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Community Water System · PWS MA1066001

Griswoldville Water District

Colrain, Massachusetts 01340 - drinking water served from groundwater sources to 125 people, tracked in EPA SDWIS and UCMR5.

125
People served
131
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 131 drinking-water violations at Griswoldville Water District, 2% of them health-based - above the Massachusetts per-system average.

131
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
125
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Griswoldville Water District

Griswoldville Water District is a private-owned community water system that delivers drinking water to 125 residents in Colrain, Massachusetts (Franklin County) through 43 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 131 total violations for this system , of which 2 (2%) 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 2016.

The most frequently cited contaminant at this system is Lead and Copper Rule, 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, 148 of 263 UCMR5-tested systems have reported PFAS detections (56.3%).

Griswoldville Water District's 131 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
125
Total Violations
131
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
43
County
Franklin
School/Daycare
No
MCL Violations
2
Monitoring Violations
121
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 8 2012
Nitrate MR 5 2014
CHLOROBENZENE MR 3 2012
o-Dichlorobenzene MR 3 2012
trans-1,2-Dichloroethylene MR 3 2012
Ethylbenzene MR 3 2012
Styrene MR 3 2012
Tetrachloroethylene MR 3 2012
Xylenes, Total MR 3 2012
1,1,2-Trichloroethane MR 3 2012
1,2,4-Trichlorobenzene MR 3 2012
Arsenic MR 3 2014
Selenium MR 3 2014
Antimony, Total MR 3 2014
Beryllium, Total MR 3 2014
Thallium, Total MR 3 2014
Benzene MR 3 2012
CYANIDE MR 3 2014
Nitrite MR 3 2014
Carbon tetrachloride MR 3 2012
1,1,1-Trichloroethane MR 3 2012
Barium MR 3 2014
Cadmium MR 3 2014
Fluoride MR 3 2014
Mercury MR 3 2014
cis-1,2-Dichloroethylene MR 3 2012
DICHLOROMETHANE MR 3 2012
Vinyl chloride MR 3 2012
Chromium MR 3 2014
Toluene MR 3 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 Griswoldville Water District.

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 MA1066001 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 Griswoldville Water District 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
2016 E. COLI MR 1 SDWIS / MA1066001 / 3014
2014 Nitrate MR 5 SDWIS / MA1066001 / 1040
2014 Arsenic MR 3 SDWIS / MA1066001 / 1005
2014 Selenium MR 3 SDWIS / MA1066001 / 1045
2014 Antimony, Total MR 3 SDWIS / MA1066001 / 1074
2014 Beryllium, Total MR 3 SDWIS / MA1066001 / 1075
2014 Thallium, Total MR 3 SDWIS / MA1066001 / 1085
2014 CYANIDE MR 3 SDWIS / MA1066001 / 1024
2014 Nitrite MR 3 SDWIS / MA1066001 / 1041
2014 Barium MR 3 SDWIS / MA1066001 / 1010
2014 Cadmium MR 3 SDWIS / MA1066001 / 1015
2014 Fluoride MR 3 SDWIS / MA1066001 / 1025
2014 Mercury MR 3 SDWIS / MA1066001 / 1035
2014 Chromium MR 3 SDWIS / MA1066001 / 1020
2014 Nickel MR 3 SDWIS / MA1066001 / 1036

How Griswoldville Water District Compares

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

Metric Griswoldville Water District Massachusetts avg Federal benchmark
Total violations 131 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 125 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 Griswoldville Water District water safe to drink? ▼
Griswoldville Water District (PWS ID: MA1066001) has 131 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does Griswoldville Water District serve? ▼
Griswoldville Water District serves 125 people in Colrain, Massachusetts. It is a Private-owned system using Groundwater water sources with 43 service connections.
What type of violations does Griswoldville Water District have? ▼
Griswoldville Water District has 131 total violations: 2 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 Griswoldville Water District water? ▼
No PFAS testing data is available for Griswoldville Water District under the EPA's UCMR5 monitoring program.
What water source does Griswoldville Water District use? ▼
Griswoldville Water District 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.