OHA Drinking Water Services
| OR41 00706 | RIDDLE, CITY OF | Classification: COMMUNITY |
|---|---|---|
| Contact: | ROBERT TILTON | Phone: 541-874-2905 |
| PO BOX 143 | County: DOUGLAS | |
| RIDDLE, OR 97469 | Activity Status: ACTIVE -- History | |
| Population: 1,300 | Number of Connections: 545 | |
| 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: 1 | Approved Drinking Water Protection Plan: No | |
| Treatment class: 2 | Source Water Assessment: Yes | |
| Filtration Endorsement Required: Yes | Last Survey Date: Dec 08, 2021 | |
| Sources | |||||
|---|---|---|---|---|---|
| Facility ID | Facility Name | Activity Status | Availability | Source Type | |
| EP-A | EP FOR COW CREEK | A | SW | ||
| SRC-AA | COW CREEK | A | Permanent | SW | |
| Treatment | |||||
|---|---|---|---|---|---|
| Facility ID | Facility Name | Filter Type | Giardia Removal Credit |
Treatment Process | Treatment Objective |
| WTP-A | TP FOR COW CREEK | Conventional Filtration | 2.5-log | FILTRATION, RAPID SAND | PARTICULATE REMOVAL |
| HYPOCHLORINATION, POST | DISINFECTION | ||||
| HYPOCHLORINATION, PRE | DISINFECTION | ||||
| COAGULATION | PARTICULATE REMOVAL | ||||
| FLOCCULATION | PARTICULATE REMOVAL | ||||
| RAPID MIX | PARTICULATE REMOVAL | ||||
| SEDIMENTATION | PARTICULATE REMOVAL | ||||
| Consumer Confidence Reports (Last 5 Years) | |||
|---|---|---|---|
| For Year | Date Received | Date Certified | |
| 2022 | 7/21/2023 | 4/25/2023 | |
| 2021 | 6/21/2022 | 6/21/2022 | |
| 2020 | Not received | 11/15/2021 | |
| 2019 | 6/16/2020 | 6/16/2020 | |
| 2018 | 5/8/2019 | 5/28/2019 |
| 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 | |