Quick answers
- How big should my septic tank be?
- Most homes need 1,000–1,500 gallons depending on bedrooms and daily water use. Use the calculator above for a precise, code-informed estimate.
- What affects drainfield size?
- Soil percolation rate, daily design flow, trench width, and local code all impact the required square footage.
- Can I place a septic system near a well?
- Setbacks are required. Typical minimums are 50–100 ft, but always confirm your jurisdiction’s code.