HB 23-1221

House Bill 23-1221, also known as the Water Quality Data Standards bill, requires the Colorado Department of Public Health and Environment to use reliable data starting January 1, 2024, to set daily limits on pollutants that can be released into state waters without violating water quality standards. This affects anyone who discharges pollutants into Colorado’s waters, including industries and municipalities. Since the bill has been signed, it is now law and must be implemented as specified by its requirements.

Official Summary

The bill requires the division of administration in the department of public health and environment, on and after January 1, 2024, 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 quality standards. (Note: This summary applies to this bill as introduced.)