OHA Drinking Water Services
OR41 00953 WILLAMINA, CITY OF Classification: COMMUNITY
Contact: JUSTIN RIGGS Phone: 503-437-7003 View on Map
PO BOX 629 County: YAMHILL
WILLAMINA, OR 97396 Activity Status: Active -- History
Population: 2,284 Number of Connections: 900
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:  Feb 10, 2022
Treatment class: 3
Filtration Endorsement Required: No Source Water Protection Status

Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR WILLAMINA CREEK A SW
SRC-AA WILLAMINA CREEK A Permanent SW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit		 Treatment Process Treatment Objective
WTP-A TP FOR WILLAMINA CREEK Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
HYPOCHLORINATION, POST DISINFECTION
PH/ALKA ADJ-SODA ASH CORROSION CONTROL
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
PH ADJUSTMENT, PRE PARTICULATE REMOVAL
RAPID MIX PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2023 2/22/2024 2/22/2024
2022 1/12/2023 1/12/2023
2021 2/23/2022 2/23/2022
2020 4/16/2021 4/16/2021
2019 3/5/2020 3/5/2020

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received		 Cross Connection
Fee Status
Yes (PDF) 2023 (PDF) 2025 - Unpaid
2024 - Paid
2023 - Paid
2022 - Paid
2021 - Paid
  2022 (PDF)
  2021 (PDF)

More information for this water system: SDWIS ID 4690
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