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Community Water System · PWS NV0000303

Old River Water Company

Fallon, Nevada 89406 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
413
EPA violations
149
Health-based
Untested
UCMR5 result

The verdict

EPA records 413 drinking-water violations at Old River Water Company, 36% of them health-based - above the Nevada per-system average.

413
Total EPA violations on record
36%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Old River Water Company

Old River Water Company is a private-owned community water system that delivers drinking water to 300 residents in Fallon, Nevada (Churchill County) through 111 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 413 total violations for this system , of which 149 (36%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 241 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 Arsenic, recorded in 181 violations (MR). 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%).

Old River Water Company's 413 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
300
Total Violations
413
Health-Based Violations
149
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
111
County
Churchill
School/Daycare
No
MCL Violations
141
Monitoring Violations
241
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 181 2025
Arsenic MCL 141 2021
Nitrate MR 17 2024
Nitrite MR 8 2017
Revised Total Coliform Rule TT 8 2023
Coliform (TCR) MR 7 2013
Consumer Confidence Rule Other 6 2023
Public Notice Other 6 2015
Lead and Copper Rule MR 5 2018
Revised Total Coliform Rule MON 4 2019
Nickel MR 4 2011
Antimony, Total MR 3 2011
Beryllium, Total MR 3 2011
Thallium, Total MR 3 2011
CYANIDE MR 3 2011
Revised Total Coliform Rule RPT 3 2020
E. COLI MR 3 2024

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 Old River Water Company.

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 NV0000303 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 Arsenic MR 181 SDWIS / NV0000303 / 1005
2024 Nitrate MR 17 SDWIS / NV0000303 / 1040
2024 E. COLI MR 3 SDWIS / NV0000303 / 3014
2023 Revised Total Coliform Rule TT 8 SDWIS / NV0000303 / 8000
2023 Consumer Confidence Rule Other 6 SDWIS / NV0000303 / 7000
2021 Arsenic MCL 141 SDWIS / NV0000303 / 1005
2020 Revised Total Coliform Rule RPT 3 SDWIS / NV0000303 / 8000
2019 Revised Total Coliform Rule MON 4 SDWIS / NV0000303 / 8000
2018 Lead and Copper Rule MR 5 SDWIS / NV0000303 / 5000
2017 Nitrite MR 8 SDWIS / NV0000303 / 1041
2015 Public Notice Other 6 SDWIS / NV0000303 / 7500
2013 Coliform (TCR) MR 7 SDWIS / NV0000303 / 3100
2011 Nickel MR 4 SDWIS / NV0000303 / 1036
2011 Antimony, Total MR 3 SDWIS / NV0000303 / 1074
2011 Beryllium, Total MR 3 SDWIS / NV0000303 / 1075

How Old River Water Company Compares

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

Metric Old River Water Company Nevada avg Federal benchmark
Total violations 413 95.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 149 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 300 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 Old River Water Company water safe to drink? ▼
Old River Water Company (PWS ID: NV0000303) has 413 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Old River Water Company serve? ▼
Old River Water Company serves 300 people in Fallon, Nevada. It is a Private-owned system using Groundwater water sources with 111 service connections.
What type of violations does Old River Water Company have? ▼
Old River Water Company has 413 total violations: 149 health-based violations (MCL exceedances or treatment failures), 241 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Old River Water Company water? ▼
No PFAS testing data is available for Old River Water Company under the EPA's UCMR5 monitoring program.
What water source does Old River Water Company use? ▼
Old River Water Company 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.