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WOODLAND TERRACE

PWS ID: CT0300071 · COLUMBIA, Connecticut 06237

WOODLAND TERRACE serves 27 people in COLUMBIA, Connecticut using Groundwater water sources. It has 111 recorded EPA violations, including 33 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WOODLAND TERRACE

WOODLAND TERRACE is a private-owned community water system that delivers drinking water to 27 residents in COLUMBIA, Connecticut (Tolland County) through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 111 total violations for this system , of which 33 (30%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 48 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 33 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. WOODLAND TERRACE's 111 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
27
Total Violations
111
Health-Based Violations
33
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
15
County
Tolland
School/Daycare
No
MCL Violations
33
Monitoring Violations
48
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 33 2014
Coliform (TCR) MR 15 1994
Lead and Copper Rule MR 9 2020
Consumer Confidence Rule Other 4 2022
Carbon tetrachloride Other 3 1993
p-Dichlorobenzene Other 3 1993
1,2-Dichloroethane Other 3 1993
1,1,1-Trichloroethane Other 3 1993
Trichloroethylene Other 3 1993
Benzene Other 3 1993
1,1-Dichloroethylene Other 3 1993
Vinyl chloride Other 3 1993
Arsenic MR 2 2017
Barium MR 2 2017
Chromium MR 2 2017
Fluoride MR 2 2017
Mercury MR 2 2017
Nickel MR 2 2017
Beryllium, Total MR 2 2017
Thallium, Total MR 2 2017
Antimony, Total MR 2 2017
CYANIDE MR 2 2017
Cadmium MR 2 2017
Selenium MR 2 2017

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 WOODLAND TERRACE.

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 CT0300071 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
2022 Consumer Confidence Rule Other 4 SDWIS / CT0300071 / 7000
2020 Lead and Copper Rule MR 9 SDWIS / CT0300071 / 5000
2017 Arsenic MR 2 SDWIS / CT0300071 / 1005
2017 Barium MR 2 SDWIS / CT0300071 / 1010
2017 Chromium MR 2 SDWIS / CT0300071 / 1020
2017 Fluoride MR 2 SDWIS / CT0300071 / 1025
2017 Mercury MR 2 SDWIS / CT0300071 / 1035
2017 Nickel MR 2 SDWIS / CT0300071 / 1036
2017 Beryllium, Total MR 2 SDWIS / CT0300071 / 1075
2017 Thallium, Total MR 2 SDWIS / CT0300071 / 1085
2017 Antimony, Total MR 2 SDWIS / CT0300071 / 1074
2017 CYANIDE MR 2 SDWIS / CT0300071 / 1024
2017 Cadmium MR 2 SDWIS / CT0300071 / 1015
2017 Selenium MR 2 SDWIS / CT0300071 / 1045
2014 Coliform (TCR) MCL 33 SDWIS / CT0300071 / 3100

How WOODLAND TERRACE Compares

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

Metric WOODLAND TERRACE Connecticut avg Federal benchmark
Total violations 111 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 33 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 27 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 WOODLAND TERRACE water safe to drink? ▼
WOODLAND TERRACE (PWS ID: CT0300071) has 111 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 27 people using Groundwater sources.
How many people does WOODLAND TERRACE serve? ▼
WOODLAND TERRACE serves 27 people in COLUMBIA, Connecticut. It is a Private-owned system using Groundwater water sources with 15 service connections.
What type of violations does WOODLAND TERRACE have? ▼
WOODLAND TERRACE has 111 total violations: 33 health-based violations (MCL exceedances or treatment failures), 48 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WOODLAND TERRACE water? ▼
No PFAS testing data is available for WOODLAND TERRACE under the EPA's UCMR5 monitoring program.
What water source does WOODLAND TERRACE use? ▼
WOODLAND TERRACE 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