VerWater
Water supply + wastewater in one workspace

Engineering tools for water & wastewater, built to standards.

6 focused water-supply calculations, ASM1 / ASM2d / ADM1 biokinetic models and complete-input Thai effluent assessment — in one platform.

3,031
automated tests
12
sized treatment units
3
IWA models
$0
today
Open project designerExplore all tools
Design sheet · WW-01Biological treatment train
Complete input
Treatment trainWater supply
Thai PCD
Design basis · 500 m³/dSteady state · 20 °C
INFLUENT

Raw influent

BOD 250

mg/L

BIOLOGICAL

Activated sludge

Sized

engine

EFFLUENT

PCD effluent

BOD 12

mg/L

SOLIDS LINEWAS stream tracked

Flow

500

m³/d

BOD change

250 → 12

mg/L

Assessment

PASS

complete sample

Reference framework

Named sources. Visible scope. Traceable decisions.

06 source families
  • 01
    Thai PCDPollution Control Dept. limits
  • 02
    IWAASM1 · ASM2d · ADM1 models
  • 03
    US EPAWater quality criteria
  • 04
    EU WFDWater Framework Directive
  • 05
    APHAStandard Methods
  • 06
    EffluentBuilding · Community profiles

Engineering workspace

One system, from source to discharge.

Move between water supply, treatment design, water quality and process models without changing products or rebuilding the design basis.

03 / 05

Water Quality

Water Quality Calculator

คำนวณคุณภาพน้ำ

9 modes: BOD5, ultimate BOD, COD, loading, k-rate, temperature correction & Thai effluent assessment.

9 modesOpen
04 / 05

Process Modeling

Process Models

แบบจำลองกระบวนการ

IWA ASM1, ASM2d & ADM1 biokinetic simulators with RK4 integration and convergence evidence.

3 modelsOpen
05 / 05

Wastewater

Aeration Design

ออกแบบระบบเติมอากาศ

SOTR/AOTR oxygen-transfer, diffuser selection, blower sizing & energy cost.

SOTR/AOTROpen
Tool indexStandards reference · unit converter · complete directoryBrowse all

Verification layer

Engineering evidence, exposed.

A result is only useful when its standard, model behavior and validation boundary are visible with it.

3,031checks
in 115 suitesAutomated product and engineering contracts
  1. 01

    Thai PCD First

    Source-specific Thai PCD building and community effluent profiles, with complete-sample gates and official instrument links.

  2. 02

    Convergence-Evidenced Models

    IWA ASM1, ASM2d and ADM1 models report the solver, tolerance, iterations and whether convergence was reached.

  3. 03

    Verified Accuracy

    Reference-backed checks and product contracts run inside 3,031 automated tests across 115 suites.

  4. 04

    Free for Engineers

    Every available calculator, standard, project save and export is free today. No install or credit card is required.

Field applications

Built around the deliverable.

From regulatory assessment to plant design and model-led teaching.

01

EIA Reports

Calculate BOD, COD and run compliance checks against Thai PCD standards for Environmental Impact Assessment reporting.

02

Treatment System Design

Build treatment trains from the 12 unit processes currently backed by the sizing engine, with cost and sludge estimates.

03

Research & Teaching

IWA ASM1, ASM2d and ADM1 simulators with configured ODE integration and visible convergence evidence.

Open engineering workspace

Take the design from first input to documented result.

Every calculator and design tool is free to start — no install, no credit card. Choose a workflow and keep the engineering basis visible.

Water supplyWastewaterThai PCDIWA models
Start with a toolView standards