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Community Water System · PWS ID6060071

Shelley City Of

Shelley, Idaho 83274 - drinking water served from groundwater sources to 4,409 people, tracked in EPA SDWIS and UCMR5.

4,409
People served
33
EPA violations
16
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 33 drinking-water violations at Shelley City Of, 48% of them health-based - below the Idaho per-system average, and UCMR5 testing detected 1 PFAS compound.

33
Total EPA violations on record
48%
Health-based (MCL / treatment failure)
4,409
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shelley City Of

Shelley City Of is a local-owned community water system that delivers drinking water to 4,409 residents in Shelley, Idaho (Bingham County) through 1,470 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 33 total violations for this system , of which 16 (48%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 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 Coliform (TCR), recorded in 16 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 3 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Shelley City Of's 33 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
4,409
Total Violations
33
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,470
County
Bingham
School/Daycare
No
MCL Violations
16
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 16 2014
Coliform (TCR) MR 8 2009
LEAD AND COPPER RULE REVISIONS RPT 5 2025
Lead and Copper Rule MR 4 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 3/15/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 3/15/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 3/15/2023 <2.00 ppt 2.00 ppt Not Detected
NMeFOSAA 3/15/2023 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 3/15/2023 <7.00 ppt 7.00 ppt Not Detected
PFMPA 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 3/15/2023 <2.00 ppt 2.00 ppt Not Detected
PFOA 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 3/15/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 3/15/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 3/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 3/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 3/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 3/15/2023 <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 Shelley 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 ID6060071 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 LEAD AND COPPER RULE REVISIONS RPT 5 SDWIS / ID6060071 / 5200
2014 Coliform (TCR) MCL 16 SDWIS / ID6060071 / 3100
2009 Coliform (TCR) MR 8 SDWIS / ID6060071 / 3100
1996 Lead and Copper Rule MR 4 SDWIS / ID6060071 / 5000

How Shelley City Of Compares

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

Metric Shelley City Of Idaho avg Federal benchmark
Total violations 33 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 10 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 66.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,409 870 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 Shelley City Of water safe to drink? ▼
Shelley City Of (PWS ID: ID6060071) has 33 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 4,409 people using Groundwater sources.
How many people does Shelley City Of serve? ▼
Shelley City Of serves 4,409 people in Shelley, Idaho. It is a Local-owned system using Groundwater water sources with 1,470 service connections.
What type of violations does Shelley City Of have? ▼
Shelley City Of has 33 total violations: 16 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shelley City Of water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in Shelley City Of's water supply: PFBS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Shelley City Of use? ▼
Shelley City Of 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.
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.

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.