Agenda - Council - 06/10/1997 - Laserfiche WebLink

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Sewage disposa 8.~0 of seasonal high ground water table or bedrock closer than 3 feet to the ground surface and percolation rates faster than .5 or slower t.h.n 60 minutes per inch. Soil Classification is where soil particle sizes or textures are specified this refer to the Guide for USDA Soil Texturz~ Classification. in regulation, they Soft Trea~ent Area is an area where sewage tank effluent is treated and disposed of below the ground surface by filtration and percolation through the soil and also by evaporation, and includes those systems comrnonly known as seepage bed, trench drainfield, disposal field, and also includes mounds and seepage pits. St-ndgrd System is an individual sewage treatment system employing a sewage tank and the soil treatment system commonly known as seepage bed or trenches, drainfield or leackfield. Surface Water Flooding is the 100 year flood plain along rivers and streams as defined by 'the DNR or, in the absence of such data., the highest flood level of record; on lakes, high water levels as determlued or recorded by the Department of Natural Resources or, in the case of no DNR record, by local records or experience. Other surface water flooding 'or high water areas sh°uld be determined by local information. Valve Box is any device which can stop sewage ~mn~ effluent from flowing to a portion of the soil treatment area, and includes but is not limited to caps or plugs on distribution or drop box outlets, divider boards, butterfly valves, gate valves or other mechanisms. Water Table is the elevation in the soil 'where all voids highest are filled with water, as evidenced by presence of water or soil mottling or other information. Seasonally ]~igh Water Table is a perched water table or a saturated soil condition which occurs during wet seasons of the year. Normal Water Mark is mark the (or Ordinary) High delineating a highest water level which has been maintained for a sufficSent period of time to leave evidence upon the landscape. The normal high water mark is commonly that point where the natural vegetation changes from predom~.nantly aquatic to predominantly terrestrial. Watertight is when constructed so that no external water can enter. Water Usage shah be estimated by the best curr(~.nt available data provided by the agency if actual measurements are unavailable. 8.30.03 Permi~ Subdivisionl. No person, firm or corporation shall install, alter, repair or extend any individual sewage disposal system in the City without first obtaining a permit therefore from the council or its authorized representative for the specific installation, alteration, repair or extension, and at the time of applying ! ,! Printed 12/28/90 Page 239