Sewage Treatment System Policy and Permits

Septic Application Policy

Site Review Application

Sewage Treatment System Operation Permit

Permit+to+Install+STS

Abandonment Permit Report

Registered Septic Contractors

SEWAGE TREATMENT LIST-05-03-2021

Registered Septage Haulers

2021 Septage Haulers

Sewage Treatment System Designers

Designer Contact and Address List

Approved Soil Scientists

Soil Evaluators approved under OAC 3701-28-07A5 06.26.20

List of SSSA professional in Ohio 05.15.20

Information for Contractors

Installer Registration Septic

https://otco.org/sts-program