PlainWater

Non-Transient Non-Community Water System · PWS ME0098549

US Nps Acadia Natl Pk-Schoodic Facility

Bar Harbor, Maine 04609 - drinking water served from groundwater sources to 35 people, tracked in EPA SDWIS and UCMR5.

35
People served
168
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 168 drinking-water violations at US Nps Acadia Natl Pk-Schoodic Facility, 7% of them health-based - above the Maine per-system average.

168
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
35
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: US Nps Acadia Natl Pk-Schoodic Facility

US Nps Acadia Natl Pk-Schoodic Facility is a federal-owned non-transient non-community water system that delivers drinking water to 35 residents in Bar Harbor, Maine (Hancock County) through 50 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 168 total violations for this system , of which 12 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 152 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 Nitrate, recorded in 12 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, 10 of 41 UCMR5-tested systems have reported PFAS detections (24.4%).

US Nps Acadia Natl Pk-Schoodic Facility's 168 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
35
Total Violations
168
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Federal
Connections
50
County
Hancock
School/Daycare
Yes
MCL Violations
10
Monitoring Violations
152
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 12 2024
Nitrate MCL 10 2001
Lead and Copper Rule MR 5 2024
Nitrite MR 4 2003
Arsenic MR 4 2022
Barium MR 4 2022
Chromium MR 4 2022
Mercury MR 4 2022
Nickel MR 4 2022
Thallium, Total MR 4 2022
cis-1,2-Dichloroethylene MR 4 2024
Xylenes, Total MR 4 2024
o-Dichlorobenzene MR 4 2024
1,1-Dichloroethylene MR 4 2024
1,2-Dichloroethane MR 4 2024
1,2-Dichloropropane MR 4 2024
Trichloroethylene MR 4 2024
1,1,2-Trichloroethane MR 4 2024
Tetrachloroethylene MR 4 2024
CHLOROBENZENE MR 4 2024
Toluene MR 4 2024
Ethylbenzene MR 4 2024
Styrene MR 4 2024
Carbon tetrachloride MR 4 2024
Selenium MR 4 2022
DICHLOROMETHANE MR 4 2024
Beryllium, Total MR 4 2022
Benzene MR 4 2024
Cadmium MR 4 2022
Fluoride MR 4 2022

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 US Nps Acadia Natl Pk-Schoodic Facility.

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 ME0098549 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 3 SDWIS / ME0098549 / 7500
2025 Revised Total Coliform Rule MON 3 SDWIS / ME0098549 / 8000
2024 Nitrate MR 12 SDWIS / ME0098549 / 1040
2024 Lead and Copper Rule MR 5 SDWIS / ME0098549 / 5000
2024 cis-1,2-Dichloroethylene MR 4 SDWIS / ME0098549 / 2380
2024 Xylenes, Total MR 4 SDWIS / ME0098549 / 2955
2024 o-Dichlorobenzene MR 4 SDWIS / ME0098549 / 2968
2024 1,1-Dichloroethylene MR 4 SDWIS / ME0098549 / 2977
2024 1,2-Dichloroethane MR 4 SDWIS / ME0098549 / 2980
2024 1,2-Dichloropropane MR 4 SDWIS / ME0098549 / 2983
2024 Trichloroethylene MR 4 SDWIS / ME0098549 / 2984
2024 1,1,2-Trichloroethane MR 4 SDWIS / ME0098549 / 2985
2024 Tetrachloroethylene MR 4 SDWIS / ME0098549 / 2987
2024 CHLOROBENZENE MR 4 SDWIS / ME0098549 / 2989
2024 Toluene MR 4 SDWIS / ME0098549 / 2991

How US Nps Acadia Natl Pk-Schoodic Facility Compares

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

Metric US Nps Acadia Natl Pk-Schoodic Facility Maine avg Federal benchmark
Total violations 168 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 12.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 24.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 35 502 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 US Nps Acadia Natl Pk-Schoodic Facility water safe to drink?
US Nps Acadia Natl Pk-Schoodic Facility (PWS ID: ME0098549) has 168 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 35 people using Groundwater sources.
How many people does US Nps Acadia Natl Pk-Schoodic Facility serve?
US Nps Acadia Natl Pk-Schoodic Facility serves 35 people in Bar Harbor, Maine. It is a Federal-owned system using Groundwater water sources with 50 service connections.
What type of violations does US Nps Acadia Natl Pk-Schoodic Facility have?
US Nps Acadia Natl Pk-Schoodic Facility has 168 total violations: 12 health-based violations (MCL exceedances or treatment failures), 152 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in US Nps Acadia Natl Pk-Schoodic Facility water?
No PFAS testing data is available for US Nps Acadia Natl Pk-Schoodic Facility under the EPA's UCMR5 monitoring program.
What water source does US Nps Acadia Natl Pk-Schoodic Facility use?
US Nps Acadia Natl Pk-Schoodic Facility uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.