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Community Water System · PWS MA1111002

Granby Housing Authority

Granby, Massachusetts 01033 - drinking water served from groundwater sources to 61 people, tracked in EPA SDWIS and UCMR5.

61
People served
144
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 144 drinking-water violations at Granby Housing Authority, 4% of them health-based - above the Massachusetts per-system average.

144
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
61
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Granby Housing Authority

Granby Housing Authority is a state-owned community water system that delivers drinking water to 61 residents in Granby, Massachusetts (Hampshire County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 144 total violations for this system , of which 6 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 121 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 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 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%).

Granby Housing Authority's 144 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
61
Total Violations
144
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
5
County
Hampshire
School/Daycare
No
MCL Violations
6
Monitoring Violations
121
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2011
Coliform (TCR) MR 5 2011
cis-1,2-Dichloroethylene MR 3 1999
Xylenes, Total MR 3 1999
DICHLOROMETHANE MR 3 1999
Vinyl chloride MR 3 1999
trans-1,2-Dichloroethylene MR 3 1999
Carbon tetrachloride MR 3 1999
1,2-Dichloropropane MR 3 1999
1,1,2-Trichloroethane MR 3 1999
Benzene MR 3 1999
Styrene MR 3 1999
1,1,1-Trichloroethane MR 3 1999
p-Dichlorobenzene MR 3 1999
Trichloroethylene MR 3 1999
1,1-Dichloroethylene MR 3 1999
Tetrachloroethylene MR 3 1999
1,2,4-Trichlorobenzene MR 3 1999
o-Dichlorobenzene MR 3 1999
Toluene MR 3 1999
CHLOROBENZENE MR 3 1999
Ethylbenzene MR 3 1999
1,2-Dichloroethane MR 3 1999
Lead and Copper Rule MR 2 2015
Arsenic MR 1 1995
Barium MR 1 1995
Cadmium MR 1 1995
Chromium MR 1 1995
Fluoride MR 1 1995
Nickel MR 1 1995

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 Granby Housing Authority.

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 MA1111002 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 Granby Housing Authority 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
2015 Lead and Copper Rule MR 2 SDWIS / MA1111002 / 5000
2011 Coliform (TCR) MCL 6 SDWIS / MA1111002 / 3100
2011 Coliform (TCR) MR 5 SDWIS / MA1111002 / 3100
1999 cis-1,2-Dichloroethylene MR 3 SDWIS / MA1111002 / 2380
1999 Xylenes, Total MR 3 SDWIS / MA1111002 / 2955
1999 DICHLOROMETHANE MR 3 SDWIS / MA1111002 / 2964
1999 Vinyl chloride MR 3 SDWIS / MA1111002 / 2976
1999 trans-1,2-Dichloroethylene MR 3 SDWIS / MA1111002 / 2979
1999 Carbon tetrachloride MR 3 SDWIS / MA1111002 / 2982
1999 1,2-Dichloropropane MR 3 SDWIS / MA1111002 / 2983
1999 1,1,2-Trichloroethane MR 3 SDWIS / MA1111002 / 2985
1999 Benzene MR 3 SDWIS / MA1111002 / 2990
1999 Styrene MR 3 SDWIS / MA1111002 / 2996
1999 1,1,1-Trichloroethane MR 3 SDWIS / MA1111002 / 2981
1999 p-Dichlorobenzene MR 3 SDWIS / MA1111002 / 2969

How Granby Housing Authority Compares

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

Metric Granby Housing Authority Massachusetts avg Federal benchmark
Total violations 144 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 61 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 Granby Housing Authority water safe to drink?
Granby Housing Authority (PWS ID: MA1111002) has 144 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 61 people using Groundwater sources.
How many people does Granby Housing Authority serve?
Granby Housing Authority serves 61 people in Granby, Massachusetts. It is a State-owned system using Groundwater water sources with 5 service connections.
What type of violations does Granby Housing Authority have?
Granby Housing Authority has 144 total violations: 6 health-based violations (MCL exceedances or treatment failures), 121 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Granby Housing Authority water?
No PFAS testing data is available for Granby Housing Authority under the EPA's UCMR5 monitoring program.
What water source does Granby Housing Authority use?
Granby Housing Authority 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.
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.