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Community Water System · PWS MA2232000

Pepperell Dpw Water Division

Pepperell, Massachusetts 01463 - drinking water served from groundwater sources to 9,217 people, tracked in EPA SDWIS and UCMR5.

9,217
People served
141
EPA violations
24
Health-based
2 PFAS
UCMR5 result

The verdict

EPA records 141 drinking-water violations at Pepperell Dpw Water Division, 17% of them health-based - above the Massachusetts per-system average, and UCMR5 testing detected 2 PFAS compounds.

141
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
9,217
People served by this system
2
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pepperell Dpw Water Division

Pepperell Dpw Water Division is a local-owned community water system that delivers drinking water to 9,217 residents in Pepperell, Massachusetts (Middlesex County) through 3,239 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 141 total violations for this system , of which 24 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 109 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 20 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 11.4 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Pepperell Dpw Water Division's 141 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.

PFAS Detected

2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
9,217
Total Violations
141
Health-Based Violations
24
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,239
County
Middlesex
School/Daycare
No
MCL Violations
20
Monitoring Violations
109
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 20 2013
Lead and Copper Rule TT 4 2000
Carbofuran MR 3 2022
2,4-D MR 3 2022
ETHYLENE DIBROMIDE MR 3 2022
Heptachlor epoxide MR 3 2022
Heptachlor MR 3 2022
Methoxychlor MR 3 2022
BHC-GAMMA MR 3 2022
Total Polychlorinated Biphenyls (PCB) MR 3 2022
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2022
Benzo(a)pyrene MR 3 2022
Di(2-ethylhexyl) adipate MR 3 2022
Di(2-ethylhexyl) phthalate MR 3 2022
Dinoseb MR 3 2022
Diquat MR 3 2022
OXAMYL MR 3 2022
Picloram MR 3 2022
Simazine MR 3 2022
Toxaphene MR 3 2022
Dalapon MR 3 2022
Endothall MR 3 2022
Glyphosate MR 3 2022
Hexachlorocyclopentadiene MR 3 2022
2,3,7,8-TCDD MR 3 2022
2,4,5-TP MR 3 2022
Pentachlorophenol MR 3 2022
LASSO MR 3 2022
HEXACHLOROBENZENE MR 3 2022
Atrazine MR 3 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 145 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/19/2023 9.80 ppt 4.00 ppt Detected
PFOS 9/19/2023 6.40 ppt 4.00 ppt Detected
PFNA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/19/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/19/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 9/19/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/19/2023 <7.00 ppt 7.00 ppt Not Detected
PFDA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
PFMPA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
PFOA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFMPA 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 9/19/2023 <2.00 ppt 2.00 ppt Not Detected
PFBA 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 9/19/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/19/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/19/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/19/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/19/2023 <3.00 ppt 3.00 ppt Not Detected

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 Pepperell Dpw Water Division.

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 MA2232000 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 Pepperell Dpw Water Division 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
2022 Carbofuran MR 3 SDWIS / MA2232000 / 2046
2022 2,4-D MR 3 SDWIS / MA2232000 / 2105
2022 ETHYLENE DIBROMIDE MR 3 SDWIS / MA2232000 / 2946
2022 Heptachlor epoxide MR 3 SDWIS / MA2232000 / 2067
2022 Heptachlor MR 3 SDWIS / MA2232000 / 2065
2022 Methoxychlor MR 3 SDWIS / MA2232000 / 2015
2022 BHC-GAMMA MR 3 SDWIS / MA2232000 / 2010
2022 Total Polychlorinated Biphenyls (PCB) MR 3 SDWIS / MA2232000 / 2383
2022 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / MA2232000 / 2931
2022 Benzo(a)pyrene MR 3 SDWIS / MA2232000 / 2306
2022 Di(2-ethylhexyl) adipate MR 3 SDWIS / MA2232000 / 2035
2022 Di(2-ethylhexyl) phthalate MR 3 SDWIS / MA2232000 / 2039
2022 Dinoseb MR 3 SDWIS / MA2232000 / 2041
2022 Diquat MR 3 SDWIS / MA2232000 / 2032
2022 OXAMYL MR 3 SDWIS / MA2232000 / 2036

How Pepperell Dpw Water Division Compares

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

Metric Pepperell Dpw Water Division Massachusetts avg Federal benchmark
Total violations 141 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection 2 compounds 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 9,217 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 Pepperell Dpw Water Division water safe to drink?
Pepperell Dpw Water Division (PWS ID: MA2232000) has 141 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 9,217 people using Groundwater sources.
How many people does Pepperell Dpw Water Division serve?
Pepperell Dpw Water Division serves 9,217 people in Pepperell, Massachusetts. It is a Local-owned system using Groundwater water sources with 3,239 service connections.
What type of violations does Pepperell Dpw Water Division have?
Pepperell Dpw Water Division has 141 total violations: 24 health-based violations (MCL exceedances or treatment failures), 109 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pepperell Dpw Water Division water?
Yes. UCMR5 testing detected 2 PFAS compounds in Pepperell Dpw Water Division's water supply: PFOA, PFOS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Pepperell Dpw Water Division use?
Pepperell Dpw Water Division 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.