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Non-Transient Non-Community Water System · PWS MA1120022

2 Allen St Professional Bldg

Wilbraham, Massachusetts 01095 - drinking water served from groundwater sources to 30 people, tracked in EPA SDWIS and UCMR5.

30
People served
50
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 50 drinking-water violations at 2 Allen St Professional Bldg, 2% of them health-based - above the Massachusetts per-system average.

50
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
30
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: 2 Allen St Professional Bldg

2 Allen St Professional Bldg is a private-owned non-transient non-community water system that delivers drinking water to 30 residents in Wilbraham, Massachusetts (Hampden County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 50 total violations for this system , of which 1 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 46 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 2 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%).

2 Allen St Professional Bldg's 50 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
50
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Hampden
School/Daycare
Yes
MCL Violations
1
Monitoring Violations
46
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 2 2001
Carbon tetrachloride MR 2 2018
Trichloroethylene MR 2 2018
1,1,1-Trichloroethane MR 2 2018
o-Dichlorobenzene MR 2 2018
1,2-Dichloropropane MR 2 2018
Styrene MR 2 2018
Tetrachloroethylene MR 2 2018
Toluene MR 2 2018
1,1,2-Trichloroethane MR 2 2018
trans-1,2-Dichloroethylene MR 2 2018
1,2,4-Trichlorobenzene MR 2 2018
Benzene MR 2 2018
p-Dichlorobenzene MR 2 2018
Xylenes, Total MR 2 2018
1,2-Dichloroethane MR 2 2018
Ethylbenzene MR 2 2018
1,1-Dichloroethylene MR 2 2018
CHLOROBENZENE MR 2 2018
cis-1,2-Dichloroethylene MR 2 2018
Vinyl chloride MR 2 2018
DICHLOROMETHANE MR 2 2018
ETHYLENE DIBROMIDE MR 2 2018
Coliform (TCR) MCL 1 2003

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 2 Allen St Professional Bldg.

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 MA1120022 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 2 Allen St Professional Bldg 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
2018 Carbon tetrachloride MR 2 SDWIS / MA1120022 / 2982
2018 Trichloroethylene MR 2 SDWIS / MA1120022 / 2984
2018 1,1,1-Trichloroethane MR 2 SDWIS / MA1120022 / 2981
2018 o-Dichlorobenzene MR 2 SDWIS / MA1120022 / 2968
2018 1,2-Dichloropropane MR 2 SDWIS / MA1120022 / 2983
2018 Styrene MR 2 SDWIS / MA1120022 / 2996
2018 Tetrachloroethylene MR 2 SDWIS / MA1120022 / 2987
2018 Toluene MR 2 SDWIS / MA1120022 / 2991
2018 1,1,2-Trichloroethane MR 2 SDWIS / MA1120022 / 2985
2018 trans-1,2-Dichloroethylene MR 2 SDWIS / MA1120022 / 2979
2018 1,2,4-Trichlorobenzene MR 2 SDWIS / MA1120022 / 2378
2018 Benzene MR 2 SDWIS / MA1120022 / 2990
2018 p-Dichlorobenzene MR 2 SDWIS / MA1120022 / 2969
2018 Xylenes, Total MR 2 SDWIS / MA1120022 / 2955
2018 1,2-Dichloroethane MR 2 SDWIS / MA1120022 / 2980

How 2 Allen St Professional Bldg Compares

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

Metric 2 Allen St Professional Bldg Massachusetts avg Federal benchmark
Total violations 50 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 2 Allen St Professional Bldg water safe to drink? ▼
2 Allen St Professional Bldg (PWS ID: MA1120022) has 50 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 2 Allen St Professional Bldg serve? ▼
2 Allen St Professional Bldg serves 30 people in Wilbraham, Massachusetts. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does 2 Allen St Professional Bldg have? ▼
2 Allen St Professional Bldg has 50 total violations: 1 health-based violations (MCL exceedances or treatment failures), 46 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in 2 Allen St Professional Bldg water? ▼
No PFAS testing data is available for 2 Allen St Professional Bldg under the EPA's UCMR5 monitoring program.
What water source does 2 Allen St Professional Bldg use? ▼
2 Allen St Professional Bldg 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.