Levies are for continuous benefits.

RCW 85.32.210, under Chapter 85.32 Drainage district revenue act of 1961..

RCW 85.32.210

The dollar rate levy returns collected from time to time under this chapter are solely assessments for benefits received continuously by the benefited properties, calculated in the manner specified in this chapter as a just and equitable way for all benefited property to share the expense of such required service.[ 1973 1st ex.s. c 195 s 127; 1961 c 131 s 22.]Notes:Severability—Effective dates and termination dates—Construction—1973 1st ex.s. c 195: See notes following RCW 84.52.043.