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Community Water System · PWS ID7260080

Pepperwood Crossing/Rocky Mnt Utilities

Rigby, Idaho 83442 - drinking water served from groundwater sources to 336 people, tracked in EPA SDWIS and UCMR5.

336
People served
204
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 204 drinking-water violations at Pepperwood Crossing/Rocky Mnt Utilities, 7% of them health-based - above the Idaho per-system average.

204
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
336
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pepperwood Crossing/Rocky Mnt Utilities

Pepperwood Crossing/Rocky Mnt Utilities is a private-owned community water system that delivers drinking water to 336 residents in Rigby, Idaho (Jefferson County) through 117 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 204 total violations for this system , of which 14 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 185 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 Groundwater Rule, recorded in 14 violations (TT, health-based). 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%).

Pepperwood Crossing/Rocky Mnt Utilities's 204 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
336
Total Violations
204
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
117
County
Jefferson
School/Daycare
No
MCL Violations
0
Monitoring Violations
185
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 14 2021
Gross Alpha, Excl. Radon and U MR 6 2020
Radium-226 MR 6 2020
Radium-228 MR 6 2020
Combined Uranium MR 6 2020
Nitrate MR 6 2022
Groundwater Rule Other 4 2021
Methoxychlor MR 3 2020
Toxaphene MR 3 2020
Diquat MR 3 2020
Di(2-ethylhexyl) adipate MR 3 2020
Simazine MR 3 2020
Di(2-ethylhexyl) phthalate MR 3 2020
Picloram MR 3 2020
Hexachlorocyclopentadiene MR 3 2020
LASSO MR 3 2020
Heptachlor MR 3 2020
HEXACHLOROBENZENE MR 3 2020
Pentachlorophenol MR 3 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2020
Chlordane MR 3 2020
1,2,4-Trichlorobenzene MR 3 2020
Xylenes, Total MR 3 2020
o-Dichlorobenzene MR 3 2020
1,1-Dichloroethylene MR 3 2020
Carbon tetrachloride MR 3 2020
1,2-Dichloropropane MR 3 2020
Trichloroethylene MR 3 2020
1,1,2-Trichloroethane MR 3 2020
Benzene MR 3 2020

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 Pepperwood Crossing/Rocky Mnt Utilities.

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 ID7260080 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 Lead and Copper Rule MR 2 SDWIS / ID7260080 / 5000
2022 Nitrate MR 6 SDWIS / ID7260080 / 1040
2021 Groundwater Rule TT 14 SDWIS / ID7260080 / 0700
2021 Groundwater Rule Other 4 SDWIS / ID7260080 / 0700
2020 Gross Alpha, Excl. Radon and U MR 6 SDWIS / ID7260080 / 4000
2020 Radium-226 MR 6 SDWIS / ID7260080 / 4020
2020 Radium-228 MR 6 SDWIS / ID7260080 / 4030
2020 Combined Uranium MR 6 SDWIS / ID7260080 / 4006
2020 Methoxychlor MR 3 SDWIS / ID7260080 / 2015
2020 Toxaphene MR 3 SDWIS / ID7260080 / 2020
2020 Diquat MR 3 SDWIS / ID7260080 / 2032
2020 Di(2-ethylhexyl) adipate MR 3 SDWIS / ID7260080 / 2035
2020 Simazine MR 3 SDWIS / ID7260080 / 2037
2020 Di(2-ethylhexyl) phthalate MR 3 SDWIS / ID7260080 / 2039
2020 Picloram MR 3 SDWIS / ID7260080 / 2040

How Pepperwood Crossing/Rocky Mnt Utilities Compares

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

Metric Pepperwood Crossing/Rocky Mnt Utilities Idaho avg Federal benchmark
Total violations 204 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 336 870 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 Pepperwood Crossing/Rocky Mnt Utilities water safe to drink? ▼
Pepperwood Crossing/Rocky Mnt Utilities (PWS ID: ID7260080) has 204 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 336 people using Groundwater sources.
How many people does Pepperwood Crossing/Rocky Mnt Utilities serve? ▼
Pepperwood Crossing/Rocky Mnt Utilities serves 336 people in Rigby, Idaho. It is a Private-owned system using Groundwater water sources with 117 service connections.
What type of violations does Pepperwood Crossing/Rocky Mnt Utilities have? ▼
Pepperwood Crossing/Rocky Mnt Utilities has 204 total violations: 14 health-based violations (MCL exceedances or treatment failures), 185 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pepperwood Crossing/Rocky Mnt Utilities water? ▼
No PFAS testing data is available for Pepperwood Crossing/Rocky Mnt Utilities under the EPA's UCMR5 monitoring program.
What water source does Pepperwood Crossing/Rocky Mnt Utilities use? ▼
Pepperwood Crossing/Rocky Mnt Utilities 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. 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.