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Non-Transient Non-Community Water System · PWS ME0094273

Masters Machine Company

Round Pond, Maine 04564 - drinking water served from groundwater sources to 88 people, tracked in EPA SDWIS and UCMR5.

88
People served
199
EPA violations
24
Health-based
Untested
UCMR5 result

The verdict

EPA records 199 drinking-water violations at Masters Machine Company, 12% of them health-based - above the Maine per-system average.

199
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
88
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Masters Machine Company

Masters Machine Company is a private-owned non-transient non-community water system that delivers drinking water to 88 residents in Round Pond, Maine (Lincoln County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 199 total violations for this system , of which 24 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 165 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 72 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%).

Masters Machine Company's 199 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
88
Total Violations
199
Health-Based Violations
24
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Lincoln
School/Daycare
No
MCL Violations
18
Monitoring Violations
165
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 72 2016
Coliform (TCR) MCL 18 2004
Lead and Copper Rule MR 11 2020
Public Notice Other 10 2014
Cadmium MR 8 2008
Chromium MR 8 2008
Mercury MR 8 2008
Selenium MR 8 2008
Arsenic MR 8 2008
Fluoride MR 8 2008
Barium MR 8 2008
Lead and Copper Rule TT 6 1997
Nitrate MR 5 2005
Nitrite MR 5 2005
Nickel MR 4 2008
Thallium, Total MR 4 2008
Antimony, Total MR 4 2008
Beryllium, Total MR 4 2008

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 Masters Machine Company.

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 ME0094273 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
2020 Lead and Copper Rule MR 11 SDWIS / ME0094273 / 5000
2016 Coliform (TCR) MR 72 SDWIS / ME0094273 / 3100
2014 Public Notice Other 10 SDWIS / ME0094273 / 7500
2008 Cadmium MR 8 SDWIS / ME0094273 / 1015
2008 Chromium MR 8 SDWIS / ME0094273 / 1020
2008 Mercury MR 8 SDWIS / ME0094273 / 1035
2008 Selenium MR 8 SDWIS / ME0094273 / 1045
2008 Arsenic MR 8 SDWIS / ME0094273 / 1005
2008 Fluoride MR 8 SDWIS / ME0094273 / 1025
2008 Barium MR 8 SDWIS / ME0094273 / 1010
2008 Nickel MR 4 SDWIS / ME0094273 / 1036
2008 Thallium, Total MR 4 SDWIS / ME0094273 / 1085
2008 Antimony, Total MR 4 SDWIS / ME0094273 / 1074
2008 Beryllium, Total MR 4 SDWIS / ME0094273 / 1075
2005 Nitrate MR 5 SDWIS / ME0094273 / 1040

How Masters Machine Company Compares

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

Metric Masters Machine Company Maine avg Federal benchmark
Total violations 199 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 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 88 502 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 Masters Machine Company water safe to drink? ▼
Masters Machine Company (PWS ID: ME0094273) has 199 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 88 people using Groundwater sources.
How many people does Masters Machine Company serve? ▼
Masters Machine Company serves 88 people in Round Pond, Maine. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Masters Machine Company have? ▼
Masters Machine Company has 199 total violations: 24 health-based violations (MCL exceedances or treatment failures), 165 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Masters Machine Company water? ▼
No PFAS testing data is available for Masters Machine Company under the EPA's UCMR5 monitoring program.
What water source does Masters Machine Company use? ▼
Masters Machine Company 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.