Health Violations Found CT 2 HEALTH VIOLATIONS

Waterbury Water Department

EPA ID: CT1510011 · 107,271 people served · 21 ZIP codes

Waterbury Water Department shows 3 open EPA violations in current federal records for approximately 107,271 people.

Data: EPA SDWIS Last verified: 2026-04-02

C · 62
Avg Safety Score
107,271
People Served
21
ZIP Codes Served
22
Violations (5yr)
Surface Water
Water Source
0.003 mg/L
Max Lead Level
Zone 1
Radon Risk · High
7
Contaminants Flagged

Compliance Trajectory

Worsening · Risk tier: High · 95% chance of violation in next 12 months

Violations went from 1 (2023) to 35 (2024). The pattern suggests growing compliance challenges.

Service Area Map

Coverage area for Waterbury Water Department Source: EPA SDWIS service area boundaries.

Service area boundary — Grade C

Service Area Demographics

$63,705
Median Household Income
192,089
Service Area Population
24%
Disadvantaged Population
30th
Poverty Percentile
70th
Energy Burden Percentile
80%
Pre-1986 Housing

The Waterbury Water Department serves a community with a median household income of $63,705 and an estimated 192,089 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

🌊 Where Does Your Water Come From?

Surface Water

Waterbury Water Department's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Elevated Risk
Source Contamination Risk
49th
Wastewater Discharge Proximity
59th
Superfund Site Proximity

Infrastructure Risk

57 yr
Avg Pipe Age
Unknown
Pipe Material
13 yr
Est. Remaining Life
Accelerating Decay
Decay Status
Installed 81% of expected lifespan used End of life

Detected Contaminants

How Waterbury Water Department compares to EPA limits

What This Means For You

Stage 1 DBP Rule at 9 mg/L exceeds the EPA maximum of mg/L.

Surface Water Treatment Rule at 4 mg/L exceeds the EPA maximum of mg/L.

Consumer Confidence Report Rule at 3 mg/L exceeds the EPA maximum of mg/L.

Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.

Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS).

State limits: PFOA: 0.012 ppt, PFOS: 0.016 ppt, PFHxS: 0.018 ppt, PFHpA: 0.018 ppt, PFNA: 0.013 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter →

Comparable Water Systems

Similar-sized systems in Connecticut

B 15 violations
Aquarion-stamford
119,214 people
0 violations
A 4 violations
Danbury Water Department
62,055 people
C 9 violations
Meriden Water Division
58,441 people
C 5 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance Water Filtration PFAS Treatment
Radon Mitigation $1,086
Flood Insurance $857
Water Filtration $257
PFAS Treatment $57
Total Estimated Cost $2,257

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,500

Annual per household (CDC est.)

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$7,665
10 years
$15,330
20 years
$30,660

Compare: Estimated remediation cost is $2,257 (one-time) vs. $15,330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Waterbury Water Department (EPA ID: CT1510011) is a community water system in Connecticut that serves approximately 107,271 people from surface water sources.

This system provides water to 21 ZIP codes across 6 communities.

Average Home Safety Score: C (62/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

2 health-based violations recorded in the past 5 years. 3 remain unresolved.

Recent Violations

Date Contaminant Type Status
August 10, 2025 Surface Water Treatment Rule Monitoring Resolved
April 1, 2025 Stage 1 DBP Rule Monitoring Resolved
October 17, 2024 Stage 2 DBP Rule Health-based Unresolved
October 17, 2024 Stage 2 DBP Rule Monitoring Unresolved
September 29, 2024 Stage 1 DBP Rule Monitoring Resolved
July 1, 2024 Surface Water Treatment Rule Monitoring Resolved
April 19, 2024 Lead and Copper Rule Monitoring Resolved
January 30, 2024 Consumer Confidence Report Rule Health-based Resolved
January 3, 2024 Total Coliform Monitoring Resolved
January 1, 2024 Stage 1 DBP Rule Monitoring Unresolved
September 29, 2023 Stage 1 DBP Rule Monitoring Resolved
May 1, 2023 Consumer Confidence Report Rule Monitoring Resolved
April 1, 2023 Consumer Confidence Report Rule Monitoring Resolved
April 1, 2023 Revised Total Coliform Rule Monitoring Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Stage 1 DBP Rule Treatment Failure 9 No
Surface Water Treatment Rule Treatment Failure 4 No
Consumer Confidence Report Rule Reporting Failure 3 Yes
Stage 2 DBP Rule Treatment Failure 2 Yes
Lead and Copper Rule Treatment Failure 2 No
Total Coliform Microbiological 1 No
Revised Total Coliform Rule Microbiological 1 No

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
06762 0.003 mg/L No N/A
06701 0.00001 mg/L No N/A
06702 0.00001 mg/L No N/A
06703 0.00001 mg/L No N/A
06704 0.00001 mg/L No N/A
06705 0.00001 mg/L No N/A
06706 0.00001 mg/L No N/A
06708 0.00001 mg/L No N/A
06710 0.00001 mg/L No N/A
06720 0.00001 mg/L No N/A
06721 0.00001 mg/L No N/A
06722 0.00001 mg/L No N/A
06723 0.00001 mg/L No N/A
06724 0.00001 mg/L No N/A
06725 0.00001 mg/L No N/A
06726 0.00001 mg/L No N/A
06749 0.00001 mg/L No N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Coverage: 11 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 10 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Waterbury Water Department (CT1510011) on EPA.gov.

Frequently Asked Questions

Is Waterbury Water Department water safe to drink?

Waterbury Water Department has recorded 2 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

How many people does Waterbury Water Department serve?

Waterbury Water Department serves approximately 107,271 people across 21 ZIP codes in Connecticut.

Where does Waterbury Water Department get its water?

The primary water source is surface water.

Federal UCMR5 PFAS Monitoring: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
116

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →

Understand PFAS health context and filtration →

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

952
Confirmed Lead
128
Galvanized — Replacement Required
0
Unknown Material
26,825
Confirmed Non-Lead

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2025-01-01 did not exceed the federal lead action level.
Population served: 107,271
Reported to Connecticut

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

How Water Systems Appear in Rankings

Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.

Frequently Asked Questions

Is water from Waterbury Water Department safe to drink? ▼
Waterbury Water Department has a C safety grade based on 22 recorded violations. Some contaminants may exceed EPA limits — independent testing is recommended.
What contaminants are in Waterbury Water Department's water? ▼
Detected contaminants include Stage 1 DBP Rule, Surface Water Treatment Rule, Consumer Confidence Report Rule, Stage 2 DBP Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter? ▼
Given 5 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Waterbury Water Department serve? ▼
Waterbury Water Department serves approximately 107,271 people with drinking water across 21 ZIP codes.
What is Waterbury Water Department's water source? ▼
Waterbury Water Department draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in Waterbury Water Department's water? ▼
The maximum detected lead level is 0.003 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Waterbury Water Department's service area? ▼
The Waterbury Water Department service area has a median household income of $63,705. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Waterbury Water Department get its water? ▼
Waterbury Water Department's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. Based on violation history and environmental factors, the source contamination risk is currently elevated.

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Waterbury Water Department (EPA ID: CT1510011) — request the latest Consumer Confidence Report or ask about specific contaminants.

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