OHA Drinking Water Services
| OR41 00869 | THE DALLES, CITY OF | Classification: COMMUNITY |
|---|---|---|
| Contact: | LARRY MCCOLLUM | Phone: 541-298-2248 ext. 5000 |
| 6780 RESERVOIR RD | County: WASCO | |
| THE DALLES, OR 97058 | Activity Status: ACTIVE -- History | |
| Population: 12,494 | Number of Connections: 5,010 | |
| 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: 2 | Approved Drinking Water Protection Plan: No | |
| Treatment class: 4 | Source Water Assessment: Yes | |
| Filtration Endorsement Required: No | Last Survey Date: Jul 17, 2018 - Outstanding Performer! | |
| Sources | |||||
|---|---|---|---|---|---|
| Facility ID | Facility Name - Well Logs | Activity Status | Availability | Source Type | |
| EP-A | EP FOR SOUTH FORK MILL CREEK | A | SW | ||
| SRC-AA | SOUTH FORK MILL CREEK | A | Permanent | SW | |
| EP-B | EP FOR LONE PINE WELL | A | GW | ||
| SRC-BA | WELL #1 - LONE PINE - L110535 | A | Seasonal | GW | |
| EP-C | EP FOR JORDAN ST WELL | A | GW | ||
| SRC-CA | WELL #2 - JORDAN ST - WASC2428 | A | Seasonal | GW | |
| EP-D | EP FOR MARKS WELL | A | GW | ||
| SRC-DA | WELL #3 - MARKS - WASC2431 | A | Seasonal | GW | |
| Treatment | |||||
|---|---|---|---|---|---|
| Facility ID | Facility Name | Filter Type | Giardia Removal Credit |
Treatment Process | Treatment Objective |
| WTP-A | TP FOR SOUTH FORK MILL CREEK | Conventional Filtration | 2.5-log | FILTRATION, RAPID SAND | PARTICULATE REMOVAL |
| HYPOCHLORINATION, POST | DISINFECTION | ||||
| INHIBITOR, POLYPHOSPHATE | CORROSION CONTROL | ||||
| PH ADJ-CAUSTIC SODA | CORROSION CONTROL | ||||
| FLUORIDATION | OTHER | ||||
| COAGULATION | PARTICULATE REMOVAL | ||||
| FLOCCULATION | PARTICULATE REMOVAL | ||||
| RAPID MIX | PARTICULATE REMOVAL | ||||
| SEDIMENTATION | PARTICULATE REMOVAL | ||||
| ACTIVATED CARBON, POWDERED | TASTE / ODOR CONTROL | ||||
| WTP-B | TP FOR LONE PINE WELL | RESID. MAINT. HYPOCHLORINATION | OTHER | ||
| INHIBITOR, POLYPHOSPHATE | CORROSION CONTROL | ||||
| FLUORIDATION | OTHER | ||||
| WTP-C | TP FOR JORDAN ST WELL | RESID. MAINT. HYPOCHLORINATION | OTHER | ||
| INHIBITOR, POLYPHOSPHATE | CORROSION CONTROL | ||||
| WTP-D | TP FOR MARKS WELL | RESID. MAINT. HYPOCHLORINATION | OTHER | ||
| INHIBITOR, POLYPHOSPHATE | CORROSION CONTROL | ||||
| Consumer Confidence Reports (Last 5 Years) | |||
|---|---|---|---|
| For Year | Date Received | Date Certified | |
| 2022 | Due 7/1/2023 | 2021 | Jul 05, 2022 | Jul 05, 2022 | 2020 | Jun 08, 2021 | Jun 08, 2021 | 2019 | Oct 02, 2020 | Oct 02, 2020 | 2018 | Jun 26, 2019 | Jun 26, 2019 |
| Cross Connection/Backflow Prevention Information (Last 3 Records) | ||
|---|---|---|
| Enabling Authority Received | Annual Summary Report Received |
Fee Invoice Paid |
| Yes (PDF) | 2022 (PDF) | 2023 |
| 2021 (PDF) | 2022 | |
| 2020 (PDF) | 2021 | |