OHA Drinking Water Services
OR41 00624 PHILOMATH PUBLIC WORKS Classification: COMMUNITY
Contact: KEVIN FEAR Phone: 541-929-3579 View on Map
PO BOX 400 County: BENTON
PHILOMATH, OR 97370 Activity Status: Active -- History
Population: 4,670 Number of Connections: 1,858
Operating Period: January 1 to December 31 Regulating Agency: REGION 2
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 2 Last Survey Date:  Aug 04, 2021 - Outstanding Performer!
Treatment class: 3
Filtration Endorsement Required: No Source Water Protection Status

Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR MARY'S RIVER A SW
SRC-AA MARY'S RIVER A Permanent SW
EP-B EP FOR 11TH STREET WELL A GW
SRC-BA 11TH STREET WELL - BENT5718 A Seasonal GW
EP-C EP FOR CORVALLIS (ROCK CREEK) A SW
SRC-CA CORVALLIS (ROCK CREEK) A Seasonal SWP
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A TP FOR MARY'S RIVER Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
GASEOUS CHLORINATION, POST DISINFECTION
PH/ALKA ADJ-SODA ASH CORROSION CONTROL
FLUORIDATION OTHER
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
PH ADJUSTMENT, PRE PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL
WTP-B TP FOR 11TH STREET WELL RESID. MAINT. GAS CHLORINATION OTHER
SEQUESTRATION MANGANESE REMOVAL
WTP-C TP FOR CORVALLIS (ROCK CREEK) HYPOCHLORINATION, POST DISINFECTION
TREATMENT APPLIED BY SELLER OTHER

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2025 Due 7/1/2026 Due 7/11/2026
2024 3/11/2025 3/11/2025
2023 4/4/2024 4/4/2024
2022 3/23/2023 3/23/2023
2021 2/17/2022 2/17/2022

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