Patrick Pfaltzgraff, Director, Water Quality Control Division in the Colorado Department of Public Health and Environment (CDPHE), introduced himself to the committee. At the meeting on June 19 representatives from CDPHE presented the Refinance Water Pollution Control Program Act report, as required by House Bill 17-1285. Nicole Rowan, Clean Water Program Manager CDPHE, introduced herself to the committee and began to review the responses to questions submitted by the committee regarding the June 19 presentation. Ms. Rowan and Mr. Pfaltzgraff distributed a copy of the responses to the committee [Attachment B]. Ms. Rowan discussed Colorado's water quality criteria as it compares to that of the Environmental Protection Agency (EPA). Ms. Rowan responded to questions from the committee regarding natural selenium levels in the water, and how CDPHE takes into account the natural levels when determining water quality criteria.