Table 4.

Control unit specific information.

ID	Control Unit Name	River	Administrative District	Area (km2)
1	1-Gucheng River-Zhangshanying	Gucheng River	Zhangshanying	54.74
2	2-Guishui River-Zhangshanying	Guishui River	Zhangshanying	3.97
3	3-Sanli River-Zhangshanying	Sanli River	Zhangshanying	5.97
4	4-Xibazi River-Kangzhuang	Xibazi River	Kangzhuang	2.7
5	5-Xiaozhangjiakou River-Badaling	Xiaozhangjiakou River	Badaling	6.4
6	6-Xibazi River-Badaling	Xibazi River	Badaling	26.37
7	7-Guishui River-Jingzhuang	Guishui River	Jingzhuang	9.32
8	8-Guishui River-Jingzhuang	Guishui River	Jingzhuang	11.72
9	9-Baolinsi River-Jingzhuang	Baolinsi River	Jingzhuang	4.86
10	10-Xierdao River-Jingzhuang	Xierdao River	Jingzhuang	28.85
11	11-Xiaozhangjiakou River-Jingzhuang	Xiaozhangjiakou River	Jingzhuang	28.72
12	12-Wulipo River-Jiuxian	Wulipo River	Jiuxian	8.55
13	13-Xilongwan River right branch-Jiuxian	Xilongwan River right branch	Jiuxian	18.49
14	14-Xilongwan River-Jiuxian	Xilongwan River	Jiuxian	23
15	15-Guishui River-Jiuxian	Guishui River	Jiuxian	5.2
16	16-Gucheng River-Jiuxian	Gucheng River	Jiuxian	36.1
17	17-Xilongwan River-Jiuxian	Xilongwan River	Jiuxian	19.67
18	18-Guishui River-Dayushu	Guishui River	Dayushu	9.93
19	19-Guishui River-Dayushu	Guishui River	Dayushu	4.99
20	20-Xibazi River-Dayushu	Xibazi River	Dayushu	14.99
21	21-Xiaozhangjiakou River-Dayushu	Xiaozhangjiakou River	Dayushu	14.3
22	22-Guishui River-Yanqing	Guishui River	Yanqing	9.17
23	23-Sanli River-Yanqing	Sanli River	Yanqing	14.72
24	24-Guishui River-Yanqing	Guishui River	Yanqing	10.97
25	25-Guishui River-Yanqing	Guishui River	Yanqing	4.84
26	26-Guishui River-Yanqing	Guishui River	Yanqing	4.44
27	27-Xiaozhangjiakou River-Yanqing	Xiaozhangjiakou River	Yanqing	3.28
28	28-Gucheng River-Shenjiaying	Gucheng River	Shenjiaying	5.83
29	29-Guishui River-Shenjiaying	Guishui River	Shenjiaying	23.74
30	30-Guishui River-Xiangying	Guishui River	Xiangying	36.16
31	31-Guishui River-Liubinpu	Guishui River	Liubinpu	65.34
32	32-Zhoujiafen River-Yongning	Zhoujiafen River	Yongning	18.82
33	33-Sanlidun River-Yongning	Sanlidun River	Yongning	17.05
34	34-Sanlidun River-Yongning	Sanlidun River	Yongning	23.15
35	35-Guishui River-Yongning	Guishui River	Yongning	10.26
36	36-Konghuaying River-Yongning	Konghuaying River	Yongning	43.76
37	37-Guishui River-Sihai	Guishui River	Sihai	3.41
38	38-Gucheng River-Zhangshanying	Gucheng River	Zhangshanying	3.11
39	39-Wulipu River-Zhangshanying	Wulipu River	Zhangshanying	34.14
40	40-Xibazi River-Badaling	Xibazi River	Badaling	7.26
41	41-Guishui River-Yongning	Guishui River	Yongning	24.09
42	42-Guishui River-Yongning	Guishui River	Yongning	6.55
43	43-Xierdao River-Dayushu	Xierdao River	Dayushu	4.39
44	44-Guishui River-Dayushu	Guishui River	Dayushu	11.29