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Septic system requirements in Sioux County, North Dakota

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

Updated

Design a septic system for an address in Sioux County

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

6system types permitted
1,000 gallonssmallest septic tank
Coveredparcel data

Septic systems allowed in Sioux County

The system types landplan.io permits in Sioux County:

Septic tank size in Sioux County

The daily design flow of a home: 150 gal/day per bedroom, at least 300 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 Sioux County

Minimum distances
FromToDistance
PointWell50 Ft
PolygonBuilding10 Ft
PolygonExisting Septic Component to be Abandoned5 ft
PolygonStreams, lakes or other surface waters100 Ft

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

Parcel data in Sioux County

landplan.io has parcel boundaries for Sioux County (99.9% of its area): type an address and the design starts from the parcel.

Septic companies, designers and jobs in North Dakota

Where the rules come from

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

Near Sioux County

Questions

What septic systems are allowed in Sioux County?

landplan.io designs by North 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 Sioux County?

landplan.io sizes the septic tank in Sioux 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 300 gal/day.

How far must a septic system be from a well in Sioux County?

landplan.io keeps these distances in Sioux County: Point to well: 50 Ft.

Does landplan.io have parcel data for Sioux County, North Dakota?

Yes: parcel boundaries cover Sioux County (99.9% of its area).