Surface Water Standards  


Program Contact:   
Lindsay Patterson, Supervisor
307-777-7079
lindsay.patterson@wyo.gov
 

Current Standards

   Chapter 1 - Effective September 24, 2013 - Surface Water Standards
   Implementation Policies - Effective September 24, 2013
▪   Wyoming Surface Water Classification List (Tables A & B) - See Use Attainability Analysis (UAA) Table for Classification Changes
▪   Water Quality Standards for Salinity, Colorado River System - 2014 Review

Categorical UAA for Recreation

August 20, 2014:  According to the provisions of Sections 33, 34 and 35 of Chapter 1, Wyoming Surface Water Quality Standards, review of the Categorical Use Attainability Analysis for Recreation and related public comments, the Wyoming Department of Environmental Quality/Water Quality Division Administrator has determined that streams identified in the analysis should be designated for secondary contact recreation. Available for review are the Final Administrator's Determination and Response to Comments for the Comment Period Ending March 14, 2014. Recreation designated uses for surface waters in Wyoming can be determined by using the Recreation Designated Uses Web Map or by downloading the shapefiles below.

Click Here for Primary Area and Combined Streams Shapefiles (zipped folder)

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January 28, 2014:  The Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD) revised the Categorical Use Attainability Analysis for Recreation and gathered public comment on the reclassification of many waters in the state from primary contact recreation to secondary contact recreation. The primary and secondary contact recreation designations and the datasets used in development of the UAA are available in a web map.  A preliminary public comment period ended September 30, 2013 and a Response to Comments for the Comment Period Ending September 30, 2013 has been developed.

Click Here for Primary Shapefiles (zipped folder)

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August 2013:   The Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD) has developed a draft of a Categorical Use Attainability Analysis for Recreation.  WDEQ/WQD requested assistance from the public to identify streams within Wyoming that are used for primary contact recreation that are not currently identified as primary in the draft UAA.  The primary and secondary contact recreation designations and the datasets used in development of the UAA are available in a Web Map. 

A public meeting was held on August 26, 2013 in Cheyenne, Wyoming.  Additional public meetings and/or presentations can be scheduled by contacting Lindsay Patterson at 307-777-7079 or Lindsay.Patterson@wyo.gov.  Specific feedback on the draft UAA was accepted until September 30, 2013; the submitted comments are now being considered.

Click Here for Draft Primary Shapefiles (zipped folder)

Nutrient Pollution  Click for New Web Page

Other Information

    Interim Policy on Establishing Effluent Limits for Permitted Point Source Discharges to Class 1 Water Tributaries - Adopted Memorandum
    Link to:  U.S. EPA Water Quality Standards Website












Last Update: November 19 , 2014