Manchester Water Department
EPA ID: CT0770021 · 51,198 people served · 7 ZIP codes
Right now, Manchester Water Department shows 1 EPA violation marked active and unresolved — the provider continues to supply approximately 51,198 residents while each finding awaits closure.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2021) to 4 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Manchester Water Department Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Manchester Water Department serves a community with a median household income of $89,132 and an estimated 145,981 residents across its service area. Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Manchester 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.
Superfund Proximity Note: This service area ranks in the 61th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Manchester Water Department compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Contaminant 1045 at 1 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 1 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. 38 detections recorded. 10 exceed federal EPA limits (4 ppt for PFOA/PFOS). 5 exceed state limits.
Chlorite was detected in this water system. ferrous sulfate reduction filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
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.
System Overview
Manchester Water Department (EPA ID: CT0770021) is a community water system in Connecticut that serves approximately 51,198 people from surface water sources.
This system provides water to 7 ZIP codes across 4 communities.
Average Home Safety Score: A (90/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| November 1, 2024 | Chlorite | Monitoring | Resolved |
| August 10, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Contaminant 1045 | Other Violation | 1 | No |
| Chlorite | Disinfection Byproducts | 1 | No |
| Consumer Confidence Report Rule | Reporting Failure | 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 |
|---|---|---|---|
| 06040 | 0.002 mg/L | No | N/A |
| 06041 | 0.002 mg/L | No | N/A |
| 06042 | 0.002 mg/L | No | N/A |
| 06045 | 0.002 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: 5 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 2 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.
- 06033 — Glastonbury
- 06040 — Manchester
- 06041 — Manchester
- 06042 — Manchester
- 06045 — Manchester
- 06066 — Vernon Rockville
- 06074 — South Windsor
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Manchester Water Department (CT0770021) on EPA.gov.
Frequently Asked Questions
Is Manchester Water Department water safe to drink?
Manchester Water Department has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Manchester Water Department serve?
Manchester Water Department serves approximately 51,198 people across 7 ZIP codes in Connecticut.
Where does Manchester Water Department get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Above Current MCL
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). One or more PFAS compounds were measured above the current state-enforceable MCL.
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 →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
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.
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
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Manchester Water Department (EPA ID: CT0770021) — request the latest Consumer Confidence Report or ask about specific contaminants.