Public water system record
Walker River Paiute Tribe
Serves Schurz, Mineral County, NV · 662 people served
Federal records show 4 health-based violations and 58 monitoring/reporting issues for Walker River Paiute Tribe in the last ten years, including an unresolved Groundwater Rule violation.
System profile
Source water
Groundwater
ZIP
89427
EPA system ID
093200360
- Health-based violations, last 10 years
- 4
- Resolved
- 3
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 58
Key facts
- Walker River Paiute Tribe draws water from 2 wells.
- Highest measured level in the last 10 years: Arsenic, 0.0138 mg/L, federal limit 0.01 mg/L (1.4 times the limit), 2025.
- Record on file since 1996, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 268 unknown out of 440 service lines.
Check whether Walker River Paiute Tribe serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.0138 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
330 | Apr 1, 2025 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0128 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Jan 1, 2025 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 21, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 27, 2020 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Nov 16, 2024 | Active |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Sep 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Mar 21, 2023 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,4-D
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LASSO
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Atrazine
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Picloram
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Simazine
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Endothall
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Diquat
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Dalapon
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Endrin
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Fluoride
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2016 | Resolved |
Full record since 1996
EPA's records for Walker River Paiute Tribe go back to 1996. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 267 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 80 |
| 2000s | 7 | 114 |
| 2010 to October 18, 2016 | 0 | 73 |
| October 19, 2016 to 2019 | 0 | 11 |
| 2020s | 4 | 46 |
Most recent health-based violation before October 19, 2016: Arsenic, began October 2008, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.01467 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Oct 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.077 mg/L, federal limit 0.01 mg/L (7.7 times the limit)
|
Jul 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.077 mg/L, federal limit 0.01 mg/L (7.7 times the limit)
|
Apr 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.077 mg/L, federal limit 0.01 mg/L (7.7 times the limit)
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2006 | Resolved |
|
Arsenic
Contaminant limit exceeded
|
Jan 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2004 | Resolved |
What the violations mean
Arsenic
2 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Groundwater Rule
2 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Walker River Paiute Tribe draws water from 2 wells.
Annual water quality report
Walker River Paiute Tribe must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by EPA Region 9.
Certified drinking water labs by state EPA guidance for private wells