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Community Water System · PWS CT0990011

Blue Trails Water Association

Durham, Connecticut 06422 - drinking water served from groundwater sources to 228 people, tracked in EPA SDWIS and UCMR5.

228
People served
178
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 178 drinking-water violations at Blue Trails Water Association, 5% of them health-based - above the Connecticut per-system average.

178
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
228
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Blue Trails Water Association

Blue Trails Water Association is a private-owned community water system that delivers drinking water to 228 residents in Durham, Connecticut (New Haven County) through 56 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 9 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 49 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 27 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Connecticut, EPA tracks 2,332 public water systems serving 2,886,005 people, with 206,662 cumulative violations and 21,779 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 88.6 violations. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%).

Blue Trails Water Association's 178 violations sit above the Connecticut average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
228
Total Violations
178
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
56
County
New Haven
School/Daycare
No
MCL Violations
8
Monitoring Violations
49
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 27 2025
Lead and Copper Rule MR 20 2024
Nitrate MR 4 2011
Nitrite MR 4 2011
Revised Total Coliform Rule MCL 4 2022
Coliform (TCR) MCL 4 1993
p-Dichlorobenzene Other 2 1993
1,2-Dichloroethane Other 2 1993
Carbon tetrachloride Other 2 1993
Trichloroethylene Other 2 1993
Chloromethane Other 2 1993
Bromomethane Other 2 1993
Chloroethane Other 2 1993
cis-1,2-Dichloroethylene Other 2 1993
1,3-Dichloropropane Other 2 1993
1,3-DICHLOROPROPENE Other 2 1993
Bromodichloromethane Other 2 1993
Dibromochloromethane Other 2 1993
ETHYLENE DIBROMIDE Other 2 1993
o-Chlorotoluene Other 2 1993
1,1-Dichloroethane Other 2 1993
1,2-Dichloropropane Other 2 1993
1,1,2-Trichloroethane Other 2 1993
1,1,1,2-Tetrachloroethane Other 2 1993
1,1,2,2-Tetrachloroethane Other 2 1993
Toluene Other 2 1993
Bromobenzene Other 2 1993
m-Xylene Other 2 1993
Styrene Other 2 1993
1,1,1-Trichloroethane Other 2 1993

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Blue Trails Water Association.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CT0990011 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Connecticut Drinking Water Authority

Connecticut's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find CT regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Consumer Confidence Rule Other 27 SDWIS / CT0990011 / 7000
2024 Lead and Copper Rule MR 20 SDWIS / CT0990011 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT0990011 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT0990011 / 5200
2022 Revised Total Coliform Rule MCL 4 SDWIS / CT0990011 / 8000
2022 Public Notice Other 2 SDWIS / CT0990011 / 7500
2011 Nitrate MR 4 SDWIS / CT0990011 / 1040
2011 Nitrite MR 4 SDWIS / CT0990011 / 1041
1993 Coliform (TCR) MCL 4 SDWIS / CT0990011 / 3100
1993 p-Dichlorobenzene Other 2 SDWIS / CT0990011 / 2969
1993 1,2-Dichloroethane Other 2 SDWIS / CT0990011 / 2980
1993 Carbon tetrachloride Other 2 SDWIS / CT0990011 / 2982
1993 Trichloroethylene Other 2 SDWIS / CT0990011 / 2984
1993 Chloromethane Other 2 SDWIS / CT0990011 / 2210
1993 Bromomethane Other 2 SDWIS / CT0990011 / 2214

How Blue Trails Water Association Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Blue Trails Water Association Connecticut avg Federal benchmark
Total violations 178 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 9.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 63.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 228 1,238 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,332 regulated public water systems in Connecticut.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Blue Trails Water Association water safe to drink?
Blue Trails Water Association (PWS ID: CT0990011) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 228 people using Groundwater sources.
How many people does Blue Trails Water Association serve?
Blue Trails Water Association serves 228 people in Durham, Connecticut. It is a Private-owned system using Groundwater water sources with 56 service connections.
What type of violations does Blue Trails Water Association have?
Blue Trails Water Association has 178 total violations: 9 health-based violations (MCL exceedances or treatment failures), 49 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Blue Trails Water Association water?
No PFAS testing data is available for Blue Trails Water Association under the EPA's UCMR5 monitoring program.
What water source does Blue Trails Water Association use?
Blue Trails Water Association uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.