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Community Water System · PWS ME0091570

Washburn Water & Sewer District

Washburn, Maine 04786 - drinking water served from groundwater sources to 688 people, tracked in EPA SDWIS and UCMR5.

688
People served
147
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 147 drinking-water violations at Washburn Water & Sewer District, 7% of them health-based - above the Maine per-system average.

147
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
688
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Washburn Water & Sewer District

Washburn Water & Sewer District is a local-owned community water system that delivers drinking water to 688 residents in Washburn, Maine (Aroostook County) through 275 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 147 total violations for this system , of which 10 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 130 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 Coliform (TCR), 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 Maine, EPA tracks 1,864 public water systems serving 936,624 people, with 148,796 cumulative violations and 23,741 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 79.8 violations. Statewide, 14 of 41 UCMR5-tested systems have reported PFAS detections (34.1%).

Washburn Water & Sewer District's 147 violations sit above the Maine 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
688
Total Violations
147
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
275
County
Aroostook
School/Daycare
No
MCL Violations
10
Monitoring Violations
130
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2008
Nitrate MCL 7 2004
Nitrate MR 6 2008
Consumer Confidence Rule Other 6 2024
Diquat MR 6 2021
Combined Radium (-226 and -228) MR 4 2016
Endothall MR 4 2015
Dalapon MR 4 2021
Picloram MR 4 2021
Dinoseb MR 4 2021
2,4-D MR 4 2021
2,4,5-TP MR 4 2021
Pentachlorophenol MR 4 2021
OXAMYL MR 4 2015
Total Polychlorinated Biphenyls (PCB) MR 4 2021
Chlordane MR 4 2021
Endrin MR 4 2021
Di(2-ethylhexyl) phthalate MR 4 2021
Atrazine MR 4 2021
LASSO MR 4 2021
Heptachlor epoxide MR 4 2021
HEXACHLOROBENZENE MR 4 2021
Hexachlorocyclopentadiene MR 4 2021
Toxaphene MR 4 2021
Carbofuran MR 4 2015
BHC-GAMMA MR 4 2021
Di(2-ethylhexyl) adipate MR 4 2021
Simazine MR 4 2021
Revised Total Coliform Rule MON 4 2019
Heptachlor MR 4 2021

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 Washburn Water & Sewer 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 ME0091570 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Maine Drinking Water Authority

Maine's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find ME regulator via EPA SDWIS

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 Consumer Confidence Rule Other 6 SDWIS / ME0091570 / 7000
2021 Diquat MR 6 SDWIS / ME0091570 / 2032
2021 Dalapon MR 4 SDWIS / ME0091570 / 2031
2021 Picloram MR 4 SDWIS / ME0091570 / 2040
2021 Dinoseb MR 4 SDWIS / ME0091570 / 2041
2021 2,4-D MR 4 SDWIS / ME0091570 / 2105
2021 2,4,5-TP MR 4 SDWIS / ME0091570 / 2110
2021 Pentachlorophenol MR 4 SDWIS / ME0091570 / 2326
2021 Total Polychlorinated Biphenyls (PCB) MR 4 SDWIS / ME0091570 / 2383
2021 Chlordane MR 4 SDWIS / ME0091570 / 2959
2021 Endrin MR 4 SDWIS / ME0091570 / 2005
2021 Di(2-ethylhexyl) phthalate MR 4 SDWIS / ME0091570 / 2039
2021 Atrazine MR 4 SDWIS / ME0091570 / 2050
2021 LASSO MR 4 SDWIS / ME0091570 / 2051
2021 Heptachlor epoxide MR 4 SDWIS / ME0091570 / 2067

How Washburn Water & Sewer District Compares

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

Metric Washburn Water & Sewer District Maine avg Federal benchmark
Total violations 147 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 12.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 34.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 688 502 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,864 regulated public water systems in Maine.

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 Washburn Water & Sewer District water safe to drink?
Washburn Water & Sewer District (PWS ID: ME0091570) has 147 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 688 people using Groundwater sources.
How many people does Washburn Water & Sewer District serve?
Washburn Water & Sewer District serves 688 people in Washburn, Maine. It is a Local-owned system using Groundwater water sources with 275 service connections.
What type of violations does Washburn Water & Sewer District have?
Washburn Water & Sewer District has 147 total violations: 10 health-based violations (MCL exceedances or treatment failures), 130 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Washburn Water & Sewer District water?
No PFAS testing data is available for Washburn Water & Sewer District under the EPA's UCMR5 monitoring program.
What water source does Washburn Water & Sewer District use?
Washburn Water & Sewer 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.
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.