Table 1

Effect of Headwater Storage on Runoff Peaks at the South Tobacco Creek near Miami (050F017) Hydrometric Station

Summer (Rainfall) Events __________________ Spring (Snowmelt) Events______________________

Instantaneous Peak Flow (m3/sec) ________________Instantaneous Peak Flow (m3/sec)

	m3/sec	m3/sec		m3/sec	m3/sec
Runoff Event	Natural (No dams)	Existing Regulated Condition (26 Headwater Storage Dams)	Reduction of Peak Flows (%)	Natural (No dams)	Existing Regulated Condition (26 Headwater Storage Dams)	Reduction of Peak Flows (%)
1:2	8.0	7.0	13	4.9	4.1	16
1:5	17	14	18	11	9	18
1:10	26	21	19	16	13	19
1:20	36	28	22	22	18	18
1:50	51	38	25	30	25	17
1:100	64	48	25	37	33	11
1;200	79	61	23	44	40	9
1:500	100	78	22	55	50	9