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Community Water System · PWS CT0780181

Carriage House Apartments

Storrs, Connecticut 06268 - drinking water served from groundwater sources to 196 people, tracked in EPA SDWIS and UCMR5.

196
People served
97
EPA violations
40
Health-based
Untested
UCMR5 result

The verdict

EPA records 97 drinking-water violations at Carriage House Apartments, 41% of them health-based - above the Connecticut per-system average.

97
Total EPA violations on record
41%
Health-based (MCL / treatment failure)
196
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Carriage House Apartments

Carriage House Apartments is a private-owned community water system that delivers drinking water to 196 residents in Storrs, Connecticut (Tolland County) through 64 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 97 total violations for this system , of which 40 (41%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 40 violations (MCL, health-based). 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%).

Carriage House Apartments's 97 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
196
Total Violations
97
Health-Based Violations
40
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
64
County
Tolland
School/Daycare
No
MCL Violations
40
Monitoring Violations
37
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 40 2015
Coliform (TCR) MR 13 2014
Consumer Confidence Rule Other 10 2018
Public Notice Other 9 2019
Lead and Copper Rule MR 8 2005
Chlorine MR 8 2017
Revised Total Coliform Rule MON 4 2017
Total Haloacetic Acids (HAA5) MR 4 2017
Lead and Copper Rule Other 1 1994

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 Carriage House Apartments.

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 CT0780181 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
2019 Public Notice Other 9 SDWIS / CT0780181 / 7500
2018 Consumer Confidence Rule Other 10 SDWIS / CT0780181 / 7000
2017 Chlorine MR 8 SDWIS / CT0780181 / 0999
2017 Revised Total Coliform Rule MON 4 SDWIS / CT0780181 / 8000
2017 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CT0780181 / 2456
2015 Coliform (TCR) MCL 40 SDWIS / CT0780181 / 3100
2014 Coliform (TCR) MR 13 SDWIS / CT0780181 / 3100
2005 Lead and Copper Rule MR 8 SDWIS / CT0780181 / 5000
1994 Lead and Copper Rule Other 1 SDWIS / CT0780181 / 5000

How Carriage House Apartments Compares

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

Metric Carriage House Apartments Connecticut avg Federal benchmark
Total violations 97 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 40 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 196 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 Carriage House Apartments water safe to drink? ▼
Carriage House Apartments (PWS ID: CT0780181) has 97 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 196 people using Groundwater sources.
How many people does Carriage House Apartments serve? ▼
Carriage House Apartments serves 196 people in Storrs, Connecticut. It is a Private-owned system using Groundwater water sources with 64 service connections.
What type of violations does Carriage House Apartments have? ▼
Carriage House Apartments has 97 total violations: 40 health-based violations (MCL exceedances or treatment failures), 37 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Carriage House Apartments water? ▼
No PFAS testing data is available for Carriage House Apartments under the EPA's UCMR5 monitoring program.
What water source does Carriage House Apartments use? ▼
Carriage House Apartments 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.

Read our methodology - how this data is sourced, computed, and verified.

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.