Public water system · ME0000676
ActiveMsad 11 Helen Thompson School
At a glance
Msad 11 Helen Thompson School (PWSID ME0000676) is an active non-transient non-community water system in Kennebec County, Maine. It reports serving 331 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, 2 are health-based, and the most recent began in December 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
331
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Msad 11 Helen Thompson School compare with other water systems in Kennebec County?
By EPA's size categories, Msad 11 Helen Thompson School is a very small system (500 people or fewer). Kennebec County has 169 active public water systems. Its population served is about 30% below the county average of 470 people per system, and accounts for 0.4% 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 Msad 11 Helen Thompson School is about 23% 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 Msad 11 Helen Thompson School?
EPA lists Msad 11 Helen Thompson 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 Msad 11 Helen Thompson School have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2013. The violations listed here began between January 1996 and December 2013. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 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 |
|---|---|---|---|---|
| 2013-12-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-09-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | 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.
Msad 11 Helen Thompson School: frequently asked questions
Who runs Msad 11 Helen Thompson School?
Msad 11 Helen Thompson School (PWSID ME0000676) 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 Msad 11 Helen Thompson School serve?
Msad 11 Helen Thompson School reports serving 331 people through 1 service connection in Kennebec County, Maine.
Where does Msad 11 Helen Thompson 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 Msad 11 Helen Thompson School have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2013. 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 Msad 11 Helen Thompson 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, 2 are health-based, and the most recent began in December 2013. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Msad 11 Helen Thompson School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Msad 11 Helen Thompson 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, “Msad 11 Helen Thompson School, PWSID ME0000676, Maine”, https://aquacensus.com/water-systems/maine/msad-11-helen-thompson-school-me0000676 (data as of October 1, 2026).