Ordinance - 2001-1 - 04/10/2001 - Laserfiche WebLink

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Anoka County Sewage Treatment Ordinance Technical Differences September 19, 2001 As required by 7080.0305 Subp. 2.E., the foliowing information discloses the technical differences of the Anoka County Sewage Treatment Ordinance from the rules of the Minnesota Pollution Control Agency. 1. Imminent PubIic Health and Safety Threat and failing system. An individual sewage treatment system that poses an imminent threat to Public Health and safety must be brought into compliance within 45 days unless there are extenuating circumstances. A failing system must be brought into compliance within 24 months after receiving notice from the county. 2. 7080.0130 Subp. 3.A. Minimum septic tank sizing: 2 bedroom home, 1,000 gailon with effluent filter; 3 & 4 bedroom home, 1,500 gallons with 2 compartments or multiple tanks with equivalent Iiquid capacity; 5 & 6 bedroom home, 2,000 gallons with 2 compartments or multipte tanks with equivalent capacity; 7or more bedroom home, septic capacity shall be sized as an Other establishnient. Aerobic tanks must be equipped with trash traps sized according to the manufacturers recommendations. 3. 7080.0125 Subp. 2. DweIIing Classifications 11, 111 and IV have been deleted and onlyclass 1 design fiows can be used. 4. 7080.0150 Subp. 3.D. 1/8" to 1/4" perforations are allowed. Perforations 5/32 inch diameter or smaller must have orifice shields and pumps must be equipped with effective filters. 5. Table IV, 7080.0170, Subp., 1.F. has been amended to includetheword occupied following building. This change aliows soil treatment areas to be closer than 20 feet to an unoccupied building. 6. 7080.0170 Subp. 2.B. (3), graveless pipe. Unless pretreatment is used, lineal feet of piping must be increased 50%. 7. 7080.0170 Subp. 2. Table Va. The absorption ratio for mounds with fine sand soll texture and single grain soU structure is changed from 1.0 to 2.0. 8. 7080.0178, Subp., 2.D. When an Other System utilizes a pumping tank, timed dosing must be used. 9. 7080.0178 and 7080.0179. Other and Performance Systems are allowed for reconstruction, and new construction only when it can be shown that a standard system can not be constructed or is not the best choice.