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Community Water System · PWS ID6210007

Franklin City Of

Franklin, Idaho 83237 - drinking water served from surface water sources to 1,000 people, tracked in EPA SDWIS and UCMR5.

1,000
People served
55
EPA violations
15
Health-based
Untested
UCMR5 result

The verdict

EPA records 55 drinking-water violations at Franklin City Of, 27% of them health-based - above the Idaho per-system average.

55
Total EPA violations on record
27%
Health-based (MCL / treatment failure)
1,000
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Franklin City Of

Franklin City Of is a local-owned community water system that delivers drinking water to 1,000 residents in Franklin, Idaho (Franklin County) through 340 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 55 total violations for this system , of which 15 (27%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 38 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 26 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. Statewide, 40 of 60 UCMR5-tested systems have reported PFAS detections (66.7%).

Franklin City Of's 55 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
1,000
Total Violations
55
Health-Based Violations
15
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
340
County
Franklin
School/Daycare
No
MCL Violations
6
Monitoring Violations
38
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 26 2025
Interim Enhanced Surface Water Treatment Rule MR 11 2025
Surface Water Treatment Rule TT 9 2022
Revised Total Coliform Rule MCL 4 2022
Coliform (TCR) MCL 2 2009
Coliform (TCR) MR 1 1994

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 Franklin 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 ID6210007 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
2025 Surface Water Treatment Rule MR 26 SDWIS / ID6210007 / 0200
2025 Interim Enhanced Surface Water Treatment Rule MR 11 SDWIS / ID6210007 / 0300
2022 Surface Water Treatment Rule TT 9 SDWIS / ID6210007 / 0200
2022 Revised Total Coliform Rule MCL 4 SDWIS / ID6210007 / 8000
2009 Coliform (TCR) MCL 2 SDWIS / ID6210007 / 3100
1994 Coliform (TCR) MR 1 SDWIS / ID6210007 / 3100

How Franklin City Of Compares

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

Metric Franklin City Of Idaho avg Federal benchmark
Total violations 55 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 15 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 1,000 870 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 Franklin City Of water safe to drink? ▼
Franklin City Of (PWS ID: ID6210007) has 55 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,000 people using Surface Water sources.
How many people does Franklin City Of serve? ▼
Franklin City Of serves 1,000 people in Franklin, Idaho. It is a Local-owned system using Surface Water water sources with 340 service connections.
What type of violations does Franklin City Of have? ▼
Franklin City Of has 55 total violations: 15 health-based violations (MCL exceedances or treatment failures), 38 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Franklin City Of water? ▼
No PFAS testing data is available for Franklin City Of under the EPA's UCMR5 monitoring program.
What water source does Franklin City Of use? ▼
Franklin 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.