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Community Water System · PWS ID4430033

McCall City Of

McCall, Idaho 83638 - drinking water served from surface water sources to 4,423 people, tracked in EPA SDWIS and UCMR5.

4,423
People served
205
EPA violations
40
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 205 drinking-water violations at McCall City Of, 20% of them health-based - above the Idaho per-system average.

205
Total EPA violations on record
20%
Health-based (MCL / treatment failure)
4,423
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: McCall City Of

McCall City Of is a local-owned community water system that delivers drinking water to 4,423 residents in McCall, Idaho (Valley County) through 3,900 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 40 (20%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 141 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 TTHM, recorded in 19 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

McCall City Of's 205 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
4,423
Total Violations
205
Health-Based Violations
40
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,900
County
Valley
School/Daycare
No
MCL Violations
32
Monitoring Violations
141
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 19 2024
Surface Water Treatment Rule MR 13 2023
Total Haloacetic Acids (HAA5) MCL 11 2024
Interim Enhanced Surface Water Treatment Rule MR 9 2018
Public Notice Other 9 2024
Lead and Copper Rule MR 8 2024
Groundwater Rule MR 7 2019
Chlorine MR 6 2023
1,2,4-Trichlorobenzene MR 4 2022
Xylenes, Total MR 4 2022
o-Dichlorobenzene MR 4 2022
Vinyl chloride MR 4 2022
1,1-Dichloroethylene MR 4 2022
1,1,1-Trichloroethane MR 4 2022
Carbon tetrachloride MR 4 2022
1,2-Dichloropropane MR 4 2022
Trichloroethylene MR 4 2022
1,1,2-Trichloroethane MR 4 2022
CHLOROBENZENE MR 4 2022
Benzene MR 4 2022
Toluene MR 4 2022
Ethylbenzene MR 4 2022
Lead and Copper Rule TT 4 2024
DICHLOROMETHANE MR 4 2022
Styrene MR 4 2022
trans-1,2-Dichloroethylene MR 4 2022
cis-1,2-Dichloroethylene MR 4 2022
p-Dichlorobenzene MR 4 2022
1,2-Dichloroethane MR 4 2022
Tetrachloroethylene MR 4 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFTrDA 7/15/2025 <7.00 ppt 7.00 ppt Not Detected
PFOA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFTA 7/15/2025 <8.00 ppt 8.00 ppt Not Detected
PFHpS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/15/2025 <6.00 ppt 6.00 ppt Not Detected
PFBA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFEESA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/15/2025 <20.00 ppt 20.00 ppt Not Detected
6:2 FTS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFDoA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/15/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/15/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/15/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/15/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/15/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 4/16/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 4/16/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/16/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 4/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 4/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeS 4/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 4/16/2025 <8.00 ppt 8.00 ppt Not Detected
PFHxS 4/16/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 4/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 4/16/2025 <7.00 ppt 7.00 ppt Not Detected
NFDHA 4/16/2025 <20.00 ppt 20.00 ppt Not Detected
PFNA 4/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpA 4/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 4/16/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 4/16/2025 <6.00 ppt 6.00 ppt Not Detected
PFOS 4/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 4/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 4/16/2025 <3.00 ppt 3.00 ppt Not Detected

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 McCall 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 ID4430033 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 TTHM MCL 19 SDWIS / ID4430033 / 2950
2024 Total Haloacetic Acids (HAA5) MCL 11 SDWIS / ID4430033 / 2456
2024 Public Notice Other 9 SDWIS / ID4430033 / 7500
2024 Lead and Copper Rule MR 8 SDWIS / ID4430033 / 5000
2024 Lead and Copper Rule TT 4 SDWIS / ID4430033 / 5000
2023 Surface Water Treatment Rule MR 13 SDWIS / ID4430033 / 0200
2023 Chlorine MR 6 SDWIS / ID4430033 / 0999
2023 Total Haloacetic Acids (HAA5) MR 3 SDWIS / ID4430033 / 2456
2023 TTHM MR 3 SDWIS / ID4430033 / 2950
2023 Revised Total Coliform Rule MON 3 SDWIS / ID4430033 / 8000
2023 Interim Enhanced Surface Water Treatment Rule TT 3 SDWIS / ID4430033 / 0300
2022 1,2,4-Trichlorobenzene MR 4 SDWIS / ID4430033 / 2378
2022 Xylenes, Total MR 4 SDWIS / ID4430033 / 2955
2022 o-Dichlorobenzene MR 4 SDWIS / ID4430033 / 2968
2022 Vinyl chloride MR 4 SDWIS / ID4430033 / 2976

How McCall City Of Compares

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

Metric McCall City Of Idaho avg Federal benchmark
Total violations 205 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 40 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 4,423 870 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 McCall City Of water safe to drink?
McCall City Of (PWS ID: ID4430033) has 205 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,423 people using Surface Water sources.
How many people does McCall City Of serve?
McCall City Of serves 4,423 people in McCall, Idaho. It is a Local-owned system using Surface Water water sources with 3,900 service connections.
What type of violations does McCall City Of have?
McCall City Of has 205 total violations: 40 health-based violations (MCL exceedances or treatment failures), 141 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in McCall City Of water?
No. McCall City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does McCall City Of use?
McCall 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.