OHA Drinking Water Services
| OR41 00225 | CORVALLIS, CITY OF | Classification: COMMUNITY |
|---|---|---|
| Contact: | CHAD MARSHALL OR TOM HUBBARD | Phone: 541-754-1758 |
| PO BOX 1083 | County: BENTON | |
| CORVALLIS, OR 97339 | Activity Status: ACTIVE -- History | |
| Population: 56,000 | Number of Connections: 16,803 | |
| 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: 4 | Approved Drinking Water Protection Plan: No | |
| Treatment class: 4 | Source Water Assessment: Yes | |
| Filtration Endorsement Required: No | Last Survey Date: Sep 16, 2021 | |
| Sources | |||||
|---|---|---|---|---|---|
| Facility ID | Facility Name | Activity Status | Availability | Source Type | |
| EP-A | EP FOR TAYLOR WTP | A | SW | ||
| SRC-AA | WILLAMETTE RIVER | A | Permanent | SW | |
| EP-B | EP FOR ROCK CREEK WTP | A | SW | ||
| SRC-BA | NORTH FORK ROCK CREEK RES | A | Permanent | SW | |
| SRC-BB | SOUTH FORK ROCK CREEK | A | Permanent | SW | |
| SRC-BC | GRIFFITH CREEK | A | Permanent | SW | |
| SRC-BD | ROCK CREEK (EMERGENCY) | I | Emergency | SW | |
| Treatment | |||||
|---|---|---|---|---|---|
| Facility ID | Facility Name | Filter Type | Giardia Removal Credit |
Treatment Process | Treatment Objective |
| WTP-A | TP FOR TAYLOR WTP | Conventional Filtration | 2.5-log | FILTRATION, RAPID SAND | PARTICULATE REMOVAL |
| HYPOCHLORINATION, POST | DISINFECTION | ||||
| HYPOCHLORINATION, PRE | DISINFECTION | ||||
| PH/ALKA ADJ-SODA ASH | CORROSION CONTROL | ||||
| FLUORIDATION | OTHER | ||||
| COAGULATION | PARTICULATE REMOVAL | ||||
| FLOCCULATION | PARTICULATE REMOVAL | ||||
| PH ADJUSTMENT, PRE | PARTICULATE REMOVAL | ||||
| RAPID MIX | PARTICULATE REMOVAL | ||||
| SEDIMENTATION | PARTICULATE REMOVAL | ||||
| PERMANGANATE | TASTE / ODOR CONTROL | ||||
| WTP-B | TP FOR ROCK CREEK WTP | Conventional Filtration | 2.5-log | FILTRATION, RAPID SAND | PARTICULATE REMOVAL |
| HYPOCHLORINATION, POST | DISINFECTION | ||||
| HYPOCHLORINATION, PRE | DISINFECTION | ||||
| PH/ALKA ADJ-SODA ASH | CORROSION CONTROL | ||||
| FLUORIDATION | OTHER | ||||
| COAGULATION | PARTICULATE REMOVAL | ||||
| FLOCCULATION | PARTICULATE REMOVAL | ||||
| PH ADJUSTMENT, PRE | PARTICULATE REMOVAL | ||||
| RAPID MIX | PARTICULATE REMOVAL | ||||
| SEDIMENTATION | PARTICULATE REMOVAL | ||||
| PERMANGANATE | TASTE / ODOR CONTROL | ||||
| Consumer Confidence Reports (Last 5 Years) | |||
|---|---|---|---|
| For Year | Date Received | Date Certified | |
| 2022 | Due 7/1/2023 | 2021 | Mar 11, 2022 | Mar 11, 2022 | 2020 | Jun 09, 2021 | Jun 09, 2021 | 2019 | May 27, 2020 | May 27, 2020 | 2018 | May 30, 2019 | May 30, 2019 |
| Cross Connection/Backflow Prevention Information (Last 3 Records) | ||
|---|---|---|
| Enabling Authority Received | Annual Summary Report Received |
Fee Invoice Paid |
| Yes (PDF) | 2022 (PDF) | 2022 |
| 2021 (PDF) | 2021 | |
| 2020 (PDF) | 2020 | |