Clean water: GIS maps

Water Quality Control Division (WQCD) GIS data

Get an account for eRAMS access

Start eRAMS work by creating an account on the eRAMS website.

CDPHE eRAMs Module

(An eRAMs account is not required to use this module.)

Includes CDPHE tools for:

  • Low flow analysis.
  • Regulation 85 data analysis.
  • STORET data.
  • Stream segmentation database.
  • Fish monitoring sites.

Watershed Rapid Assessment Program (WRAP) - Interactive map

This tool is used to extract, organize, and analyze data and information.

Organized by watershed HUC codes:

  • HUC12.
  • HUC10.
  • HUC8.

You can view:

  • Geospatial characteristics.
  • Water quantity.
  • Water quality.

Found an error?

If you you’ve found an error in the data of the water quality standards, please contact us with these details:

  • GEOID of the segment.
  • Cycle year of the segment.
  • WBID of the segment.
  • Potential correction.

​All corrections will be reflected on the next integrated report cycle.