PlainWater

Non-Transient Non-Community Water System · PWS ME0000377

Rsu 04 Libby Tozier School

Wales, Maine 04280 - drinking water served from groundwater sources to 213 people, tracked in EPA SDWIS and UCMR5.

213
People served
23
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 23 drinking-water violations at Rsu 04 Libby Tozier School, 87% of them health-based - below the Maine per-system average.

23
Total EPA violations on record
87%
Health-based (MCL / treatment failure)
213
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Rsu 04 Libby Tozier School

Rsu 04 Libby Tozier School is a local-owned non-transient non-community water system that delivers drinking water to 213 residents in Wales, Maine (Kennebec County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 23 total violations for this system , of which 20 (87%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 20 violations (MCL, health-based). 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. Statewide, 14 of 41 UCMR5-tested systems have reported PFAS detections (34.1%).

Rsu 04 Libby Tozier School's 23 violations sit below the Maine average.

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
213
Total Violations
23
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Kennebec
School/Daycare
Yes
MCL Violations
20
Monitoring Violations
3
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 20 2015
Coliform (TCR) MR 3 1995

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 04 Libby Tozier 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 ME0000377 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
2015 Coliform (TCR) MCL 20 SDWIS / ME0000377 / 3100
1995 Coliform (TCR) MR 3 SDWIS / ME0000377 / 3100

How Rsu 04 Libby Tozier School Compares

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

Metric Rsu 04 Libby Tozier School Maine avg Federal benchmark
Total violations 23 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 20 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 213 502 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Rsu 04 Libby Tozier School water safe to drink?
Rsu 04 Libby Tozier School (PWS ID: ME0000377) has 23 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 213 people using Groundwater sources.
How many people does Rsu 04 Libby Tozier School serve?
Rsu 04 Libby Tozier School serves 213 people in Wales, Maine. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Rsu 04 Libby Tozier School have?
Rsu 04 Libby Tozier School has 23 total violations: 20 health-based violations (MCL exceedances or treatment failures), 3 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Rsu 04 Libby Tozier School water?
No PFAS testing data is available for Rsu 04 Libby Tozier School under the EPA's UCMR5 monitoring program.
What water source does Rsu 04 Libby Tozier School use?
Rsu 04 Libby Tozier 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.