Septic system requirements in Marshall County, West Virginia
The septic rules landplan.io applies in Marshall County, what a septic tank costs there, and the parcel data we hold.
Updated
Design a septic system for an address in Marshall County
West Virginia's state rules apply in Marshall County: landplan.io has no county rules of its own here. State rules: Reviewed See West Virginia's rules
Septic systems allowed in Marshall County
The system types landplan.io permits in Marshall County:
- Conventional Trench System
- Drip Dispersal System
- Low Pressure Distribution
- Surface Discharging System
Septic tank size in Marshall 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:
| 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 Marshall County
| From | To | Distance |
|---|---|---|
| Polygon | Existing Septic Component to be Abandoned | 5 ft |
These are the values the landplan.io design engine applies in Marshall County. Confirm a design with the West Virginia health department or your county's before you build.
Parcel data in Marshall County
landplan.io has parcel boundaries for Marshall County (100% of its area): type an address and the design starts from the parcel.
Septic companies, designers and jobs in West Virginia
- Septic companies and distributors in West Virginia
- Septic designers in West Virginia
- Septic design jobs in West Virginia
Where the rules come from
The regulations and documents landplan.io's Marshall County, West Virginia rules are read from:
- Sewage Treatment and Collection System Design Standards (includes Individual Sewage Systems, Sec. 6) (W. Va. Code R. §64-47 (64CSR47))
- 64CSR9 Sewage Systems (legislative rule, effective 5/1/1998) (W. Va. Code R. 64-9 (64CSR9), sections 64-9-1 to 64-9-14)
- 64CSR47 Table 64-47B Minimum Design Loadings for Sewage Treatment Facilities (W. Va. Code R. 64-47, Table 64-47B)
- 64CSR47 (effective 7/1/2025) Tables 64-47-K, L and M - horizontal separation distances and absorption sizing (transcribed from the filed rule) (W. Va. Code R. 64-47, Tables 64-47-K, 64-47-L, 64-47-M)
Near Marshall County
- Ohio County
- Wetzel County
- Brooke County
- Tyler County
- Marion County
- Monongalia County
- Doddridge County
- Harrison County
- All of West Virginia
Questions
What septic systems are allowed in Marshall County?
landplan.io designs by West Virginia'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 Marshall County?
landplan.io sizes the septic tank in Marshall 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 Marshall County, West Virginia?
Yes: parcel boundaries cover Marshall County (100% of its area).