Agenda - Council - 11/25/1997 - Laserfiche WebLink

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Sewage disposal *stems § 8.30 of seasonal high ground water table or bedrock closer than 3 feet to the ground ' surface and percolation rates faster than .5 or slower than 60 minutes per inch. Soil Classification is where soil particle sizes or textures are specified in this regulation, they refer to the Guide for USDA Soil Textural Classification. Soil Treatment 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 commonly known as seepage bed, trench drainfield, disposal field, and also includes mounds and seepage pits. Standard System is an individual sewage treatment system employing a sewage tank and the soil treatment system commonly known as seepage bed or trenches, drain.field or leachfield. 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; ott lakes, high water levels as determined 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 should be determined by local information. Valve Box is any device which can stop sewage tank 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 highest elevation in the soil where all voids are filled with water, as evidenced by presence of water or soil mottling or other information. Seasonally High Water Table is a perched water table or a saturated soil condition which occurs during wet seasons of the year. Normal (or Ordinary) High Water Mark is a mark delineating the highest water level which has been maintained for a sufficient period of time to leave evidence upon the landscape. The normal high water mark is commonly that point where the natural vegetation changes from predominantly aquatic to predominantly terrestrial. Watertight is when constructed so that no external water can enter. Water Usage shall be estimated by the best current available data provided by the agency if actual measurements are unavailable. 8.30.03 Permits. Subdivision L 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 appl,,ping Printed 12✓28/90 Page 239