States → EPA Region 9 — Tribal Water Systems

Community Water System · PWS 093200364

Battle Mountain

Battle Mountain, EPA Region 9 — Tribal Water Systems 89820 - drinking water served from groundwater sources to 195 people, tracked in EPA SDWIS and UCMR5.

Compiled by PlainWater Editorial, Drinking Water Quality Editorial Team · May 15, 2026

195
People served: 398
EPA violations: 70
Health-based: Untested
UCMR5 result

The verdict

EPA records 398 drinking-water violations at Battle Mountain, 18% of them health-based.

398
Total EPA violations on record: 18%
Health-based (MCL / treatment failure): 195
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Battle Mountain

Battle Mountain is a native american-owned community water system that delivers drinking water to 195 residents in Battle Mountain, EPA Region 9 — Tribal Water Systems through 69 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 398 total violations for this system , of which 70 (18%) 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 2024.

The most frequently cited contaminant at this system is Arsenic, recorded in 66 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.

EPA Region 9 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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

195

Total Violations

398

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Native American
Connections: 69
School/Daycare: No
MCL Violations: 67
Monitoring Violations: 269
Treatment Tech Violations: 3

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Arsenic	MCL	66	2013
Coliform (TCR)	MR	49	2014
Arsenic	MR	28	2023
Consumer Confidence Rule	Other	12	2019
Gross Alpha, Excl. Radon and U	MR	10	2013
Nitrate	MR	9	2010
Combined Radium (-226 and -228)	MR	7	2013
Lead and Copper Rule	MR	7	2011
Combined Uranium	MR	6	2013
Chlorine	MR	6	2024
Revised Total Coliform Rule	RPT	4	2024
2,3,7,8-TCDD	MR	3	2004
Pentachlorophenol	MR	3	2004
1,2,4-Trichlorobenzene	MR	3	2013
cis-1,2-Dichloroethylene	MR	3	2013
Xylenes, Total	MR	3	2013
DICHLOROMETHANE	MR	3	2013
p-Dichlorobenzene	MR	3	2013
o-Dichlorobenzene	MR	3	2013
Vinyl chloride	MR	3	2013
1,1-Dichloroethylene	MR	3	2013
1,2-Dichloroethane	MR	3	2013
trans-1,2-Dichloroethylene	MR	3	2013
1,1,1-Trichloroethane	MR	3	2013
1,2-Dichloropropane	MR	3	2013
Carbon tetrachloride	MR	3	2013
Trichloroethylene	MR	3	2013
1,1,2-Trichloroethane	MR	3	2013
Tetrachloroethylene	MR	3	2013
CHLOROBENZENE	MR	3	2013

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 Battle Mountain.

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 093200364 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — Tribal Water Systems'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 09 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
2024	Chlorine	MR	6	SDWIS / 093200364 / 0999
2024	Revised Total Coliform Rule	RPT	4	SDWIS / 093200364 / 8000
2024	Public Notice	Other	3	SDWIS / 093200364 / 7500
2024	LEAD AND COPPER RULE REVISIONS	RPT	3	SDWIS / 093200364 / 5200
2024	Groundwater Rule	TT	2	SDWIS / 093200364 / 0700
2023	Arsenic	MR	28	SDWIS / 093200364 / 1005
2022	Revised Total Coliform Rule	MON	2	SDWIS / 093200364 / 8000
2020	TTHM	MR	3	SDWIS / 093200364 / 2950
2020	Total Haloacetic Acids (HAA5)	MR	3	SDWIS / 093200364 / 2456
2020	Stage 1 Disinfectants and Disinfection Byproducts Rule	TT	1	SDWIS / 093200364 / 0400
2019	Consumer Confidence Rule	Other	12	SDWIS / 093200364 / 7000
2016	Revised Total Coliform Rule	Other	1	SDWIS / 093200364 / 8000
2014	Coliform (TCR)	MR	49	SDWIS / 093200364 / 3100
2013	Arsenic	MCL	66	SDWIS / 093200364 / 1005
2013	Gross Alpha, Excl. Radon and U	MR	10	SDWIS / 093200364 / 4000

How Battle Mountain Compares

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

Metric	Battle Mountain	EPA Region 9 — Tribal Water Systems avg	Federal benchmark
Total violations	398	-	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	70	-	Indicates a contaminant exceeded a federal MCL
PFAS detection	None	-	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	195	-	Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 9 — Tribal Water Systems.

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 Battle Mountain water safe to drink? ▼

Battle Mountain (PWS ID: 093200364) has 398 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 195 people using Groundwater sources.

How many people does Battle Mountain serve? ▼

Battle Mountain serves 195 people in Battle Mountain, EPA Region 9 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 69 service connections.

What type of violations does Battle Mountain have? ▼

Battle Mountain has 398 total violations: 70 health-based violations (MCL exceedances or treatment failures), 269 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Battle Mountain water? ▼

No PFAS testing data is available for Battle Mountain under the EPA's UCMR5 monitoring program.

What water source does Battle Mountain use? ▼

Battle Mountain 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.