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Community Water System · PWS MA2037009

Carriage House Condominium

Acton, Massachusetts 01720 - drinking water served from groundwater sources to 68 people, tracked in EPA SDWIS and UCMR5.

68
People served
86
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 86 drinking-water violations at Carriage House Condominium - above the Massachusetts per-system average.

86
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
68
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Carriage House Condominium

Carriage House Condominium is a private-owned community water system that delivers drinking water to 68 residents in Acton, Massachusetts (Middlesex County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 86 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 61 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 Arsenic, recorded in 8 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 Massachusetts, EPA tracks 1,599 public water systems serving 10,332,845 people, with 73,886 cumulative violations and 7,389 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 46.2 violations. Statewide, 143 of 263 UCMR5-tested systems have reported PFAS detections (54.4%).

Carriage House Condominium's 86 violations sit above the Massachusetts 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
68
Total Violations
86
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
1
County
Middlesex
School/Daycare
No
MCL Violations
0
Monitoring Violations
61
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 8 2013
Coliform (TCR) MR 7 2013
Consumer Confidence Rule Other 7 2013
Lead and Copper Rule MR 2 2008
Nitrate MR 2 2013
Benzene MR 2 2013
1,1-Dichloroethylene MR 2 2013
Trichloroethylene MR 2 2013
CHLOROBENZENE MR 2 2013
o-Dichlorobenzene MR 2 2013
trans-1,2-Dichloroethylene MR 2 2013
cis-1,2-Dichloroethylene MR 2 2013
Tetrachloroethylene MR 2 2013
Toluene MR 2 2013
DICHLOROMETHANE MR 2 2013
Styrene MR 2 2013
1,2,4-Trichlorobenzene MR 2 2013
1,1,1-Trichloroethane MR 2 2013
Vinyl chloride MR 2 2013
1,2-Dichloropropane MR 2 2013
Xylenes, Total MR 2 2013
p-Dichlorobenzene MR 2 2013
1,1,2-Trichloroethane MR 2 2013
Carbon tetrachloride MR 2 2013
1,2-Dichloroethane MR 2 2013
Ethylbenzene MR 2 2013

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 Condominium.

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 MA2037009 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Massachusetts Drinking Water Authority

MassDEP, Drinking Water Program is the primacy agency that licenses and inspects Carriage House Condominium under EPA-delegated authority.

Open MA regulator portal

Source: MassDEP, Drinking Water Program

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 Arsenic MR 8 SDWIS / MA2037009 / 1005
2013 Coliform (TCR) MR 7 SDWIS / MA2037009 / 3100
2013 Consumer Confidence Rule Other 7 SDWIS / MA2037009 / 7000
2013 Nitrate MR 2 SDWIS / MA2037009 / 1040
2013 Benzene MR 2 SDWIS / MA2037009 / 2990
2013 1,1-Dichloroethylene MR 2 SDWIS / MA2037009 / 2977
2013 Trichloroethylene MR 2 SDWIS / MA2037009 / 2984
2013 CHLOROBENZENE MR 2 SDWIS / MA2037009 / 2989
2013 o-Dichlorobenzene MR 2 SDWIS / MA2037009 / 2968
2013 trans-1,2-Dichloroethylene MR 2 SDWIS / MA2037009 / 2979
2013 cis-1,2-Dichloroethylene MR 2 SDWIS / MA2037009 / 2380
2013 Tetrachloroethylene MR 2 SDWIS / MA2037009 / 2987
2013 Toluene MR 2 SDWIS / MA2037009 / 2991
2013 DICHLOROMETHANE MR 2 SDWIS / MA2037009 / 2964
2013 Styrene MR 2 SDWIS / MA2037009 / 2996

How Carriage House Condominium Compares

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

Metric Carriage House Condominium Massachusetts avg Federal benchmark
Total violations 86 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 54.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 68 6,462 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,599 regulated public water systems in Massachusetts.

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 Condominium water safe to drink? ▼
Carriage House Condominium (PWS ID: MA2037009) has 86 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 68 people using Groundwater sources.
How many people does Carriage House Condominium serve? ▼
Carriage House Condominium serves 68 people in Acton, Massachusetts. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Carriage House Condominium have? ▼
Carriage House Condominium has 86 total violations: 0 health-based violations (MCL exceedances or treatment failures), 61 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 Condominium water? ▼
No PFAS testing data is available for Carriage House Condominium under the EPA's UCMR5 monitoring program.
What water source does Carriage House Condominium use? ▼
Carriage House Condominium 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.