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Community Water System · PWS NV0000186

Pioche Public Utilities

Pioche, Nevada 89043 - drinking water served from groundwater sources to 700 people, tracked in EPA SDWIS and UCMR5.

700
People served
52
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 52 drinking-water violations at Pioche Public Utilities, 33% of them health-based - below the Nevada per-system average.

52
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
700
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pioche Public Utilities

Pioche Public Utilities is a local-owned community water system that delivers drinking water to 700 residents in Pioche, Nevada (Lincoln County) through 598 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 52 total violations for this system , of which 17 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 21 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 Coliform (TCR), recorded in 17 violations (MCL, 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 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%).

Pioche Public Utilities's 52 violations sit below 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
700
Total Violations
52
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
598
County
Lincoln
School/Daycare
No
MCL Violations
17
Monitoring Violations
21
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 17 2005
Coliform (TCR) MR 5 2008
Consumer Confidence Rule Other 5 2025
Lead and Copper Rule MR 4 2008
Arsenic MR 3 2014
Nickel MR 3 2011
Nitrate MR 3 2023
Revised Total Coliform Rule MON 3 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 Pioche Public 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 NV0000186 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 Consumer Confidence Rule Other 5 SDWIS / NV0000186 / 7000
2023 Nitrate MR 3 SDWIS / NV0000186 / 1040
2016 Revised Total Coliform Rule MON 3 SDWIS / NV0000186 / 8000
2014 Arsenic MR 3 SDWIS / NV0000186 / 1005
2011 Nickel MR 3 SDWIS / NV0000186 / 1036
2008 Coliform (TCR) MR 5 SDWIS / NV0000186 / 3100
2008 Lead and Copper Rule MR 4 SDWIS / NV0000186 / 5000
2005 Coliform (TCR) MCL 17 SDWIS / NV0000186 / 3100

How Pioche Public Utilities Compares

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

Metric Pioche Public Utilities Nevada avg Federal benchmark
Total violations 52 95.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 700 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 Pioche Public Utilities water safe to drink? ▼
Pioche Public Utilities (PWS ID: NV0000186) has 52 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 700 people using Groundwater sources.
How many people does Pioche Public Utilities serve? ▼
Pioche Public Utilities serves 700 people in Pioche, Nevada. It is a Local-owned system using Groundwater water sources with 598 service connections.
What type of violations does Pioche Public Utilities have? ▼
Pioche Public Utilities has 52 total violations: 17 health-based violations (MCL exceedances or treatment failures), 21 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pioche Public Utilities water? ▼
No PFAS testing data is available for Pioche Public Utilities under the EPA's UCMR5 monitoring program.
What water source does Pioche Public Utilities use? ▼
Pioche Public 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.