ORS 255.012: “District” defined.

As used in this chapter, “district” means:

      (1) A domestic water supply district organized under ORS chapter 264.

      (2) A cemetery maintenance district organized under ORS chapter 265.

      (3) A park and recreation district organized under ORS chapter 266.

      (4) A mass transit district organized under ORS 267.010 to 267.394.

      (5) A transportation district organized under ORS 267.510 to 267.650.

      (6) A metropolitan service district organized under ORS chapter 268.

      (7) A translator district organized under ORS 354.605 to 354.715.

      (8) A library district organized under ORS 357.216 to 357.286.

      (9) A county road district organized under ORS 371.055 to 371.110.

      (10) A special road district organized under ORS 371.305 to 371.360.

      (11) A road assessment district organized under ORS 371.405 to 371.535.

      (12) A highway lighting district organized under ORS chapter 372.

      (13) A health district organized under ORS 440.305 to 440.410.

      (14) A sanitary district organized under ORS 450.005 to 450.245.

      (15) A sanitary authority, water authority or joint water and sanitary authority organized under ORS 450.600 to 450.989.

      (16) A county service district organized under ORS chapter 451.

      (17) A rural fire protection district organized under ORS chapter 478.

      (18) An airport district organized under ORS chapter 838.

      (19) A geothermal heating district organized under ORS chapter 523.

      (20) A water improvement district organized under ORS chapter 552.

      (21) A water control district organized under ORS chapter 553.

      (22) A weather modification district organized under ORS 558.200 to 558.440.

      (23) A livestock district organized under ORS 607.005 to 607.051.

      (24) A port organized under ORS 777.005 to 777.725 and 777.915 to 777.953.

      (25) The Port of Portland established by ORS 778.010.

      (26) A school district.

      (27) Territory, other than territory within a city, proposed to be created, formed or incorporated into a district or to be annexed or otherwise added to a district.

      (28) A soil and water conservation district organized under ORS 568.210 to 568.808 and 568.900 to 568.933.

      (29) A heritage district organized under ORS 358.442 to 358.474.

      (30) A radio and data district organized under ORS 403.500 to 403.542.

      (31) A sand control district organized under ORS 555.500 to 555.535.

      (32) A community college district formed under ORS chapter 341.

      (33) A 9-1-1 communications district organized under ORS 403.300 to 403.380.

      (34) An urban flood safety and water quality district created under ORS 550.150 to 550.410.