Hopkinton, RI: 5 Health Violations — 59/100 (2026)
1 ZIP code · 5 water systems · Updated 2026-06-03
Across water systems in Hopkinton, safety results are uneven — a portion carry active or recent violations, while others meet federal standards without incident, placing the city in the middle tier for RI.
How Hopkinton Compares
Data: EPA SDWIS Last verified: 2026-06-03
Hopkinton Water: The Quick Version
- Your city's water systems recorded 43 violations in the past 5 years.
- Average lead level: 0.0028 mg/L.
- Homes built before 1986: 50% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 11.41.
Water Systems Serving Hopkinton
Hopkinton, RI is covered by 3 major water utilities out of 5 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.
Overview
We track water quality and home safety data for 1 ZIP code in Hopkinton, Rhode Island, covering 5 community water systems serving approximately 662 people.
1 of 1 ZIP code (100%) have recorded EPA violations. 5 health-based violations documented.
Home Safety Score
Average Home Safety Score for Hopkinton: C (59/100)
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
Hopkinton water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0028 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 42 | 1 |
| Lead and Copper Rule | Treatment Technique | 10 | 1 |
| Consumer Confidence Report Rule | Reporting | 10 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 8 | 1 |
| Contaminant 2959 | Other | 6 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 02833 | C | 43 | 5 | Lindhbrook Water Company |
All ZIP Codes in Hopkinton
- 02833 [C] — 43 violations ⚠
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 Hopkinton
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
Key Contaminants Detected in Hopkinton
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Hopkinton's Housing Stock?
With 50% 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
When a city's housing median build year is 1984, as in Hopkinton, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.
Over half of homes in Hopkinton 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.
Hopkinton: Remediation Cost in Perspective
Property equity in Hopkinton sits at a moderate ratio to estimated remediation costs — a classification that reframes the household financial perspective from routine maintenance to deliberate budgeting, where most homeowners have a realistic path to addressing documented water and safety issues if they map the financial commitment against available resources before committing to scope.
Remediation costs are moderate relative to home values in Hopkinton. The estimated $1,900–$4,800 range is manageable for most homeowners but still worth budgeting for. Home values are 34% below the Rhode Island average.
Protecting Children from Lead in Hopkinton
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.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 50% of the Hopkinton inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Hopkinton
Flood risk in Hopkinton occupies the middle ground: 1 NFIP claim and 100% of local ZIP codes within FEMA flood zones. At that level, the risk pathways connecting flooding to water quality — treatment system stress, well infiltration, distribution backflow — become relevant considerations during significant flood events, even if day-to-day water quality is unaffected by flood history.
Hopkinton has a moderate flood history with 1 FEMA claims averaging $4,797 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>$3,000</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 Hopkinton
- 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. Filters rated for Stage 1 DBP Rule can reduce the most common contaminant found in Hopkinton's water.
- Check your home's plumbing. With 50% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Hopkinton, RI