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Public water system record

Tygh Valley Water District

Serves Tygh Valley, Wasco County, OR · 218 people served

Federal records show 1 health-based violation and 14 monitoring/reporting issues for Tygh Valley Water District in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • OR4100912
  • TYGH VALLEY
  • OR
  • 218 served

System profile

Source water Groundwater
ZIP 97063
EPA system ID OR4100912

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
14

Key facts

  • Tygh Valley Water District draws water from 1 well.
  • Record on file since 1976, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 100 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
Revised Total Coliform Rule
Contaminant limit exceeded
 110 Jun 1, 2018 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
E. coli
Monitoring and reporting
 Aug 18, 2024 Active
Consumer Confidence Rule
OTHER
 Jul 1, 2024 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2021 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 Apr 1, 2020 Resolved
Heptachlor
Monitoring and reporting
 Jan 1, 2020 Resolved
Public Notice
OTHER
 Jun 24, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jul 1, 2017 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2017 Resolved
E. coli
Monitoring and reporting
 Jun 12, 2014 Resolved
Combined Uranium
Monitoring and reporting
 Jan 1, 2008 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
 Jan 1, 2008 Resolved

Full record since 1976

EPA's records for Tygh Valley Water District go back to 1976. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 85 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 0 17
2000s 4 59
2010 to October 18, 2016 0 7
October 19, 2016 to 2019 1 4
2020s 0 7

Most recent health-based violation before October 19, 2016: Total Coliform, began July 2007, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Jul 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
 Nov 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2000 Resolved

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Tygh Valley Water District draws water from 1 well.

Annual water quality report

Tygh Valley Water District 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 Tygh Valley Water District 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 Oregon.

Certified drinking water labs by state EPA guidance for private wells