OHA Drinking Water Services
OR41 00807 SENECA, CITY OF Classification: COMMUNITY
Contact: DEBORAH OATMAN Phone: 541-542-2161 View on Map
PO BOX 208 County: GRANT
SENECA, OR 97873 Activity Status: Active -- History
Population: 200 Number of Connections: 112
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: S Last Survey Date:  Jul 22, 2025
Treatment class: None
Filtration Endorsement Required: No Source Water Protection Status

Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR WELL 1 A GW
SRC-AA WELL 1 SHIRTTAIL - GRAN783 A Permanent GW
EP-B EP FOR WELL 2 I GW
SRC-BA WELL 2 GOLF IRR - GRAN785 I Emergency GW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A TP FOR WELL 1 AERATION, SPRAY TASTE / ODOR CONTROL

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2025 Due 7/1/2026 Due 7/11/2026
2024 4/28/2025 4/28/2025
2023 Not received 4/23/2024
2022 Not received 10/26/2023
2021 5/5/2022 5/5/2022

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