Public water system record

Tierra Del Mar Water Co

Serves an area of Tillamook County, OR · 80 people served

Federal records show no health-based violations and 50 monitoring/reporting issues for Tierra Del Mar Water Co in the last ten years.

  • OR4100610
  • CLOVERDALE
  • OR
  • 80 served

System profile

Source water Surface water
ZIP 97112
EPA system ID OR4100610

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
50

Key facts

  • Tierra Del Mar Water Co draws water from 1 surface water intake.
  • Most recent formal enforcement: compliance order with a penalty by Oregon, January 1992.
  • Record on file since 1976, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 209 unknown out of 282 service lines.

Check whether Tierra Del Mar Water Co serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

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

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2017 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2017 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Uranium
Monitoring and reporting
Jan 1, 2017 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.

Full record since 1976

EPA's records for Tierra Del Mar Water Co go back to 1976. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 93 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 1 11
2000s 0 33
2010 to October 18, 2016 0 47
October 19, 2016 to 2019 0 15
2020s 0 35

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began January 1992, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1992 Resolved

Enforcement actions

Oregon regulators took 1 formal enforcement action against Tierra Del Mar Water Co in 1992. The most recent was a compliance order with a penalty in January 1992.

Date By Action Violations covered
Jan 24, 1992 Oregon Compliance order with a penalty 8 violations: Surface Water Treatment Rule

Where the water comes from

Tierra Del Mar Water Co draws water from 1 surface water intake.

Annual water quality report

Tierra Del Mar Water Co 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 Tierra Del Mar Water Co 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.