Co-sponsor of the bill, Representative Mauro, gave an overview of House Bill 23-1221 Water Quality Data Standards. The bill requires the Colorado Department of Public Health and Environment to use quality-assured data to determine the maximum amount of a pollutant that can be discharged daily into state waters without exceeding applicable water standards.

The committee asked the sponsor questions.

Claire Carroll, representing Northwest Colorado Council of Governments Water Quality/Quantity Committee, testified to amend the bill. Gabe Racz, representing Colorado Water Congress, testified to amend the bill. The committee asked the panel of witnesses questions.

Mr. Mark Grueskin, representing Mesa County, testified in support of the bill. Mr. Alan Searcy, representing Colorado Stormwater Council, testified in support of the bill. The committee asked the panel of witnesses questions.

Dr. Megan McConville, representing Colorado Parks and Wildlife, was available to answer committee questions. Ms. Melynda May, representing Colorado Parks and Wildlife, was available to answer committee questions.

The committee asked the panel questions.
Additional written testimony is included as Attachment E.

Sponsor introduced and explained amendment L.001 (Attachment G).

The sponsor gave closing comments on the bill.

The committee gave closing comments on the bill.