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Community Water System · PWS ID7260032

Rigby City Of

Rigby, Idaho 83442 - drinking water served from groundwater sources to 5,400 people, tracked in EPA SDWIS and UCMR5.

5,400
People served
88
EPA violations
9
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 88 drinking-water violations at Rigby City Of, 10% of them health-based - above the Idaho per-system average.

88
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
5,400
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Rigby City Of

Rigby City Of is a local-owned community water system that delivers drinking water to 5,400 residents in Rigby, Idaho (Jefferson County) through 1,580 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 88 total violations for this system , of which 9 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 73 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 Lead and Copper Rule, recorded in 17 violations (MR). 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%).

Rigby City Of's 88 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
5,400
Total Violations
88
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,580
County
Jefferson
School/Daycare
No
MCL Violations
5
Monitoring Violations
73
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 17 2023
Coliform (TCR) MR 10 2012
Coliform (TCR) MCL 5 2013
Nitrate MR 4 2002
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 3 2024
cis-1,2-Dichloroethylene MR 2 1996
Xylenes, Total MR 2 1996
DICHLOROMETHANE MR 2 1996
p-Dichlorobenzene MR 2 1996
Vinyl chloride MR 2 1996
1,1-Dichloroethylene MR 2 1996
trans-1,2-Dichloroethylene MR 2 1996
1,2-Dichloroethane MR 2 1996
1,1,1-Trichloroethane MR 2 1996
Carbon tetrachloride MR 2 1996
Tetrachloroethylene MR 2 1996
CHLOROBENZENE MR 2 1996
Benzene MR 2 1996
Trichloroethylene MR 2 1996
Ethylbenzene MR 2 1996
1,2-Dichloropropane MR 2 1996
Toluene MR 2 1996
1,1,2-Trichloroethane MR 2 1996
o-Dichlorobenzene MR 2 1996
Styrene MR 2 1996
1,2,4-Trichlorobenzene MR 2 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 290 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/11/2025 <20.00 ppt 20.00 ppt Not Detected
PFMBA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/11/2025 <7.00 ppt 7.00 ppt Not Detected
9Cl-PF3ONS 8/11/2025 <2.00 ppt 2.00 ppt Not Detected
PFTA 8/11/2025 <8.00 ppt 8.00 ppt Not Detected
PFUnA 8/11/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/11/2025 <6.00 ppt 6.00 ppt Not Detected
PFHpA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/11/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
PFDA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
PFBA 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxS 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/11/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/11/2025 <2.00 ppt 2.00 ppt Not Detected
PFNA 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/11/2025 <6.00 ppt 6.00 ppt Not Detected
PFOA 8/11/2025 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 8/11/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/11/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/11/2025 <8.00 ppt 8.00 ppt Not Detected
PFHpS 8/11/2025 <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 Rigby 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 ID7260032 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 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / ID7260032 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / ID7260032 / 5200
2023 Lead and Copper Rule MR 17 SDWIS / ID7260032 / 5000
2013 Coliform (TCR) MCL 5 SDWIS / ID7260032 / 3100
2012 Coliform (TCR) MR 10 SDWIS / ID7260032 / 3100
2002 Nitrate MR 4 SDWIS / ID7260032 / 1040
1996 cis-1,2-Dichloroethylene MR 2 SDWIS / ID7260032 / 2380
1996 Xylenes, Total MR 2 SDWIS / ID7260032 / 2955
1996 DICHLOROMETHANE MR 2 SDWIS / ID7260032 / 2964
1996 p-Dichlorobenzene MR 2 SDWIS / ID7260032 / 2969
1996 Vinyl chloride MR 2 SDWIS / ID7260032 / 2976
1996 1,1-Dichloroethylene MR 2 SDWIS / ID7260032 / 2977
1996 trans-1,2-Dichloroethylene MR 2 SDWIS / ID7260032 / 2979
1996 1,2-Dichloroethane MR 2 SDWIS / ID7260032 / 2980
1996 1,1,1-Trichloroethane MR 2 SDWIS / ID7260032 / 2981

How Rigby City Of Compares

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

Metric Rigby City Of Idaho avg Federal benchmark
Total violations 88 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 5,400 870 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 Rigby City Of water safe to drink?
Rigby City Of (PWS ID: ID7260032) has 88 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,400 people using Groundwater sources.
How many people does Rigby City Of serve?
Rigby City Of serves 5,400 people in Rigby, Idaho. It is a Local-owned system using Groundwater water sources with 1,580 service connections.
What type of violations does Rigby City Of have?
Rigby City Of has 88 total violations: 9 health-based violations (MCL exceedances or treatment failures), 73 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Rigby City Of water?
No. Rigby City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Rigby City Of use?
Rigby 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.
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.