Public water system record

Washoe Tribe Carson Colony

Serves Carson City, Carson City, NV · 450 people served

Federal records show 1 health-based violation and 9 monitoring/reporting issues for Washoe Tribe Carson Colony in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • 093200161
  • GARDNERVILLE
  • NV
  • 450 served

System profile

Source water Groundwater
ZIP 89410
EPA system ID 093200161

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
9

Key facts

  • Washoe Tribe Carson Colony draws water from 2 wells.
  • Record on file since 1996, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 91 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
140 Jul 27, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Nitrate
Monitoring and reporting
Apr 1, 2023 Resolved
Nitrate
Monitoring and reporting
Jul 1, 2020 Resolved
2,3,7,8-TCDD
Monitoring and reporting
Jan 1, 2020 Resolved
Revised Total Coliform Rule
RPT
Dec 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2016 Resolved
Revised Total Coliform Rule
OTHER
Apr 1, 2016 Resolved
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
Oct 1, 2013 Resolved

Full record since 1996

EPA's records for Washoe Tribe Carson Colony go back to 1996. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 172 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 65
2000s 2 46
2010 to October 18, 2016 1 61
October 19, 2016 to 2019 1 2
2020s 0 3

Most recent health-based violation before October 19, 2016: Nitrate (acute), began April 2013, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Nitrate (acute)
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
Apr 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2004 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2003 Resolved

What the violations mean

Groundwater Rule

1 incident

The 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 this violation.

Where the water comes from

Washoe Tribe Carson Colony draws water from 2 wells.

Annual water quality report

Washoe Tribe Carson Colony 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Washoe Tribe Carson Colony for a copy.

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.