- (a) Means for measuring, recording, and totaling both raw influent flow prior to sidestreams and effluent wastewater flow after WWTP water withdrawal shall be provided.
- (b) Provisions for measuring, recording, and totaling the flow of return activated sludge, primary sludge, waste secondary sludge, and other major sludge streams shall be provided.
(c) All flow measurement equipment shall be:
- (1) Sized to perform effectively over the full range of expected flows; and
- (2) Protected against freezing.
- (d) Installation of flow measuring equipment shall be such that the required hydraulic conditions necessary for accurate measurement are provided.
Source. (See Revision Note at chapter heading for Env-Wq 700) #8590, eff 3-25-06; ss by #10693, eff 10-15-14; ss by #14258, eff 7-1-25, EXPIRES: 7-1-35