TYPICAL SEWAGE DISPOSAL DESIGN SETBACKS
| Minimum Horizontal Distance in Clear Required From: | Building Sewer | Septic Tank | Disposal Field | Seepage Pit |
| Buildings or structures | 2 Feet | 5 Feet | 8 Feet | 8 Feet |
| Property line adjoining private property | Clear | 5 Feet | 5 Feet | 8 Feet |
| Water Supply Wells | 50 Feet | 100 Feet | 100 Feet | 150 Feet |
| Streams | 50 Feet | 50 Feet* | *100 Feet | 100 Feet |
| Non-classified Streams | *25 Feet | *25 Feet | *25 Feet | * 25 Feet |
| Large Trees | ----- | 10 Feet | ----- | 10 Feet |
| Seepage Pits or Cesspools | ----- | 5 Feet | 5 Feet | 12 Feet |
| Disposal Field | ----- | 5 Feet | 4 Feet | 5 Feet |
| Domestic Water Line | 1 Foot | 5 Feet | 5 Feet | 5 Feet |
| Distribution Box | ----- | ----- | 5 Feet | 5 Feet |
| Pressure Public Water Main | 25 Feet | 25 Feet | 25 Feet | 25 Feet |
*Â Per County Ordinance and Kern County Public Health Services Department, Environmental Health Division.
TABLEÂ 11 - 4
AREA OF DISPOSAL FIELD
Required absorption area on square feet per one hundred (100)
gallons of septic tank liquid capacity for five (5) types of soil
| Type of Soil | Square feet per 100 gallons |
| (1)Â Coarse sand or gravel | 20 |
| (2)Â Fine sand | 25 |
| (3)Â Sandy loam or sandy clay | 40 |
| (4)Â Clay with considerable sand or gravel | 90 |
| (5)Â Clay with small amount of sand or gravel | 120 |
 * Minimum Absorption Area is 150 Square Feet. Maximum Leach Line Length is 100 Feet.
