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Septic system requirements in Mercer County, Missouri

The septic rules landplan.io applies in Mercer County, what a septic tank costs there, and the parcel data we hold.

Updated

Design a septic system for an address in Mercer County

Missouri's state rules apply in Mercer County: landplan.io has no county rules of its own here. State rules: Reviewed See Missouri's rules

4system types permitted
1,000 gallonssmallest septic tank
Not yetparcel data

Septic systems allowed in Mercer County

The system types landplan.io permits in Mercer County:

Septic tank size in Mercer County

The daily design flow of a home: 150 gal/day per bedroom, at least 240 gal/day. The septic tank is sized from that flow:

Septic Tank: minimum size by daily design flow
Daily design flowMinimum tank
up to 240 gal/day1,000 gallons
240 to 360 gal/day1,500 gallons
360 to 600 gal/day2,000 gallons
600 to 720 gal/day2,500 gallons
720 to 840 gal/day2,750 gallons
840 to 920 gal/day3,000 gallons
920 to 1,040 gal/day3,250 gallons

Septic setbacks in Mercer County

Minimum distances
FromToDistance
PolygonExisting Septic Component to be Abandoned5 ft

These are the values the landplan.io design engine applies in Mercer County. Confirm a design with the Missouri health department or your county's before you build.

Parcel data in Mercer County

landplan.io has no parcel boundaries for Mercer County yet: you draw the lot on the aerial map, and soil and elevation load as anywhere else.

Septic companies, designers and jobs in Missouri

Where the rules come from

The regulations and documents landplan.io's Mercer County, Missouri rules are read from:

Near Mercer County

Questions

What septic systems are allowed in Mercer County?

landplan.io designs by Missouri's state rules there and permits: Conventional Trench System, Drip Dispersal System, Low Pressure Distribution and Surface Discharging System.

What size septic tank do I need in Mercer County?

landplan.io sizes the septic tank in Mercer County from the daily design flow: up to 240 gal/day: 1,000 gallons; 240 to 360 gal/day: 1,500 gallons; 360 to 600 gal/day: 2,000 gallons; larger flows need larger tanks. A home's design flow is 150 gal/day per bedroom, at least 240 gal/day.

Does landplan.io have parcel data for Mercer County, Missouri?

Not yet: you draw the lot on the aerial map, and soil and elevation load as anywhere else.