PlainWater
States → Idaho

Transient Non-Community Water System · PWS ID6030092

Lds Swan Lake Church

Montpelier, Idaho 83254 - drinking water served from groundwater sources to 62 people, tracked in EPA SDWIS and UCMR5.

62
People served
70
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 70 drinking-water violations at Lds Swan Lake Church, 17% of them health-based - above the Idaho per-system average.

70
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
62
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lds Swan Lake Church

Lds Swan Lake Church is a private-owned transient non-community water system that delivers drinking water to 62 residents in Montpelier, Idaho (Bannock County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 70 total violations for this system , of which 12 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 47 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 Revised Total Coliform Rule, recorded in 37 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%).

Lds Swan Lake Church's 70 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
62
Total Violations
70
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Bannock
School/Daycare
No
MCL Violations
0
Monitoring Violations
47
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 37 2021
Revised Total Coliform Rule TT 12 2018
Public Notice Other 8 2019
E. COLI MR 8 2018
Groundwater Rule Other 3 2023
Coliform (TCR) MR 2 2016

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 Lds Swan Lake Church.

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 ID6030092 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 Groundwater Rule Other 3 SDWIS / ID6030092 / 0700
2021 Revised Total Coliform Rule MON 37 SDWIS / ID6030092 / 8000
2019 Public Notice Other 8 SDWIS / ID6030092 / 7500
2018 Revised Total Coliform Rule TT 12 SDWIS / ID6030092 / 8000
2018 E. COLI MR 8 SDWIS / ID6030092 / 3014
2016 Coliform (TCR) MR 2 SDWIS / ID6030092 / 3100

How Lds Swan Lake Church Compares

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

Metric Lds Swan Lake Church Idaho avg Federal benchmark
Total violations 70 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 62 870 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 Lds Swan Lake Church water safe to drink? ▼
Lds Swan Lake Church (PWS ID: ID6030092) has 70 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 62 people using Groundwater sources.
How many people does Lds Swan Lake Church serve? ▼
Lds Swan Lake Church serves 62 people in Montpelier, Idaho. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Lds Swan Lake Church have? ▼
Lds Swan Lake Church has 70 total violations: 12 health-based violations (MCL exceedances or treatment failures), 47 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lds Swan Lake Church water? ▼
No PFAS testing data is available for Lds Swan Lake Church under the EPA's UCMR5 monitoring program.
What water source does Lds Swan Lake Church use? ▼
Lds Swan Lake Church 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.