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WEST BONNER WATER DIST 1

PWS ID: ID1090151 · OLD TOWN, Idaho 83822

WEST BONNER WATER DIST 1 serves 545 people in OLD TOWN, Idaho using Groundwater water sources. It has 88 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WEST BONNER WATER DIST 1

WEST BONNER WATER DIST 1 is a local-owned community water system that delivers drinking water to 545 residents in OLD TOWN, Idaho (Bonner County) through 220 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 88 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 79 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 Chlorine, recorded in 22 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. WEST BONNER WATER DIST 1's 88 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
545
Total Violations
88
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
220
County
Bonner
School/Daycare
No
MCL Violations
0
Monitoring Violations
79
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 22 2024
Revised Total Coliform Rule MON 18 2024
Groundwater Rule Other 6 2015
TTHM MR 5 2020
Total Haloacetic Acids (HAA5) MR 5 2020
Nitrate MR 3 1996
E. COLI MR 3 2021
Lead and Copper Rule MR 3 2022
Fluoride MR 2 1993
Barium MR 2 1993
Cadmium MR 2 1993
Mercury MR 2 1993
Selenium MR 2 1993
Chromium MR 2 1993
Thallium, Total MR 1 1993
Nickel MR 1 1993
Beryllium, Total MR 1 1993
Gross Alpha, Excl. Radon and U MR 1 1979
Arsenic MR 1 1979
Antimony, Total MR 1 1993
Coliform (TCR) MR 1 2010
Vinyl chloride MR 1 1993

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 WEST BONNER WATER DIST 1.

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 ID1090151 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 Chlorine MR 22 SDWIS / ID1090151 / 0999
2024 Revised Total Coliform Rule MON 18 SDWIS / ID1090151 / 8000
2022 Lead and Copper Rule MR 3 SDWIS / ID1090151 / 5000
2021 E. COLI MR 3 SDWIS / ID1090151 / 3014
2020 TTHM MR 5 SDWIS / ID1090151 / 2950
2020 Total Haloacetic Acids (HAA5) MR 5 SDWIS / ID1090151 / 2456
2015 Groundwater Rule Other 6 SDWIS / ID1090151 / 0700
2010 Coliform (TCR) MR 1 SDWIS / ID1090151 / 3100
1996 Nitrate MR 3 SDWIS / ID1090151 / 1040
1993 Fluoride MR 2 SDWIS / ID1090151 / 1025
1993 Barium MR 2 SDWIS / ID1090151 / 1010
1993 Cadmium MR 2 SDWIS / ID1090151 / 1015
1993 Mercury MR 2 SDWIS / ID1090151 / 1035
1993 Selenium MR 2 SDWIS / ID1090151 / 1045
1993 Chromium MR 2 SDWIS / ID1090151 / 1020

How WEST BONNER WATER DIST 1 Compares

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

Metric WEST BONNER WATER DIST 1 Idaho avg Federal benchmark
Total violations 88 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 545 870 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 WEST BONNER WATER DIST 1 water safe to drink? ▼
WEST BONNER WATER DIST 1 (PWS ID: ID1090151) has 88 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 545 people using Groundwater sources.
How many people does WEST BONNER WATER DIST 1 serve? ▼
WEST BONNER WATER DIST 1 serves 545 people in OLD TOWN, Idaho. It is a Local-owned system using Groundwater water sources with 220 service connections.
What type of violations does WEST BONNER WATER DIST 1 have? ▼
WEST BONNER WATER DIST 1 has 88 total violations: 0 health-based violations (MCL exceedances or treatment failures), 79 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WEST BONNER WATER DIST 1 water? ▼
No PFAS testing data is available for WEST BONNER WATER DIST 1 under the EPA's UCMR5 monitoring program.
What water source does WEST BONNER WATER DIST 1 use? ▼
WEST BONNER WATER DIST 1 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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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial