EVS Water is the most affordable water treatment software platform for engineering design, process modelling and predictive compliance.

Developed by engineers for designers, consultants and operators.

Watch Demo Why Choose EVS Water?   Equipment Vendors
Reducing risk in design & operation
70% faster than current methods
Democratizing procurement
As of 06:17:51 today, there have been:
4601 water treatment plants
32983 model results
created by designers!
Risk Aversion

Drag, drop and connect integrated, industry validated models on a flowsheet. Model more scenarios and lock in your design in under a day!


Designer has Version & Change Control where you see every change you or your colleagues made to a design, with a convenient Peer Review Workflow. Try doing that in a spreadsheet!

Virtual Marketplace

Connect with vendors at the time you are sizing and specifying equipment through our RFQ feature. Evaluate numerous equipment options or gather latest innovations from technology vendors with no time penalty to your project. Approve and integrate vendor documents into your deliverables including equipment lists and cost estimates.

Create Flowsheets.

Drag, drop and connect unit operations on a flowsheet, then configure each unit operation to tailor your concept design or begin with typical defaults preloaded into each operation. Configured plants can be matched with any user scenario & shared with other users in your organisation

Create block flow diagrams
Model Scenarios and Feed Streams.

Model Scenarios and Feed Streams.

Create feed scenarios with up to 5 feed streams for use in any of your configured plants. Each stream can be manually entered or your water analysis can be intelligently uploaded directly from a CSV file and balanced by the ion of your choice


Designer cuts down our bid cycle time by helping us lock in a design earlier. We now get our vendor quotation requests out the door earlier, leaving more time to negotiate on a better price.


What are some of the powerful Features of AqMB?

Designer has been created to simplify the design experience on water applications, for users with varying levels of expertise.

Developed by Experts

Competitively priced and developed by engineers with extensive experience in the water sector.

User Friendly

Drag & drop flow sheeting with predefined unit operations and the ability to model multiple feed streams.

Cost Effective

Users can suspend and reactivate their subscription at any time without losing data.


Integrated material balance, equipment sizing, stream properties and speciation modelling in a single package.


Choose to share designs, feed scenarios and model results with company colleagues. Ideal during bid cycle design.

Dedicated Server

Access securely from any machine with an internet connection. No software downloads required

Who is this Software suitable for?

Powerful and Intuitive, Designer caters for all levels of user expertise.

For Students

With the help of the User Guide and pre-configured reference plants, experiment with different feed water scenarios to show the impact of scaling on unit operations.

For Consultants

Compare concept designs more easily against a range of feed conditions. Designer will allow you to explore alternatives and provide better recommendations to your customers.

For Designers

Understand the impact of your design from a speciation chemistry perspective. Anticipate scaling and tailor your designs to improve plant life and availability.

For Operators

Model changing feed water quality and forecast operational adjustments ahead of time to save your equipment or stay compliant. Trial new membranes or small project improvements for plant optimisation.

Plans and Pricing

Plans come with all features enabled to complete your project. Twice the power of the competition for 1/10th of the price. Our pricing plans are flexible and geared to encourage team collaboration on a single design platform. EVS Water will save you time and money.

Single User Subscription
  • Fully featured
  • Suspend Plan Anytime
  • Loyalty Discounts Apply
Company Subscription
  • Fully Featured, Collaborative
  • Easily Add Additional Users
  • Multi-User Discounts Apply
*See our Terms of Use for details. Prices in USD (excl. Australian customers).

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