Pond design sizing criteria Pond design sizing criteria

Pond design sizing criteria
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Event	Pre-development	Post-development	Unit
Vpp	2.1	ac-ft	Permanent pool volume (0.5" X 50 acres)
Vwq	0.8	ac-ft	Water quality volume (0.5" X 50 acres)
Vts	2.9	ac-ft	Total storage volume (Vpp + Vwq
Vcp	3.9	ac-ft	Channel protection volume (includes water quality volume)
V10	8.9	ac-ft	Over bank flood protection volume
V100	14.7	ac-ft	Extreme flood volume