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Transient Non-Community Water System · PWS ID2250078

Usfs Powell Ranger Station

Kamiah, Idaho 83536 - drinking water served from groundwater sources to 44 people, tracked in EPA SDWIS and UCMR5.

44
People served
39
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 39 drinking-water violations at Usfs Powell Ranger Station, 33% of them health-based - below the Idaho per-system average.

39
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
44
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Usfs Powell Ranger Station

Usfs Powell Ranger Station is a federal-owned transient non-community water system that delivers drinking water to 44 residents in Kamiah, Idaho (Idaho County) through 25 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 39 total violations for this system , of which 13 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 13 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. Statewide, 40 of 60 UCMR5-tested systems have reported PFAS detections (66.7%).

Usfs Powell Ranger Station's 39 violations sit below the Idaho 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
44
Total Violations
39
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Federal
Connections
25
County
Idaho
School/Daycare
No
MCL Violations
13
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 13 2015
Coliform (TCR) MR 6 2013
Groundwater Rule Other 5 2024
Lead and Copper Rule MR 4 2011
Public Notice Other 4 2014
Nitrate MR 3 2022
Nitrite MR 3 2008
E. COLI MR 1 2013

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 Usfs Powell Ranger Station.

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 ID2250078 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
2024 Groundwater Rule Other 5 SDWIS / ID2250078 / 0700
2022 Nitrate MR 3 SDWIS / ID2250078 / 1040
2015 Coliform (TCR) MCL 13 SDWIS / ID2250078 / 3100
2014 Public Notice Other 4 SDWIS / ID2250078 / 7500
2013 Coliform (TCR) MR 6 SDWIS / ID2250078 / 3100
2013 E. COLI MR 1 SDWIS / ID2250078 / 3014
2011 Lead and Copper Rule MR 4 SDWIS / ID2250078 / 5000
2008 Nitrite MR 3 SDWIS / ID2250078 / 1041

How Usfs Powell Ranger Station Compares

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

Metric Usfs Powell Ranger Station Idaho avg Federal benchmark
Total violations 39 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 44 870 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 (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 Usfs Powell Ranger Station water safe to drink? ▼
Usfs Powell Ranger Station (PWS ID: ID2250078) has 39 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 44 people using Groundwater sources.
How many people does Usfs Powell Ranger Station serve? ▼
Usfs Powell Ranger Station serves 44 people in Kamiah, Idaho. It is a Federal-owned system using Groundwater water sources with 25 service connections.
What type of violations does Usfs Powell Ranger Station have? ▼
Usfs Powell Ranger Station has 39 total violations: 13 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Usfs Powell Ranger Station water? ▼
No PFAS testing data is available for Usfs Powell Ranger Station under the EPA's UCMR5 monitoring program.
What water source does Usfs Powell Ranger Station use? ▼
Usfs Powell Ranger Station 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.
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.