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Community Water System · PWS ME0095570

Unity by the Stream LLC

Hancock, Maine 04640 - drinking water served from groundwater sources to 88 people, tracked in EPA SDWIS and UCMR5.

88
People served
233
EPA violations
133
Health-based
Untested
UCMR5 result

The verdict

EPA records 233 drinking-water violations at Unity by the Stream LLC, 57% of them health-based - above the Maine per-system average.

233
Total EPA violations on record
57%
Health-based (MCL / treatment failure)
88
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Unity by the Stream LLC

Unity by the Stream LLC is a private-owned community water system that delivers drinking water to 88 residents in Hancock, Maine (Waldo County) through 35 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 233 total violations for this system , of which 133 (57%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 76 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 Arsenic, recorded in 124 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, 14 of 41 UCMR5-tested systems have reported PFAS detections (34.1%).

Unity by the Stream LLC's 233 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
233
Health-Based Violations
133
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
35
County
Waldo
School/Daycare
No
MCL Violations
131
Monitoring Violations
76
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 124 2025
Coliform (TCR) MR 32 2008
TTHM MR 16 2022
Total Haloacetic Acids (HAA5) MR 16 2022
Public Notice Other 11 2024
Coliform (TCR) MCL 7 1998
Consumer Confidence Rule Other 7 2024
Arsenic MR 4 2008
Revised Total Coliform Rule MON 4 2022
Lead and Copper Rule MR 4 2008
Lead and Copper Rule TT 2 2006

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 Unity by the Stream 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 ME0095570 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 Arsenic MCL 124 SDWIS / ME0095570 / 1005
2024 Public Notice Other 11 SDWIS / ME0095570 / 7500
2024 Consumer Confidence Rule Other 7 SDWIS / ME0095570 / 7000
2022 TTHM MR 16 SDWIS / ME0095570 / 2950
2022 Total Haloacetic Acids (HAA5) MR 16 SDWIS / ME0095570 / 2456
2022 Revised Total Coliform Rule MON 4 SDWIS / ME0095570 / 8000
2008 Coliform (TCR) MR 32 SDWIS / ME0095570 / 3100
2008 Arsenic MR 4 SDWIS / ME0095570 / 1005
2008 Lead and Copper Rule MR 4 SDWIS / ME0095570 / 5000
2006 Lead and Copper Rule TT 2 SDWIS / ME0095570 / 5000
1998 Coliform (TCR) MCL 7 SDWIS / ME0095570 / 3100

How Unity by the Stream LLC Compares

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

Metric Unity by the Stream LLC Maine avg Federal benchmark
Total violations 233 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 133 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 Unity by the Stream LLC water safe to drink? ▼
Unity by the Stream LLC (PWS ID: ME0095570) has 233 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 Unity by the Stream LLC serve? ▼
Unity by the Stream LLC serves 88 people in Hancock, Maine. It is a Private-owned system using Groundwater water sources with 35 service connections.
What type of violations does Unity by the Stream LLC have? ▼
Unity by the Stream LLC has 233 total violations: 133 health-based violations (MCL exceedances or treatment failures), 76 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Unity by the Stream LLC water? ▼
No PFAS testing data is available for Unity by the Stream LLC under the EPA's UCMR5 monitoring program.
What water source does Unity by the Stream LLC use? ▼
Unity by the Stream 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.

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.