Minnesota Administrative Rules
Agency 167 - Pollution Control Agency
Chapter 7081 - MIDSIZED SUBSURFACE SEWAGE TREATMENT SYSTEMS
Part 7081.0140 - INFILTRATION
Universal Citation: MN Rules 7081.0140
Current through Register Vol. 49, No. 13, September 23, 2024
The design flow must also include 200 gallons of infiltration and inflow per inch of collection pipe diameter per mile per day with a minimum pipe diameter of two inches to be used for the calculation. Flow values are allowed to be further increased if the system employs treatment devices that are exposed to atmospheric conditions that will infiltrate precipitation. Flow estimates as calculated in this chapter shall not be relied upon for the design of collection systems.
Statutory Authority: MS s 115.03; 115.55
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