Catchment area and land cover based on cumulative piped catchments draining to each site.


<p><sup>1</sup> Forest cover is based on topographic catchment.</p><p><sup>2</sup> Total impervious area (%) includes all impervious surfaces identified by air photos and site visits <a href="" target="_blank">[38]</a>.</p><p><sup>3</sup> Directly connected impervious area (DCIA) was calculated by subtracting the rooftop area draining to rain barrels installed in 2007 and 2008.</p><p><sup>4</sup> Stormwater management installations includes number of rain barrels and rain gardens installed in 2007 and overall (2007 & 2008), and the total density of barrels and gardens within each subcatchment.</p

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