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IDAHO CITY WATER DEPT

PWS ID: ID4080025 · IDAHO CITY, Idaho 83631

IDAHO CITY WATER DEPT serves 478 people in IDAHO CITY, Idaho using Surface Water water sources. It has 205 recorded EPA violations, including 53 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: IDAHO CITY WATER DEPT

IDAHO CITY WATER DEPT is a private-owned community water system that delivers drinking water to 478 residents in IDAHO CITY, Idaho (Boise County) through 255 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 205 total violations for this system , of which 53 (26%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 146 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 42 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. IDAHO CITY WATER DEPT's 205 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
478
Total Violations
205
Health-Based Violations
53
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
255
County
Boise
School/Daycare
No
MCL Violations
1
Monitoring Violations
146
Treatment Tech Violations
52

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 42 2017
Interim Enhanced Surface Water Treatment Rule TT 37 2023
Interim Enhanced Surface Water Treatment Rule MR 23 2019
Chlorine MR 22 2017
Surface Water Treatment Rule TT 12 2014
Coliform (TCR) MR 10 2006
Lead and Copper Rule MR 9 2017
E. COLI MR 6 2018
Total Haloacetic Acids (HAA5) MR 4 2017
Nitrate MR 4 2007
Public Notice Other 4 2017
Revised Total Coliform Rule MON 3 2016
CYANIDE MR 3 2022
Groundwater Rule TT 3 2019
Arsenic MR 2 2007
TTHM MR 2 2008
Endothall MR 2 2017
Radium-228 MR 2 2020
Radium-226 MR 2 2020
Nickel MR 1 2005
Coliform (TCR) MCL 1 1995
Dalapon MR 1 1996
Picloram MR 1 1996
2,4-D MR 1 1996
Thallium, Total MR 1 2005
Dinoseb MR 1 1996
2,4,5-TP MR 1 1996
Di(2-ethylhexyl) phthalate MR 1 1996
Beryllium, Total MR 1 2005
Antimony, Total MR 1 2005

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 IDAHO CITY WATER DEPT.

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 ID4080025 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
2023 Interim Enhanced Surface Water Treatment Rule TT 37 SDWIS / ID4080025 / 0300
2022 CYANIDE MR 3 SDWIS / ID4080025 / 1024
2020 Radium-228 MR 2 SDWIS / ID4080025 / 4030
2020 Radium-226 MR 2 SDWIS / ID4080025 / 4020
2019 Interim Enhanced Surface Water Treatment Rule MR 23 SDWIS / ID4080025 / 0300
2019 Groundwater Rule TT 3 SDWIS / ID4080025 / 0700
2018 E. COLI MR 6 SDWIS / ID4080025 / 3014
2017 Surface Water Treatment Rule MR 42 SDWIS / ID4080025 / 0200
2017 Chlorine MR 22 SDWIS / ID4080025 / 0999
2017 Lead and Copper Rule MR 9 SDWIS / ID4080025 / 5000
2017 Total Haloacetic Acids (HAA5) MR 4 SDWIS / ID4080025 / 2456
2017 Public Notice Other 4 SDWIS / ID4080025 / 7500
2017 Endothall MR 2 SDWIS / ID4080025 / 2033
2016 Revised Total Coliform Rule MON 3 SDWIS / ID4080025 / 8000
2014 Surface Water Treatment Rule TT 12 SDWIS / ID4080025 / 0200

How IDAHO CITY WATER DEPT Compares

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

Metric IDAHO CITY WATER DEPT Idaho avg Federal benchmark
Total violations 205 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 53 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 478 870 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 IDAHO CITY WATER DEPT water safe to drink? ▼
IDAHO CITY WATER DEPT (PWS ID: ID4080025) has 205 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 478 people using Surface Water sources.
How many people does IDAHO CITY WATER DEPT serve? ▼
IDAHO CITY WATER DEPT serves 478 people in IDAHO CITY, Idaho. It is a Private-owned system using Surface Water water sources with 255 service connections.
What type of violations does IDAHO CITY WATER DEPT have? ▼
IDAHO CITY WATER DEPT has 205 total violations: 53 health-based violations (MCL exceedances or treatment failures), 146 monitoring/reporting violations, and 52 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in IDAHO CITY WATER DEPT water? ▼
No PFAS testing data is available for IDAHO CITY WATER DEPT under the EPA's UCMR5 monitoring program.
What water source does IDAHO CITY WATER DEPT use? ▼
IDAHO CITY WATER DEPT 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.

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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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