Bridgeport, CT: High Radon Risk — 41/100 (2026)
10 ZIP codes · 2 water systems · Updated 2026-06-03
Systems across Bridgeport show elevated violation counts against CT benchmarks — the low safety grade reflects that ongoing compliance pattern.
How Bridgeport Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Bridgeport, CT
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in Bridgeport score across all safety grades.
What You Should Know About Bridgeport Water
- Homes built before 1986: 87% — older plumbing may contain lead solder.
- Estimated remediation: $2,460 per household.
Who Supplies Your Water in Bridgeport
Structurally, Bridgeport, CT's water supply is divided. Federal data identifies 2 water systems in the area, with 2 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 10 ZIP codes in Bridgeport, Connecticut (population ~148,012), covering 2 community water systems serving approximately 351,828 people region-wide.
No EPA violations recorded across any ZIP codes in Bridgeport — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Bridgeport: D (41/100)
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
Bridgeport water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Bridgeport
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 10 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 06601 | D | ESSEX GARDENS | 72 |
| 06602 | D | ESSEX GARDENS | 72 |
| 06604 | F | AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| 06605 | F | AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| 06606 | F | AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| 06607 | D | AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| 06608 | D | AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| 06610 | D | AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| 06673 | D | ESSEX GARDENS | 72 |
| 06699 | D | ESSEX GARDENS | 72 |
All ZIP Codes in Bridgeport
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.
Housing & Infrastructure in Bridgeport
With 87% 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
Because the majority of Bridgeport's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1939 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in Bridgeport 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 Bridgeport Homeowners
The cost-to-value ratio in Bridgeport is in the moderate range — neither dismissible nor alarming, but above the threshold where remediation can be treated as incidental. Most homeowners here are weighing a real equity commitment, and the moderate classification reflects that accurately.
Remediation costs are moderate relative to home values in Bridgeport. The estimated $1,640–$3,310 range is manageable for most homeowners but still worth budgeting for. Home values are 43% below the Connecticut average.
Lead Exposure Risk for Children in Bridgeport
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.
Routinely in Bridgeport, where 87% of housing predates the solder ban and aggregate utility readings hover near the federal threshold, a faucet-level draw functions as a standard household step for families with small kids.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Bridgeport
Unlike communities where NFIP data shows minimal flood history, Bridgeport's record documents 939 claims and 70% of ZIP codes inside FEMA flood zones — a combination that moves flood-related water quality risk from the background into the foreground of any complete local water assessment. Flooding can overwhelm treatment capacity, contaminate wells, and trigger distribution backflow; at this level of exposure, those mechanisms have likely been activated during significant flood events.
Bridgeport has a significant flood history with 939 FEMA flood insurance claims on record, averaging $14,549 per claim. With 70% 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>$2,460</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 Bridgeport
- 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 87% 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 Bridgeport, CT