The rules and regulations governing on-site sewage management systems operated independent of public or community sewage treatment systems.

Chapter 290-5-26 (On-Site Sewage Management Systems) 

Link to the Entire On-Site Sewage Manual

Chapter 290-5-25 (Land Disposal of Domestic Septage) 

Related Documents:

Application for Land Disposal Site Permit 
Land Disposal Site Sampling Requirements 
Septage Application Record