OHA Drinking Water Services
OR41 00792 SCAPPOOSE, CITY OF Classification: COMMUNITY
Contact: KEVIN TURNER Phone: 503-543-7146 View on Map
33568 E COLUMBIA AVE County: COLUMBIA
SCAPPOOSE, OR 97056 Activity Status: Active -- History
Population: 8,710 Number of Connections: 2,793
Operating Period: January 1 to December 31 Regulating Agency: REGION 1
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 2 Last Survey Date:  Oct 15, 2025
Treatment class: 2
Filtration Endorsement Required: Yes Source Water Protection Status

Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR WTP-A A SW
SRC-AA SOUTH FORK SCAPPOOSE CREEK A Permanent SW
SRC-AB GOURLEY CREEK A Permanent SW
SRC-AC LACEY CREEK A Permanent SW
SRC-AD DUTCH CANYON WELL - L48786 I Other GW
SRC-AE DUTCH CANYON WELL #2 - L112736 A Permanent GW
EP-B EP FOR MILLER ROAD WELLS A GW
SRC-BA MILLER ROAD TEST WELL #1 - L44949 A Permanent GW
SRC-BB MILLER ROAD PRODUCTION WELL #2 - L37092 A Permanent GW
SRC-BC MILLER ROAD WELL #3 - L41159 A Permanent GW
SRC-BD CROWN ZELLERBACH WELL #1 - L102163 A Permanent GW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A TP FOR SW Direct Filtration 2.0-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
GASEOUS CHLORINATION, POST DISINFECTION
PH ADJ-CAUSTIC SODA CORROSION CONTROL
FLUORIDATION OTHER
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL
WTP-AD TP FOR DUTCH CANYON WELLS FILTRATION, GREENSAND IRON REMOVAL
HYPOCHLORINATION, PRE IRON REMOVAL
PH ADJ-CAUSTIC SODA CORROSION CONTROL
PERMANGANATE IRON REMOVAL
FLUORIDATION OTHER
WTP-B TP FOR MILLER ROAD WELLS FILTRATION, GREENSAND IRON REMOVAL
HYPOCHLORINATION, PRE IRON REMOVAL
RESID. MAINT. HYPOCHLORINATION OTHER
PH/ALKA ADJ-SODA ASH CORROSION CONTROL
PERMANGANATE IRON REMOVAL
FLUORIDATION OTHER

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2025 Due 7/1/2026 Due 7/11/2026
2024 6/18/2025 6/27/2025
2023 5/29/2024 6/26/2024
2022 7/28/2023 7/26/2023
2021 9/1/2023 9/15/2022

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 - Received (pdf)
2026 - Paid
2025 - Paid
2024 - Paid
2023 - Paid
2022 - Paid