OHA Drinking Water Services
OR41 00460 LAKE GROVE WATER DISTRICT Classification: COMMUNITY
Contact: TAMMY SCHALK Phone: 503-636-1617 View on Map
PO BOX 1173 County: CLACKAMAS
LAKE OSWEGO, OR 97035 Activity Status: Active -- History
Population: 3,100 Number of Connections: 1,234
Operating Period: January 1 to December 31 Regulating Agency: CLACKAMAS COUNTY
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 2 Last Survey Date:  Oct 23, 2024
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 LAKE OSWEGO MUNICIPAL WATER A SW
SRC-AA LAKE OSWEGO MUNICIPAL WATER A Permanent SWP
EP-B EP for PORTLAND BUREAU OF WATER WORKS A SW
SRC-BA PORTLAND BUREAU OF WATER WORKS 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 Due 7/1/2026 Due 7/11/2026
2024 6/30/2025 9/30/2025
2023 7/1/2024 11/14/2024
2022 7/24/2023 9/28/2023
2021 6/28/2022 6/28/2022

Cross Connection/Backflow Prevention Information (Last 5 Years)
Enabling Authority Received Annual Summary Report Cross Connection Fee Status
Yes (pdf) 2025 - Due 3/31/2026
2024 - Received (pdf)
2023 - Received (pdf)
2022 - Received (pdf)
2021 - Received (pdf)
2026 - Paid
2025 - Paid
2024 - Paid
2023 - Paid
2022 - Paid