Cornell Hills Assoc, Inc.
EPA ID: CT0340181 · 108 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Cornell Hills Assoc, Inc. (CT0340181): 2 unresolved EPA violations on record. Tallying the federal enforcement file for Cornell Hills Assoc, Inc. yields 2 open violations that have not been formally closed - each finding sits in the EPA database while the utility continues to deliver water to approximately 108 residents and works through the required corrective action process.
Data: EPA SDWIS
Service Area Map
Coverage area for Cornell Hills Assoc, Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Cornell Hills Assoc, Inc. serves a community with a median household income of $107,519 and an estimated 30,526 residents across its service area. Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Cornell Hills Assoc, Inc.'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 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Cornell Hills Assoc, Inc. compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Consumer Confidence Report Rule at 5 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 5 presence exceeds the EPA maximum of presence.
Surface Water Treatment Rule at 3 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. 4 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
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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
Cornell Hills Assoc, Inc. (EPA ID: CT0340181) is a community water system in Connecticut that serves approximately 108 people from surface water sources.
This system serves ZIP code 06811 in Danbury.
Violation History
Status breakdown for accepted records with record years 2021-2026: 16 resolved, 0 archived, 0 addressed, and 2 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 |
|---|---|---|---|
| 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) |
| August 10, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| December 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| December 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| November 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| November 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| October 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| October 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| October 1, 2022 | Stage 1 DBP Rule | Non-health-based | Resolved |
| September 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| September 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| August 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| August 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| September 1, 2021 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| September 1, 2021 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 5 | No |
| Revised Total Coliform Rule | Microbiological | 5 | No |
| Surface Water Treatment Rule | Treatment Failure | 3 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | 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 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.
- 06811 - Danbury
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cornell Hills Assoc, Inc. (CT0340181) on EPA.gov.
Frequently Asked Questions
Is Cornell Hills Assoc, Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Cornell Hills Assoc, Inc.. 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 Cornell Hills Assoc, Inc. serve?
Cornell Hills Assoc, Inc. serves approximately 108 people across 1 ZIP code in Connecticut.
Where does Cornell Hills Assoc, Inc. get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Cornell Hills Assoc, Inc. (CT): 1 Health Violation. https://zipcheckup.com/water-system/ct0340181/
@misc{zipcheckup-water-system-ct0340181,
author = {{ZipCheckup}},
title = {{Cornell Hills Assoc, Inc. (CT): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ct0340181/}
}
What You Can Do
Test your water
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Check your specific ZIP code
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Contact your utility
Cornell Hills Assoc, Inc. (EPA ID: CT0340181) - request the latest Consumer Confidence Report or ask about specific contaminants.