Focus On Water
Onsite Wastewater Treatment Facilities:
Registration Requirements

Any onsite wastewater treatment system that is constructed, reconstructed, altered, modified, or otherwise changed must be registered with the Department.

Below are links to more detailed information:

Registered Onsite Wastewater Treatment System - opens in new tab / window
  • Use this link to search private holding tanks, lagoons, mound systems, septic systems and alternative systems registered since 2004
  • This search will display: System Number, Treatment Type, Owner, Location, City, County, Registration Date and Registered By

The Onsite Wastewater Treatment System Registration process is now an online process

Account Registration Instructions

WAT329 - Onsite Wastewate Treatment – Technical Guide for Applications

Online Application Process* – This link takes you to the online application page. You may register for an account to use the online application process.

Or, once you have an account, you can login to the application. Prior to completing your account registration, please note or record
  • Your userID, and
  • the answers to your security questions.

The direct URL to the application page is *


* This Page contains links to Non-NDEE websites, these links will open in a New Tab or Window