Hydrologic modeling - Old Woman Creek above Norfolk Western RR - Erie County
10,612.6 acres in watershed
1,017 acres changed from Agricultural, Rangeland, or Forest to Urban or Buil-up land from 1994 to 2005 equaling a 9.6% growth
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Landuse Breakdown
791.4	acres of Aggricultural developed	x (0.30 Aggricultural Coefficient minus 0.70 urban or built-up land use coefficient)	316.56	additional c.f.s.runoff for a 25 year storm [Q=ACi]
0.21	acres of Rangeland developed	x (0.25Rangeland Coefficient minus 0.70 urban or built-up land use coefficient)	0.0945	additional c.f.s.runoff for a 25 year storm [Q=ACi]
211	acres of Forest developed	x (0.15Forest Coefficient minus 0.70 urban or built-up land use coefficient)	0.1155	additional c.f.s.runoff for a 25 year storm [Q=ACi]
3.56	acres of Water developed	x (0.00 Water Coefficient minus 0.70 urban or built-up land use coefficient)	2.492	additional c.f.s.runoff for a 25 year storm [Q=ACi]
11	acres of Wetland developed	x (0.05 Wetland Coefficient minus 0.70 urban or built-up land use coefficient)	7.15	additional c.f.s.runoff for a 25 year storm [Q=ACi]
		Creating a total of	326.412	additional c.f.s. runoff in this watershed