INTEGRATED SCIENCE AND WATERSHED MANAGEMENT SYSTEM (ISWMS™)

Real-time, probabilistic flood and low-flow intelligence forecasting and mapping designed for operational decision-making at scale.

Unlike conventional hydraulic modeling workflows, ISWMS™ combines ML-based probabilistic forecasting with rapid mapping, reducing time-to-insight from weeks to hours.

  • Operational forecasts with uncertainty: supports real-time situational awareness and planning (including multi-scenario climate inputs where applicable).
  • Fast, actionable mapping outputs: translates flow forecasts and design flows into flood risk intelligence that can be communicated visually.
  • Built for complex engineering applications: supports infrastructure owners, emergency management, and resource/industrial operators.


Trusted since 1999 — Supporting operations for municipalities, conservation authorities, emergency management programs, and resource sector clients across Canada.

What ISWMS™ delivers

Modern watershed management requires forecasts that are not only timely, but also transparent about uncertainty and easy to act on. ISWMS™ integrates forecasting, hydrologic context, and mapping-oriented outputs to support decisions across flood response, drought/low-flow operations, and long-term planning.

Capabilities:
 
  • Probabilistic flow forecasts — localized, uncertainty-aware predictions
  • Flood and low-flow decision support — real-time operational view
  • Flood-frequency analysis (FFA) — return-period design flow context
  • Map-ready risk intelligence — web-ready visuals and decision outputs


Current platform capabilities



ISWMS™ v3 (Operational) — Machine-learning flow forecasting + FFA
 
  • Incorporates a Temporal Fusion Transformer (TFT)-based machine-learning model to generate hydrometric flow forecasts across North America.
  • Trained on an extensive archive of flow measurements from thousands of gauging stations, integrating:
    • real-time hydrometric observations
    • climate inputs
    • catchment characteristics
  • Produces localized probabilistic flow predictions to support operational decisions.
  • Includes Flood-Frequency Analysis (FFA) functionality to derive return-period basin flows, enabling both real-time forecasting and long-term hydrologic design context. 

See ISWMS™ v3 video (with audio)

ISWMS™ v5 (Prototype / Pilot) — Rapid hydraulic flood mapping with LiDAR-informed modeling
 
  • Addresses a common gap: many regions lack up-to-date, decision-ready flood maps due to the cost and time required for conventional hydraulic modeling.
  • Adds a computationally efficient hydraulic flood mapping approach designed to translate forecasted/design flows into inundation extents that can be rendered in web-based map products.
  • Evaluated using a LiDAR-based open-source mapping database and assessed against a calibrated, validated, professionally sealed hydraulic model for a real river system context.


Validation and quality assurance



Validation highlights:
 
  • Where validated: Mattagami River system / City of Timmins, Ontario
  • Compared against: Calibrated, validated HEC-RAS 1D model sealed by a professional engineer
  • Events tested: 25-, 50-, and 100-year return period floods; Timmins Storm (regulatory) flood event
  • How evaluated: Flood extent comparison using 9 statistical performance measures
What this means for users: Confidence-aware outputs and decision support—not just a single deterministic line.

Limitation acknowledgment: Forecast skill varies by basin data availability and climate input quality. ISWMS™ outputs are decision-support tools and do not replace site-specific engineering assessments where required.





Applications

Resource and industrial operators (mining, oil sands, etc.)
  • Operational risk management for flood/erosion susceptibility affecting facilities, access routes, and site infrastructure.
Utilities + hydropower
  • Flow prediction for operational planning, asset protection, and optimization of hydropower operations.
Emergency management + public safety
  • Flood early warning and operational response support for vulnerable communities, including flood-prone settlements and remote regions.
Infrastructure owners and corridors
  • Risk intelligence for:
    • Wastewater treatment plants impacted by floodplains (including CSO storage/overflow contexts).
    • Road/bridge crossings and culverts supporting asset management programs.
    • Transportation corridors susceptible to flash flooding.
    • Pipeline/telecommunications crossings affected by erosion and extreme flows.
Consulting and planning
  • Support for environmental assessment planning and design for corridors and facilities; technical inputs that support stakeholder engagement contexts where required.


Deployment and governance
 
  • Designed to support operational usage with monitoring and controlled access.
  • Supports defensible workflows by documenting inputs, assumptions, and uncertainty.


To explore how ISWMS™ supports operational flood and low-flow decision support, contact us or request a demonstration.
 

Updated: January 7, 2026
Greenland International Consulting Ltd.



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Client Testimonials

Town of Innisfil

I would like to congratulate Greenland Consulting Engineers on winning the 2012 Consulting Engineers of Ontario Environment Award of Excellence. The award recognizes your work on the Nottawasaga Pines Secondary School construction project with the Simcoe Country District School Board. This is a well deserved honour and is a reflection of both the caliber of your work and your team.

I continue to be impressed with your company’s commitment and innovation in the field of sustainable development. You have set an excellent example for others throughout Simcoe County  and the Province of Ontario.

John Skorobohacz
(Former) Chief Administrative Officer
The Corporation of the Town of Innisfil

May 1, 2012
 

Six Nations Council

On behalf of the Environment Office of the Six Nations of the Grand River, we would like to thank Greenland International Consulting Limited for the work completed to prepare the Master Drainage and Flood Remediation Plan (MDFRP) for the McKenzie Creek watershed. This plan has now enabled our office to identify the flood prone residences throughout the watershed with the flood plain mapping that has been prepared as part of this assignement. We appreciate the role that Greenland has played in assisting our office in directing Public Works with prioritizing the remedial projects to be completed in the flood prone areas. 

We also appreciate Greenland's effort in assisting the Six Nations of the Grand River with the preparation of funding applications to secure the resources to complete these remedial works. We are convinced that this MDFRP can be used as a template for completing similar drainage and flood remediation works both locally and in other First Nations lands. 

We look forward to working with your company again in the near future on the remaining watersheds that need this important work done. 

Thank you for your ongoing assistance. 

Clynt King 
Environmental Technician 
Six Nations Council Environment Office 

July 25, 2016
 

Town of Penetanguishene

As Director of Public Works for the Town of Penetanguishene, I would like to extend my appreciation to Greeland Consulting Engineers for providing exemplary contract administration and construction inspection services for the Penetang Main Street Reconstruction Project. 

The Main Street reconstruction was a huge undertaking for the Town which consisted of: the full reconstruction of 1.4 km of roadway including widening for improved land widths, on-street parking, storm sewer replacement, watermain and sanitary sewer replacement, as well as landscaping and lighting improvements to better serve businesses and residents. The project included significant logistical challenges with respect to the coordination of public access for businesses, and providing workable upgrades to exisiting infrastructure under difficult site constraints and a tight time line. 

As the Contract Administrator and on-site Construction inspector, Greenland always maintained open lines of communication between the Town, Contractor, affected businesses and residents, and promptly, responded to all questions and issues raised by the Contractor, the Town and the public. Greenland's attention to detail throughout the assignment helped ensure the project was completed on-time and under budget. 

Bryan Murray, P. Eng
Director of Public Works
Town of Penetanguishene

February 12, 2019
 

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