Downloads & Software

Quick Links to Popular Software Packages

HSPF	GenScn
BASINS (via EPA)	HSPEXP

Software Packages Grouped by Client/Agency:

Software available from the Applications page at the Water Resources Division (WRD) of the USGS

HSPF User's Manual (in Windows Help format)
GenScn (see also our GenScn page)
ANNIE A Character-based interactive program designed to help users store, retrieve, list, plot, check, and update spatial, parametric, and time-series data for hydrologic models and analyses. Data are stored in a direct access file called a Watershed Data Management (WDM) file.
HSPEXP (see also our HSPEXP page)
IOWDM A character-based program designed to reformat data to and from a WDM file.
SWSTAT Software for statistically analyzing time-series data. The time-series data are read from a Watershed Data Management (WDM) file. The computed statistics and (or) time series can be written back to the WDM file or to a text file.

Software available from the Office of Science and Technology of the Office of Water of the EPA

HSPFParm Parameter Database for HSPF Water Quality Applications
WinHSPF is now distributed with BASINS
The BASINS home page

Software available from the Center for Exposure Assessment Modeling (CEAM) of the EPA

PRZM-3 Pesticide Root Zone Model (see also our PRZM-3 page)

State of Washington Department of Ecology

WWHM Western Washington Hydrology Model

Complementary Professional Services

AQUA TERRA Consultants maintains close professional associations with a number of complementary consulting firms and clients. We encourage you to visit the following sites:

	CH2M Hill provides expertise in watershed assessments, planning and modeling, public involvement, GIS and database management, bio-assessments, hydrology, hydraulics, hydrogeology, and Best Management Practice (BMP) planning and design.
	Computational Hydraulics, International - specialists in stormwater management activities including developing and supporting software, conducting short courses on stormwater management modeling, and publishing the quarterly newsletter 'SWMM News & Notes'
	HydroGeoLogic, Inc. provides advanced technical consulting services for environmental investigation and remediation, water resource assessment, and numerical modeling and computer simulation. Offers strong groundwater and multi-media assessment capabilities.
	Hydrocomp, Inc.develops and distributes continuous hydrologic simulation software (HFAM) and provides consulting, specializing in hydrologic modeling and analysis.
	Hydroqual, Inc. addresses issues dealing with water quality, Total Maximum Daily Load (TMDL) analyses, floatables pollution, ecological risk assessment, watershed management, marine circulation, thermal discharge plume and mixing zone analyses, water and wastewater treatment, hazardous waste management, and permitting modeling and analysis.
	Eco Modeling develops and applies ecological models, especially the toxic fate and effects model AQUATOX that is being used in risk assessment and TMDL projects for freshwater and estuarine ecosystems.
	Dynamic Solutions, LLC a small, woman-owned firm that specializes in water resource engineering including 1,2 or 3-dimensional hydrologic, hydrodynamic, sediment transport and water quality modeling. Expertise in EFDC, CEQUALW2, and WASP for watershed planning, flood studies, thermal and mixing zone studies, and TMDLs.
	Clear Creek Solutions

Data Sources and Other Useful Links

	King County Department of Natural Resources and Parks This web site provides public access to rainfall, streamflow and other hydrologic data collected at King County, Washington, gage sites.
	The American Association of State Climatologists in conjuction with NOAA offer maps, weather and climate information, and links to related resources are provided for the entire U.S., presented and organized within six geographic sub-regions. NOAA's National Climatic Data Center offers climate data - surface and upper air observations and products generated from these observations.
	PRISM Climate Group offers digital climate maps, including precipitation, temperature, snowfall, degree days, and dew point.
	Earthinfo the leading commercial supplier of environmental data on CD-ROMs. Data sources include NCDC, USGS, EPA, Environment Canada, GHCN, and COADS.
	USGS water data includes real-time water data, historical records of daily streamflow and peak flows for almost 20,000 stations, a collection of high-quality records from the water quality monitoring network, and a suspended-sediment database.
	Watershed and Water Quality Modeling Technical Support Center