Septic System Tools & Calculators
Free tools to help you size, maintain, troubleshoot, and budget for your septic system.
Tank Size Calculator
Calculate the right septic tank size for your property based on bedrooms, occupants, and usage.
Pumping Schedule Calculator
Find out exactly when your tank needs pumping based on your household size and habits.
System Cost Estimator
Estimate installation or replacement costs broken down by tank, drain field, permits, and labor.
Drain Field Size Calculator
Calculate required drain field square footage based on soil type, flow rate, and system design.
Problem Diagnostic Tool
Select your symptoms and get a probable diagnosis, urgency level, and recommended action.
Septic-Safe Product Checker
Look up whether household products are safe, risky, or harmful for your septic system.
Septic vs Sewer Cost Comparison
Compare 10-year and 20-year costs of maintaining septic vs connecting to municipal sewer.
Perc Test Guide & Cost Estimator
Estimate perc test costs for your area and interpret your results to understand system options.
Home Buyer Inspection Checklist
Generate a personalized, printable septic inspection checklist for your home purchase.
Water Usage Impact Calculator
See how much water your household sends to the septic system and whether you're overloading it.
Maintenance Budget Planner
Build a 10-year maintenance budget with scheduled pumping, inspections, and replacement reserves.