Public water system record

Lyons Mehama Water District

On record as serving Linn County, OR · Serves 1,300 people

Federal records show 1 health-based violation and 61 monitoring/reporting issues for Lyons Mehama Water District in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • OR4100493
  • LYONS
  • OR
  • 1,300 served

System profile

Source water Surface water
ZIP 97358
EPA system ID OR4100493

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
61

Key facts

  • Lyons Mehama Water District draws water from 1 surface water intake.
  • Most recent formal enforcement: compliance order with a penalty by Oregon, August 1999.
  • Record on file since 1976, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 824 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
Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
May 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2019 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2018 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2018 Resolved
Public Notice
OTHER
Mar 11, 2018 Resolved

Full record since 1976

EPA's records for Lyons Mehama Water District go back to 1976. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 115 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 1 21
2000s 1 86
2010 to October 18, 2016 1 6
October 19, 2016 to 2019 1 8
2020s 0 53

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began September 2012, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 2012 Resolved
Lead and Copper Rule
Treatment technique failure
Jan 1, 2000 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1992 Resolved

Enforcement actions

Oregon regulators took 4 formal enforcement actions against Lyons Mehama Water District between 1992 and 1999. The most recent was a compliance order with a penalty in August 1999.

Date By Action Violations covered
Aug 23, 1999 Oregon Compliance order with a penalty 1 violation (1 health-based): Lead and Copper Rule
Oct 3, 1996 Oregon Administrative penalty 1 violation: Lead and Copper Rule
Apr 1, 1996 Oregon Compliance order with a penalty 1 violation: Lead and Copper Rule
Jan 24, 1992 Oregon Compliance order with a penalty 21 violations: Surface Water Treatment Rule

What the violations mean

Surface Water Treatment Rule

1 incident

The system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Lyons Mehama Water District draws water from 1 surface water intake.

Annual water quality report

Lyons Mehama 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.