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Transient Non-Community Water System · PWS NV0004096

Lone Mountain Station

Elko, Nevada 89801 - drinking water served from groundwater sources to 25 people, tracked in EPA SDWIS and UCMR5.

25
People served
231
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 231 drinking-water violations at Lone Mountain Station, 4% of them health-based - above the Nevada per-system average.

231
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
25
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lone Mountain Station

Lone Mountain Station is a private-owned transient non-community water system that delivers drinking water to 25 residents in Elko, Nevada (Elko County) through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 231 total violations for this system , of which 10 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 219 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 112 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 Nevada, EPA tracks 589 public water systems serving 3,455,285 people, with 56,333 cumulative violations and 6,657 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 95.6 violations. Statewide, 50 of 57 UCMR5-tested systems have reported PFAS detections (87.7%).

Lone Mountain Station's 231 violations sit above the Nevada 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
25
Total Violations
231
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
14
County
Elko
School/Daycare
No
MCL Violations
2
Monitoring Violations
219
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 112 2025
Coliform (TCR) MR 61 2016
Nitrate MR 24 2021
Nitrite MR 12 2020
E. COLI MR 10 2022
Revised Total Coliform Rule TT 8 2019
Coliform (TCR) MCL 2 2003

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 Lone Mountain Station.

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 NV0004096 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Nevada Drinking Water Authority

Nevada'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 NV 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 112 SDWIS / NV0004096 / 8000
2022 E. COLI MR 10 SDWIS / NV0004096 / 3014
2021 Nitrate MR 24 SDWIS / NV0004096 / 1040
2020 Nitrite MR 12 SDWIS / NV0004096 / 1041
2019 Revised Total Coliform Rule TT 8 SDWIS / NV0004096 / 8000
2016 Coliform (TCR) MR 61 SDWIS / NV0004096 / 3100
2003 Coliform (TCR) MCL 2 SDWIS / NV0004096 / 3100

How Lone Mountain Station Compares

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

Metric Lone Mountain Station Nevada avg Federal benchmark
Total violations 231 95.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 11.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 87.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 25 5,866 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 589 regulated public water systems in Nevada.

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 Lone Mountain Station water safe to drink? ▼
Lone Mountain Station (PWS ID: NV0004096) has 231 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does Lone Mountain Station serve? ▼
Lone Mountain Station serves 25 people in Elko, Nevada. It is a Private-owned system using Groundwater water sources with 14 service connections.
What type of violations does Lone Mountain Station have? ▼
Lone Mountain Station has 231 total violations: 10 health-based violations (MCL exceedances or treatment failures), 219 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lone Mountain Station water? ▼
No PFAS testing data is available for Lone Mountain Station under the EPA's UCMR5 monitoring program.
What water source does Lone Mountain Station use? ▼
Lone Mountain Station 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.