Proven Conventional Disposal
Rock trench systems are a time-tested conventional septic design that use perforated pipe surrounded by clean stone in excavated trenches. They're a time-tested, county-accepted method for Type 4.02 systems when soil percolation and setback requirements are met.
Rock Trench Benefits
- Widely accepted by Arizona counties
- Durable and long-lasting when designed correctly
- Familiar to installers and inspectors
- Effective where soil and lot size allow