OHA Drinking Water Services
OR41 06274 HILLSBORO-BUTTERNUT CREEK Classification: COMMUNITY
Contact: JESSICA DORSEY Phone: 503-615-6579
150 E MAIN ST County: WASHINGTON
HILLSBORO, OR 97123 Activity Status: Inactive Jun 25, 2024 -- History
Population: 373 Number of Connections: 149
Operating Period: January 1 to December 31 Regulating Agency: WASHINGTON COUNTY
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: (PWS inactive) Licensed By: N/A
Distribution class: S Last Survey Date:  Jul 07, 2020 - Outstanding Performer!
Treatment class: None
Filtration Endorsement Required: No Source Water Protection Status

Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR TUALATIN VALLEY A SW
SRC-AA TUALATIN VALLEY WD (00665) A Permanent SWP
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2025 Not required Not required
2024 7/8/2025 8/13/2025
2023 6/28/2024 7/19/2024
2022 6/30/2023 6/30/2023
2021 6/27/2022 6/27/2022

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