Area / Capacity West Thompson Dam Drainage Area = 172 sq. mi.
Stage (ft)	Area (acres)	Capacity (ac-ft)	Capacity (in)	Full (Percent)
2	35	0	0.00	0.0
4	53	0	0.00	0.0
6	73	0	0.00	0.0
8	94	0	0.00	0.0
10	134	0	0.00	0.0
12	177	0	0.00	0.0
13	200	0	0.00	0.0
14	215	240	0.06	0.9
15	230	480	0.12	2.0
16	250	720	0.18	3.0
17	270	960	0.24	4.0
18	290	1,240	0.31	5.0
19	310	1,600	0.41	6.0
20	330	1,950	0.49	8.0
21	350	2,300	0.58	9.0
22	390	2,665	0.68	10.0
23	430	3,030	0.77	12.0
24	460	3,500	0.89	14.0
25	490	4,000	1.00	16.0
26	520	4,500	1.14	18.0
27	550	5,000	1.27	20.0
28	580	5,560	1.41	22.0
29	600	6,200	1.57	24.0
30	625	6,850	1.74	27.0
31	650	7,500	1.90	29.0
32	675	8,150	2.06	32.0
33	710	8,800	2.23	34.0
34	730	9,500	2.41	37.0
35	750	10,200	2.58	40.0
36	780	11,000	2.79	43.0
37	810	11,800	2.99	46.0
38	830	12,700	3.22	50.0
39	860	13,600	3.45	53.0
40	890	14,400	3.65	56.0
41	920	15,350	3.89	60.0
42	960	16,300	4.13	64.0
43	1000	17,250	4.37	67.0
44	1030	18,300	4.64	71.0
45	1060	19,400	4.92	76.0
46	1090	20,500	5.19	80.0
47	1120	21,550	5.46	84.0
48	1150	22,600	5.73	88.0
49	1180	23,860	6.05	93.0
50	1210	25,120	6.36	98.0
50.5	1250	25,600	6.49	100.0
52	1400	28,000	7.11	109.0
55	1700	31,600	8.00	123.0
Invert Elevation = 292 ft. NGVD
Spillway Crest = 50.5 ft			Top of Dam = 69.5 ft