SEPTIC SYSTEM CHECKLIST

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Septic System Application Checklist

Before submitting an application, follow these steps

Step 1 – Review and ensure any specific-county requirements for your area have been met:

Step 2 – Confirm proof of water service or private water rights with a protection zone:

  • Public water connections: provide utility documentation confirming service.
  • Non-public connections: submit water rights, quality, septic setback location, and required pressure/flow verification.
  • Water Rights & Protection: Proof of owner water rights and an established protection zone.
  • Well Log: Submission of the official well log via waterrights.utah.gov.
  • Water Quality Testing: Submission of satisfactory chemical and bacteriological analyses.

Step 3 – Work with a Utah DWQ-certified professional to complete design and soil evaluations:

  • Soil conditions down to 10 ft (or refusal); excavations >6 ft require exploration 4 ft below seepage depth.
  • Unsigned certificates are not accepted.
  • USDA soil descriptions only; USCS soil types are not accepted under R317-4.
  • Stabilized percolation test results, if required by Table 6 of R317-4, for the proposed absorption area.
  • Construction lot, block, and site address (provide directions in remote areas).
  • Lot size, dimensions, and direction of north.
  • Location and dimensions of roads, driveways, parking areas, and paved roads.
  • Ground surface contours, relative elevations, or statement of grade.
  • Wells, springs, protection zones, ditches, ponds, lakes, or streams on or within 100 ft of the property.
  • All water service lines on the property.
  • Scaled/dimensioned system plan showing required components and setbacks.
  • Septic tank size and manufacturer.
  • Location of water source for the dwelling and the distance from the septic system.
  • Location of all soil exploration pits and percolation test holes.
  • Seepage trench cross-section showing excavation, gravel fill, drain line, and backfill barrier.
  • Gravel-less chamber systems: specify manufacturer, model, and type (A or B).

Step 4 – Assemble and submit your application packet containing the following items:

  • Any specialty documentation required by that county.
  • Proof of water service or private water rights with a protection zone.
  • 3 copies of plot plan, design, trench details, and soil report by a DWQ-certified professional.
  • Outline and floor plan of all plumbed buildings.
  • One copy of the completed application.