Waterbury, CT: 11 Violations - Home Safety 64/100
16 ZIP codes · 4 water systems · Updated
ZipCheckup grade for Waterbury: C.
A mixed picture - some signals here are worth your attention.
Waterbury lands in the middle of the grade scale in CT; EPA records can differ from one service area to the next.
How Waterbury Compares
Data: EPA SDWIS
Water Quality Map: Waterbury, CT
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Waterbury's 5 ZIP codes.
Key Facts for Waterbury Residents
- Your city's water systems recorded 11 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0007 mg/L.
Waterbury's Water Providers
Among 4 systems linked to Waterbury, CT, the 3 biggest by population served appear below.
- C
- C
- C
Overview
We track home safety data for 16 ZIP codes in Waterbury, Connecticut (population ~114,453), covering 4 community water systems serving approximately 558,878 people region-wide. The EPA snapshots used for this build directly map water systems to 6 of 16 ZIP codes.
6 of 6 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Waterbury: C (64/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Waterbury water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0007 mg/L (EPA action level: 0.015 mg/L)
- 0 of 6 ZIP codes with known status exceed the EPA lead action level
Radon Risk
16 of 16 ZIP records with known zones are in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Rule | Reporting | 36 | 6 |
| Lead and Copper Rule | Treatment Technique | 16 | 6 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 06704 | C | 11 | 0 | Waterbury Water Department |
| 06708 | C | 11 | 0 | Waterbury Water Department |
| 06702 | C | 6 | 0 | Waterbury Water Department |
| 06705 | C | 6 | 0 | Waterbury Water Department |
| 06706 | C | 6 | 0 | Waterbury Water Department |
| 06710 | — | 6 | 0 | Waterbury Water Department |
All ZIP Codes in Waterbury
- 06701
- 06702 [C] - 6 violations
- 06703
- 06704 [C] - 11 violations
- 06705 [C] - 6 violations
- 06706 [C] - 6 violations
- 06708 [C] - 11 violations
- 06710 - 6 violations recorded for mapped water systems
- 06720
- 06721
- 06722
- 06723
- 06724
- 06725
- 06726
- 06749
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
What's in Waterbury's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Waterbury: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Available area-level lead records for Waterbury do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Waterbury: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Waterbury contains 98 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $23,905. Among ZIP codes with claim records, 14% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Waterbury
- Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
- Install a certified water filter. For Consumer Confidence Rule, listed in the water-quality records for Waterbury: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Waterbury, CT