Eco-Innovation
Smart Sustainable Management of treatment processes: Knowledge-Based or Data-Driven approach?
Giovanni Mappa
Read article
SWaterSmart WasteWater Treatments ModelingCloud-based software ecosystem for wastewater treatment modeling and simulation [ver. 11.5]
Design, verification and simulation
of wastewater treatment processes.
SWater is a cloud-based software ecosystem for modeling and simulating biological wastewater treatment processes. Design, functional verification, process control and performance optimization for treatment plants.
Since 1997 — Eng. Giovanni Mappa
The Product
From process analysis to cloud simulation.
SWater was developed in 1997 from a research project by Eng. Giovanni Mappa, aimed at verifying the functional compliance of wastewater treatment plants, particularly regarding treated effluent quality parameters against legal limits.
The goal is to provide a tool capable not only of sizing and verifying treatment processes, but also of determining their "functional perimeter": the set of parameters defining an area where treatment processes meet discharge limits.
The platform supports design, functional verification of treatment capacity, online process control, and performance optimization, with an integrated approach embracing circular economy, sludge reduction, energy recovery, and resource recovery.
Field-validated models
Over 25 years of refinement on real plants. SWT models have been verified and calibrated on dozens of wastewater treatment facilities across Italy.
Cloud platform
SWT models operate like spreadsheets: input data, output data, and configuration data. Automatic or manual calculation, accessible from any device.
Integrated diagnostics
Biological working area chart with balancing traffic light (green/yellow/red), bar verification charts, algorithm manuals, and report printing.
SWT Models
Calculation models for every treatment process.
Each SWT application is a specialized calculation model for a specific type of treatment process. They operate as cloud worksheets with input, output, and configuration data areas.
How they work
- Cloud worksheets with automatic or manual calculation ("Calculate and Save" button)
- Data areas: INPUT (influent parameters), OUTPUT (results), CONFIGURATION (static parameters)
- Balancing traffic light: Green (balanced), Yellow (unbalanced), Red (unsustainable)
- Biological working area chart, verification bar charts, PDF algorithm manuals and report printing
SWT-CAS
CAS — Conventional Activated Sludge
Conventional activated sludge wastewater treatment with nitrification-denitrification and sedimentation.
SWT-ALT
ALT — Alternating Aeration
Activated sludge treatment with nitrification-denitrification through alternating aeration in a single tank.
SWT-MBR
MBR — Membrane BioReactor
Activated sludge treatment with nitrification-denitrification using membrane microfiltration (MBR).
SWT-IFS
IFS — MBBR / IFAS
Upgrading of activated sludge plants with attached biomass carriers — MBBR/IFAS (Integrated Fixed-Film Activated Sludge) scheme.
SWT-SBR
SBR — Sequencing Batch Reactor
Sequential batch biological nitrification-denitrification treatment for discontinuous flows.
SWT-MXP
MXP — MICROexpert
Diagnostic software for microscopic analysis: troubleshooting of biological treatment efficiency and sludge settleability issues.
SWT-TRF
TRF — Waste & Sludge
Calculation of waste and sludge quantities produced in traditional wastewater treatment plants. Economic valorization.
SWT-FNT
FNT — Fenton AOP
Fenton chemical oxidation pre-treatment (Advanced Oxidation Process) for improving the biodegradability of heavily loaded industrial wastewater.
Insights & Research
Innovation and wastewater treatment insights.
Publications and in-depth articles by Eng. Giovanni Mappa on eco-innovation, Digital Twin technology, industrial IoT, and real-time control of wastewater treatment processes.
Real-Time / IoT
The "Digital Twin" of Wastewater Treatment Plants based on the Functional Perimeter and Industrial IoT
Giovanni Mappa
Read articleReal-Time / IoT
WBFuzzy Control: real-time control of maximum biogas production yield
Giovanni Mappa
Read articleReal-Time / IoT
FENTON Fuzzy-Model Control: automated control system for industrial wastewater compatibility
Giovanni Mappa
Read articleReal-Time / IoT
WPR index (Water Pollution Rate): online water quality control system with soft computing
Giovanni Mappa
Read articleReal-Time / IoT
WDOxy Fuzzy: energy savings through dynamic dissolved oxygen setpoint control
Giovanni Mappa
Read articleEco-Innovation
Digital Twins: Enabling Data-Driven Water Reclamation/Reuse Solutions
Giovanni Mappa
Read articleEco-Innovation
Implementation of Digital Twins at Water Resource Recovery Facility
Giovanni Mappa
Read articleEco-Innovation
DIGITAL TWINS: The Next Generation of Water Treatment Technology
Giovanni Mappa
Read articleEco-Innovation
Water cycle and circular economy
Giovanni Mappa
Read articleEco-Innovation
IWA Digital World Water Congress
Giovanni Mappa
Read articleEco-Innovation
Water Utility Network — Sludge production and management: from challenges to opportunities
Giovanni Mappa
Read articleEco-Innovation
Wastewater treatment: the crucial role of Digital Twin modeling in WWTP operations
Giovanni Mappa
Read articleEco-Innovation
Waste-to-Resources 2021: The Circular Economy Event will be fully digital
Giovanni Mappa
Read articleThe Team
A strategic collaboration for the future of SWater.
Process expertise and software engineering united for a next-generation platform.
In 2026, SWater enters a new phase through the collaboration between Eng. Giovanni Mappa, creator and developer of the simulation models since 1997, and Andrea Vincenzo Abbondanza, founder of ELERIA and software architect with experience in building SaaS products.
This partnership combines Eng. Mappa's deep process expertise — consolidated over 25+ years of work on real plants — with Abbondanza's software design, cloud architecture, and product management skills, with the goal of transforming SWater into a modern, scalable, and market-ready platform.
The revamp includes a complete software architecture rewrite toward a microservices system, a fully redesigned user interface, and the introduction of new analysis and simulation tools.
GM
Eng. Giovanni Mappa
Process Engineering & Models
Engineer and creator of SWT models since 1997, with over 25 years of experience in biological wastewater treatment modeling, tested and validated on dozens of real plants across Italy. SWT calculation models are the intellectual property of Eng. Giovanni Mappa.
Process ModelingWastewater TreatmentPlant DesignCalibration
AA
Founder of ELERIA, computer scientist graduated from Federico II University of Naples. He handles software architecture, cloud infrastructure, platform development, and product business management.
ReactTypeScriptPythonCloud ArchitectureSaaSFlutter
The shared vision
Complete platform rewrite with microservices architecture
Modern, responsive user interface
Preservation and enhancement of the consolidated SWT models
Cloud-native infrastructure for reliability and performance
Expansion into international markets with multilingual support
New ways to access and integrate the models
Clients & Partners
Trusted by water utilities and engineering firms.
Some of the clients and partners using SWT models for the management and optimization of treatment processes.
Contact
Start using SWater for your projects.
For information on subscriptions, personalized demos, or partnerships, get in touch. Our team is ready to help you choose the solution that best fits your needs.
If you have more specific requests or need particular information