Texas has water retention>>>>

I believe detention systems are designed to control excessive rain water runoff so it can be released over a longer period of time to avoid flooding.
 
The way they were explained to me by an engineer that does commercial and residential development is: If you put buildings on and pave 5 acres of open ground that once absorbed a good portion of a 1" rain and now almost 100% of that 1" rain now runs off immediately. So to control flooding that runoff is contained by the storm sewer system and released over a longer period of time. It still ends up in the storm drain system just not all at once. I don't know about filtration or reduction of solids. This may differ geographically.
 
IndyExterior said:
The way they were explained to me by an engineer that does commercial and residential development is: If you put buildings on and pave 5 acres of open ground that once absorbed a good portion of a 1" rain and now almost 100% of that 1" rain now runs off immediately. So to control flooding that runoff is contained by the storm sewer system and released over a longer period of time. It still ends up in the storm drain system just not all at once. I don't know about filtration or reduction of solids. This may differ geographically.
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All depends on the type , if a property owner is having one maintained they are not going to buy reclaim from us. Some of my customers pay 1000 for maintenance. The sludged and debris they catch will curl your toes. They have found dead animals and all sorts of junk.
 
Ohio pressure wash said:
If a customer has a containment and OWS system then just bid it without running the vac.
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Doesn't work that way in houston , they don't care. Any water filtered or not on the property and your getting a fine and possible criminal charges.
 
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