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Transient Non-Community Water System · PWS ME0001002

Sennebec Lake Campground 1-Lodge

Appleton, Maine 04862 - drinking water served from groundwater sources to 243 people, tracked in EPA SDWIS and UCMR5.

243
People served
114
EPA violations
22
Health-based
Untested
UCMR5 result

The verdict

EPA records 114 drinking-water violations at Sennebec Lake Campground 1-Lodge, 19% of them health-based - above the Maine per-system average.

114
Total EPA violations on record
19%
Health-based (MCL / treatment failure)
243
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sennebec Lake Campground 1-Lodge

Sennebec Lake Campground 1-Lodge is a private-owned transient non-community water system that delivers drinking water to 243 residents in Appleton, Maine (Knox County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 114 total violations for this system , of which 22 (19%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 61 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 30 violations (MON). 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%).

Sennebec Lake Campground 1-Lodge's 114 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
243
Total Violations
114
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Knox
School/Daycare
No
MCL Violations
12
Monitoring Violations
61
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 30 2024
Public Notice Other 21 2025
Nitrate MR 16 2016
Coliform (TCR) MR 15 2011
Revised Total Coliform Rule RPT 10 2021
Revised Total Coliform Rule TT 10 2021
Coliform (TCR) MCL 8 2011
Revised Total Coliform Rule MCL 4 2023

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 Sennebec Lake Campground 1-Lodge.

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 ME0001002 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
2025 Public Notice Other 21 SDWIS / ME0001002 / 7500
2024 Revised Total Coliform Rule MON 30 SDWIS / ME0001002 / 8000
2023 Revised Total Coliform Rule MCL 4 SDWIS / ME0001002 / 8000
2021 Revised Total Coliform Rule RPT 10 SDWIS / ME0001002 / 8000
2021 Revised Total Coliform Rule TT 10 SDWIS / ME0001002 / 8000
2016 Nitrate MR 16 SDWIS / ME0001002 / 1040
2011 Coliform (TCR) MR 15 SDWIS / ME0001002 / 3100
2011 Coliform (TCR) MCL 8 SDWIS / ME0001002 / 3100

How Sennebec Lake Campground 1-Lodge Compares

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

Metric Sennebec Lake Campground 1-Lodge Maine avg Federal benchmark
Total violations 114 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 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 243 502 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 Sennebec Lake Campground 1-Lodge water safe to drink? ▼
Sennebec Lake Campground 1-Lodge (PWS ID: ME0001002) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 243 people using Groundwater sources.
How many people does Sennebec Lake Campground 1-Lodge serve? ▼
Sennebec Lake Campground 1-Lodge serves 243 people in Appleton, Maine. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Sennebec Lake Campground 1-Lodge have? ▼
Sennebec Lake Campground 1-Lodge has 114 total violations: 22 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sennebec Lake Campground 1-Lodge water? ▼
No PFAS testing data is available for Sennebec Lake Campground 1-Lodge under the EPA's UCMR5 monitoring program.
What water source does Sennebec Lake Campground 1-Lodge use? ▼
Sennebec Lake Campground 1-Lodge 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.