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Non-Transient Non-Community Water System · PWS MA2286022

Stow Municipal Buildings

Stow, Massachusetts 01775 - drinking water served from groundwater sources to 30 people, tracked in EPA SDWIS and UCMR5.

30
People served
173
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 173 drinking-water violations at Stow Municipal Buildings - above the Massachusetts per-system average.

173
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
30
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Stow Municipal Buildings

Stow Municipal Buildings is a local-owned non-transient non-community water system that delivers drinking water to 30 residents in Stow, Massachusetts (Middlesex County) through 6 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 173 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 168 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 10 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%).

Stow Municipal Buildings's 173 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
30
Total Violations
173
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
6
County
Middlesex
School/Daycare
No
MCL Violations
0
Monitoring Violations
168
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 10 2024
Carbon tetrachloride MR 7 2007
Benzene MR 7 2007
1,2-Dichloroethane MR 7 2007
1,1,1-Trichloroethane MR 7 2007
CHLOROBENZENE MR 7 2007
cis-1,2-Dichloroethylene MR 7 2007
1,2-Dichloropropane MR 7 2007
Ethylbenzene MR 7 2007
Styrene MR 7 2007
Tetrachloroethylene MR 7 2007
DICHLOROMETHANE MR 7 2007
1,1-Dichloroethylene MR 7 2007
trans-1,2-Dichloroethylene MR 7 2007
p-Dichlorobenzene MR 7 2007
1,1,2-Trichloroethane MR 7 2007
Xylenes, Total MR 7 2007
o-Dichlorobenzene MR 7 2007
Vinyl chloride MR 7 2007
Trichloroethylene MR 7 2007
Toluene MR 7 2007
1,2,4-Trichlorobenzene MR 7 2007
Coliform (TCR) MR 6 2007
Nitrate MR 5 2007

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 Stow Municipal Buildings.

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 MA2286022 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 Stow Municipal Buildings 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
2024 Lead and Copper Rule MR 10 SDWIS / MA2286022 / 5000
2007 Carbon tetrachloride MR 7 SDWIS / MA2286022 / 2982
2007 Benzene MR 7 SDWIS / MA2286022 / 2990
2007 1,2-Dichloroethane MR 7 SDWIS / MA2286022 / 2980
2007 1,1,1-Trichloroethane MR 7 SDWIS / MA2286022 / 2981
2007 CHLOROBENZENE MR 7 SDWIS / MA2286022 / 2989
2007 cis-1,2-Dichloroethylene MR 7 SDWIS / MA2286022 / 2380
2007 1,2-Dichloropropane MR 7 SDWIS / MA2286022 / 2983
2007 Ethylbenzene MR 7 SDWIS / MA2286022 / 2992
2007 Styrene MR 7 SDWIS / MA2286022 / 2996
2007 Tetrachloroethylene MR 7 SDWIS / MA2286022 / 2987
2007 DICHLOROMETHANE MR 7 SDWIS / MA2286022 / 2964
2007 1,1-Dichloroethylene MR 7 SDWIS / MA2286022 / 2977
2007 trans-1,2-Dichloroethylene MR 7 SDWIS / MA2286022 / 2979
2007 p-Dichlorobenzene MR 7 SDWIS / MA2286022 / 2969

How Stow Municipal Buildings Compares

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

Metric Stow Municipal Buildings Massachusetts avg Federal benchmark
Total violations 173 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 30 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 Stow Municipal Buildings water safe to drink? ▼
Stow Municipal Buildings (PWS ID: MA2286022) has 173 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 30 people using Groundwater sources.
How many people does Stow Municipal Buildings serve? ▼
Stow Municipal Buildings serves 30 people in Stow, Massachusetts. It is a Local-owned system using Groundwater water sources with 6 service connections.
What type of violations does Stow Municipal Buildings have? ▼
Stow Municipal Buildings has 173 total violations: 0 health-based violations (MCL exceedances or treatment failures), 168 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Stow Municipal Buildings water? ▼
No PFAS testing data is available for Stow Municipal Buildings under the EPA's UCMR5 monitoring program.
What water source does Stow Municipal Buildings use? ▼
Stow Municipal Buildings 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.
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.