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Public water system record

Diamond Lake Lodge/Resort

Serves an area of Douglas County, OR · 90 people served

Federal records show no health-based violations and 15 monitoring/reporting issues for Diamond Lake Lodge/Resort in the last ten years.

  • OR4192104
  • RIDDLE
  • OR
  • 90 served

System profile

Source water Groundwater
ZIP 97469
EPA system ID OR4192104

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
15

Key facts

  • Diamond Lake Lodge/Resort draws water from 2 springs.
  • Most recent formal enforcement: compliance order with a penalty by Oregon, May 1998.
  • Record on file since 1991, with 13 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 102 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.

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
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2024 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2023 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 Mar 1, 2021 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 Nov 1, 2020 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2020 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.
Nitrite
Monitoring and reporting
 Jan 1, 2014 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
 Jan 1, 2011 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
 Jan 1, 2008 Resolved

Full record since 1991

EPA's records for Diamond Lake Lodge/Resort go back to 1991. Before October 19, 2016 they list 13 health-based violations (12 resolved, 1 archived by EPA without a recorded fix) and 127 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 9 90
2000s 2 30
2010 to October 18, 2016 2 7
October 19, 2016 to 2019 0 1
2020s 0 11

Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began June 2016, Resolved.

Show all 13 health-based violations before October 19, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
 Jun 1, 2016 Resolved
Lead and Copper Rule
Treatment technique failure
 May 6, 2016 Resolved
Total Coliform
Contaminant limit exceeded
 Dec 1, 2001 Resolved
Lead and Copper Rule
Treatment technique failure
 Jan 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
 Nov 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 1998 Resolved
Total Coliform (acute)
Contaminant limit exceeded
 May 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
 Mar 1, 1998 Resolved
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1996 Resolved
Lead and Copper Rule
Treatment technique failure
 Dec 1, 1995 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 1992 Archived

Enforcement actions

Oregon regulators took 1 formal enforcement action against Diamond Lake Lodge/Resort in 1998, filed as 2 records in EPA's data. The most recent was a compliance order with a penalty in May 1998.

Date By Action Violations covered
May 29, 1998 Oregon Compliance order with a penalty 2 violations (1 health-based): Lead and Copper Rule

Where the water comes from

Diamond Lake Lodge/Resort draws water from 2 springs.

Annual water quality report

Diamond Lake Lodge/Resort 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 Diamond Lake Lodge/Resort 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