OAR 837-110-0020: Firefighting Water Supplies

(1) When burning acreage, the following firefighting vehicles shall be provided: (a) Up to 50 acres — At least two water tank vehicles with a minimum of 1,000 gallon water capacity shall be on site; (b) 50 to 200 acres — At least three water tank vehicles with a minimum of 1,500 gallon water capacity shall be on site; (c) Over 200 acres — At least four water tank vehicles with a minimum of 3,000 gallon water capacity shall be on site. (2) Refill Requirements: During actual firefighting operations the water requirements described in this section shall be maintained at or above 25 percent of the specified amount. Within the buffer zone described in OAR 837-110-0080, this requirement shall be raised to at least 50 percent. NOTE: Vehicles with smaller capacity water tanks may be used to meet the total gallonage capacity required by subsections (1)(a) through (c) of this rule.