H2OMAP Water is sunsetting and no longer available for purchase. The good news is that InfoWater is available, easier to use and easily imports H2OMAP models. Contact us to learn more!

Efficiently and Easily Analyze Your Water Distribution System Performance

H<sub>2</sub>OMAP Water


H<sub>2</sub>OMAP Water - click to enlargeBuilt using advanced Object-Oriented Geospatial Component model, H2OMAP Water provides the most powerful and practical GIS platform for water utility solutions. As a stand-alone GIS-based program, H2OMAP Water combines spatial analysis tools and mapping functions with sophisticated and accurate network modeling for complete infrastructure (asset) management and business planning. It performs fast, reliable and comprehensive hydraulic and dynamic water quality modeling, energy management (with true variable speed pumping), real-time simulation and control with on-line SCADA interface, complete fire flow analysis, and unidirectional flushing. The program can also be effectively used to analyze pressurized sewer collection system.

H2OMAP Water fully supports geocoding and multiple mapping layers which can be imported from one of many data sources including Computer-Aided Design (CAD) drawings (e.g., dwg, dgn, dxf), CAD world files, standard GIS formats (Shapefiles, Generate files, MID/MIF files, and ArcInfo coverages), Vector product format (vpf) files, Spatial Database Engine (ArcSDE) Layers, attribute tables, grid data, image files, ODBC, and Comma Separated/Delimited Text (CSV) files. The program also supports the new geodatabase standard of ArcGIS through an ArcSDE connection.


H2OMAP Water Multi-Species eXtension (MSX)

H2OMAP Water MSX (Multi-Species eXtension) adds very powerful modeling capabilities including the unprecedented ability to accurately model multiple interacting contaminants (using water quality components rather than contaminants) as well as sediment deposition and re-suspension in drinking water distribution systems. H2OMAP Water MSX allows users to model very complex reaction schemes between multiple chemical and biological species in the water distribution piping system, both in the bulk flow and at the pipe wall. This structure gives users the flexibility to accurately model multi-source, multi-quality systems and a wide range of important chemical reactions including free chlorine loss, formation of disinfection byproducts, nitrification dynamics, disinfectant residuals, pathogen inactivation, chloramine decomposition, and adsorption on pipe walls.

While there are a number of commercially available programs for modeling the hydraulic and water quality behavior of drinking water distribution systems, their water quality component is limited to a certain number of fixed kinetic models, and to tracking the transport and fate of a single chemical species, such as fluoride or free chlorine. H2OMAP Water MSX can effectively model any system of multiple, interacting chemical species. In addition, the program allows users to input any mathematical models of physical, chemical, and biological reactions in the bulk water and on pipe surfaces. It also accepts any number of user-specified (adding water quality) parameters and formulas for process models.

H2OMAP Water MSX lets users specify the mathematical expressions that govern the reaction dynamics of the system being studied. This allows users the flexibility to model a wide range of chemical reactions of interest. Examples include:

• the auto-decomposition of chloramines to ammonia,
• the formation of disinfection by-products,
• biological re-growth including nitrification dynamics,
• combined reaction rate constants in multi-source systems, and
• mass transfer limited oxidation-pipe wall adsorption reactions.

Particle Transport and Deposition

H2OMAP Water MSX can also be effectively used to track the movement, fate and build up of particulate material in the water distribution system. It considers both settling of particles under gravity as well as deposition of particles on the pipe walls due to particle/pipe surface attractive forces. This feature can greatly assist water utilities in improving distribution design to minimize dirty water and forge closer ties with their customers.

Water Temperature Modeling

Another powerful and unique feature of H2OMAP Water MSX is its critical ability to accurately simulate spatial and temporal variations in water temperature and temperature gradients throughout any water distribution system. This gives water utilities unprecedented power to model temperature dynamics within their distribution systems for improved thermal design and operation and optimal safeguarding of public health.

Maintaining a safe and comfortable temperature range (e.g., between 4 to 11 degrees C) in drinking water distribution systems throughout the year is a growing concern for water utilities worldwide. Temperatures outside the normal range can cause a significant discomfort to customers during both extremely hot and cold months. In addition, temperature directly and indirectly affects all the factors that govern microbial growth. It therefore influences treatment plant efficiency, microbial growth rate, disinfection efficiency, dissipation of disinfectant residuals, corrosion and metal release rates, maintenance and chemical additive costs, and distribution system hydraulics and water velocity created by customer demand. H2OMAP Water MSX enables users to model very complex heat transfer mechanisms between the water in the distribution pipes and the ambient environment. It directly considers the influence of ambient temperature, wall material and thickness, flow conditions, buried depth, and other pertinent variables that determine how much heat will intrude into the water in the distribution pipes. Ambient temperature can be the air temperature of the upper cover (soil, grass and pavement), and can be described as either a constant or a time-varying pattern.

H2OMAP Water MSX  gives water utilities the vital ability to maintain a relatively constant water temperature in their drinking water distribution systems within a desirable range and help them optimize their overall treatment and distribution processes and improve customer satisfaction.

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