Water quality permitting policies

  • Clean Water 1 Reasonable Potential.
  • Clean Water 2 Applicability of Nutrients Management Control Reg Dilution.
  • Exception for discharges to waters designated as Critical Habitat for Threatened and Endangered species.
  • Clean Water 3 Permit Compliance Schedules.
  • Practical Quantitation Limits.
  • Reporting of surface water discharge associated with residential and landscape irrigation.
  • Permit Inactivation Policy Where a Discharge Remains.
  • Significant Digits in Permit Limitations.
  • 401 Certification of 404 After the Fact Permit Application.
  • Permit Policy for Mining Activities.
  • Economic Reasonableness.
  • Policy for Characterizing Ambient Water Quality for use in Determining Water Quality Standards Based Effluent Limits.
  • Baseline Monitoring Frequency.
  • Guidelines for the Determination of Agronomic Rate for Application of Reclaimed Water Under Reg 84.
  • Procedures for Conducting Assessments for Implementation of Temperature Standards.
  • Implementing Narrative Standards in Discharge Permits for Protection of Irrigated Crops.
  • Monitoring and Reporting Requirements for Reclaimed Water Treatment Facilities.
  • Methodology for Determining Agronomic Rates for the Beneficial Use of Biosolids.
  • Blending of Septage from (ISDS) With Biosolids.
 
MOU Regarding Enhanced Coordination in implementing Colorado's Mixing Zone Rule (among CDPHE WQCD, U.S. Fish and Wildlife Services, and EPA)