Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA
Subpart F - FILTRATION
Section 604.615 - Deep Bed Rapid Rate Gravity Filters
Universal Citation: 35 IL Admin Code ยง 604.615
Current through Register Vol. 48, No. 38, September 20, 2024
Deep bed rapid rate gravity filters refers to rapid rate gravity filters with filter material depths equal to or greater than 48 inches. Filter media sizes are typically larger than those listed in Section 604.605(f)(4).
a) Before a community water supply may use deep bed rapid rate filters, a pilot study must be completed and approved by the Agency.
b) The final filter design must be based on the pilot plant studies and must comply with all applicable portions of Section 604.605.
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