PlainWater

Transient Non-Community Water System · PWS ME0023141

Gateway Inn

Medway, Maine 04460 - drinking water served from groundwater sources to 76 people, tracked in EPA SDWIS and UCMR5.

76
People served
167
EPA violations
74
Health-based
Untested
UCMR5 result

The verdict

EPA records 167 drinking-water violations at Gateway Inn, 44% of them health-based - above the Maine per-system average.

167
Total EPA violations on record
44%
Health-based (MCL / treatment failure)
76
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Gateway Inn

Gateway Inn is a private-owned transient non-community water system that delivers drinking water to 76 residents in Medway, Maine (Penobscot County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 167 total violations for this system , of which 74 (44%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 73 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 67 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, 10 of 41 UCMR5-tested systems have reported PFAS detections (24.4%).

Gateway Inn's 167 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
76
Total Violations
167
Health-Based Violations
74
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Penobscot
School/Daycare
No
MCL Violations
72
Monitoring Violations
73
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 67 2015
Coliform (TCR) MR 45 2011
Revised Total Coliform Rule MON 28 2024
Public Notice Other 18 2025
Revised Total Coliform Rule MCL 5 2022
Revised Total Coliform Rule TT 2 2022

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 Gateway Inn.

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 ME0023141 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
2025 Public Notice Other 18 SDWIS / ME0023141 / 7500
2024 Revised Total Coliform Rule MON 28 SDWIS / ME0023141 / 8000
2022 Revised Total Coliform Rule MCL 5 SDWIS / ME0023141 / 8000
2022 Revised Total Coliform Rule TT 2 SDWIS / ME0023141 / 8000
2015 Coliform (TCR) MCL 67 SDWIS / ME0023141 / 3100
2011 Coliform (TCR) MR 45 SDWIS / ME0023141 / 3100

How Gateway Inn Compares

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

Metric Gateway Inn Maine avg Federal benchmark
Total violations 167 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 74 12.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 24.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 76 502 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 Gateway Inn water safe to drink?
Gateway Inn (PWS ID: ME0023141) has 167 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 76 people using Groundwater sources.
How many people does Gateway Inn serve?
Gateway Inn serves 76 people in Medway, Maine. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Gateway Inn have?
Gateway Inn has 167 total violations: 74 health-based violations (MCL exceedances or treatment failures), 73 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Gateway Inn water?
No PFAS testing data is available for Gateway Inn under the EPA's UCMR5 monitoring program.
What water source does Gateway Inn use?
Gateway Inn uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.