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Transient Non-Community Water System · PWS ME0093905

Mdoc State Park-Damariscotta Lake

Bangor, Maine 04401 - drinking water served from groundwater sources to 303 people, tracked in EPA SDWIS and UCMR5.

303
People served
59
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 59 drinking-water violations at Mdoc State Park-Damariscotta Lake, 14% of them health-based - below the Maine per-system average.

59
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
303
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mdoc State Park-Damariscotta Lake

Mdoc State Park-Damariscotta Lake is a state-owned transient non-community water system that delivers drinking water to 303 residents in Bangor, Maine (Lincoln County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 59 total violations for this system , of which 8 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 45 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 Nitrate, recorded in 17 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%).

Mdoc State Park-Damariscotta Lake's 59 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
303
Total Violations
59
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
1
County
Lincoln
School/Daycare
No
MCL Violations
4
Monitoring Violations
45
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 17 2023
Revised Total Coliform Rule MON 16 2024
Coliform (TCR) MR 8 2003
Public Notice Other 6 2024
Revised Total Coliform Rule TT 4 2023
Revised Total Coliform Rule MCL 4 2024
Nitrite MR 4 2009

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 Mdoc State Park-Damariscotta Lake.

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 ME0093905 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 Revised Total Coliform Rule MON 16 SDWIS / ME0093905 / 8000
2024 Public Notice Other 6 SDWIS / ME0093905 / 7500
2024 Revised Total Coliform Rule MCL 4 SDWIS / ME0093905 / 8000
2023 Nitrate MR 17 SDWIS / ME0093905 / 1040
2023 Revised Total Coliform Rule TT 4 SDWIS / ME0093905 / 8000
2009 Nitrite MR 4 SDWIS / ME0093905 / 1041
2003 Coliform (TCR) MR 8 SDWIS / ME0093905 / 3100

How Mdoc State Park-Damariscotta Lake Compares

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

Metric Mdoc State Park-Damariscotta Lake Maine avg Federal benchmark
Total violations 59 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 303 502 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 Mdoc State Park-Damariscotta Lake water safe to drink? ▼
Mdoc State Park-Damariscotta Lake (PWS ID: ME0093905) has 59 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 303 people using Groundwater sources.
How many people does Mdoc State Park-Damariscotta Lake serve? ▼
Mdoc State Park-Damariscotta Lake serves 303 people in Bangor, Maine. It is a State-owned system using Groundwater water sources with 1 service connections.
What type of violations does Mdoc State Park-Damariscotta Lake have? ▼
Mdoc State Park-Damariscotta Lake has 59 total violations: 8 health-based violations (MCL exceedances or treatment failures), 45 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mdoc State Park-Damariscotta Lake water? ▼
No PFAS testing data is available for Mdoc State Park-Damariscotta Lake under the EPA's UCMR5 monitoring program.
What water source does Mdoc State Park-Damariscotta Lake use? ▼
Mdoc State Park-Damariscotta Lake uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.