Ask A Question is a service provided by libraries in Alberta, Canada. Thank you for your question regarding plumbing certification.

From the information you provided it appears that you live in Iowa. Information about becoming a plumber in Iowa, including the requirements for Apprentice, Journey and Master level licenses can be found from the Iowa Department of Public Health website. You can get to this site by copying and pasting the following URL into your internet browser:

http://www.idph.state.ia.us/eh/plumbing_licensure.asp

You can find additional resources concerning plumber training and certification on the Iowa Plumbing and Mechanical Systems board website, which you can access at:

http://www.idph.state.ia.us/eh/plumbing_resources.asp

I hope this answers your question. Thank you for using the Ask A Question service.