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.

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June 16, 2015

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Oct 5, 2015

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Jan 5, 2016

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

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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.

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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.