Public water system · ME0094637
ActiveRsu 35 Marshwood High School
At a glance
Rsu 35 Marshwood High School (PWSID ME0094637) is an active non-transient non-community water system in York County, Maine. It reports serving 760 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in November 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
760
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Rsu 35 Marshwood High School compare with other water systems in York County?
By EPA's size categories, Rsu 35 Marshwood High School is a small system (501 to 3,300 people). York County has 188 active public water systems. Its population served is about 13% below the county average of 877 people per system, and accounts for 0.5% of the 164,945 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 35 Marshwood High School is about 77% above 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 35 Marshwood High School?
EPA lists Rsu 35 Marshwood High School 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. 161 of the 188 active systems in York County (86%) are also privately owned.
Does Rsu 35 Marshwood High School have drinking water violations?
EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in November 2019. The violations listed here began between January 2005 and November 2019. By type: 6 monitoring and reporting, 3 required treatment not met, 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 10 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-11-11 | Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-11-11 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-11-11 | Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-03-12 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2008-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 11 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 35 Marshwood High School: frequently asked questions
Who runs Rsu 35 Marshwood High School?
Rsu 35 Marshwood High School (PWSID ME0094637) is a non-transient non-community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Rsu 35 Marshwood High School serve?
Rsu 35 Marshwood High School reports serving 760 people through 1 service connection in York County, Maine.
Where does Rsu 35 Marshwood High 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 35 Marshwood High School have any drinking water violations?
EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in November 2019. 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 35 Marshwood High 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. EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in November 2019. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Rsu 35 Marshwood High School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rsu 35 Marshwood High 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 York County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Maine Water Company Biddeford Saco Div | York | 42,508 | Community | Surface water |
| Kennebunk, Kennebunkport & Wells Wd | York | 35,663 | Community | Surface water |
| Kittery Water District | York | 14,478 | Community | Surface water |
| Sanford Water District | York | 14,328 | Community | Groundwater |
| York Water District | York | 13,675 | Community | Surface water |
| South Berwick Water District | York | 3,722 | 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 35 Marshwood High School, PWSID ME0094637, Maine”, https://aquacensus.com/water-systems/maine/rsu-35-marshwood-high-school-me0094637 (data as of October 1, 2026).