Westport, CT Water Safety: 47/100 (2026)
4 ZIP codes · 3 water systems · Updated 2026-06-03
For households across Westport, below-average water safety data and recurring compliance violations documented by CT EPA records make it worthwhile to verify the specific system serving your address — system-level detail is the most actionable reference point available.
How Westport Compares
Data: EPA SDWIS Last verified: 2026-06-03
Westport's Water Providers
Across Westport, CT, residential water comes from 3 primary utilities rather than a single consolidated provider. Each system operates independently — managing its own distribution infrastructure, rate schedules, and EPA compliance filings. Federal records track 3 water systems in the area, with these top providers accounting for the majority of residential connections.
Overview
We track water quality and home safety data for 4 ZIP codes in Westport, Connecticut (population ~27,364), covering 3 community water systems serving approximately 454,067 people region-wide.
No EPA violations recorded across any ZIP codes in Westport — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Westport: D (47/100)
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
Westport water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Westport
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 1 ZIP code
- Zone 2 (Moderate): 3 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 06880 | D | NORWALK FIRST TAXING DISTRICT | 40,256 |
| 06881 | D | NORWALK FIRST TAXING DISTRICT | 40,256 |
| 06888 | D | DANBURY WATER DEPARTMENT | 62,055 |
| 06889 | D | NORWALK FIRST TAXING DISTRICT | 40,256 |
All ZIP Codes in Westport
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.
How Remediation Costs Compare in Westport
At current valuations, Westport sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Westport are relatively low compared to home values. The $600–$1,800 estimated range is a small fraction of median property value. Home values are 205% above the Connecticut average.
Westport: Flood History & Water Damage Risk
Across the NFIP's long tracking period, Westport shows 1892 claims and 25% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.
Westport has a moderate flood history with 1,892 FEMA claims averaging $22,957 per payout. 25% 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>$1,200</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 Westport
- 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 Westport, CT