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Community Water System · PWS ID1110003

Bonners Ferry City Of

Bonners Ferry, Idaho 83805 - drinking water served from surface water sources to 3,367 people, tracked in EPA SDWIS and UCMR5.

3,367
People served
40
EPA violations
24
Health-based
Untested
UCMR5 result

The verdict

EPA records 40 drinking-water violations at Bonners Ferry City Of, 60% of them health-based - below the Idaho per-system average.

40
Total EPA violations on record
60%
Health-based (MCL / treatment failure)
3,367
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bonners Ferry City Of

Bonners Ferry City Of is a local-owned community water system that delivers drinking water to 3,367 residents in Bonners Ferry, Idaho (Boundary County) through 1,395 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 40 total violations for this system , of which 24 (60%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 15 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 14 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%).

Bonners Ferry City Of's 40 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
3,367
Total Violations
40
Health-Based Violations
24
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,395
County
Boundary
School/Daycare
No
MCL Violations
14
Monitoring Violations
15
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 14 2009
Surface Water Treatment Rule TT 10 2008
Nitrate MR 5 2013
Arsenic MR 3 2008
Barium MR 1 1979
Cadmium MR 1 1979
Selenium MR 1 1979
Coliform (TCR) MR 1 1997
Fluoride MR 1 1979
Mercury MR 1 1979
Chromium MR 1 1979

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 Bonners Ferry 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 ID1110003 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
2013 Nitrate MR 5 SDWIS / ID1110003 / 1040
2009 Total Haloacetic Acids (HAA5) MCL 14 SDWIS / ID1110003 / 2456
2008 Surface Water Treatment Rule TT 10 SDWIS / ID1110003 / 0200
2008 Arsenic MR 3 SDWIS / ID1110003 / 1005
1997 Coliform (TCR) MR 1 SDWIS / ID1110003 / 3100
1979 Barium MR 1 SDWIS / ID1110003 / 1010
1979 Cadmium MR 1 SDWIS / ID1110003 / 1015
1979 Selenium MR 1 SDWIS / ID1110003 / 1045
1979 Fluoride MR 1 SDWIS / ID1110003 / 1025
1979 Mercury MR 1 SDWIS / ID1110003 / 1035
1979 Chromium MR 1 SDWIS / ID1110003 / 1020

How Bonners Ferry City Of Compares

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

Metric Bonners Ferry City Of Idaho avg Federal benchmark
Total violations 40 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 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 3,367 870 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 Bonners Ferry City Of water safe to drink? ▼
Bonners Ferry City Of (PWS ID: ID1110003) has 40 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,367 people using Surface Water sources.
How many people does Bonners Ferry City Of serve? ▼
Bonners Ferry City Of serves 3,367 people in Bonners Ferry, Idaho. It is a Local-owned system using Surface Water water sources with 1,395 service connections.
What type of violations does Bonners Ferry City Of have? ▼
Bonners Ferry City Of has 40 total violations: 24 health-based violations (MCL exceedances or treatment failures), 15 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bonners Ferry City Of water? ▼
No PFAS testing data is available for Bonners Ferry City Of under the EPA's UCMR5 monitoring program.
What water source does Bonners Ferry City Of use? ▼
Bonners Ferry 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.