PlainWater

Community Water System · PWS 093200162

Washoe Tribe Dresslerville Community

Gardnerville, EPA Region 9 — Tribal Water Systems 89410 - drinking water served from groundwater sources to 452 people, tracked in EPA SDWIS and UCMR5.

452
People served
190
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 190 drinking-water violations at Washoe Tribe Dresslerville Community, 1% of them health-based.

190
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
452
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Washoe Tribe Dresslerville Community

Washoe Tribe Dresslerville Community is a native american-owned community water system that delivers drinking water to 452 residents in Gardnerville, EPA Region 9 — Tribal Water Systems through 163 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 190 total violations for this system , of which 1 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 165 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 Coliform (TCR), recorded in 13 violations (MR). 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
452
Total Violations
190
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
163
School/Daycare
No
MCL Violations
0
Monitoring Violations
165
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 13 2013
Nitrate MR 9 2024
BHC-GAMMA MR 3 2011
Methoxychlor MR 3 2011
Toxaphene MR 3 2011
Dalapon MR 3 2011
Diquat MR 3 2011
Endothall MR 3 2011
Di(2-ethylhexyl) adipate MR 3 2011
OXAMYL MR 3 2011
Simazine MR 3 2011
Picloram MR 3 2011
Hexachlorocyclopentadiene MR 3 2011
Carbofuran MR 3 2011
Atrazine MR 3 2011
LASSO MR 3 2011
2,3,7,8-TCDD MR 3 2011
Heptachlor MR 3 2011
Heptachlor epoxide MR 3 2011
2,4-D MR 3 2011
2,4,5-TP MR 3 2011
HEXACHLOROBENZENE MR 3 2011
Benzo(a)pyrene MR 3 2011
Pentachlorophenol MR 3 2011
Total Polychlorinated Biphenyls (PCB) MR 3 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2011
ETHYLENE DIBROMIDE MR 3 2011
Chlordane MR 3 2011
Lead and Copper Rule MR 3 1998
Consumer Confidence Rule Other 3 2012

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 Washoe Tribe Dresslerville Community.

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 093200162 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 Nitrate MR 9 SDWIS / 093200162 / 1040
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / 093200162 / 5200
2022 Groundwater Rule TT 1 SDWIS / 093200162 / 0700
2019 Revised Total Coliform Rule RPT 1 SDWIS / 093200162 / 8000
2013 Coliform (TCR) MR 13 SDWIS / 093200162 / 3100
2012 Consumer Confidence Rule Other 3 SDWIS / 093200162 / 7000
2011 BHC-GAMMA MR 3 SDWIS / 093200162 / 2010
2011 Methoxychlor MR 3 SDWIS / 093200162 / 2015
2011 Toxaphene MR 3 SDWIS / 093200162 / 2020
2011 Dalapon MR 3 SDWIS / 093200162 / 2031
2011 Diquat MR 3 SDWIS / 093200162 / 2032
2011 Endothall MR 3 SDWIS / 093200162 / 2033
2011 Di(2-ethylhexyl) adipate MR 3 SDWIS / 093200162 / 2035
2011 OXAMYL MR 3 SDWIS / 093200162 / 2036
2011 Simazine MR 3 SDWIS / 093200162 / 2037

How Washoe Tribe Dresslerville Community Compares

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

Metric Washoe Tribe Dresslerville Community EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 190 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 452 - 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 Washoe Tribe Dresslerville Community water safe to drink?
Washoe Tribe Dresslerville Community (PWS ID: 093200162) has 190 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 452 people using Groundwater sources.
How many people does Washoe Tribe Dresslerville Community serve?
Washoe Tribe Dresslerville Community serves 452 people in Gardnerville, EPA Region 9 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 163 service connections.
What type of violations does Washoe Tribe Dresslerville Community have?
Washoe Tribe Dresslerville Community has 190 total violations: 1 health-based violations (MCL exceedances or treatment failures), 165 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Washoe Tribe Dresslerville Community water?
No PFAS testing data is available for Washoe Tribe Dresslerville Community under the EPA's UCMR5 monitoring program.
What water source does Washoe Tribe Dresslerville Community use?
Washoe Tribe Dresslerville Community 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.
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.