Water Simulation

From the EPA web site:
EPANET is used in homeland security research to model contamination threats to water systems. Historically, EPANET has been limited to tracking the dynamics of a single chemical transported through a network of pipes and storage tanks. EPANET did not consider interactions between bulk species in the water or the surface species [...]

Armando Barreto, a student at the University of Arizona, wrote me about his new free tool will extract geometric data contained in ESRI-shape files into EPANet INP files. shp2epa was designed with an interface similar to dxf2epa for a familiar feeling for the user.

News from Manuel López-Ibáñez:
Version 1.4 of EPANET Toolkit for GNU/Linux has been released on 27 June
2006.
This version of EPANET Toolkit is an adaptation of the original EPANET Toolkit version 2.00.10 to GNU/Linux with additional bug fixes and improvements. Nevertheless, source code should compile even on Windows environments (as it has been reported by some users). [...]

optiUnits (beta) is a freeware tool that will allow the user to convert an EPANet model from one set of units to a different one.

Usage:

Export your model from EPANet to an INP file.
Run optiUnits.
Click the File button and select the INP file.
From the drop-down box, select the unit set that you want to convert [...]

Manuel López-Ibáñez, who adapted the EPANET Toolkit version 2.00.10 to GNU/Linux, posted a note that it is possible to run the EPANET GUI in Linux.
This is done be using the GNU/Linux program called Wine HQ that can run Win32 executable files in Linux (and maybe in FreeBSD and SUN’s Solaris).
Please, check Wine documentation for more [...]

ATS-Chester developed an interface to link EPA’s EPANET software with ESRI’s ArcGIS® software (it seems that it is an old version).

Applications:

Water system modeling
Water quality management
Facility planning
GIS integration
User-friendly modeling

Features:

Developed using ESRI’s latest ArcObjects technology.
Adds a new toolbar to ArcGIS standard interface.
Allows you to create and edit your EPANET model from inside GIS.
Provides a synchronization tool to [...]

With WebEPANET you can build an EPANET INP file on the web, run the model, see the map and even see the results.
I’m not sure if anyone will find it useful
See an example here or try it yourself here.

A new release of the DC Water Design Extension is available from:
http://dcwaterdesign.sourceforge.net
The DC Water Design Extension is a free ArcView 3.x extension that integrates EPANET with ArcView.
The changes:
* Bug fixes especially to the start menu links
* Three new functions: Split Model, Merge Model, Extract Model

I have mentioned the EPANET toolkit several times before but didn’t post any information about it yet. The following info is from the toolkit readme file:
EPANET is a program that analyzes the hydraulic and water quality behavior of water distribution systems. The EPANET Programmer’s Toolkit is a dynamic link library (DLL) of functions that allows [...]

Back in May 2001, Lewis Rossman, author of EPANET, released a small utility to convert dxf files to EPANET format. After a little time he announced that the EPA will not continue to distribute and support the utility.
A few days ago I found the file in my old computer and thought that people may find [...]