Capacities

Flume Size	Maximum Flow Depth	Flow Rate
Inches	Feet	G.P.M.	M.G.D.	Sec.-Ft.
4	0.25	48	0.07	1.158
6	0.39	165	0.23	3.676
8	0.52	337	0.48	7.508
10	0.65	589	0.84	1.314
12	0.78	923	1.32	2.056
15	0.98	1645	2.37	30665
18	1.17	2574	3.70	5.735
21	1.37	3799	5.47	8.466
24	1.55	5215	7.5	11.61
27	1.76	7110	10.24	15.84
30	1.95	9028	13.26	20.51
36	2.35	17045	24.54	37.98
48	3.4	23264	33.5	51.83