Treated stormwater passes through the underdrain pipe, through an underdrain pipe opening in the sidewall or bottom to a storm drain or {TAIL ~ sewer system} or {HEAD ~ other type} of discharge system or method 
Treated stormwater passes through the underdrain pipe , through an underdrain pipe opening in the sidewall or bottom to a storm drain or { TAIL ~ sewer system } or { HEAD ~ other type } of discharge system or method
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH