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CURLEY CREEK WATER ASSN

PWS ID: ID1110008 · MOYIE SPRINGS, Idaho 83845

CURLEY CREEK WATER ASSN serves 50 people in MOYIE SPRINGS, Idaho using Groundwater water sources. It has 129 recorded EPA violations, including 17 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CURLEY CREEK WATER ASSN

CURLEY CREEK WATER ASSN is a private-owned community water system that delivers drinking water to 50 residents in MOYIE SPRINGS, Idaho (Boundary County) through 20 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 129 total violations for this system , of which 17 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 106 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 Coliform (TCR), recorded in 15 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 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. CURLEY CREEK WATER ASSN's 129 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
50
Total Violations
129
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
20
County
Boundary
School/Daycare
No
MCL Violations
17
Monitoring Violations
106
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 15 2015
Coliform (TCR) MR 11 2013
Combined Uranium MR 10 2022
Gross Alpha, Excl. Radon and U MR 10 2022
Radium-228 MR 5 2022
Chlorine MR 4 2011
Radium-226 MR 4 2022
BHC-GAMMA MR 2 2008
Methoxychlor MR 2 2008
Toxaphene MR 2 2008
2,4,5-TP MR 2 2008
Arsenic MCL 2 2025
Nitrate MR 2 1996
Lead and Copper Rule MR 2 1994
Endrin MR 2 2008
2,4-D MR 2 2008
Styrene MR 1 2008
Diquat MR 1 2008
Endothall MR 1 2008
Glyphosate MR 1 2008
Di(2-ethylhexyl) adipate MR 1 2008
Hexachlorocyclopentadiene MR 1 2008
Carbofuran MR 1 2008
Atrazine MR 1 2008
LASSO MR 1 2008
Heptachlor MR 1 2008
HEXACHLOROBENZENE MR 1 2008
Benzo(a)pyrene MR 1 2008
Total Polychlorinated Biphenyls (PCB) MR 1 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 1 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 CURLEY 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 ID1110008 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
2025 Arsenic MCL 2 SDWIS / ID1110008 / 1005
2025 Total Haloacetic Acids (HAA5) MR 1 SDWIS / ID1110008 / 2456
2025 TTHM MR 1 SDWIS / ID1110008 / 2950
2022 Combined Uranium MR 10 SDWIS / ID1110008 / 4006
2022 Gross Alpha, Excl. Radon and U MR 10 SDWIS / ID1110008 / 4000
2022 Radium-228 MR 5 SDWIS / ID1110008 / 4030
2022 Radium-226 MR 4 SDWIS / ID1110008 / 4020
2015 Coliform (TCR) MCL 15 SDWIS / ID1110008 / 3100
2013 Coliform (TCR) MR 11 SDWIS / ID1110008 / 3100
2011 Chlorine MR 4 SDWIS / ID1110008 / 0999
2008 BHC-GAMMA MR 2 SDWIS / ID1110008 / 2010
2008 Methoxychlor MR 2 SDWIS / ID1110008 / 2015
2008 Toxaphene MR 2 SDWIS / ID1110008 / 2020
2008 2,4,5-TP MR 2 SDWIS / ID1110008 / 2110
2008 Endrin MR 2 SDWIS / ID1110008 / 2005

How CURLEY CREEK WATER ASSN Compares

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

Metric CURLEY CREEK WATER ASSN Idaho avg Federal benchmark
Total violations 129 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 17 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 50 870 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 CURLEY CREEK WATER ASSN water safe to drink? ▼
CURLEY CREEK WATER ASSN (PWS ID: ID1110008) has 129 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does CURLEY CREEK WATER ASSN serve? ▼
CURLEY CREEK WATER ASSN serves 50 people in MOYIE SPRINGS, Idaho. It is a Private-owned system using Groundwater water sources with 20 service connections.
What type of violations does CURLEY CREEK WATER ASSN have? ▼
CURLEY CREEK WATER ASSN has 129 total violations: 17 health-based violations (MCL exceedances or treatment failures), 106 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CURLEY CREEK WATER ASSN water? ▼
No PFAS testing data is available for CURLEY CREEK WATER ASSN under the EPA's UCMR5 monitoring program.
What water source does CURLEY CREEK WATER ASSN use? ▼
CURLEY 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.

Read our methodology — how this data is sourced, computed, and verified.

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