Septic/Cistern/Rainwater Tanks

Septic, Cistern & Rainwater Tanks

Westech Equipment carries polyethylene tanks for septic, cistern, and rainwater collection applications. These tanks are built for long-term underground or above ground installation and are available in a range of capacities for residential and light commercial use.

Our selection includes septic tanks, cistern water storage tanks, and rainwater harvesting tanks. Poly construction provides corrosion resistance and long service life in buried applications.

For help selecting the right tank size and configuration for your project, call us at 1-800-433-8831.

Frequently Asked Questions

Q: What size septic tank do I need?
A: Septic tank sizing is based on the number of bedrooms and local code requirements. Most single-family homes require 1,000-1,500 gallons. Your local health department will specify the minimum.

Q: Can polyethylene tanks be buried?
A: Yes — the poly tanks we carry are designed for below ground installation. They're lightweight, resist corrosion, and provide long service life when installed properly.