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Non-Transient Non-Community Water System · PWS ME0093805

Rsu 87 Carmel Elementary School

Carmel, Maine 04419 - drinking water served from groundwater sources to 201 people, tracked in EPA SDWIS and UCMR5.

201
People served
154
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 154 drinking-water violations at Rsu 87 Carmel Elementary School, 13% of them health-based - above the Maine per-system average.

154
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
201
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Rsu 87 Carmel Elementary School

Rsu 87 Carmel Elementary School is a local-owned non-transient non-community water system that delivers drinking water to 201 residents in Carmel, Maine (Penobscot County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 154 total violations for this system , of which 20 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 133 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 37 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. Statewide, 14 of 41 UCMR5-tested systems have reported PFAS detections (34.1%).

Rsu 87 Carmel Elementary School's 154 violations sit above 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
201
Total Violations
154
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Penobscot
School/Daycare
Yes
MCL Violations
20
Monitoring Violations
133
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 37 2009
Coliform (TCR) MCL 15 1999
Lead and Copper Rule MR 6 2017
Antimony, Total MCL 5 2002
Arsenic MR 4 2009
Antimony, Total MR 4 2009
Xylenes, Total MR 4 1996
DICHLOROMETHANE MR 4 1996
o-Dichlorobenzene MR 4 1996
p-Dichlorobenzene MR 4 1996
Vinyl chloride MR 4 1996
1,1-Dichloroethylene MR 4 1996
trans-1,2-Dichloroethylene MR 4 1996
1,2-Dichloroethane MR 4 1996
1,1,1-Trichloroethane MR 4 1996
1,1,2-Trichloroethane MR 4 1996
Tetrachloroethylene MR 4 1996
Benzene MR 4 1996
Toluene MR 4 1996
Ethylbenzene MR 4 1996
Styrene MR 4 1996
1,2-Dichloropropane MR 4 1996
Carbon tetrachloride MR 4 1996
CHLOROBENZENE MR 4 1996
Trichloroethylene MR 4 1996
1,2,4-Trichlorobenzene MR 3 1996
cis-1,2-Dichloroethylene MR 3 1996
Public Notice Other 1 2013

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 87 Carmel 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 ME0093805 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
2017 Lead and Copper Rule MR 6 SDWIS / ME0093805 / 5000
2013 Public Notice Other 1 SDWIS / ME0093805 / 7500
2009 Coliform (TCR) MR 37 SDWIS / ME0093805 / 3100
2009 Arsenic MR 4 SDWIS / ME0093805 / 1005
2009 Antimony, Total MR 4 SDWIS / ME0093805 / 1074
2002 Antimony, Total MCL 5 SDWIS / ME0093805 / 1074
1999 Coliform (TCR) MCL 15 SDWIS / ME0093805 / 3100
1996 Xylenes, Total MR 4 SDWIS / ME0093805 / 2955
1996 DICHLOROMETHANE MR 4 SDWIS / ME0093805 / 2964
1996 o-Dichlorobenzene MR 4 SDWIS / ME0093805 / 2968
1996 p-Dichlorobenzene MR 4 SDWIS / ME0093805 / 2969
1996 Vinyl chloride MR 4 SDWIS / ME0093805 / 2976
1996 1,1-Dichloroethylene MR 4 SDWIS / ME0093805 / 2977
1996 trans-1,2-Dichloroethylene MR 4 SDWIS / ME0093805 / 2979
1996 1,2-Dichloroethane MR 4 SDWIS / ME0093805 / 2980

How Rsu 87 Carmel Elementary School Compares

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

Metric Rsu 87 Carmel Elementary School Maine avg Federal benchmark
Total violations 154 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 201 502 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 87 Carmel Elementary School water safe to drink? ▼
Rsu 87 Carmel Elementary School (PWS ID: ME0093805) has 154 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 201 people using Groundwater sources.
How many people does Rsu 87 Carmel Elementary School serve? ▼
Rsu 87 Carmel Elementary School serves 201 people in Carmel, Maine. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Rsu 87 Carmel Elementary School have? ▼
Rsu 87 Carmel Elementary School has 154 total violations: 20 health-based violations (MCL exceedances or treatment failures), 133 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Rsu 87 Carmel Elementary School water? ▼
No PFAS testing data is available for Rsu 87 Carmel Elementary School under the EPA's UCMR5 monitoring program.
What water source does Rsu 87 Carmel Elementary School use? ▼
Rsu 87 Carmel 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.