Section 604.400  General Requirements for Aeration

a)         All aerators, except those discharging to lime softening or clarification plants, must be protected from contamination by birds, insects, wind borne debris, rainfall and water draining off the exterior of the aerator.  Screens must be 24 mesh.

b)         A bypass must be provided when a single aeration unit is installed. 

c)         The stability of the water after aeration must be evaluated to determine the need for additional treatment under Subpart I.