Below is a list of study references that are recommended to assist the candidate in preparing for the CIOWTS examination.
1. Installation of Wastewater Treatment Systems, CIDWT – available for purchase through NEHA’s Bookstore. *Recommended reference
3. Residential Building Design & Construction. Jack Willenbrock, Harvey Manbeck, and Michael Suchar, (1998) Prentice-Hall.
5. Small and DeCentralized Wastewater Management Systems. Crites & Tchobanoglous. (1998) McGraw-Hill.
6. Wells and Septic Systems, 2nd Edition. Max & Charlotte Alth, Revised by S. Blackwell Duncan, (1992) TAB Books.
7. Plumber’s Handbook Revised Edition. Howard Massey (1978).
9. Plumber’s Guidelines
10. Glossary of Terms by CIDWT