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States → 09

Washoe Tribe Stewart

PWS ID: 093200359 · Gardnerville, 09 89410

Population Served
150
Total Violations
148
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
53
School/Daycare
No
MCL Violations
0
Monitoring Violations
136
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 13 2013
Nitrate MR 8 2024
Consumer Confidence Rule Other 3 2012
Lead and Copper Rule MR 3 1998
Endrin MR 2 2001
BHC-GAMMA MR 2 2001
Methoxychlor MR 2 2001
Dalapon MR 2 2001
Endothall MR 2 2001
Di(2-ethylhexyl) adipate MR 2 2001
Di(2-ethylhexyl) phthalate MR 2 2001
OXAMYL MR 2 2001
Simazine MR 2 2001
Picloram MR 2 2001
Dinoseb MR 2 2001
Hexachlorocyclopentadiene MR 2 2001
Carbofuran MR 2 2001
Atrazine MR 2 2001
2,3,7,8-TCDD MR 2 2001
Heptachlor MR 2 2001
Heptachlor epoxide MR 2 2001
2,4-D MR 2 2001
2,4,5-TP MR 2 2001
HEXACHLOROBENZENE MR 2 2001
Benzo(a)pyrene MR 2 2001
Pentachlorophenol MR 2 2001
1,2,4-Trichlorobenzene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2001
Total Polychlorinated Biphenyls (PCB) MR 2 2001
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.