Public water system · ME0000012
ActiveMildred L Day School - Arundel
At a glance
Mildred L Day School - Arundel (PWSID ME0000012) is an active non-transient non-community water system in York County, Maine. It reports serving 300 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; 7 are health-based, and the most recent began in December 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mildred L Day School - Arundel compare with other water systems in York County?
By EPA's size categories, Mildred L Day School - Arundel is a very small system (500 people or fewer). York County has 188 active public water systems. Its population served is about 66% below the county average of 877 people per system, and accounts for 0.2% 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 Mildred L Day School - Arundel is about 30% 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 Mildred L Day School - Arundel?
EPA lists Mildred L Day School - Arundel 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 Mildred L Day School - Arundel have drinking water violations?
EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in December 2022. The violations listed here began between July 2002 and December 2022. By type: 7 contaminant level above the legal limit and 4 monitoring and reporting. The contaminant or rule involved most often is Arsenic (5 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 |
|---|---|---|---|---|
| 2022-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2008-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2008-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2007-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2007-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2007-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2003-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Mildred L Day School - Arundel: frequently asked questions
Who runs Mildred L Day School - Arundel?
Mildred L Day School - Arundel (PWSID ME0000012) is a non-transient non-community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Mildred L Day School - Arundel serve?
Mildred L Day School - Arundel reports serving 300 people through 1 service connection in York County, Maine.
Where does Mildred L Day School - Arundel 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 Mildred L Day School - Arundel have any drinking water violations?
EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in December 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 Mildred L Day School - Arundel'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; 7 are health-based, and the most recent began in December 2022. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Mildred L Day School - Arundel's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mildred L Day School - Arundel 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 |
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, “Mildred L Day School - Arundel, PWSID ME0000012, Maine”, https://aquacensus.com/water-systems/maine/mildred-l-day-school-arundel-me0000012 (data as of October 1, 2026).