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Community Water System · PWS ID2310003

Kamiah City Of

Kamiah, Idaho 83536 - drinking water served from surface water sources to 1,495 people, tracked in EPA SDWIS and UCMR5.

1,495
People served
273
EPA violations
90
Health-based
Untested
UCMR5 result

The verdict

EPA records 273 drinking-water violations at Kamiah City Of, 33% of them health-based - above the Idaho per-system average.

273
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
1,495
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Kamiah City Of

Kamiah City Of is a local-owned community water system that delivers drinking water to 1,495 residents in Kamiah, Idaho (Lewis County) through 576 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 273 total violations for this system , of which 90 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 170 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 Surface Water Treatment Rule, recorded in 89 violations (TT, 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%).

Kamiah City Of's 273 violations sit above 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
1,495
Total Violations
273
Health-Based Violations
90
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
576
County
Lewis
School/Daycare
No
MCL Violations
1
Monitoring Violations
170
Treatment Tech Violations
89

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 89 2010
Surface Water Treatment Rule MR 19 2025
TTHM MR 16 2019
Total Haloacetic Acids (HAA5) MR 15 2025
Interim Enhanced Surface Water Treatment Rule MR 15 2025
CARBON, TOTAL MR 6 2021
E. COLI MR 4 2016
BHC-GAMMA MR 3 2011
Toxaphene MR 3 2011
Dalapon MR 3 2011
Glyphosate MR 3 2011
Di(2-ethylhexyl) adipate MR 3 2011
OXAMYL MR 3 2011
Dinoseb MR 3 2011
Hexachlorocyclopentadiene MR 3 2011
Carbofuran MR 3 2011
Atrazine MR 3 2011
Heptachlor MR 3 2011
Heptachlor epoxide MR 3 2011
2,4-D MR 3 2011
2,4,5-TP MR 3 2011
HEXACHLOROBENZENE MR 3 2011
Benzo(a)pyrene MR 3 2011
Pentachlorophenol MR 3 2011
Total Polychlorinated Biphenyls (PCB) MR 3 2011
ETHYLENE DIBROMIDE MR 3 2011
Revised Total Coliform Rule MON 3 2021
Methoxychlor MR 3 2011
Endothall MR 3 2011
Chlordane MR 3 2011

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 Kamiah City Of.

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 ID2310003 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 Surface Water Treatment Rule MR 19 SDWIS / ID2310003 / 0200
2025 Total Haloacetic Acids (HAA5) MR 15 SDWIS / ID2310003 / 2456
2025 Interim Enhanced Surface Water Treatment Rule MR 15 SDWIS / ID2310003 / 0300
2021 CARBON, TOTAL MR 6 SDWIS / ID2310003 / 2920
2021 Revised Total Coliform Rule MON 3 SDWIS / ID2310003 / 8000
2019 TTHM MR 16 SDWIS / ID2310003 / 2950
2016 E. COLI MR 4 SDWIS / ID2310003 / 3014
2011 BHC-GAMMA MR 3 SDWIS / ID2310003 / 2010
2011 Toxaphene MR 3 SDWIS / ID2310003 / 2020
2011 Dalapon MR 3 SDWIS / ID2310003 / 2031
2011 Glyphosate MR 3 SDWIS / ID2310003 / 2034
2011 Di(2-ethylhexyl) adipate MR 3 SDWIS / ID2310003 / 2035
2011 OXAMYL MR 3 SDWIS / ID2310003 / 2036
2011 Dinoseb MR 3 SDWIS / ID2310003 / 2041
2011 Hexachlorocyclopentadiene MR 3 SDWIS / ID2310003 / 2042

How Kamiah City Of Compares

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

Metric Kamiah City Of Idaho avg Federal benchmark
Total violations 273 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 90 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 1,495 870 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 Kamiah City Of water safe to drink? ▼
Kamiah City Of (PWS ID: ID2310003) has 273 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,495 people using Surface Water sources.
How many people does Kamiah City Of serve? ▼
Kamiah City Of serves 1,495 people in Kamiah, Idaho. It is a Local-owned system using Surface Water water sources with 576 service connections.
What type of violations does Kamiah City Of have? ▼
Kamiah City Of has 273 total violations: 90 health-based violations (MCL exceedances or treatment failures), 170 monitoring/reporting violations, and 89 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Kamiah City Of water? ▼
No PFAS testing data is available for Kamiah City Of under the EPA's UCMR5 monitoring program.
What water source does Kamiah City Of use? ▼
Kamiah City Of uses Surface Water 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.