water stream over rocks

Introduction

4 WRRC Students Win PWC 2026 Poster ContestsFebruary 2026

4 WRRC Students Win PWC 2026 Poster ContestsFebruary 2026

Erik Hoffnagle
Junxi Dai
Claire Pedersen
Brian Allen

Four WRRC students took top spots in two student poster contests at this year’s Pacific Water Conference (PWC) in Waikiki.

It was a WRRC clean sweep in the Hawaii Water Environment Association (HWEA) student poster contest, with Brian Allen placing first ($250), Erik Hoffnagle second ($200), and Junxi Dai third ($150).

Brian’s winning poster was titled,  “Understanding and Mitigating Hexavalent Chromium Risks in Maui Wildfire-Impacted Agricultural and Forest Soils.”

Erik’s poster was titled, “Preliminary Testing of a Floating TDS Sensor for Inflow and Infiltration to Sanitary Sewers.”

Junxi’s poster was titled, “Carbon Source-driven Enrichment of Phosphate Accumulating Organisms in EBPR Systems.”

Engineering MS student Claire Pedersen won second place in the American Water Works Association (AWWA) poster contest, taking home $240. Her winning poster was titled, “Comparing Water Treatment Solutions in American Samoa: An Engineering Feasibility Assessment of Reverse Osmosis and Microfiltration.”

Congratulations, Brian, Claire, Erik, and Junxi! You make all of us at WRRC very proud!