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Transient Non-Community Water System · PWS ID6210031

Bear River Hot Springs/Riverdale Resort

Preston, Idaho 83263 - drinking water served from groundwater sources to 26 people, tracked in EPA SDWIS and UCMR5.

26
People served
448
EPA violations
83
Health-based
Untested
UCMR5 result

The verdict

EPA records 448 drinking-water violations at Bear River Hot Springs/Riverdale Resort, 19% of them health-based - above the Idaho per-system average.

448
Total EPA violations on record
19%
Health-based (MCL / treatment failure)
26
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bear River Hot Springs/Riverdale Resort

Bear River Hot Springs/Riverdale Resort is a private-owned transient non-community water system that delivers drinking water to 26 residents in Preston, Idaho (Franklin County) through 22 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 448 total violations for this system , of which 83 (19%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 269 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 Revised Total Coliform Rule, recorded in 128 violations (MON). 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%).

Bear River Hot Springs/Riverdale Resort's 448 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
26
Total Violations
448
Health-Based Violations
83
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
22
County
Franklin
School/Daycare
No
MCL Violations
10
Monitoring Violations
269
Treatment Tech Violations
73

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 128 2025
E. COLI MR 98 2025
Public Notice Other 95 2022
Revised Total Coliform Rule TT 73 2018
Nitrate MR 25 2022
Coliform (TCR) MR 18 2015
Revised Total Coliform Rule MCL 6 2018
Coliform (TCR) MCL 4 2014

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 Bear River Hot Springs/Riverdale Resort.

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 ID6210031 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 Revised Total Coliform Rule MON 128 SDWIS / ID6210031 / 8000
2025 E. COLI MR 98 SDWIS / ID6210031 / 3014
2022 Public Notice Other 95 SDWIS / ID6210031 / 7500
2022 Nitrate MR 25 SDWIS / ID6210031 / 1040
2018 Revised Total Coliform Rule TT 73 SDWIS / ID6210031 / 8000
2018 Revised Total Coliform Rule MCL 6 SDWIS / ID6210031 / 8000
2015 Coliform (TCR) MR 18 SDWIS / ID6210031 / 3100
2014 Coliform (TCR) MCL 4 SDWIS / ID6210031 / 3100

How Bear River Hot Springs/Riverdale Resort Compares

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

Metric Bear River Hot Springs/Riverdale Resort Idaho avg Federal benchmark
Total violations 448 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 83 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 26 870 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 Bear River Hot Springs/Riverdale Resort water safe to drink? ▼
Bear River Hot Springs/Riverdale Resort (PWS ID: ID6210031) has 448 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 26 people using Groundwater sources.
How many people does Bear River Hot Springs/Riverdale Resort serve? ▼
Bear River Hot Springs/Riverdale Resort serves 26 people in Preston, Idaho. It is a Private-owned system using Groundwater water sources with 22 service connections.
What type of violations does Bear River Hot Springs/Riverdale Resort have? ▼
Bear River Hot Springs/Riverdale Resort has 448 total violations: 83 health-based violations (MCL exceedances or treatment failures), 269 monitoring/reporting violations, and 73 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bear River Hot Springs/Riverdale Resort water? ▼
No PFAS testing data is available for Bear River Hot Springs/Riverdale Resort under the EPA's UCMR5 monitoring program.
What water source does Bear River Hot Springs/Riverdale Resort use? ▼
Bear River Hot Springs/Riverdale Resort uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.