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STATE ROUTE 73 PILOT STUDIES BMP Type and Status by Basin |
PRINT | CLOSE |
| Detention Basins with Bypass Operation | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 883L | Energy Dissipator | Perforated Riser | Bypass | 75% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| 893L | Energy Dissipator | Perforated Riser | Bypass | 50% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| 922R East | Energy Dissipator | Perforated Riser | Bypass | 25% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| 930L | Energy Dissipator | Perforated Riser | Bypass | 100% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| Detention Basins with Overflow Operation | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 922R West | Energy Dissipator/ Concreted RSP | Perforated Riser | Overflow | 50% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| 1032R | Concreted RSP | Perforated Riser | Overflow | 25% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| 1137L | Concreted RSP | Perforated Riser | Overflow | 75% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| 1143L | Concreted RSP | Perforated Riser | Overflow | 100% | WQ, O&M | WQ: Nov-03 - May -06 O&M: Nov-03 - May 06 |
Constructed |
| Detentions Basin with Outlet Skimmers | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 780R | Energy Dissipator/ Concreted RSP | Skimmer | Overflow | 50% | WQ, O&M | *WQ: Oct-05 - May -08 | Design |
| O&M: Feb-05 - May 08 | |||||||
| 808R | Energy Dissipator/ Concreted RSP | Skimmer | Overflow | 25% | WQ, O&M | *WQ: Oct-04 - May -07 O&M: Nov-03 - May 07 |
Constructed |
| 859L | Energy Dissipator | Skimmer | Overflow | 100% | WQ, O&M | *WQ: Oct-04 - May -07 O&M: Nov-03 - May 07 |
Constructed |
| 878R | Energy Dissipator/ Concreted RSP | Skimmer | Overflow | 75% | WQ, O&M | *WQ: Oct-04 - May -07 O&M: Nov-03 - May 07 |
Constructed |
| Detention Basins with Hold & Release Outlets | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 457L | Energy Dissipator | Hold and Release | Overflow | 50% | WQ, O&M | *WQ: Oct-04 - May -07 O&M: Nov-03 - May 07 |
Constructed |
| 535L | Concreted RSP | Hold and Release | Overflow | 100% | WQ, O&M | *WQ: Oct-04 - May -07 O&M: Nov-03 - May 07 |
Constructed |
| 613L | Energy Dissipator/ Concreted RSP | Hold and Release | Overflow | 75% | WQ, O&M | *WQ: Oct-04 - May -07 O&M: Nov-03 - May 07 |
Constructed |
| 654R | Concreted RSP | Hold and Release | Overflow | 25% | WQ, O&M | *WQ: Oct-04 - May -07 O&M: Nov-03 - May 07 |
Constructed |
| Detention Basins with Alternative Inlet Devices | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 1076R | GSRD | Perforated Riser | --- | NA1 | GS | GS: Nov-03 - May-06 | Constructed |
| 1081L | GSRD | Perforated Riser | --- | NA1 | GS | GS: Nov-03 - May-06 | Constructed |
| Gross Solids Removal Devices with Sediment Traps | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 630L | GSRD | --- | --- | NA1 | GS | GS: Nov-04 - May-07 | Design |
| 1085L | GSRD | --- | --- | NA1 | GS | GS: Oct-03 - May-06 | Constructed |
| 1180R | GSRD | Perforated Riser | Overflow | NA1 | GS | GS: Oct-03 - May-06 | Constructed |
| Bioretention Basin | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 1149L | GSRD | Underdrain | Overflow | 100% | WQ, O&M, GS | WQ: Oct-05 - May -08 O&M: Oct-05 - May 08 GS: Oct-05 - May-08 |
Design |
| Austin-type Sand Filters | |||||||
| Basin | Inlet Type | Outlet Type | Bypass/Overflow Type | % WQV Treated | Monitoring Type2 | Monitoring Period (minimum) | BMP Status |
| 506R (Partial Sedimentation) |
Energy Dissipator/ Concreted RSP | Underdrain | Overflow | 100% | WQ, O&M | WQ: Oct-05 - May -08 O&M: Oct-05 - May 08 |
Design |
| 1183L (Partial Sedimentation) |
Energy Dissipator/ Concreted RSP | Underdrain | Overflow | 100% | WQ, O&M | WQ: Oct-05 - May -08 O&M: Oct-05 - May 08 |
Design |
| 1194R (Full Sedimentation) |
Energy Dissipator/ Concreted RSP | Underdrain | Overflow | 100% | WQ, O&M | WQ: Oct-05 - May -08 O&M: Oct-05 - May 08 |
Design |
1 Sized for estimated annual volume of gross solids
2 WQ = Water Quality Monitoring, O&M = Operation and Maintenance Evaluation, GS = Gross Solids Monitoring
* Operational monitoring will be performed during the first year of operation. Based on operational performance, Caltrans will decide if water quality monitoring is justified during the subsequent monitoring seasons