Section 58.01.08.519 - SURFACE WATER TREATMENT; MICROSCREENINGA microscreen may be used to reduce nuisance organisms and organic loadings. It may not be used in place of filtration or coagulation in the preparation of water for filtration.
01.Design Considerations. The following must be taken into account during design: a. Nature of the suspended matter to be removed.b. Corrosiveness of the water.c. Effect of chlorination, when required as pre-treatment.d. Duplication of units for continuous operation during equipment maintenance.e. Automated backflushing operation when used in conjunction with microfiltration treatment.02.Design Requirements. Design must provide the following: a. A durable, corrosion-resistant screen.b. A by-pass arrangement.c. Protection against back-siphonage when potable water is used for washing.d. Proper disposal of water used to wash the microscreen.Idaho Admin. Code r. 58.01.08.519