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RSU 03 MONROE ELEMENTARY SCHOOL

PWS ID: ME0000419 · UNITY, Maine 04988

RSU 03 MONROE ELEMENTARY SCHOOL serves 71 people in UNITY, Maine using Groundwater water sources. It has 33 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RSU 03 MONROE ELEMENTARY SCHOOL

RSU 03 MONROE ELEMENTARY SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 71 residents in UNITY, Maine (Waldo County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 33 total violations for this system , of which 3 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 25 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 12 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Maine, EPA tracks 1,864 public water systems serving 936,624 people, with 148,796 cumulative violations and 23,741 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 79.8 violations. RSU 03 MONROE ELEMENTARY SCHOOL's 33 violations sit below the Maine average. Statewide, 14 of 41 UCMR5-tested systems have reported PFAS detections (34.1%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
71
Total Violations
33
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Waldo
School/Daycare
Yes
MCL Violations
3
Monitoring Violations
25
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 12 2021
Coliform (TCR) MR 5 2013
Revised Total Coliform Rule MON 4 2018
Nitrate MR 4 2013
Coliform (TCR) MCL 3 1992
Public Notice Other 3 2022
Revised Total Coliform Rule RPT 1 2021

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for RSU 03 MONROE ELEMENTARY SCHOOL.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID ME0000419 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Maine Drinking Water Authority

Maine's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find ME regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2022 Public Notice Other 3 SDWIS / ME0000419 / 7500
2021 Lead and Copper Rule MR 12 SDWIS / ME0000419 / 5000
2021 Revised Total Coliform Rule RPT 1 SDWIS / ME0000419 / 8000
2018 Revised Total Coliform Rule MON 4 SDWIS / ME0000419 / 8000
2013 Coliform (TCR) MR 5 SDWIS / ME0000419 / 3100
2013 Nitrate MR 4 SDWIS / ME0000419 / 1040
1992 Coliform (TCR) MCL 3 SDWIS / ME0000419 / 3100

How RSU 03 MONROE ELEMENTARY SCHOOL Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric RSU 03 MONROE ELEMENTARY SCHOOL Maine avg Federal benchmark
Total violations 33 79.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 12.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 34.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 71 502 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,864 regulated public water systems in Maine.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is RSU 03 MONROE ELEMENTARY SCHOOL water safe to drink?
RSU 03 MONROE ELEMENTARY SCHOOL (PWS ID: ME0000419) has 33 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 71 people using Groundwater sources.
How many people does RSU 03 MONROE ELEMENTARY SCHOOL serve?
RSU 03 MONROE ELEMENTARY SCHOOL serves 71 people in UNITY, Maine. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does RSU 03 MONROE ELEMENTARY SCHOOL have?
RSU 03 MONROE ELEMENTARY SCHOOL has 33 total violations: 3 health-based violations (MCL exceedances or treatment failures), 25 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RSU 03 MONROE ELEMENTARY SCHOOL water?
No PFAS testing data is available for RSU 03 MONROE ELEMENTARY SCHOOL under the EPA's UCMR5 monitoring program.
What water source does RSU 03 MONROE ELEMENTARY SCHOOL use?
RSU 03 MONROE ELEMENTARY SCHOOL uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial