We still don't have the hard costs for the ground cover and the electrical installation yet. For the best experience on our site, be sure to turn on Javascript in your browser. Dig a minimum of four holes at least three holes around the perimeter of the lagoon site and one in the middle of the site. Missouri Septic Systems Costs & Prices - ProMatcher Cost Report Cost of Septic Tank Cleaning or Pumping in Missouri (Range: $236.11 - $277.62) Residential Lagoons - UNL Water Do keep a detailed record of repairs, pumpings, inspections, permits issued and other maintenance activities. Septic system installation costs are unavoidable and, for the most part, inflexible. In some states, they arent approved for use. The average cost of a lagoon system installation for a small home was $2,426. $200. Lay the pipe on a firm foundation to maintain a slope of 1/4 inch per foot (1/8 inch per foot minimum) and extend it to discharge into the center of the bottom of the lagoon. Water loss due to percolation cannot exceed 1/8 inch per day (about 70 gallons on a 900 square foot lagoon) to prevent groundwater contamination or nuisance conditions. Installation may require the services of a professional liner contractor, although homeowner-installable liners are available. The average cost for an above-ground mound septic system is$15,000, with annual maintenance costing as much as$500. Then the lagoon should be resealed and refilled with fresh water. Enter and space open menus and escape closes them as well. Although a drain field, sometimes called a septic leach field, is the preferred method, impermeable soils can make installing a drain field impossible. These minimum tank sizes will be adequate to handle all household wastes, including water from the toilet and kitchen drains, referred to as blackwater, and water from the bathtub, shower, sinks and laundry, which is called graywater. On average, it costs $419 or between $288 and $556 to clean or pump a septic tank. If the perc rates are faster than 120 minutes per inch, then a compacted clay liner or synthetic liner will be necessary to provide a proper seal. Land clearing: $950 for a quarter of an acre. View all agriculture and environment programs, Continuing Education for Health Professions, Living a Healthy Life with Chronic Conditions, Agricultural Business and Policy Extension, Exceed - Regional Economic and Entrepreneurial Development, Mid-America Trade Adjustment Assistance Center, Missouri Small Business Development Centers, Missouri Procurement Technical Assistance Centers, Veterinary Extension and Continuing Education, Missouri Council for Activity and Nutrition, equal opportunity/access/affirmative action/pro-disabled and veteran employer, Property line (from lagoon overflow pipe), Top of slope of embankments or cuts of 2 feet or more vertical height, Other soil absorption system except repair area.