RCW 57.20.170: Maintenance or general fund and special funds—Loans from maintenance or general funds to construction funds or other funds.

The board of commissioners of any district may, by resolution, authorize and direct a loan or loans from maintenance funds or general funds of the district to construction funds or other funds of the district, so long as that loan or loans do not, in the opinion of the board of commissioners, impair the ability of the district to operate and maintain its water supply, sewer, drainage, or street lighting systems.