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Community Water System · PWS ME0091190

Maine Water Company Oakland Division

Poland, Maine 04274 - drinking water served from surface water sources to 2,873 people, tracked in EPA SDWIS and UCMR5.

2,873
People served
15
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 15 drinking-water violations at Maine Water Company Oakland Division, 7% of them health-based - below the Maine per-system average.

15
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
2,873
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Maine Water Company Oakland Division

Maine Water Company Oakland Division is a private-owned community water system that delivers drinking water to 2,873 residents in Poland, Maine (Kennebec County) through 1,149 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 15 total violations for this system , of which 1 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 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 Thallium, Total, 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 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%).

Maine Water Company Oakland Division's 15 violations sit below 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
2,873
Total Violations
15
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
1,149
County
Kennebec
School/Daycare
No
MCL Violations
0
Monitoring Violations
14
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Thallium, Total MR 2 1993
Beryllium, Total MR 2 1993
Antimony, Total MR 2 1993
CYANIDE MR 2 1993
Total Haloacetic Acids (HAA5) MR 2 2022
TTHM MR 2 2022
Nickel MR 2 1993
Surface Water Treatment Rule TT 1 1992

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 Maine Water Company Oakland 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 ME0091190 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
2022 Total Haloacetic Acids (HAA5) MR 2 SDWIS / ME0091190 / 2456
2022 TTHM MR 2 SDWIS / ME0091190 / 2950
1993 Thallium, Total MR 2 SDWIS / ME0091190 / 1085
1993 Beryllium, Total MR 2 SDWIS / ME0091190 / 1075
1993 Antimony, Total MR 2 SDWIS / ME0091190 / 1074
1993 CYANIDE MR 2 SDWIS / ME0091190 / 1024
1993 Nickel MR 2 SDWIS / ME0091190 / 1036
1992 Surface Water Treatment Rule TT 1 SDWIS / ME0091190 / 0200

How Maine Water Company Oakland Division Compares

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

Metric Maine Water Company Oakland Division Maine avg Federal benchmark
Total violations 15 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 2,873 502 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 Maine Water Company Oakland Division water safe to drink? ▼
Maine Water Company Oakland Division (PWS ID: ME0091190) has 15 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,873 people using Surface Water sources.
How many people does Maine Water Company Oakland Division serve? ▼
Maine Water Company Oakland Division serves 2,873 people in Poland, Maine. It is a Private-owned system using Surface Water water sources with 1,149 service connections.
What type of violations does Maine Water Company Oakland Division have? ▼
Maine Water Company Oakland Division has 15 total violations: 1 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Maine Water Company Oakland Division water? ▼
No PFAS testing data is available for Maine Water Company Oakland Division under the EPA's UCMR5 monitoring program.
What water source does Maine Water Company Oakland Division use? ▼
Maine Water Company Oakland Division uses Surface Water 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.