AquaTwinXMember Portal

ONE WATER ENGINEERING PORTAL

Calculate. Simulate.
Decide With Context.

Available interactive toolsTransparent methodsMember-protected design systems

Engineering laboratories for the complete urban water cycle.

Current tools support preliminary analysis and learning. Planned modules will extend the laboratory across water distribution and storage, sanitary-sewer flow and HGL, wet-weather I&I and SSO screening, stormwater runoff and detention, culvert and outfall capacity, reuse balancing, advanced treatment, energy, and lifecycle cost. Planned functions are presented as a development roadmap—not as currently available production capabilities.

AVAILABLE · MEMBER ACCESS

HydroDesign

An integrated Nepal-oriented run-of-river hydropower design environment—from historical hydrology and flood-frequency analysis through headworks, conveyance, penstock transients, turbine-generator selection, powerhouse arrangement, and tailrace design.

Hydrology + uncertaintyHeadworks + sediment controlWater conveyanceHigh-pressure systemPowerhouse interfaceOpen member HydroDesign →
AVAILABLE + IN DEVELOPMENT

Distribution, Pumping & Storage

Demand, pressure, pump, storage, and operating analyses.

PLANNED

Wastewater Capacity

Sanitary flow, HGL, I&I, surcharge, and SSO-risk screening.

PLANNED

Stormwater Hydrology

Runoff, detention, conveyance, culvert, and outfall capacity.

PLANNED

Water Reuse & Treatment

Demand-supply balancing and advanced purification process calculations.

AVAILABLE + IN DEVELOPMENT

Assets, Energy & Lifecycle

Criticality, intervention, energy, and lifecycle-cost comparison.

01 / 05 · INTERACTIVE TOOL

Hazen–Williams Headloss

Preliminary friction-loss screening for pressurized water mains using U.S. customary units.

ESTIMATED FRICTION HEADLOSS2.7 ft

0.66 ft per 1,000 ft

Methodology and assumptions are displayed with results.Preliminary planning use only.
02 / 05 · INTERACTIVE TOOL

Rational Method Peak Flow

Preliminary peak-flow estimate for small drainage areas. Confirm local applicability and design criteria.

ESTIMATED PEAK FLOW225.0 cfs

Q = C × i × A = 0.75 × 6 × 50

Methodology and assumptions are displayed with results.Preliminary planning use only.
03 / 05 · INTERACTIVE TOOL

Pump Power

Estimate hydraulic and input horsepower for a water pump at a defined operating condition.

ESTIMATED BRAKE HORSEPOWER68.8 hp

53.7 water hp at 78% efficiency

Methodology and assumptions are displayed with results.Preliminary planning use only.
04 / 05 · INTERACTIVE TOOL

Asset Criticality Explorer

Transparent screening score for early portfolio discussions; not a substitute for a validated asset-management model.

SCREENING CLASSIFICATIONRoutine

Weighted score: 10.8 of 75

Methodology and assumptions are displayed with results.Preliminary planning use only.
05 / 05 · INTERACTIVE TOOL

Digital Readiness Assessment

Rapid maturity conversation across the six conditions required for durable digital transformation.

CURRENT READINESS STAGEDeveloping

Average maturity: 2.3 / 5.0

Methodology and assumptions are displayed with results.Preliminary planning use only.
TECHNICAL GOVERNANCE

Methods Before Answers.

Prepared and reviewed by: AquaTwinX Technical Team

Last reviewed: August 2026

Calculators are educational and preliminary planning resources. Users remain responsible for confirming equations, units, input validity, applicable standards, and project-specific requirements.