Information for the upcoming Certified Installer of Onsite Wastewater Treatment Systems (CIOWTS) credentialing test can be found on the "Certification" tab. Online registration is available for the Installation Overview Course being held prior to the test on April 16-17, 2019 at the Ziegler CAT Education Center, Altoona IA
The CIOWTS Test Application must be submitted by April 2, 2019. You can download the test application "Certification" tab on the IOWWA web site. Online completion of the test application is not available and is separate from the registration for the Installation Overview course and payment for the test.