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CAHM for Santa Cruz County
CAHM for Santa Cruz County
Our Price: $400.00


Description License Details Extended Information
The California Hydrology Model - Hydro Modification Program (CAHM) has been created to size stormwater detention and water quality facilities for any/all California Counties.

CAHM has many features:
  • US-EPA HSPF computational engine
  • Includes long-term precipitation data for each selected County
  • Includes new and improved elements
  • Includes GIS Import and WDM Maintenance
  • Improved charts for analysis
  • Works with Windows XP,  Vista, and Windows 7

CAHM is a custom version of WWHM4 with these differences:
  • purchased for one county at a time.
  • each county includes one or more precipitation gages to choose from.
  • several PERLND Parameter files are included to choose from.
  • is free to municipalities (see below).
  • does not include the CAD Pond, SWMM or Hydraulic elements.
  • does not include the LID Toolbox (at this time).
Requires Activation to unlock all features and edit project settings.

Free to Municipalities
See the instructions under "License Details" or send an email to to receive a link to download the software.

Clear Creek Solutions
6200 Capitol Blvd. Ste. F
Olympia, WA 98501
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