Replace the text in the second paragraph titled "Volume Captured via Collection Facilities" with the following:For less complex sites without detention facilities, teams can perform awater balance to determine if a proposed reduction in impervious areaand/or rain capture systems will result in the required reduction in siterunoff. However, in order to determine the discharge rate and quantityfrom a site with a wet or dry detention facility, project teams should makea detailed analysis of the stage-storage relationship of the detentionfacility, coupled with an analysis of any control structures used toregulate discharge. Drawdown rates due to infiltration and thereforegeotechnical conditions will also need to be considered. While it ispossible to perform these types of calculations by hand, a computersimulation model is more typically used and recommended.