Public water system · ME0000697
ActiveRsu 12 Windsor Elementary School
At a glance
Rsu 12 Windsor Elementary School (PWSID ME0000697) is an active non-transient non-community water system in Kennebec County, Maine. It reports serving 360 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, 3 are health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
360
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Rsu 12 Windsor Elementary School compare with other water systems in Kennebec County?
By EPA's size categories, Rsu 12 Windsor Elementary School is a very small system (500 people or fewer). Kennebec County has 169 active public water systems. Its population served is about 23% below the county average of 470 people per system, and accounts for 0.5% of the 79,468 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 Windsor Elementary School is about 16% 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 Windsor Elementary School?
EPA lists Rsu 12 Windsor 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. 25 of the 169 active systems in Kennebec County (15%) are also owned by a local government.
Does Rsu 12 Windsor Elementary School have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2018. The violations listed here began between July 1997 and January 2018. By type: 7 monitoring and reporting, 3 contaminant level above the legal limit, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). 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 |
|---|---|---|---|---|
| 2018-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-03-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2003-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2003-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Combined Uraniumcode 4006 | Yes | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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 Windsor Elementary School: frequently asked questions
Who runs Rsu 12 Windsor Elementary School?
Rsu 12 Windsor Elementary School (PWSID ME0000697) 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 Windsor Elementary School serve?
Rsu 12 Windsor Elementary School reports serving 360 people through 1 service connection in Kennebec County, Maine.
Where does Rsu 12 Windsor 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 Windsor Elementary School have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2018. 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 Windsor 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, 3 are health-based, and the most recent began in January 2018. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Rsu 12 Windsor Elementary School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rsu 12 Windsor 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 Kennebec County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kennebec Water District | Kennebec | 22,060 | Community | Surface water |
| Greater Augusta Utility District | Kennebec | 13,750 | Community | Groundwater |
| Gardiner Water District | Kennebec | 9,000 | Community | Groundwater |
| Maine Water Company Oakland Division | Kennebec | 2,873 | Community | Purchased surface water |
| Winthrop Utilities District | Kennebec | 2,750 | Community | Surface water |
| Hallowell Water District | Kennebec | 2,300 | 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 Windsor Elementary School, PWSID ME0000697, Maine”, https://aquacensus.com/water-systems/maine/rsu-12-windsor-elementary-school-me0000697 (data as of October 1, 2026).