PlainWater

IDPR PRIEST LAKE SP LIONHEAD GRP CG

PWS ID: ID1090207 · COOLIN, Idaho 83821

IDPR PRIEST LAKE SP LIONHEAD GRP CG serves 56 people in COOLIN, Idaho using Groundwater water sources. It has 28 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: IDPR PRIEST LAKE SP LIONHEAD GRP CG

IDPR PRIEST LAKE SP LIONHEAD GRP CG is a state-owned transient non-community water system that delivers drinking water to 56 residents in COOLIN, Idaho (Bonner County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 28 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 28 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 19 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Idaho, EPA tracks 2,005 public water systems serving 1,743,912 people, with 104,850 cumulative violations and 19,965 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 52.3 violations. IDPR PRIEST LAKE SP LIONHEAD GRP CG's 28 violations sit below the Idaho average. Statewide, 40 of 60 UCMR5-tested systems have reported PFAS detections (66.7%). 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
56
Total Violations
28
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
10
County
Bonner
School/Daycare
No
MCL Violations
0
Monitoring Violations
28
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 19 2022
Nitrate MR 3 2009
E. COLI MR 3 2019
Coliform (TCR) MR 3 2009

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 IDPR PRIEST LAKE SP LIONHEAD GRP CG.

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 ID1090207 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Idaho Drinking Water Authority

Idaho'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 ID 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
2022 Revised Total Coliform Rule MON 19 SDWIS / ID1090207 / 8000
2019 E. COLI MR 3 SDWIS / ID1090207 / 3014
2009 Nitrate MR 3 SDWIS / ID1090207 / 1040
2009 Coliform (TCR) MR 3 SDWIS / ID1090207 / 3100

How IDPR PRIEST LAKE SP LIONHEAD GRP CG Compares

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

Metric IDPR PRIEST LAKE SP LIONHEAD GRP CG Idaho avg Federal benchmark
Total violations 28 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 10 Indicates a contaminant exceeded a federal MCL
PFAS detection None 66.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 56 870 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,005 regulated public water systems in Idaho.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is IDPR PRIEST LAKE SP LIONHEAD GRP CG water safe to drink?
IDPR PRIEST LAKE SP LIONHEAD GRP CG (PWS ID: ID1090207) has 28 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 56 people using Groundwater sources.
How many people does IDPR PRIEST LAKE SP LIONHEAD GRP CG serve?
IDPR PRIEST LAKE SP LIONHEAD GRP CG serves 56 people in COOLIN, Idaho. It is a State-owned system using Groundwater water sources with 10 service connections.
What type of violations does IDPR PRIEST LAKE SP LIONHEAD GRP CG have?
IDPR PRIEST LAKE SP LIONHEAD GRP CG has 28 total violations: 0 health-based violations (MCL exceedances or treatment failures), 28 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in IDPR PRIEST LAKE SP LIONHEAD GRP CG water?
No PFAS testing data is available for IDPR PRIEST LAKE SP LIONHEAD GRP CG under the EPA's UCMR5 monitoring program.
What water source does IDPR PRIEST LAKE SP LIONHEAD GRP CG use?
IDPR PRIEST LAKE SP LIONHEAD GRP CG 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial