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May 2, 2008
The HSPF-based San Diego Hydrology Model (SDHM) has been updated to include a bare soil (dirt) pervious land type. Go to the Software page to purchase SDHM. The SDHM User Manual has also been updated and is free. It can be downloaded from the Downloads page.

March 14, 2008
Doug Beyerlein and Joe Brascher will be teaching San Diego area plan reviewers how to use HSPF and the San Diego Hydrology Model (SDHM) at the Hydromodification Management and Continuous Simulation Hydrologic Modeling for Plan Reviewers seminar, sponsored by APWA. The seminar will be held April 9, 2008, at the Metropolitan Operations Center II, 9192 Topaz Way, San Diego. The cost is $150. For more information and to register please contact Katie Clevenger at Rick Engineering (619-291-0707).

March 13, 2008
WWHM3 PRO GIS price has been reduced from $3500 to $2500. If you already own WWHM3 PRO Basic you can upgrade to PRO GIS for $500. Go to the Software page for more details.

March 10, 2008
The HSPF-based San Diego Hydrology Model (SDHM) is now available for sale from Clear Creek Solutions. Go to the Software page for more details. The SDHM User Manual is free and is available on the Downloads page.

March 7, 2008
CCS writes a reply to TetraTech's review of BAHM. Go to the Home page and click on "Reply to TetraTech's review of BAHM" to read our comments.

March 3, 2008
BAHM Project Book is delayed to make and document infiltration enhancements to the BAHM bioretention element. Expected release date now is mid-April. We apologize for the delay.

January 7, 2008
Curtis Bryan joins the staff of Clear Creek Solutions as Vice President of Technical Services. He is responsible for providing computer support services to clients throughout Western Washington. To contact Curtis call him at 360-943-0304 or email him at

October 26, 2007
BAHM bioretention element freeboard bug fixed. BAHM drawdown calculations bug fixed.

February 26, 2007
Clear Creek Solutions announces the release of the new GIS Import feature for WWHM3. GIS Import automates the project creation process utilizing existing GIS data. GIS Import also include the new Map Explorer that allow the user to easily manage multiple projects on a map display.

November 27, 2006

Welcome to our new website. The site has been totally rebuilt to include many more features. We now support purchasing and downloading WWHM3 directly from our website.

October 12 , 2006

New site layout. More WWHM3 links included.

New Olympia office located at 6200 Capitol Blvd S. Suite F.

September 2, 2006

WWHM3 now available for download. See the SOFTWARE section for details .

August 24, 2006

WWHM3 Project book now available in the BOOKS Section. Price is $140.00 + tax & shipping.
New WWHM3 basic 1/2 day Training courses now scheduled for September 18th and 19th. Contact Beth Sache for pricing and availability.

April 13, 2006

New PRODUCTS section! View all available and soon to be available products offered by CCS. New information onWWHM3 PRO available in PRODUCTS section.
Thanks to everyone who attended the workshop on April 6th.
You can download the latest WWHM v2.6 and maps in the WWHM section (left).

November 10, 2005

Next WWHM2 training workshop is scheduled for December 15. Contact Beth Sachse at AGC of Washington to register.

June 20, 2005

WWHM3 beta released to Department of Ecology for testing. Lots of new features including:
Infinite schematic grid --place as many elements as you want!
Lateral routing --route PERLNDS and IMPLNDs to each other! See WWHM3 page for details.

April 20, 2005

HSPF training workshops now available. Click the "Training" button (above) for details.

April 19, 2005

WWHM featured in May/June 2005 issue of Stormwater Magazine
Read the article here (pdf)

April 13, 2005

WWHM2 Project Book now available. Get your copy today!
Added new section on WWHM2 Workshops.

March 1, 2005

Site Launch. New bios and other information added.
Clear Creek Solutions
6200 Capitol Blvd. Ste. F
Olympia, WA 98501
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