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Non-Transient Non-Community Water System · PWS ME0092006

Sunday River-Lower System

Newry, Maine 04261 - drinking water served from groundwater sources to 162 people, tracked in EPA SDWIS and UCMR5.

162
People served
114
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 114 drinking-water violations at Sunday River-Lower System, 1% of them health-based - above the Maine per-system average.

114
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
162
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sunday River-Lower System

Sunday River-Lower System is a private-owned non-transient non-community water system that delivers drinking water to 162 residents in Newry, Maine (Oxford 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 1 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 113 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 Coliform (TCR), recorded in 8 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%).

Sunday River-Lower System'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
162
Total Violations
114
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Oxford
School/Daycare
No
MCL Violations
0
Monitoring Violations
113
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2005
Nitrate MR 7 2022
Cadmium MR 3 2021
Fluoride MR 3 2021
Antimony, Total MR 3 2021
Beryllium, Total MR 3 2021
Selenium MR 3 2021
1,2,4-Trichlorobenzene MR 3 2021
cis-1,2-Dichloroethylene MR 3 2021
DICHLOROMETHANE MR 3 2021
o-Dichlorobenzene MR 3 2021
p-Dichlorobenzene MR 3 2021
Vinyl chloride MR 3 2021
1,1-Dichloroethylene MR 3 2021
trans-1,2-Dichloroethylene MR 3 2021
Carbon tetrachloride MR 3 2021
Trichloroethylene MR 3 2021
Toluene MR 3 2021
Ethylbenzene MR 3 2021
Styrene MR 3 2021
Nickel MR 3 2021
Arsenic MR 3 2021
1,2-Dichloroethane MR 3 2021
CHLOROBENZENE MR 3 2021
Barium MR 3 2021
Xylenes, Total MR 3 2021
Chromium MR 3 2021
1,1,1-Trichloroethane MR 3 2021
Thallium, Total MR 3 2021
Benzene MR 3 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 Sunday River-Lower System.

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 ME0092006 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 Nitrate MR 7 SDWIS / ME0092006 / 1040
2021 Cadmium MR 3 SDWIS / ME0092006 / 1015
2021 Fluoride MR 3 SDWIS / ME0092006 / 1025
2021 Antimony, Total MR 3 SDWIS / ME0092006 / 1074
2021 Beryllium, Total MR 3 SDWIS / ME0092006 / 1075
2021 Selenium MR 3 SDWIS / ME0092006 / 1045
2021 1,2,4-Trichlorobenzene MR 3 SDWIS / ME0092006 / 2378
2021 cis-1,2-Dichloroethylene MR 3 SDWIS / ME0092006 / 2380
2021 DICHLOROMETHANE MR 3 SDWIS / ME0092006 / 2964
2021 o-Dichlorobenzene MR 3 SDWIS / ME0092006 / 2968
2021 p-Dichlorobenzene MR 3 SDWIS / ME0092006 / 2969
2021 Vinyl chloride MR 3 SDWIS / ME0092006 / 2976
2021 1,1-Dichloroethylene MR 3 SDWIS / ME0092006 / 2977
2021 trans-1,2-Dichloroethylene MR 3 SDWIS / ME0092006 / 2979
2021 Carbon tetrachloride MR 3 SDWIS / ME0092006 / 2982

How Sunday River-Lower System Compares

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

Metric Sunday River-Lower System Maine avg Federal benchmark
Total violations 114 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 162 502 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 Sunday River-Lower System water safe to drink?
Sunday River-Lower System (PWS ID: ME0092006) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 162 people using Groundwater sources.
How many people does Sunday River-Lower System serve?
Sunday River-Lower System serves 162 people in Newry, Maine. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Sunday River-Lower System have?
Sunday River-Lower System has 114 total violations: 1 health-based violations (MCL exceedances or treatment failures), 113 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sunday River-Lower System water?
No PFAS testing data is available for Sunday River-Lower System under the EPA's UCMR5 monitoring program.
What water source does Sunday River-Lower System use?
Sunday River-Lower System 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.