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(505) 827-2855 MAIN // 1-800-219-6157 (toll free)
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New Mexico
Environment Department
Surface Water Quality Bureau

Comprehensive Assessment and Listing Methodology

San Juan River at sunset The Monitoring, Assessment, and Standards Section of  SWQB has documented listing methodologies (previously called Assessment Protocols) for determining use attainment in order to develop the State of New Mexico Integrated Clean Water Act §303(d)/§305(b) Integrated Report
The Comprehensive Assessment and Listing Methodology explains how the SWQB evaluates existing and readily available surface water quality data and other information to determine whether or not surface water quality standards are being attained.  Written listing methodologies are necessary to consistently determine whether or not surface waters are meeting their designated and existing uses.  Protocols are updated as new and improved assessment tools and approaches become available.   These protocols are reviewed every other year at a minimum by SWQB staff, USEPA Region 6, other natural resource professionals, and interested stakeholders.

Public comment period is now closed. See 2018-2020 CALM public notice here.  

Final 2018-2020 Comprehensive Assessment and Listing Methodology
Main CALM document 
Appendix A  ALU Data Quality  
Appendix B  Temperature  
Appendix C  Nutrients-Streams
Appendix D  Nutrients-Lakes    
Appendix E  Dissolved Oxygen
Appendix F  pH  
Appendix G  Sedimentation
Appendix H  Turbidity
Appendix I   IR Category 4b
Previous Versions
2016-2018 2014-2016 2012-2014 2010-2012
2008-2010 2006-2008 2004-2006 2000-2002
1998-2000              

 

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