(a) The district may comprise any city within the boundaries of the County of Sacramento, the Cities of Davis, Roseville, West Sacramento, and Woodland, and the following described territory of the Counties of Sacramento and Yolo, to the extent the territory is not included in the above-mentioned cities:

1. (1) That portion of the territory within the boundaries of the County of Sacramento that is within the urban service area of the County of Sacramento, as adopted and as hereafter amended, and any other portion of the unincorporated territory within the boundaries of the County of Sacramento where the county has declared a need for the district to operate.

2. (2) The unincorporated territory of the County of Yolo that may be included is described as follows:

   1. (A) Beginning at the northeast corner of Sec. 36, T. 9 N., R. 3 E., M.D.B. & M.; thence north 1/2 mile along the west line of Sec. 30, T. 9 N., R. 4 E., to the west 1/4 corner of Sec. 30; thence east1/2 mile to the center of Sec. 30; thence north 1/8 mile, more or less, to the north line of Swamp Land Survey No. 970, the point being on the centerline of Tule Lake Road; thence northeasterly along the north line of Swamp Land Survey No. 970 to the centerline of the Sacramento River; thence easterly and southerly down and along the Sacramento River to the south line of Swamp Land Survey No. 815; thence northwesterly along the south line of Swamp Land Survey No. 815 to its southwest corner; thence northeasterly along the west line of Swamp Land Survey No. 815 to a point where it is intersected by the quarter section line running east and west through Sec. 30, T. 8 N., R. 4 E.; thence west 3/4 mile, more or less, to the east 1/4 corner of Sec. 25, T. 8 N., R. 3 E.; thence north 51/2 miles, more or less, to the point of beginning.
   2. (B) Beginning at the intersection of State Highway Route 113 and the Yolo County line southern boundary; thence easterly along the Yolo County line southern boundary to the Davis City Limits; thence meandering along the Davis City Limits to Russell Boulevard; thence westerly along Russell Boulevard to Route 113; thence southerly along Route 113 to the point of beginning.