Public water system · ME0092006
ActiveSunday River-Lower System
At a glance
Sunday River-Lower System (PWSID ME0092006) is an active non-transient non-community water system in Oxford County, Maine. It reports serving 162 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
162
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Sunday River-Lower System compare with other water systems in Oxford County?
By EPA's size categories, Sunday River-Lower System is a very small system (500 people or fewer). Oxford County has 133 active public water systems. Its population served is about half of the county average of 306 people per system, and accounts for 0.4% of the 40,635 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Sunday River-Lower System is about 62% below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Maine has 385 active non-transient non-community water systems, 21% of the state's 1,862 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,780 Maine systems (96%) list groundwater as their primary source.
Who owns and regulates Sunday River-Lower System?
EPA lists Sunday River-Lower System as privately owned. The ME state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 113 of the 133 active systems in Oxford County (85%) are also privately owned.
Does Sunday River-Lower System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. The violations listed here began between January 2021 and January 2022. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, o-Dichlorobenzene, Beryllium and Cadmium. EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Sunday River-Lower System: frequently asked questions
Who runs Sunday River-Lower System?
Sunday River-Lower System (PWSID ME0092006) is a non-transient non-community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Sunday River-Lower System serve?
Sunday River-Lower System reports serving 162 people through 1 service connection in Oxford County, Maine.
Where does Sunday River-Lower System get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Sunday River-Lower System have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Sunday River-Lower System's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Sunday River-Lower System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sunday River-Lower System is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Oxford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rumford Water District | Oxford | 4,050 | Community | Groundwater |
| Paris Utility District | Oxford | 2,940 | Community | Groundwater |
| Mexico Water District | Oxford | 2,425 | Community | Groundwater |
| Fryeburg Water Company | Oxford | 2,085 | Community | Groundwater |
| Norway Water District | Oxford | 2,000 | Community | Groundwater |
| Bethel Water District | Oxford | 1,813 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Sunday River-Lower System, PWSID ME0092006, Maine”, https://aquacensus.com/water-systems/maine/sunday-river-lower-system-me0092006 (data as of October 1, 2026).