OHA Drinking Water Services
OR41 00203 COLUMBIA CITY MUN WATERWORKS Classification: COMMUNITY
Contact: MICAH ROGERS Phone: 503-366-0454 View on Map
PO BOX 189 County: COLUMBIA
COLUMBIA CITY, OR 97018 Activity Status: Active -- History
Population: 1,995 Number of Connections: 876
Operating Period: January 1 to December 31 Regulating Agency: COLUMBIA COUNTY
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 2 Last Survey Date:  Nov 13, 2024
Treatment class: 1
Filtration Endorsement Required: No Source Water Protection Status

Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR ST. HELENS, CITY OF I GU
SRC-AA ST. HELENS, CITY OF I Emergency GUP
EP-C EP FOR WELL #2 AND WELL #1 A GW
SRC-CA WELL #2 - L80323 A Permanent GW
SRC-CB WELL #1 - L76752 I Emergency GW
Show Disconnected and Abandoned Sources
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-C TP FOR WELL #2 AND WELL #1 HYPOCHLORINATION, POST DISINFECTION
PH ADJ-CAUSTIC SODA CORROSION CONTROL
GWR 4-LOG VIRUS COMPLIANCE MON DISINFECTION

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2025 Due 7/1/2026 Due 7/11/2026
2024 6/30/2025 6/30/2025
2023 7/8/2024 7/8/2024
2022 8/15/2023 8/15/2023
2021 7/8/2022 7/8/2022

Cross Connection/Backflow Prevention Information (Last 5 Years)
Enabling Authority Received Annual Summary Report Cross Connection Fee Status
Yes (pdf) 2025 - Received (pdf)
2024 - Received (pdf)
2023 - Received (pdf)
2022 - Received (pdf)
2021 - Not received
2026 - Paid
2025 - Paid
2024 - Paid
2023 - Paid
2022 - Paid Late