Water Quality Report

North Windham, CT (06256): 1 Violation Recorded for Mapped Water Systems

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Windham Water Works)

PFAS Detected

EPA records for the water systems mapped to 06256 in North Windham, CT contain 1 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality Concerns 1 non-health-based violation record in EPA data
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2025-12-31
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 1 violation (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
Contaminant Summary
Violations on record (not health-based)
1 violation PFAS detected
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
2
Water Systems
21,214
People Served
0
Health Violations (since 2021)
Surface water
Water Source
Zone 2
County Radon Potential · Moderate
$182K
Median Home Value48% below state median ($349K)

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
98/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
Unknown
Indoor environment
50/100
Outdoor environment
100/100

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (8) HIGH

Your Water System

ZIP code 06256 in North Windham, Connecticut is mapped to the water system Windham Water Works (EPA ID: CT1630011). This system provides water to approximately 21,214 people from surface water sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Windham Water Works CT1630011 21,214 Surface water
Wyndham Park Apartments CT1630021 312 Groundwater

Other Water Quality Reports in Connecticut

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Windham Water Works (CT1630011) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 06256.

Detected compounds: PFHxA.

Highest measured level: 0.0034 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (9) MODERATE
Home & Infrastructure (8) OK
Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in North Windham

Based on local data for ZIP 06256, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Gutter Installation & Repair

The median home in 06256 was built around 1984. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in North Windham is 1984; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 06256 safe to drink?

EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 06256 (primary system: Windham Water Works), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 06256's water come from?

The recorded water source for Windham Water Works, a system mapped to ZIP code 06256, is Surface water. This system serves approximately 21,214 people.

How can I get my water tested in North Windham?

If Windham Water Works supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

What is the radon risk for 06256?

06256 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Windham County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 06256's water?

Yes, PFAS have been detected in samples from water systems mapped to 06256. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

How to cite this page

APA ZipCheckup. (2026). North Windham, CT (06256): 1 Violation Recorded for Mapped Water Systems. https://zipcheckup.com/report/06256/
BibTeX 
@misc{zipcheckup-report-06256,
  author = {{ZipCheckup}},
  title  = {{North Windham, CT (06256): 1 Violation Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/06256/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 06256

ZIP Code City, State Distance Grade Violations
06250 Mansfield Center, CT 2.7 mi B 11
06280 Windham, CT 3.0 mi N/A 1
06226 Willimantic, CT 3.5 mi B 1
06235 Chaplin, CT 4.1 mi N/A 0
06247 Hampton, CT 5.1 mi N/A 0
06264 Scotland, CT 5.1 mi N/A 0
06266 South Windham, CT 5.4 mi N/A 1
06268 Storrs Mansfield, CT 5.9 mi D 55
06269 Storrs Mansfield, CT 6.4 mi C 10
06237 Columbia, CT 8.3 mi N/A 0

Contaminants Detected in 06256

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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Coverage: 15/17 risk factors Data sources →
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