Brown and Caldwell, Jeff Herr, P.E., D.WRE, Lisa Jeffrey, P.E., C.F.M
Brown and Caldwell, Jeff Herr, P.E., D.WRE, Lisa Jeffrey, P.E., C.F.M
Brown and Caldwell, Jeff Herr, P.E., D.WRE, Lisa Jeffrey, P.E., C.F.M
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Directly Connected Impervious Area<br />
is the major source of stormwater runoff.<br />
No opportunity for infiltration.<br />
1-inch rainfall = 0.9 inch runoff
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