Hawleyville, CT: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Water monitoring data from Hawleyville, CT tells a below-average story — health violations are present and system-level detail is worth reviewing before drawing conclusions.
How Hawleyville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Systems Serving Hawleyville
Because residential water in Hawleyville, CT flows primarily through a single utility, infrastructure decisions, rate-setting, and EPA compliance are all managed within one organizational structure. Federal records show 1 system active in the area, but one provider dominates the service landscape for most homes and apartments.
Overview
We track water quality and home safety data for 1 ZIP code in Hawleyville, Connecticut, covering 1 community water system serving approximately 6,054 people.
No EPA violations recorded across any ZIP codes in Hawleyville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Hawleyville: D (40/100)
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
Hawleyville water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Hawleyville
- 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 06440 | D | AQUARION-NEWTOWN REGIONAL | 6,054 |
All ZIP Codes in Hawleyville
- 06440 [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.
What You Can Do in Hawleyville
- 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. 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 Hawleyville, CT