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Septic system requirements in Walworth County, South Dakota

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

Updated

Design a septic system for an address in Walworth County

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

6system types permitted
1,000 gallonssmallest septic tank
Not yetparcel data

Septic systems allowed in Walworth County

The system types landplan.io permits in Walworth County:

Septic tank size in Walworth 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 Walworth County

Minimum distances
FromToDistance
PolygonExisting Septic Component to be Abandoned5 ft

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

Parcel data in Walworth County

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

Septic companies, designers and jobs in South Dakota

Where the rules come from

The regulations and documents landplan.io's Walworth County, South Dakota rules are read from:

Near Walworth County

Questions

What septic systems are allowed in Walworth County?

landplan.io designs by South Dakota's state rules there and permits: Elevated Sand Mound System, Subsurface Pressure Trench System, Subsurface Trench System, Infiltrator Advanced Treatment Leachfield, Infiltrator Advanced Enviro-Septic® (AES) and Discharging System.

What size septic tank do I need in Walworth County?

landplan.io sizes the septic tank in Walworth 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 Walworth County, South Dakota?

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