Cheshire, CT: 3 Health Violations — 49/100 (2026)
3 ZIP codes · 5 water systems · Updated 2026-06-03
Water systems serving Cheshire record elevated violation rates against CT benchmarks — residents in affected areas may want to check their local system's current compliance status.
How Cheshire Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Cheshire Water
- Your city's water systems recorded 48 violations in the past 5 years.
- Estimated remediation: $2,500 per household.
Who Supplies Your Water in Cheshire
Residential water in Cheshire, CT is supplied by 3 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 5 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 3 ZIP codes in Cheshire, Connecticut (population ~28,792), covering 5 community water systems serving approximately 557,761 people region-wide.
3 of 3 ZIP codes (100%) have recorded EPA violations. 3 health-based violations documented.
Home Safety Score
Average Home Safety Score for Cheshire: D (49/100)
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
Cheshire water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Cheshire
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 3 ZIP codes
- Zone 2 (Moderate): 0 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 |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 40 | 3 |
| Stage 1 DBP Rule | Treatment Technique | 8 | 3 |
| Stage 2 DBP Rule | Treatment Technique | 8 | 3 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | 3 |
| Lead and Copper Rule | Treatment Technique | 4 | 3 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 06408 | D | 16 | 1 | Crestview Condominium Association |
| 06410 | D | 16 | 1 | Regional Water Authority |
| 06411 | D | 16 | 1 | Crestview Condominium Association |
All ZIP Codes in Cheshire
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.
Top Contaminants in Cheshire Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Cheshire Homeowners
When remediation costs are measured against Cheshire home values, the resulting ratio is in the low tier — addressing documented water and safety issues here claims only a minor fraction of typical equity, and most homeowners are in a position where the financial commitment is straightforward rather than a material burden on their household budget.
Remediation costs in Cheshire are relatively low compared to home values. The $1,617–$3,500 estimated range is a small fraction of median property value. Home values are 3% above the Connecticut average.
Flood & Climate Risk in Cheshire
Flood history in Cheshire spans 53 NFIP claims and 33% flood zone coverage — enough to place it in moderate-exposure territory where flood events are genuinely recurring rather than statistical outliers. That distinction matters for water quality assessment because the connection between flooding and water safety is not uniform across communities. In low-exposure areas, flooding rarely generates the conditions needed to compromise treatment or distribution infrastructure. In high-exposure areas, it can do so repeatedly. Moderate-exposure communities sit in between: flood events occur with enough frequency to make periodic infrastructure stress a reasonable concern, particularly for private well owners and residents in lower-elevation FEMA-designated zones.
Cheshire has a moderate flood history with 53 FEMA claims averaging $7,439 per payout. 33% 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>$2,500</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 Cheshire
- 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 Surface Water Treatment Rule can reduce the most common contaminant found in Cheshire's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- 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 Cheshire, CT