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WWHM3 Latest Update: 01/23/2013

Note: As of this update, results using Vertical Notch will be slightly different due to enhancement of the Vertical Notch equation.
WWHM3.msi Basic (Free version)
WWHM3Pro.msi Pro and Pro GIS Versions - requires Activation Key to enable all features
WWHM3 AllMaps
Western Washington County maps (Windows XP and Vista compatible)
(Please use the .msi version of Allmaps_ww for Vista)
Allmaps_ww.msi includes all 19 Western Washington Counties and SPU (Seattle Public Utilities)
Allmaps_ww.exe includes all 19 Western Washington Counties and SPU (Seattle Public Utilities)

WWHM4 Latest Update: 04/14/2017
Notes:
WWHM4 requires Activation (via phone or internet) to enable all features.
You must have a current Annual Product Support to receive software updates.
WWHM4 Program
wwhm4.msi Current program

WWHM4 Allmaps
Allmaps_ww.msi includes all 19 Western Washington Counties and SPU (Seattle Public Utilities)
National Data files National wdm files for WWHM4
Allmaps_2012pro.msi includes all 19 Western Washington Counties for WWHM2012



WWHM2012 ( DOE Version ) Latest Update: 04/14/2017

Notes: This program is currently under review by Washington State Department of Ecology.
WWHM2012 Program
wwhm2012.msi Basic program (Free Version)
WWHM2012 Allmaps
Allmaps_2012.msi includes all 19 Western Washington Counties and SPU (Seattle Public Utilities)
WWHM2012 User Manual (pdf)

WWHM2012 Change Log
WWHM2012 ( Commercial Version )

Enables Commercial Elements in WWHM2012.
DOE does not endorse any commercial products.

Download and place this file in the Data directory as follows:

Windows XP: C:\Documents and Settings\All Users\Application Data\WWHM2012\data
Windows 7, 8, 8.1 : C:\ProgramData\WWHM2012\data


BAHM2013 ( Bay Area Hydrology Model 2013 )

bahm2013.msi includes Alameda, San Mateo, and Santa Clara Counties.

manual.pdf Bay Area User manual

New version works on Windows XP, 7, 8, 8.1.

SAHM ( Sacremento Hydrology Model )

Please visit the Sacremento Stormwater Quality Partnership website at

http://www.beriverfriendly.net/Newdevelopment/



SDHM 3.1 ( San Diego Hydrology Model )

sdhm31.msi San Diego Hydrology Model 3.1


07/22/2017 - SDHM User Workshop Morning Session May 2017.pdf
07/22/2017 - SDHM User Workshop Afternoon Session May 2017.pdf
SOHM ( South Orange Hydrology Model )

Note: SOHM does not require Activation to enable all features.
sohm.msi Latest version of SOHM
The South Orange County model includes South Orange County map and Preciptation data.
This model will only function for projects using the South Orange County map.
WWHM3 Basic (Free Version) from Washington State website
Previous Versions
WWHM2 Basic Free Version
WWHM2
AllMaps