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Detention ponds provide general flood protection and can also control extreme floods. The ponds help manage the excess runoff generated by newly constructed impervious surfaces such as roads, parking lots and rooftops.

Below are general construction photos of detention pond site work by Daniel Dean.

Detention pond before   Detention pond after    
Before   After    
         
Detention pond before   Detention pond after    
Before   After    
         
Detention pond before: slopes lost top soil      
Before: Above you can see the slopes have lost top soil and are prone to errosion.   After: Imported top soil has been added to the slopes where grass will take root.  
         
Detention pond before: major washout   Detention pond during: pipe installed   Detention pond after
Before: Water flowed in from up top and created a major washout.   Corrective Action: A pipe was installed and buried to redirect water and ensure the integrity of the pond.
  After: Pipe installed and concrete poured.
         
Water shed from business   The water shed came from the parking lot and from the wash rack area and flowed in the pond at the corner where it washed out a huge area. Daniel Dean placed a berm at the edge of the slope and a slight swell in front of it to drain the water into the pond through our new back slope interceptor seen below.
         
Detention pond   Detention pond   At left are pictures of the installed back slope interceptor. Behind it Daniel Dean built a berm in such a way that if there was a big flood, water will flow into the pond (as you can barely see toward the concrete pilot channel in the bottom of the pond).

 

 
   
     
 

Daniel Dean digs new detention ponds and reconstructs / remindiates existing detention ponds.

 
     

     
 

Above is a riser pipe and rock filter dam for a detention pond in Harris county. The purpose of a detention pond is to regulate the amount of outfall water after a big rain to prevent flooding. The rock filter dam can be used to filter the water as a part of storm water quality plan.

 
     
   
 
 
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