{"id":33,"date":"2021-06-25T19:52:22","date_gmt":"2021-06-25T19:52:22","guid":{"rendered":"https:\/\/www.env.nm.gov\/surface-water-quality\/?page_id=33"},"modified":"2025-11-26T09:26:40","modified_gmt":"2025-11-26T16:26:40","slug":"calm","status":"publish","type":"page","link":"https:\/\/www.env.nm.gov\/surface-water-quality\/calm\/","title":{"rendered":"Comprehensive Assessment and Listing Methodology"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>The&nbsp;Comprehensive Assessment and Listing Methodology (CALM) is how the Department evaluates existing and readily available surface water quality data and other information to determine whether or not surface water quality standards are being&nbsp;attained. Written&nbsp;listing methodologies&nbsp;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.<\/p>\n\n\n\n<p>Contact Meredith Zeigler at<strong> <a href=\"mailto:meredith.zeigler@env.nm.gov\" target=\"_blank\" rel=\"noreferrer noopener\">meredith.zeigler@env.nm.gov<\/a><\/strong> with CALM questions.<\/p>\n\n\n<div class='nmenv_accordion'><div class='nmenv_accordion_item level_0'><div class='nmenv_accordion_item_title'><i class='fas fa-chevron-right' aria-hidden='true'><\/i><h3 class=\"wp-block-heading\">2025 CALM<\/h3><\/div><div class='nmenv_accordion_item_body'>\n\n\n\n<p><a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2025\/11\/2025-CALM_FINAL_all-appendices-updated.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">2025 Final CALM with appendices<\/a><\/p>\n\n\n\n<p>Public Involvement Plan <a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2025\/06\/2025-SWQB-PIP-2025-CALM-Final.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">(PIP)<\/a><\/p>\n\n\n\n<p>Public Notice &#8211; <a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2025\/06\/CALM-and-Data-Call-PN-060625.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">English<\/a> &#8211; <a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2025\/06\/SWQB_Spanish_CALM-and-Data-Call-PN-060625.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Espa\u00f1ol<\/a><\/p>\n\n\n\n<p>Public Notice extension &#8211; <a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2025\/07\/CALM-and-Data-Call-PN-EXTENDED-07102025.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">English<\/a> &#8211; <a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2025\/07\/SWQB_Spanish_CALM-and-Data-Call-PN-EXTENDED-07102025.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Espa\u00f1ol<\/a> &#8211; <a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2025\/07\/Public-Participation-Plan-2025-CALM_EXTENDED-PUBLIC-COMMENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">PIP<\/a><\/p>\n\n\n\n<\/div><\/div><div class='nmenv_accordion_item level_0'><div class='nmenv_accordion_item_title'><i class='fas fa-chevron-right' aria-hidden='true'><\/i><h3 class=\"wp-block-heading\">Supporting Documents<\/h3><\/div><div class='nmenv_accordion_item_body'>\n\n\n\n<p>Bioassessment (<a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/1_Bioassessment.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">pdf<\/a>) (<a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/biology\/\" target=\"_blank\" rel=\"noreferrer noopener\">website<\/a>)<\/p>\n\n\n\n<p><a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2022\/01\/NMriverBCG_20201208_Final_un-compressed.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Biological Condition Gradient Final Report<\/a> (2020)<\/p>\n\n\n\n<p>Nutrient Assessment (<a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/2_Nutrient-Assessment.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">pdf<\/a>) (<a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/nutrients%20\/\" target=\"_blank\" rel=\"noreferrer noopener\">website<\/a>)<\/p>\n\n\n\n<p>Sedimentation Assessment (<a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/3_Sedimentation-Assessment.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">pdf<\/a>) (<a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/sedimentation\/\" target=\"_blank\" rel=\"noreferrer noopener\">website<\/a>)<\/p>\n\n\n\n<\/div><\/div><div class='nmenv_accordion_item level_0'><div class='nmenv_accordion_item_title'><i class='fas fa-chevron-right' aria-hidden='true'><\/i><h3 class=\"wp-block-heading\">Previous Versions<\/h3><\/div><div class='nmenv_accordion_item_body'>\n\n\n\n<p><a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2023\/08\/2023-CALM_FINAL_all-appendices.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">2023 CALM<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/CALM_2021-FINAL_with_appendices.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">2021 CALM<\/a><\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/1_2019-FINAL-Main-CALM-plus-appendices-190903.pdf\" target=\"_blank\">2019 CALM<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/2_FINAL-2017-CALM_all.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">2017 CALM<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/3_2015_FINAL_AP_062215.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">2015 CALM<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-content\/uploads\/sites\/18\/2021\/09\/4_AssessmentProtocol-w-Appendices-2013.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">2013 CALM<\/a> <\/p><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The&nbsp;Comprehensive Assessment and Listing Methodology (CALM) is how the Department evaluates existing and readily available surface water quality data and other information to determine whether or not surface water quality standards are being&nbsp;attained. Written&nbsp;listing methodologies&nbsp;are necessary to consistently determine whether or not surface waters are meeting their designated and existing uses. Protocols are updated as [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-33","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/pages\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/comments?post=33"}],"version-history":[{"count":36,"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/pages\/33\/revisions"}],"predecessor-version":[{"id":1484,"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/pages\/33\/revisions\/1484"}],"wp:attachment":[{"href":"https:\/\/www.env.nm.gov\/surface-water-quality\/wp-json\/wp\/v2\/media?parent=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}