El Nino Stormwater Tested

02.17.2016 | Category, Case Study

Freeway 210 Azusa area
Caltrans Maintenance Storm Water Division
Bioswale trial project testing by
District 7 Erosion control / Slope inspection.


June 16, 2015


Oct 5, 2015


Jan 5, 2016


Glendora Ridge Road was shut down between Glendora Mountain and Mt.
Baldy roads as a precaution ahead of heavy rain. (KABC)


Jan 8, 2016

Kurapia remains intact after the storm. The mud soil and some debris are seen over the Kurapia ground cover.
Kurapia wasn't washed and is still under it.


Feb 16, 2016

Observing Kurapia's coming back up growing from soil.

Bioswales are landscape elements designed to remove silt and pollution from surface runoff water. They consist of a swaled drainage course with gently sloped sides (less than six percent) and filled with vegetation, compost and/or riprap.