Onsite Wastewater Treatment – Technical Guide for Applications
This information is provided by the Nebraska Department of Environment and Energy to assist the public and regulated community.
Form #: WAT329 Applications and Forms Revised: 8/15/19
SizeFile Name
1,481 KB WAT329 - OnBase OWT User Guide.pdf


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

Account Registration instructions are in the above PDF

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, security questions and answers.


The direct URL to the application page is:

https://ecmp.nebraska.gov/DEQ-OWT/Account/Login?ReturnUrl=%2fdeq-owt *

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