Residential
Number of Bedrooms
| Septic Tank(s) (Gallons)
| Aerobic Units (Gallons Per Day)
|
2 or Fewer
| 1,250
| 400
|
3
| 1,500
| 500
|
4
| 2,000
| 600
|
5
| 2,200
| 750
|
6
| 2,600
| 900
|
7
| 3,000
| 1,050 |
Other than Residential
Projected Wastewater Concentrations
| Septic Tank(s) (Gallons)
| Aerobic Units (Gallons Per Day)
|
<300 ppm BOD5 | 1.5 x design flow
| 1.0 x design flow
|
≥ 300 ppm BOD5 | § 171.109 - Atypical Flow | |