Septic system requirements in Washington County, Utah
The septic rules landplan.io applies in Washington County, what a septic tank costs there, and the parcel data we hold.
Updated
Design a septic system for an address in Washington County
Utah's state rules apply in Washington County: landplan.io has no county rules of its own here. State rules: Reviewed See Utah's rules
Septic systems allowed in Washington County
The system types landplan.io permits in Washington County:
- Mound System
- At Grade Systems
- Drip-Line Dispersal
- Pressure Distribution Trenches
- Absorption Trenches
- Packed Bed Media
- Pressurized Packed Bed Media
- Discharging System
Septic tank size in Washington 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:
| Daily design flow | Minimum tank |
|---|---|
| up to 240 gal/day | 1,000 gallons |
| 240 to 360 gal/day | 1,500 gallons |
| 360 to 600 gal/day | 2,000 gallons |
| 600 to 720 gal/day | 2,500 gallons |
| 720 to 840 gal/day | 2,750 gallons |
| 840 to 920 gal/day | 3,000 gallons |
| 920 to 1,040 gal/day | 3,250 gallons |
Septic setbacks in Washington County
| From | To | Distance |
|---|---|---|
| Polygon | Existing Septic Component to be Abandoned | 5 ft |
These are the values the landplan.io design engine applies in Washington County. Confirm a design with the Utah health department or your county's before you build.
Parcel data in Washington County
landplan.io has parcel boundaries for Washington County (100% of its area): type an address and the design starts from the parcel.
Septic companies, designers and jobs in Utah
Where the rules come from
The regulations and documents landplan.io's Washington County, Utah rules are read from:
Near Washington County
- Iron County
- Beaver County
- Kane County
- Piute County
- Garfield County
- Millard County
- Sevier County
- Wayne County
- All of Utah
Questions
What septic systems are allowed in Washington County?
landplan.io designs by Utah's state rules there and permits: Mound System, At Grade Systems, Drip-Line Dispersal, Pressure Distribution Trenches, Absorption Trenches, Packed Bed Media, Pressurized Packed Bed Media and Discharging System.
What size septic tank do I need in Washington County?
landplan.io sizes the septic tank in Washington 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.
Does landplan.io have parcel data for Washington County, Utah?
Yes: parcel boundaries cover Washington County (100% of its area).