OHA Drinking Water Services
OR41 00357 GRESHAM, CITY OF Classification: COMMUNITY
Contact: STEVE WALKER Phone: 503-618-2900 View on Map
1333 NW EASTMAN PKWY County: MULTNOMAH
GRESHAM, OR 97030 Activity Status: Active -- History
Population: 73,932 Number of Connections: 17,513
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: 4 Last Survey Date:  Oct 09, 2025 - 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 PORTLAND WATER B. A SW
SRC-AA PORTLAND BUREAU OF WATER WORKS A Permanent SWP
EP-B EP FOR ROCKWOOD PUD (00668) AND PWB A SW
SRC-BA ROCKWOOD SRC CA/CB/CC (#00668) AND PWB A Permanent SWP
EP-C EP FOR ROCKWOOD PUD A GW
SRC-CA ROCKWOOD (#00668) (CASCADE WELLS 3,4,5) A Permanent GWP
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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 Due 7/1/2026 Due 7/11/2026
2024 4/21/2025 4/21/2025
2023 4/19/2024 4/19/2024
2022 4/12/2023 4/12/2023
2021 4/13/2022 4/13/2022

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