W. Va. Code R. agency 64, tit. 64, ser. 64-47, tbl. 64-47L - [Effective until 7/1/2025] STANDARD SEPTIC TANK SOIL ABSORPTION SYSTEM SIZING FOR SINGLE-FAMILY DWELLINGS

Percolation Test Results (Average Time in Minutes Required for Water to Fall One Inch)

Minimum Area of Soil

Absorption System

(Square Feet per Bedroom)

Less than 5 minutes

Consult with local health department

5 - 30 minutes

300

31 - 60 minutes

400

over 60 minutes

Consult with local health department

Notes

W. Va. Code R. agency 64, tit. 64, ser. 64-47, tbl. 64-47L

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