Changes

Jump to navigation Jump to search
m
no edit summary
Line 53: Line 53:     
Performance of filter strips has also been evaluated based on the Roadside Vegetated Treatment Sites Study <ref name='Barrett2003'/> and the BMP Retrofit Pilot Study <ref>California Department of Transportation (Caltrans). 2004. BMP Retrofit Pilot Program, Final Report, CTSW-RT-01-050. Sacramento, CA.</ref>. These studies concluded that concentration reductions consistently occur for TSS and total [[heavy metals]] and frequently for dissolved metals. [[Water quality#Nutrients|Nutrients]] concentrations remained generally unchanged.  
 
Performance of filter strips has also been evaluated based on the Roadside Vegetated Treatment Sites Study <ref name='Barrett2003'/> and the BMP Retrofit Pilot Study <ref>California Department of Transportation (Caltrans). 2004. BMP Retrofit Pilot Program, Final Report, CTSW-RT-01-050. Sacramento, CA.</ref>. These studies concluded that concentration reductions consistently occur for TSS and total [[heavy metals]] and frequently for dissolved metals. [[Water quality#Nutrients|Nutrients]] concentrations remained generally unchanged.  
 +
 
'''NOTE''' When vegetation cover on the filter strip is below 80% water quality performance declines.
 
'''NOTE''' When vegetation cover on the filter strip is below 80% water quality performance declines.
----
   
[[Category:Water quality]]
 
[[Category:Water quality]]
8,255

edits

Navigation menu