APPENDIX C: RECOMMENDED RUNOFF COEFFICIENTS
Table 3
Recommended Runoff Coefficients
General Slope
Less Than 2%
More Than 7%
Table 3
Recommended Runoff Coefficients
General Slope
Less Than 2%
More Than 7%
Unimproved areas
0.20
0.30
Railroad yard areas
0.20
0.40
Parks and cemeteries
0.10
0.25
Playgrounds
0.20
0.35
RESIDENTIAL
   Suburban
0.35
0.40
   Single- family
0.40
0.40
   Multi units
0.50
0.70
   Apartments
0.80
0.95
COMMERCIAL
0.80
0.95
INDUSTRIAL
   Light
0.50
0.80
   Heavy
0.60
0.90
 
(Ord. 20-89, passed 6-28-89)