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Washoe Tribe Carson Colony

Nevada — Community Water System — PWSID: 093200161

System Information

PWSID093200161
System NameWashoe Tribe Carson Colony
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateNevada
CityGardnerville
ZIP Code89410
Address919 Highway 395 South
OrganizationWashoe Tribal Council
Phone7752658600

Population & Service

Population Served450
Service Connections93

Drinking Water Violations (203)

This water system has 203 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Apr 1, 2023 Jun 30, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2023 Nitrate Rule
Jul 1, 2020 Sep 30, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2020 Nitrate Rule
Jan 1, 2020 Dec 31, 2022 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Dec 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 10, 2020 Revised Total Coliform Rule
Jul 27, 2017 — Groundwater Rule TT Yes No — — — Resolved Mar 7, 2019 Ground Water Rule
Jan 1, 2017 Jun 30, 2017 Lead and Copper Rule MR No No — TT — Resolved Jun 8, 2017 Lead and Copper Rule
Jul 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Jun 8, 2017 Lead and Copper Rule
Jul 1, 2016 Dec 31, 2016 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2016 Lead and Copper Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Jun 20, 2018 Revised Total Coliform Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Jun 20, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 Nitrate MCL Yes No 13 MG/L 10 mg/L — Resolved Jun 30, 2013 Nitrate Rule
Mar 1, 2013 Mar 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2013 Total Coliform Rule
Jan 1, 2013 Mar 31, 2013 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2013 Nitrate Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jun 28, 2013 Consumer Confidence Rule
Jul 1, 2012 Sep 30, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2012 Nitrate Rule
Apr 1, 2012 Jun 30, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2012 Nitrate Rule
Jan 1, 2012 Mar 31, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2012 Nitrate Rule
Jan 1, 2011 Dec 31, 2013 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 LASSO MR No Yes — — — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2013 Volatile Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2013 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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