Water Protection Program

Guidance for Water Quality and Antidegradation Review Assistance: A Technical Reference Guide. 

• Directive Memorandum for Guidance Use
• Table of Contents, Glossary, References
• Acronym List
• Part 1 - Overview and Basis for Reviews
• Part 2 - Introduction to Water Quality Standards
• Part 3a - Effluent Limit Procedures: Technology Based Effluent Limits
• Part 3b - Effluent Limit Procedures: Water Quality Based Effluent Limits
• Part 4a - General Reasonable Potential to Exceed and Water Quality Based Effluent Limits
• Part 4b - Specific Water Quality Based Effluent Limit Processes and Reasonable Potential to Exceed

Technical Addendums to the Guidance for Water Quality and Antidegradation Review Assistance

• Technical Addendum #1 - Mixing Zones for Discharges to Streams One-half Mile From Lake
• Technical Addendum #2 - Chloride and Sulfate Standard Implementation
• Technical Addendum #3 - Time of Travel Studies Using Manning’s N Method – Field Procedure

Supplemental and Instructional Guidance for Water Quality and Antidegradation Review Assistance

• Appendices
• Figures
• Retrieving Data from USGS Gage
• Worksheet for Documenting SocioEconomic Importance