has a significant flood history with 517 FEMA flood insurance claims on record, averaging $13,942 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
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 Humarock
- 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 80% of homes built before 1986, lead solder is a real possibility.
- 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 Humarock, MA