PlainWater

BROOKS PLAZA

PWS ID: CT0420644 · GUILFORD, Connecticut 06437

BROOKS PLAZA serves 67 people in GUILFORD, Connecticut using Groundwater water sources. It has 465 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BROOKS PLAZA

BROOKS PLAZA is a private-owned non-transient non-community water system that delivers drinking water to 67 residents in GUILFORD, Connecticut (Middlesex County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 465 total violations for this system , of which 1 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 439 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 Lead and Copper Rule, recorded in 30 violations (MR). 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. BROOKS PLAZA's 465 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
67
Total Violations
465
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
3
County
Middlesex
School/Daycare
No
MCL Violations
0
Monitoring Violations
439
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 30 2025
1,2,4-Trichlorobenzene MR 14 2022
cis-1,2-Dichloroethylene MR 14 2022
DICHLOROMETHANE MR 14 2022
Vinyl chloride MR 14 2022
1,1-Dichloroethylene MR 14 2022
trans-1,2-Dichloroethylene MR 14 2022
Carbon tetrachloride MR 14 2022
1,2-Dichloropropane MR 14 2022
Trichloroethylene MR 14 2022
1,1,2-Trichloroethane MR 14 2022
Tetrachloroethylene MR 14 2022
CHLOROBENZENE MR 14 2022
Benzene MR 14 2022
Toluene MR 14 2022
Ethylbenzene MR 14 2022
o-Dichlorobenzene MR 14 2022
p-Dichlorobenzene MR 14 2022
1,1,1-Trichloroethane MR 14 2022
Styrene MR 14 2022
1,2-Dichloroethane MR 14 2022
Toxaphene MR 4 2012
Dalapon MR 4 2012
Diquat MR 4 2012
Di(2-ethylhexyl) adipate MR 4 2012
Hexachlorocyclopentadiene MR 4 2012
Aldicarb sulfoxide MR 4 2012
Carbofuran MR 4 2012
Aldicarb MR 4 2012
Atrazine MR 4 2012

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 BROOKS PLAZA.

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 CT0420644 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 Lead and Copper Rule MR 30 SDWIS / CT0420644 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT0420644 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT0420644 / 5200
2022 1,2,4-Trichlorobenzene MR 14 SDWIS / CT0420644 / 2378
2022 cis-1,2-Dichloroethylene MR 14 SDWIS / CT0420644 / 2380
2022 DICHLOROMETHANE MR 14 SDWIS / CT0420644 / 2964
2022 Vinyl chloride MR 14 SDWIS / CT0420644 / 2976
2022 1,1-Dichloroethylene MR 14 SDWIS / CT0420644 / 2977
2022 trans-1,2-Dichloroethylene MR 14 SDWIS / CT0420644 / 2979
2022 Carbon tetrachloride MR 14 SDWIS / CT0420644 / 2982
2022 1,2-Dichloropropane MR 14 SDWIS / CT0420644 / 2983
2022 Trichloroethylene MR 14 SDWIS / CT0420644 / 2984
2022 1,1,2-Trichloroethane MR 14 SDWIS / CT0420644 / 2985
2022 Tetrachloroethylene MR 14 SDWIS / CT0420644 / 2987
2022 CHLOROBENZENE MR 14 SDWIS / CT0420644 / 2989

How BROOKS PLAZA Compares

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

Metric BROOKS PLAZA Connecticut avg Federal benchmark
Total violations 465 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 67 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 BROOKS PLAZA water safe to drink?
BROOKS PLAZA (PWS ID: CT0420644) has 465 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 67 people using Groundwater sources.
How many people does BROOKS PLAZA serve?
BROOKS PLAZA serves 67 people in GUILFORD, Connecticut. It is a Private-owned system using Groundwater water sources with 3 service connections.
What type of violations does BROOKS PLAZA have?
BROOKS PLAZA has 465 total violations: 1 health-based violations (MCL exceedances or treatment failures), 439 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BROOKS PLAZA water?
No PFAS testing data is available for BROOKS PLAZA under the EPA's UCMR5 monitoring program.
What water source does BROOKS PLAZA use?
BROOKS PLAZA uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

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