Fairfield Hills
EPA ID: CT0970021 · 2,610 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Fairfield Hills (CT0970021): 3 unresolved EPA violations on record. Based on the latest federal compliance data, Fairfield Hills has 3 violations that the EPA has not yet closed - those outstanding findings are part of the enforcement record for a utility that delivers water to approximately 2,610 people throughout its service territory.
Data: EPA SDWIS
Service Area Map
Coverage area for Fairfield Hills Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Fairfield Hills serves a community with a median household income of $147,160 and an estimated 27,384 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Fairfield Hills's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Fairfield Hills compares to EPA limits
What This Means For You
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP 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. 16 detections recorded. 4 exceed federal EPA limits (4 ppt for PFOA/PFOS). 2 exceed state limits.
Comparable Water Systems
Similar-sized systems in Connecticut
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
Fairfield Hills (EPA ID: CT0970021) is a community water system in Connecticut that serves approximately 2,610 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 0 archived, 0 addressed, and 3 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 10, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2025 | Stage 1 DBP Rule | Non-health-based | Unaddressed (current) |
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unaddressed (current) |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.004 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CT or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Fairfield Hills (CT0970021) on EPA.gov.
Frequently Asked Questions
Is Fairfield Hills water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Fairfield Hills. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Fairfield Hills serve?
Fairfield Hills serves approximately 2,610 people across 2 ZIP codes in Connecticut.
Where does Fairfield Hills get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Fairfield Hills (CT): 1 Health Violation. https://zipcheckup.com/water-system/ct0970021/
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title = {{Fairfield Hills (CT): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ct0970021/}
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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
Fairfield Hills (EPA ID: CT0970021) - request the latest Consumer Confidence Report or ask about specific contaminants.