OHA Drinking Water Services
OR41
PWS ID: 01233 ---- DEER ISLAND WATERWORKS

Most Recent Water System Survey
Survey Date: Dec 12, 2025
Notification Date: Jan 03, 2026 (22 days)
Regulating Agency: COLUMBIA COUNTY
Survey Frequency: 3 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Deficiencies:
Category Deficiency Due Date Resolved Date
Cross Connection Annual summary report not issued (CWS)May 09, 2026
Management & Operations No operations and maintenance manualMay 09, 2026
Management & Operations Emergency response plan not completedMay 09, 2026
Management & Operations Annual CCR not submitted (CWS)May 09, 2026
Monitoring & Reporting Monitoring not currentMay 09, 2026
Monitoring & Reporting MCL violationsMay 09, 2026
Operator Certification No certified operator at required levelMay 09, 2026


 Hide Site Visit History
Water System Site Visit History
Reason Visit Date Frequency Next Due Notification Date
(Days after survey)		 Responsible
Agency		 Comments and
Deficiencies
Sanitary Survey, Finished (SNSV) 12/12/2025 3 YR  * 01/03/2026 (22) COLUMBIA COUNTY Show details
Sanitary Survey, Finished (SNSV) 08/18/2022 3 YR  * 10/27/2022 (70) COLUMBIA COUNTY Show details
Sanitary Survey, Finished (SNSV) 10/25/2019 3 YR  * 11/24/2019 (30) COLUMBIA COUNTY Hide details
 
Category Deficiency Due Date Resolved Date
Cross Connection No ordinance or enabling authority (CWS)Mar 29, 2020 Overdue
Cross Connection Annual summary report not issued (CWS)Mar 29, 2020 Overdue
Management & Operations Annual CCR not submitted (CWS)Mar 29, 2020 Overdue
Disinfection Chlorine not measured & recorded as requiredMar 29, 2020 Overdue
Well Construction Does not meet setbacks from hazardsMar 29, 2020 Nov 11, 2019
Sanitary Survey, Finished (SNSV) 10/14/2016 3 YR  * 12/23/2016 (70) COLUMBIA COUNTY Show details
Sanitary Survey, Finished (SNSV) 05/24/2013 3 YR  * 07/19/2013 (56) CLACKAMAS COUNTY Show details
Sanitary Survey, Finished (SNSV) 04/17/2009 3 YR  * 05/29/2009 (42) COLUMBIA COUNTY No details
Sanitary Survey, Finished (SNSV) 06/20/2006 3 YR  * 06/20/2006 (0) COLUMBIA COUNTY No details
Sanitary Survey, Finished (SNSV) 10/29/2001 3 YR  * COLUMBIA COUNTY Show details
 



More information for this water system: SDWIS ID 3587
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
PFAS data are now located on the Chemical Results page.
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login