OHA Drinking Water Services
OR41
PWS ID: 94930 ---- LANGDON LAKE WATER COOPERATIVE

Most Recent Water System Survey
Survey date: Nov 13, 2025
Notification date: Nov 18, 2025 (5 days)
Regulating agency: DWS (REGION 1)
Survey frequency: 3 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Significant deficiencies and unmet rule requirements:
Category Significant deficiency or unmet rule requirement Due date Resolved date
Management & Operations No operations and maintenance manualMar 24, 2026 Dec 01, 2025


 Hide Site Visit History
Water System Site Visit History
Reason Visit date Frequency Next due Notification date
(Days after survey)
Responsible
agency
Comments and
significant deficiencies or unmet rule requirements
Sanitary Survey, Finished (SNSV) 11/13/2025 3 YR  * 11/18/2025 (5) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 07/14/2020 5 YR  * 07/28/2020 (14) REGION 1 Hide details
  No significant deficiencies or unmet rule requirements were identified.

Sanitary Survey, Finished (SNSV) 10/28/2015 5 YR  * 11/24/2015 (27) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 07/24/2009 5 YR  * 08/26/2009 (33) DWP Show details
Sanitary Survey, Finished (SNSV) 09/20/2004 5 YR  * DWP Show details