PlainWater

COUGAR CREEK WATER ASSN

PWS ID: ID1090030 · COOLIN, Idaho 83821

COUGAR CREEK WATER ASSN serves 270 people in COOLIN, Idaho using Groundwater water sources. It has 69 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COUGAR CREEK WATER ASSN

COUGAR CREEK WATER ASSN is a private-owned community water system that delivers drinking water to 270 residents in COOLIN, Idaho (Bonner County) through 108 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 69 total violations for this system , of which 2 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 66 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 18 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. COUGAR CREEK WATER ASSN's 69 violations sit above 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
270
Total Violations
69
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
108
County
Bonner
School/Daycare
No
MCL Violations
2
Monitoring Violations
66
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 18 2021
Coliform (TCR) MR 17 2015
Nitrate MR 10 2019
E. COLI MR 6 2020
Coliform (TCR) MCL 2 1991
Nitrite MR 1 1993
Cadmium MR 1 1979
2,4-D MR 1 1979
Fluoride MR 1 1979
BHC-GAMMA MR 1 1979
Toxaphene MR 1 1979
Methoxychlor MR 1 1979
2,4,5-TP MR 1 1979
Barium MR 1 1979
Selenium MR 1 1979
Chromium MR 1 1979
Endrin MR 1 1979
Arsenic MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1979
Mercury MR 1 1979

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 COUGAR CREEK WATER ASSN.

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 ID1090030 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
2021 Revised Total Coliform Rule MON 18 SDWIS / ID1090030 / 8000
2020 E. COLI MR 6 SDWIS / ID1090030 / 3014
2019 Nitrate MR 10 SDWIS / ID1090030 / 1040
2015 Coliform (TCR) MR 17 SDWIS / ID1090030 / 3100
1993 Nitrite MR 1 SDWIS / ID1090030 / 1041
1991 Coliform (TCR) MCL 2 SDWIS / ID1090030 / 3100
1979 Cadmium MR 1 SDWIS / ID1090030 / 1015
1979 2,4-D MR 1 SDWIS / ID1090030 / 2105
1979 Fluoride MR 1 SDWIS / ID1090030 / 1025
1979 BHC-GAMMA MR 1 SDWIS / ID1090030 / 2010
1979 Toxaphene MR 1 SDWIS / ID1090030 / 2020
1979 Methoxychlor MR 1 SDWIS / ID1090030 / 2015
1979 2,4,5-TP MR 1 SDWIS / ID1090030 / 2110
1979 Barium MR 1 SDWIS / ID1090030 / 1010
1979 Selenium MR 1 SDWIS / ID1090030 / 1045

How COUGAR CREEK WATER ASSN Compares

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

Metric COUGAR CREEK WATER ASSN Idaho avg Federal benchmark
Total violations 69 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 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 270 870 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 COUGAR CREEK WATER ASSN water safe to drink?
COUGAR CREEK WATER ASSN (PWS ID: ID1090030) has 69 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 270 people using Groundwater sources.
How many people does COUGAR CREEK WATER ASSN serve?
COUGAR CREEK WATER ASSN serves 270 people in COOLIN, Idaho. It is a Private-owned system using Groundwater water sources with 108 service connections.
What type of violations does COUGAR CREEK WATER ASSN have?
COUGAR CREEK WATER ASSN has 69 total violations: 2 health-based violations (MCL exceedances or treatment failures), 66 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COUGAR CREEK WATER ASSN water?
No PFAS testing data is available for COUGAR CREEK WATER ASSN under the EPA's UCMR5 monitoring program.
What water source does COUGAR CREEK WATER ASSN use?
COUGAR CREEK WATER ASSN 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.

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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 Kiznis Studio Editorial