Department of Environmental Quality

Water Quality Information

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Permitting & Compliance
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2004 Subdivisions Review Forms & Checklists

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Application Forms, Checklists and Guidelines

Environmental Assessments

Circulars

MT Rules and Statutes

Pharmaceuticals, Personal Care Products, Endocrine Disruptors (PPCPs) and Microbial Indicators of Fecal Contamination in Ground Water in the Helena Valley, MT, USA--Presentation

Helena Valley Ground Water: Pharmaceuticals, Personal Care Products, Endocrine Disruptors (PPCPs) and Microbial Indicators of Fecal Contamination--Manuscript

Text of Related Rules: Circular DEQ 4 - MT Standards for On-Site Subsurface Sewage Treatment Systems, 2004 edition

Effective 8/15/03: Amendment of ARM 17.36.340 Minimum lot size rule; Official Replacement Pages

DEQ/Local Government Joint
Application Form

Complete Application Package (includes all of the following documents in print-only format)
Guidance & Instructions
Application Part I - General Description & Information
- Print and complete by hand OR
- Complete onscreen, then print
Application Part II - Required for Approval under Sanitation in Subdivisions Laws
Application Part III - Required for Environmental Assessment under the Subdivision & Platting Act
Application Part IV - Subdivision Checklist

Checklists and Calculations

Municipal Facilities Exclusion Checklist - Formerly called Master Plan Exclusion
- Print and complete by hand OR
- Complete onscreen, then print
Significance Determination Checklist
(For Department use only)
Subdivision Review Fee Calculation
(For Department use only)
Environmental Assessment Checklist
Nitrate Calculation Sheet
Nitrate Calculation Sheet - Includes option for calculating cumulative effects
Phosphorus Calculation Sheet