Stone county in Missouri has a few septic system regulations that vary from the state. These are a few of them.
NOTE: It's important to understand that some regulations may vary per circumstance.
Stone County Septic System Specifications
- Set back requirements are the same as the Missouri septic regulations (listed below).
- Tank must have accessibility to grade to service inlet and outlet pipes, tees and baffle assemblies.
- Conventional lateral lines must be a minimum of 18 inches down to 30 inches below grade.
- Lateral lines must be a minimum of 120 lineal feet of 24 inches wide per bedroom depending on soil loading rate.
- There is a minimum for any residence to have 240 lineal feet of 24-inch wide conventional lateral lines.
Source: Stone County Health Dept.
Missouri Septic System Regulations Compared To Stone County
The following covers some specifications for the state of Missouri's standard septic system regulations.
Missouri Septic Tank Info
- The sewage tank shall be placed so that it is accessible for the removal of liquids and accumulated solids.
- The sewage tank shall be placed on firm and settled soil capable of bearing the weight of the tank and its contents.
- The sewage tank must be watertight and designed and constructed to withstand all lateral earth pressures under saturated soil conditions with the tank empty.
- The sewage tank must be designed and constructed to withstand a minimum of two feet (2′) of saturated earth cover above the tank top.
- Access to the sewage tank shall be provided over both the inlet and outlet devices and to each tank compartment by means of either a removable cover or a manhole. Where the top of the tank is located more than eighteen inches (18″) below the finished grade.
Missouri Septic Tank Sizes
- 1-3 bedrooms minimum tank size = 1000 gallon tank
- 4 bedrooms minimum tank size = 1250 gallon tank
- 5 bedrooms minimum tank size = 1500 gallon tank
- 6 + bedrooms = calculated gallon tank size
Missouri Septic Tank Setbacks
- Septic tank from private well = 50 ft.
- Septic tank from public well = 300 ft.
- Septic tank from property line = 10 ft.
- Septic tank from cistern = 25 ft.
- Septic tank from spring = 50 ft.
- Septic tank from stream, lake or impoundment = 50 ft.
- Septic tank from open ditch = 25 ft.
- Septic tank from building foundation = 5 ft.
- Septic tank from basement = 15 ft.
- Septic tank from swimming pool = 15 ft.
- Septic tank from water lines under pressure = 10 ft.
- Septic tank from suction water lines = 50 ft.
Missouri Septic System Disposal Area Setbacks
- Lateral lines from private well = 100 ft.
- Lateral lines from public well = 300 ft.
- Lateral lines from property line = 10 ft.
- Lateral lines from cistern = 25 ft.
- Lateral lines from spring = 100 ft.
- Lateral lines from stream, lake or impoundment = 50 ft.
- Lateral lines from open ditch = 25 ft.
- Lateral lines from building foundation = 15 ft.
- Lateral lines from basement = 25 ft.
- Lateral lines from swimming pool = 15 ft.
- Lateral lines from water lines under pressure = 10 ft.
- Lateral lines from suction water lines = 100 ft.
The above information is sourced from MO Dept. of Health & Senior Services (pdf), which you can view to find more information about the regulations that Missouri has in place.
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