A 100 acre plot of land has a concentration time of 80

Last updated: 7/13/2022

A 100 acre plot of land has a concentration time of 80 minutes. The area is residential single family homes with a C-0.40. What is the percent increase in stormwater runoff from a 50 year recurrence event versus a 25 year event? Use the Rational Equation to solve this problem. Select the best answer as reading Figure 4.2 may give you a slightly different answer than the correct answer provided below. 25.3% 14.3% 32.0% 82 %