Nebraska Administrative Code
Topic - HEALTH AND HUMAN SERVICES SYSTEM
Title 179 - PUBLIC WATER SYSTEMS
Chapter 18 - FILTER BACKWASH RECYCLING
Section 179-18-005 - RECORDKEEPING
Current through September 17, 2024
The system must collect and retain on file recycle flow information specified in 179 NAC 18-005 items 1 through 6 for review and evaluation by the Director beginning June 8, 2004.
1. Copy of the recycle notification and information submitted to the Department under 179 NAC 18-003.
2. List of all recycle flows and the frequency with which they are returned.
3. Average and maximum backwash flow rate through the filters and the average and maximum duration of the filter backwash process in minutes.
4. Typical filter run length and a written summary of how filter run length is determined.
5. The type of treatment provided for the recycle flow.
6. Data on the physical dimensions of the equalization and/or treatment units, typical and maximum hydraulic loading rates, type of treatment chemicals used and average dose and frequency of use, and frequency at which solids are removed, if applicable.
