Stormwater Design Standards

Standards for Design and Construction

The “trigger” for requiring compliance with the Basic Requirements of storm sewer standards for design and construction is 10,000 square feet or more of developed/impervious area.

More information on stormwater standards can be found in the City of Kalispell's Standards for Design and Construction (PDF) Chapter 8 Storm Sewer System.

Additional Resources

  1. MDT Erosion and Sediment Control Best Management Practices Manual (PDF)
  2. Montana Department of Environmental Quality Stormwater Management During Construction Field Guide for Best Management Practices (PDF)
  3. Montana Post-Construction Storm Water BMP Design Guidance Manual (PDF)