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RSU 12 PALERMO CONSOLIDATED SCHOOL

PWS ID: ME0000476 · SOMERVILLE, Maine 04348

RSU 12 PALERMO CONSOLIDATED SCHOOL serves 151 people in SOMERVILLE, Maine using Groundwater water sources. It has 95 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RSU 12 PALERMO CONSOLIDATED SCHOOL

RSU 12 PALERMO CONSOLIDATED SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 151 residents in SOMERVILLE, Maine (Waldo County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 95 total violations for this system , of which 4 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 91 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 Coliform (TCR), recorded in 24 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 12 PALERMO CONSOLIDATED SCHOOL's 95 violations sit above 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
151
Total Violations
95
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Waldo
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
91
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 24 2010
Coliform (TCR) MCL 4 2003
Revised Total Coliform Rule MON 4 2022
DICHLOROMETHANE MR 3 1995
o-Dichlorobenzene MR 3 1995
p-Dichlorobenzene MR 3 1995
1,1-Dichloroethylene MR 3 1995
trans-1,2-Dichloroethylene MR 3 1995
1,2-Dichloroethane MR 3 1995
1,1,1-Trichloroethane MR 3 1995
Trichloroethylene MR 3 1995
Benzene MR 3 1995
Ethylbenzene MR 3 1995
CHLOROBENZENE MR 3 1995
Xylenes, Total MR 3 1995
Toluene MR 3 1995
Styrene MR 3 1995
1,1,2-Trichloroethane MR 3 1995
Tetrachloroethylene MR 3 1995
Vinyl chloride MR 3 1995
Carbon tetrachloride MR 3 1995
1,2-Dichloropropane MR 3 1995
1,2,4-Trichlorobenzene MR 2 1995
cis-1,2-Dichloroethylene MR 2 1995
Lead and Copper Rule MR 2 2020

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 12 PALERMO CONSOLIDATED 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 ME0000476 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 Revised Total Coliform Rule MON 4 SDWIS / ME0000476 / 8000
2020 Lead and Copper Rule MR 2 SDWIS / ME0000476 / 5000
2010 Coliform (TCR) MR 24 SDWIS / ME0000476 / 3100
2003 Coliform (TCR) MCL 4 SDWIS / ME0000476 / 3100
1995 DICHLOROMETHANE MR 3 SDWIS / ME0000476 / 2964
1995 o-Dichlorobenzene MR 3 SDWIS / ME0000476 / 2968
1995 p-Dichlorobenzene MR 3 SDWIS / ME0000476 / 2969
1995 1,1-Dichloroethylene MR 3 SDWIS / ME0000476 / 2977
1995 trans-1,2-Dichloroethylene MR 3 SDWIS / ME0000476 / 2979
1995 1,2-Dichloroethane MR 3 SDWIS / ME0000476 / 2980
1995 1,1,1-Trichloroethane MR 3 SDWIS / ME0000476 / 2981
1995 Trichloroethylene MR 3 SDWIS / ME0000476 / 2984
1995 Benzene MR 3 SDWIS / ME0000476 / 2990
1995 Ethylbenzene MR 3 SDWIS / ME0000476 / 2992
1995 CHLOROBENZENE MR 3 SDWIS / ME0000476 / 2989

How RSU 12 PALERMO CONSOLIDATED SCHOOL Compares

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

Metric RSU 12 PALERMO CONSOLIDATED SCHOOL Maine avg Federal benchmark
Total violations 95 79.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 151 502 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 12 PALERMO CONSOLIDATED SCHOOL water safe to drink?
RSU 12 PALERMO CONSOLIDATED SCHOOL (PWS ID: ME0000476) has 95 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 151 people using Groundwater sources.
How many people does RSU 12 PALERMO CONSOLIDATED SCHOOL serve?
RSU 12 PALERMO CONSOLIDATED SCHOOL serves 151 people in SOMERVILLE, Maine. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does RSU 12 PALERMO CONSOLIDATED SCHOOL have?
RSU 12 PALERMO CONSOLIDATED SCHOOL has 95 total violations: 4 health-based violations (MCL exceedances or treatment failures), 91 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RSU 12 PALERMO CONSOLIDATED SCHOOL water?
No PFAS testing data is available for RSU 12 PALERMO CONSOLIDATED SCHOOL under the EPA's UCMR5 monitoring program.
What water source does RSU 12 PALERMO CONSOLIDATED SCHOOL use?
RSU 12 PALERMO CONSOLIDATED 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