County 09031 County, 09
Violation Analysis
Water Source Types
PFAS Contamination
PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.
Compliance Snapshot
County 09031 09 water systems by violation status, EPA SDWIS records.
Violation history is cumulative — many flagged systems have already returned to compliance. Detail pages show per-system context.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Santa Rosa Tachi Palace | 9,000 | 218 | Clean |
| Rock Springs Community - NTUA | 1,574 | 67 | — |
| Santa Rosa Rancheria | 1,000 | 306 | — |
| Wadsworth | 950 | 155 | — |
| Wingate High School - BIE | 900 | 77 | — |
| Nixon | 800 | 173 | — |
| Wingate Elementary School (New) - BIE | 800 | 10 | — |
| Hungry Valley (Reno-Sparks) | 620 | 40 | — |
| Fort Wingate Community | 550 | 67 | — |
| Reno Sparks Indian Colony | 457 | 3 | — |
| Eastern Navajo Agency - BIE | 455 | 112 | — |
| Baca (Dlo-ay Ashi) Community School - BIE | 424 | 14 | — |
| Verdi Smoke Shop | 415 | 5 | — |
| Pueblo Pintado Community School (New) - BIA | 385 | 123 | — |
| Sutcliffe | 250 | 221 | — |
| Ojo Encino Day School (New) - BIA | 192 | 20 | — |
| Washoe Tribe Stewart | 150 | 148 | — |
| Chi Chil Tah Jones Ranch Community School - BIE | 137 | 94 | — |
| Tse' Yi' Gai High School | 126 | 16 | — |
| Dibe Yazhi Habitiin (Borrego Pass) Day School-BIE | 120 | 30 | — |
| Bread Springs Day School (New) - BIE | 115 | 66 | — |
| Washoe Court and Environmental | 60 | 134 | — |
| Big Bend | 50 | 94 | — |
Other Counties in 09
Drinking Water Guides
Related Environmental Data
Frequently Asked Questions
How many water violations are in County 09031 County? ▼
How many people get water from County 09031 County systems? ▼
Has PFAS been detected in County 09031 County water? ▼
What types of water sources supply County 09031 County? ▼
Are health-based violations serious? ▼
Where does this water quality data come from? ▼
Data Sources & Methodology
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.
Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.
Read our methodology — how this data is sourced, computed, and verified.
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