• State Standards in Effect for CWA Purposes
• Federally Proposed or Promulgated Standards

State Standards in Effect for CWA Purposes

• [See Water Quality Regulations ]
  (Effective March 15, 2018) State regulation establishing water quality regulations for waters in Nevada. Please note, not all approved provisions are included in this document. See approved revisions below.
  • [See Second Revised Proposed Regulation of the State Environmental Commission LCB File No. R102-16 ]
    (Effective March 12, 2018) Redline/strikeout version of edits to indicate revisions to the WQS document regarding revised recreational water quality criteria.
  • [See Second Revised Proposed Regulation of the State Environmental Commission LCB File No. R109-16 ]
    (Effective March 15, 2018) Redline/strikeout version of edits to indicate revisions to the WQS document regarding revised numeric criteria for alkalinity and turbidity for aquatic life protection and color and total dissolved solids (TDS) for human health.
• [See Requirements to Maintain Existing Higher Quality for Area of Lake Mead ]

Federally Proposed or Promulgated Standards

• 40 CFR §131.36  Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B)

• Water Quality Regulations (PDF)(553 pp, 5 MB)
• Requirements to Maintain Existing Higher Quality for Area of Lake Mead (PDF)(9 pp, 900 K)
• Second Revised Proposed Regulation of the State Environmental Commission LCB File No. R102-16 (PDF)(315 pp, 3 MB)
• Second Revised Proposed Regulation of the State Environmental Commission LCB File No. R109-16 (PDF)(340 pp, 4 MB)