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<br />Table 1. Summary of Discharges <br /> <br /> Drainage Area Peak Discharges (cfs) <br />Flooding Source and Location (Square Miles) 10-Year 50-Year 100-Year 500-Year <br />poncha Creek <br />At Confluence with South Arkansas River 56 590 730 870 1,090 <br />South Arkansas River <br />At poncha Springs 140 1,020 1,240 1,490 1,850 <br /> <br />ro <br />