Hydrology

Hydrological Assessment and Modelling

Sefcom Environmental Consulting (SEC) delivers hydrology services that quantify surface-water behaviour, water availability, and water quality risks to support project development, operational water management, and compliance.

We apply modern field methods, hydrometric analysis, modelling, and data-driven monitoring to produce defensible, decision-ready hydrological inputs for mining, infrastructure, and industrial projects.

Hydrological Assessment and Modelling

Hydrological Services:

• Surface Water Specialist Studies(baseline assessments, impacts, and mitigations)
• Water Availability & Treatment Assessments(source evaluation, treatment options, fit-for-purpose water)
• Water Quality & Quantity Monitoring(program design, implementation, trend analysis, compliance reporting)
• Hydrographic Surveys & Streamflow Rating(gauging, rating curves, discharge measurements)
• Rainfall–Runoff & Catchment Modelling(Integrated Catchment Water Management, scenario testing)
• Water & Salt Balances(site-wide balances, reconciliation, risk and optimisation inputs)
• Hydropedology Studies(soil–water interactions, infiltration/runoff controls, recharge insights)
• Water Quality Objectives(site-specific objectives, thresholds, and monitoring metrics)
• Flood Modelling(flood volumes, flood lines, hydraulic risk mapping)
• Integrated Water, Stormwater & Waste Management Plans(IWWMP / SWMP integration)
• Water Conservation & Water Demand Management Plans(WC/WDM strategies, targets, and tracking)
• Meteorological and Monitoring Instrumentation and Management