PlainWater

Community Water System · PWS ME0002245

Harriman Cove Park LLC

Old Town, Maine 04468 - drinking water served from groundwater sources to 45 people, tracked in EPA SDWIS and UCMR5.

45
People served
314
EPA violations
22
Health-based
Untested
UCMR5 result

The verdict

EPA records 314 drinking-water violations at Harriman Cove Park LLC, 7% of them health-based - above the Maine per-system average.

314
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
45
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Harriman Cove Park LLC

Harriman Cove Park LLC is a private-owned community water system that delivers drinking water to 45 residents in Old Town, Maine (Hancock County) through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 314 total violations for this system , of which 22 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 256 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 64 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, 10 of 41 UCMR5-tested systems have reported PFAS detections (24.4%).

Harriman Cove Park LLC's 314 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
45
Total Violations
314
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
15
County
Hancock
School/Daycare
No
MCL Violations
22
Monitoring Violations
256
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 64 2006
Consumer Confidence Rule Other 35 2023
Coliform (TCR) MCL 15 2002
Nitrate MR 13 2006
Lead and Copper Rule MR 10 2017
Arsenic MCL 7 2007
Cadmium MR 5 2004
Mercury MR 5 2004
Selenium MR 5 2004
Antimony, Total MR 5 2004
Beryllium, Total MR 5 2004
Thallium, Total MR 5 2004
Xylenes, Total MR 5 2004
DICHLOROMETHANE MR 5 2004
1,1-Dichloroethylene MR 5 2004
trans-1,2-Dichloroethylene MR 5 2004
1,2-Dichloroethane MR 5 2004
1,1,1-Trichloroethane MR 5 2004
Carbon tetrachloride MR 5 2004
1,2-Dichloropropane MR 5 2004
Benzene MR 5 2004
Toluene MR 5 2004
Ethylbenzene MR 5 2004
Styrene MR 5 2004
Arsenic MR 5 2004
cis-1,2-Dichloroethylene MR 5 2004
Fluoride MR 5 2004
Trichloroethylene MR 5 2004
Vinyl chloride MR 5 2004
Nickel MR 5 2004

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 Harriman Cove Park LLC.

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 ME0002245 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
2023 Consumer Confidence Rule Other 35 SDWIS / ME0002245 / 7000
2017 Lead and Copper Rule MR 10 SDWIS / ME0002245 / 5000
2007 Arsenic MCL 7 SDWIS / ME0002245 / 1005
2006 Coliform (TCR) MR 64 SDWIS / ME0002245 / 3100
2006 Nitrate MR 13 SDWIS / ME0002245 / 1040
2004 Cadmium MR 5 SDWIS / ME0002245 / 1015
2004 Mercury MR 5 SDWIS / ME0002245 / 1035
2004 Selenium MR 5 SDWIS / ME0002245 / 1045
2004 Antimony, Total MR 5 SDWIS / ME0002245 / 1074
2004 Beryllium, Total MR 5 SDWIS / ME0002245 / 1075
2004 Thallium, Total MR 5 SDWIS / ME0002245 / 1085
2004 Xylenes, Total MR 5 SDWIS / ME0002245 / 2955
2004 DICHLOROMETHANE MR 5 SDWIS / ME0002245 / 2964
2004 1,1-Dichloroethylene MR 5 SDWIS / ME0002245 / 2977
2004 trans-1,2-Dichloroethylene MR 5 SDWIS / ME0002245 / 2979

How Harriman Cove Park LLC Compares

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

Metric Harriman Cove Park LLC Maine avg Federal benchmark
Total violations 314 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 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 45 502 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 Harriman Cove Park LLC water safe to drink?
Harriman Cove Park LLC (PWS ID: ME0002245) has 314 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 45 people using Groundwater sources.
How many people does Harriman Cove Park LLC serve?
Harriman Cove Park LLC serves 45 people in Old Town, Maine. It is a Private-owned system using Groundwater water sources with 15 service connections.
What type of violations does Harriman Cove Park LLC have?
Harriman Cove Park LLC has 314 total violations: 22 health-based violations (MCL exceedances or treatment failures), 256 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Harriman Cove Park LLC water?
No PFAS testing data is available for Harriman Cove Park LLC under the EPA's UCMR5 monitoring program.
What water source does Harriman Cove Park LLC use?
Harriman Cove Park LLC uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.