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Product Overview

Drinking Water

Ensure safe drinking water, balance compliance with both DBP and microbial regulations and achieve cost savings with WatPro.

WatPro uses the EPA-developed CT approach to calculate chemical inactivation of Giardia and viruses while simultaneously estimating formation of DBPs. Using raw water quality parameters such as pH, TOC and SUVA, chemical dosages (e.g., alum, ferric chloride, lime , ammonia) and design and operating characteristics of process tanks, WatPro accurately simulates plant operation.

WatPro has a user-friendly interface that allows a schematic of the water treatment plant to be easily configured within minutes.


Benefits List
  • Optimize water treatment processes
  • Minimize DBP formation
  • Ensure effective disinfection
  • Increase consumer confidence
  • Reduce expensive lab and pilot studies
  • Potential savings on disinfectant costs
  • Improve operator skills
  • Respond to changing water quality
  • Evaluate process changes
  • Facilitate regulatory changes

Inactivation of E. Coli Bacteria


WatPro can show whether pathogenic bacteria like E. coli 0157:H7 have been adequately inactivated in a water treatment plant. For an uninterrupted primary disinfectant dosage rate, WatPro tracks the inactivation of viruses and Giardia by disinfectant addition. Because fecal coliform bacteria are inactivated by disinfectants to a greater extent than viruses, the log reduction of bacteria like E. coli will match or exceed the reduction for viruses calculated by WatPro. The simulator also determines the Ct disinfection parameter at any location in the treatment plant.



Typical Uses

  • Minimize formation of DBPs (e.g. THMs, HAAs, chlorite, chlorate).
  • Compare inactivation of viruses and Giardia by chlorine, ozone, chlorine dioxide and chloramines.
  • Calculate Ct for any location in the treatment system.
  • Optimize plant operation by allowing chemical addition points to be varied or by tank baffling.
  • Estimate treated water quality for a proposed change in plant operation.
  • A highly effective education and teaching tool.
Air Emissions

Easy-to-Use yet Powerful

User-friendly Interface - It's easy to define complex treatment plant configurations, run simulations and analyze results.

Comprehensive Library of Mathematical Models - All of the commonly used treatment processes are included, as well as many other useful tools to make replicating your plant a breeze.

Advanced Features - WatPro provides you with helpful analytical tools including sensitivity analysis and site-specific calibratable chemical reaction rates (e.g. chlorine decay).

Unsurpassed Support

Tech Support

WatPro has become the modeling software of choice for the industry because of the responsive technical support, detailed reference documentation, and regular updates.

Phone, email and internet meeting channels provide instant support to clients.