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ROCKTREE APARTMENTS

PWS ID: CT0050011 · WILTON, Connecticut 06897

ROCKTREE APARTMENTS serves 60 people in WILTON, Connecticut using Groundwater water sources. It has 134 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROCKTREE APARTMENTS

ROCKTREE APARTMENTS is a private-owned community water system that delivers drinking water to 60 residents in WILTON, Connecticut (Litchfield County) through 22 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 134 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 106 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 22 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. ROCKTREE APARTMENTS's 134 violations sit above the Connecticut average. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%). 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
60
Total Violations
134
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
22
County
Litchfield
School/Daycare
No
MCL Violations
0
Monitoring Violations
106
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 22 2013
Lead and Copper Rule MR 8 2009
Coliform (TCR) MR 6 2008
Public Notice Other 5 2013
Combined Uranium MR 4 2006
Gross Alpha, Excl. Radon and U MR 4 2006
p-Dichlorobenzene MR 4 1990
Arsenic MR 4 2009
Barium MR 4 2009
Cadmium MR 4 2009
Chromium MR 4 2009
Fluoride MR 4 2009
Nickel MR 4 2009
Thallium, Total MR 4 2009
Selenium MR 4 2009
Vinyl chloride MR 4 1990
1,1-Dichloroethylene MR 4 1990
Trichloroethylene MR 4 1990
1,2-Dichloroethane MR 4 1990
Carbon tetrachloride MR 4 1990
Combined Radium (-226 and -228) MR 4 2006
Mercury MR 4 2009
CYANIDE MR 4 2009
Beryllium, Total MR 4 2009
Benzene MR 4 1990
1,1,1-Trichloroethane MR 4 1990
Antimony, Total MR 4 2009

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 ROCKTREE 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 CT0050011 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
2013 Consumer Confidence Rule Other 22 SDWIS / CT0050011 / 7000
2013 Public Notice Other 5 SDWIS / CT0050011 / 7500
2009 Lead and Copper Rule MR 8 SDWIS / CT0050011 / 5000
2009 Arsenic MR 4 SDWIS / CT0050011 / 1005
2009 Barium MR 4 SDWIS / CT0050011 / 1010
2009 Cadmium MR 4 SDWIS / CT0050011 / 1015
2009 Chromium MR 4 SDWIS / CT0050011 / 1020
2009 Fluoride MR 4 SDWIS / CT0050011 / 1025
2009 Nickel MR 4 SDWIS / CT0050011 / 1036
2009 Thallium, Total MR 4 SDWIS / CT0050011 / 1085
2009 Selenium MR 4 SDWIS / CT0050011 / 1045
2009 Mercury MR 4 SDWIS / CT0050011 / 1035
2009 CYANIDE MR 4 SDWIS / CT0050011 / 1024
2009 Beryllium, Total MR 4 SDWIS / CT0050011 / 1075
2009 Antimony, Total MR 4 SDWIS / CT0050011 / 1074

How ROCKTREE APARTMENTS Compares

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

Metric ROCKTREE APARTMENTS Connecticut avg Federal benchmark
Total violations 134 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 60 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is ROCKTREE APARTMENTS water safe to drink? ▼
ROCKTREE APARTMENTS (PWS ID: CT0050011) has 134 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 60 people using Groundwater sources.
How many people does ROCKTREE APARTMENTS serve? ▼
ROCKTREE APARTMENTS serves 60 people in WILTON, Connecticut. It is a Private-owned system using Groundwater water sources with 22 service connections.
What type of violations does ROCKTREE APARTMENTS have? ▼
ROCKTREE APARTMENTS has 134 total violations: 0 health-based violations (MCL exceedances or treatment failures), 106 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROCKTREE APARTMENTS water? ▼
No PFAS testing data is available for ROCKTREE APARTMENTS under the EPA's UCMR5 monitoring program.
What water source does ROCKTREE APARTMENTS use? ▼
ROCKTREE 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial