PlainWater

KOOTENAI HIGH SCHOOL DIST 274

PWS ID: ID1280107 · HARRISON, Idaho 83833

KOOTENAI HIGH SCHOOL DIST 274 serves 255 people in HARRISON, Idaho using Groundwater water sources. It has 42 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: KOOTENAI HIGH SCHOOL DIST 274

KOOTENAI HIGH SCHOOL DIST 274 is a local-owned non-transient non-community water system that delivers drinking water to 255 residents in HARRISON, Idaho (Kootenai County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 42 total violations for this system , of which 4 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 7 violations (MR). 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. KOOTENAI HIGH SCHOOL DIST 274's 42 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
255
Total Violations
42
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
5
County
Kootenai
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
37
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 7 2019
Coliform (TCR) MR 6 2009
Nitrate MR 4 2004
Coliform (TCR) MCL 4 2008
Cadmium MR 2 2002
Chromium MR 2 2002
Selenium MR 2 2002
Barium MR 2 2002
Mercury MR 2 2002
Nickel MR 1 2002
Beryllium, Total MR 1 2002
Thallium, Total MR 1 2002
Dalapon MR 1 1996
2,4,5-TP MR 1 1996
Picloram MR 1 1996
Dinoseb MR 1 1996
Di(2-ethylhexyl) phthalate MR 1 1996
2,4-D MR 1 1996
Antimony, Total MR 1 2002

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 KOOTENAI HIGH SCHOOL DIST 274.

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 ID1280107 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
2019 Lead and Copper Rule MR 7 SDWIS / ID1280107 / 5000
2009 Coliform (TCR) MR 6 SDWIS / ID1280107 / 3100
2008 Coliform (TCR) MCL 4 SDWIS / ID1280107 / 3100
2004 Nitrate MR 4 SDWIS / ID1280107 / 1040
2002 Cadmium MR 2 SDWIS / ID1280107 / 1015
2002 Chromium MR 2 SDWIS / ID1280107 / 1020
2002 Selenium MR 2 SDWIS / ID1280107 / 1045
2002 Barium MR 2 SDWIS / ID1280107 / 1010
2002 Mercury MR 2 SDWIS / ID1280107 / 1035
2002 Nickel MR 1 SDWIS / ID1280107 / 1036
2002 Beryllium, Total MR 1 SDWIS / ID1280107 / 1075
2002 Thallium, Total MR 1 SDWIS / ID1280107 / 1085
2002 Antimony, Total MR 1 SDWIS / ID1280107 / 1074
1996 Dalapon MR 1 SDWIS / ID1280107 / 2031
1996 2,4,5-TP MR 1 SDWIS / ID1280107 / 2110

How KOOTENAI HIGH SCHOOL DIST 274 Compares

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

Metric KOOTENAI HIGH SCHOOL DIST 274 Idaho avg Federal benchmark
Total violations 42 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 255 870 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 KOOTENAI HIGH SCHOOL DIST 274 water safe to drink?
KOOTENAI HIGH SCHOOL DIST 274 (PWS ID: ID1280107) has 42 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 255 people using Groundwater sources.
How many people does KOOTENAI HIGH SCHOOL DIST 274 serve?
KOOTENAI HIGH SCHOOL DIST 274 serves 255 people in HARRISON, Idaho. It is a Local-owned system using Groundwater water sources with 5 service connections.
What type of violations does KOOTENAI HIGH SCHOOL DIST 274 have?
KOOTENAI HIGH SCHOOL DIST 274 has 42 total violations: 4 health-based violations (MCL exceedances or treatment failures), 37 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in KOOTENAI HIGH SCHOOL DIST 274 water?
No PFAS testing data is available for KOOTENAI HIGH SCHOOL DIST 274 under the EPA's UCMR5 monitoring program.
What water source does KOOTENAI HIGH SCHOOL DIST 274 use?
KOOTENAI HIGH SCHOOL DIST 274 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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