Understanding the Challenges

Knowing "Which Equipment Discharges What": Multiple Sources and Incomplete Data 

Discharges often originate from several units (processes, utilities, workshops, equipment, stacks, etc.). Without a clear source inventory and structured characterization, it becomes difficult to identify the main contributors, prioritize actions, and demonstrate overall discharge control.

Compliance: Variable Requirements and Risk of Exceedance 

Requirements for effluents and atmospheric emissions can vary by sector, location, and existing authorizations. Without representative measurements, rigorous interpretation, and regular monitoring, organizations are exposed to exceedances, costly corrective measures, and authorization delays.

Choosing the Right Solution: High-Performance, Realistic, and Optimized Treatment 

Optimizing an industrial water treatment system (or adjusting emission parameters) must balance performance, cost, footprint, operations, and load variability. Without a technical diagnosis and proper testing/analysis, there is a risk of implementing over-engineered, ineffective, or difficult-to-operate solutions.

HDS Provides Proven Solutions

Source Inventory and Discharge Characterization (Air and Water) 

HDS conducts source inventories and characterizes effluents and atmospheric emissions from industrial sites. This step provides a reliable profile of discharges, identifies dominant sources, and helps structure an action plan based on hard data. HDS regularly prepares and submits National Pollutant Release Inventory (NPRI) and Quebec Atmospheric Emissions Inventory (QAEI) reports on behalf of its industrial and institutional clients.

Compliance Assessment and Understanding Transport/Attenuation 

We analyze discharge quality (e.g., compliance with CMM Bylaw 2008-47) and, when required, model the transport and attenuation of contaminants (water-air-soil) to support risk analysis or environmental compliance evaluations. Findings are translated into clear observations and prioritized recommendations.

Design, Evaluation, and Optimization of Industrial Water Treatment Systems 

HDS designs, evaluates, and optimizes industrial wastewater treatment systems while considering operational constraints and discharge objectives. Our approach focuses on pragmatic solutions: performance improvement, load reduction, operational stabilization, and cost optimization (CAPEX/OPEX).

Achievable Gains with HDS

Clear Discharge Profile and Efficient Decision-Making 

Robust inventory and characterization allow you to quickly understand critical sources, eliminate guesswork, and prioritize high-impact actions. You gain efficiency and predictability in discharge management.

Reduced Non-Compliance Risk and Enhanced Operational Control 

By comparing results against applicable requirements and implementing targeted corrections, you minimize exceedances and emergencies. This strengthens daily compliance, secures operations, and facilitates interactions with authorities.

Optimized Treatment: Increased Performance and Better Cost Control 

Optimizing industrial water treatment systems improves performance and stability while avoiding over-dimensioned solutions. The result: fewer surprises, better operational reliability, and more effectively managed operating costs.

Service Information Sheet

Inventory of emission sources, characterization of effluents and atmospheric emissions, design, evaluation and optimization of industrial water treatment systems.

Typical Activities

  • Assessment of effluent quality and air emissions from industrial sources.
  • Modeling of contaminant transport and mitigation (water-air-soil) for risk analysis or assessment of compliance with environmental requirements.
  • Design and optimization of industrial wastewater treatment systems.

Some Relevant Projects

  • Characterization of aqueous releases and air emissions, including contaminant dispersion modeling, for many industries, including mining, metal processing, chemical manufacturing and management hazardous/residual wastes in Quebec.
  • Evaluation and optimization of the wastewater treatment system in various manufacturing industries in Quebec.
  • Inventory of stationary sources (kettles, generators, sandblasting plants, paint shops, welding workshops, etc.) and mobile sources (trucks, cars, mobile generators, etc.) of atmospheric emissions, including an estimate of releases of contaminants (volatile organic compounds, nitrogen oxides, sulfur oxides, etc.) to determine compliance with potentially applicable releases standards and a carbon footprint in some forty federal installations in eastern Quebec.
  • Modeling of contaminant transport and mitigation in the context of risk analysis of a former chemical plant in Shawinigan, an old railway complex and a metal processing plant in Montreal.
HDS Environment supports you in your operational, regulatory, and environmental challenges.

Our Services

Combining environmental expertise and industrial hygiene, HDS supports companies in the proactive management of risks and compliance. We protect your personnel and facilities through cutting-edge expertise and personalized guidance.