Focus On Water
Onsite Wastewater Treatment Systems:
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

NDEE has two ways that you can register your installed systems. There is a fillable paper registration application and an online application process (Instructions below).

Account Registration Instructions

WAT329 - Onsite Wastewater 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.

Go to the application page. *


* This webpage contains links to Non-NDEE websites, these links will open in a new tab or window