OHA Drinking Water Services
OR41 95757 COLUMBIA BASIN ONION Classification: NON-TRANSIENT NON-COMMUNITY
WATER ADVISORY for VULNERABLE POPULATIONS:  DO NOT DRINK WATER - Nitrate - See details
Contact: KEN MATHIS Phone: 541-701-9971 View on Map
PO BOX 1191 County: UMATILLA
HERMISTON, OR 97838 Activity Status: Active Mar 11, 2025 -- History
Population: 97 Number of Connections: 2
Operating Period: January 1 to December 31 Regulating Agency: REGION 1
Certified Operator(s) Owner Type: PRIVATE
Required: Y Licensed By: N/A
Distribution class: S Last Survey Date:  Jun 19, 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 A GW
SRC-AA WELL (UNAPPROVED) A Permanent GW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit		 Treatment Process Treatment Objective

Consumer Confidence Reports (Last 5 Years)
Only community water systems require consumer confidence reports.

Cross Connection/Backflow Prevention Information (Last 5 Years)
Only community water systems require annual summary reports
and annual cross connection program implementation fees.