Public water system · ME0000596
ActiveRsu 12 Somerville Elementary School
At a glance
Rsu 12 Somerville Elementary School (PWSID ME0000596) is an active non-transient non-community water system in Lincoln County, Maine. It reports serving 29 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
29
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Rsu 12 Somerville Elementary School compare with other water systems in Lincoln County?
By EPA's size categories, Rsu 12 Somerville Elementary School is a very small system (500 people or fewer). Lincoln County has 84 active public water systems. Its population served is well below the county average of 289 people per system, and accounts for 0.1% of the 24,301 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 Rsu 12 Somerville Elementary School is well 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 Rsu 12 Somerville Elementary School?
EPA lists Rsu 12 Somerville Elementary School as owned by a local government. 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. 17 of the 84 active systems in Lincoln County (20%) are also owned by a local government.
Does Rsu 12 Somerville Elementary School 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 2021. The violations listed here began between January 2019 and January 2021. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, Thallium, Barium and Beryllium. 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 |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | 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.
Rsu 12 Somerville Elementary School: frequently asked questions
Who runs Rsu 12 Somerville Elementary School?
Rsu 12 Somerville Elementary School (PWSID ME0000596) is a non-transient non-community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Rsu 12 Somerville Elementary School serve?
Rsu 12 Somerville Elementary School reports serving 29 people through 1 service connection in Lincoln County, Maine.
Where does Rsu 12 Somerville Elementary School 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 Rsu 12 Somerville Elementary School 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 2021. 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 Rsu 12 Somerville Elementary School'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 2021. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Rsu 12 Somerville Elementary School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rsu 12 Somerville Elementary School 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Boothbay Region Water District | Lincoln | 8,448 | Community | Surface water |
| Great Salt Bay Sanitary District | Lincoln | 2,143 | Community | Surface water |
| Wiscasset Water District | Lincoln | 1,970 | Community | Purchased surface water |
| Waldoboro Water Dept | Lincoln | 1,065 | Community | Groundwater |
| Lake Pemaquid Campground | Lincoln | 808 | Transient non-community | Groundwater |
| Rsu 40 Medomak Valley High School | Lincoln | 669 | Non-transient non-community | Groundwater |
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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, “Rsu 12 Somerville Elementary School, PWSID ME0000596, Maine”, https://aquacensus.com/water-systems/maine/rsu-12-somerville-elementary-school-me0000596 (data as of October 1, 2026).