For over 70 years, the public sector has relied on IPMA-HR's Assessment Services for our expertise, quality, and customer service. We work with agencies and departments to ensure they have the critical information they need to make long-term, successful hiring decisions before hire. Our multiple-choice wastewater tests assess the knowledge, skills, abilities, and personal characteristics necessary for success.

WT-EL 100 Series

The WT-EL 100 Series is IPMA-HR’s most recently developed entry-level wastewater operator-in-training (OIT) assessment and uses the most modern development approach that relies on a combination of (3) legally and professionally supported sources of validity evidence.  

WT-FLS Series

Receive the essential information needed to help ensure only the most highly qualified candidates with the greatest leadership potential are promoted to wastewater first line supervisor in your facility.

Assessment Resources


Feel free to browse our public works department assessments FAQ page. Do not hesitate to contact us with questions about our assessment products.