Ill. Admin. Code tit. 35 § 604.410

Current through Register Vol. 49, No. 2, January 10, 2025

Section 604.410 - Spray Aeration

Spray aeration design must provide:

a) a hydraulic head of between 5 and 25 feet;

b) nozzles, with the size, number, and spacing of the nozzles being dependent on the flow rate, the space, and amount of head available;

c) nozzle diameters in the range of 1 to 1.5 inches to minimize clogging; and

d) an enclosed basin to contain the spray, with any openings protected by a 24-mesh screen.

Ill. Admin. Code tit. 35, § 604.410

Adopted in R18-17 at 43 Ill. Reg. 8064, effective 7/26/2019.