Tailings Survey & Sampling

Construction site with excavated dirt hills, a body of water at the foreground, and equipment including pipes, tape barriers, and surveying tools.

Measure & Map Tailings Before You Dredge, Budget, or Report

Know how much material has accumulated, where it is located, and how much storage capacity remains.

Tailings Sludge Volume & Capacity

Representative sampling to support dry tonne calculations, disposal planning, engineering assessments, and project scope.

Tailings Sampling & Characterization
3D Bathymetric & Surface Modelling

Survey-grade mapping of pond bottoms and sludge surfaces for engineering review and maintenance planning.

Decision-ready reports with maps, calculations, and visualizations for audits, budgeting, contractors, and regulatory documentation.

Compliance Reporting

For tailings ponds and tailings storage facilities, our work can support:

  • Tailings sludge volume measurement

  • Tailings pond capacity assessment

  • 3D surface modelling

  • Bathymetric profiling

  • Sludge blanket mapping

  • Tailings sampling

  • Dry tonne and volume calculations

  • Dredging and removal planning

  • Engineering review and safety documentation

  • Long-term monitoring and asset management

Why Tailings Sludge Surveying Matters

Tailings storage facilities change continuously. Sludge accumulation, sediment deposition, and changing pond geometry can reduce storage capacity, affect operational planning, and increase uncertainty during engineering reviews.

Without current survey data, decisions are often based on historical drawings, estimates, or assumptions.

Hydrasurvey provides independent measurements that allow operators to plan maintenance, support engineering studies, prepare dredging programs, and manage tailings assets with greater confidence.

What Our Tailings Surveys Help Answer

A Hydrasurvey tailings survey can help your team understand:

  • How much sludge or sediment is present?

  • Where is accumulation most severe?

  • How much usable capacity remains?

  • What volume should contractors price against?

  • What areas should be prioritized for removal or maintenance?

  • Are past estimates or drawings still reliable?

  • What data is available to support engineering or audit review?

View of a tailings pond during a Hydrasurvey Sludge Survey

Tailings Sampling

Tailings sampling provides physical information about the material below the surface. Samples can support planning around material characteristics, disposal considerations, dry tonne calculations, and project requirements.

Sampling can be combined with sludge mapping and bathymetric survey data to provide a clearer technical picture of the tailings pond or storage facility.

Person holding a sludge measurement device over a tailings pond
A tailings pond in Northern Alberta getting a Hydrasurvey Sludge Survey
Field Technicians on an inflatable work boat conducting a sludge survey and collecting sludge samples using a sludge sampler built by Hydrasurvey

Safety & Contractor Compliance

At Hydrasurvey, safety is fundamental to every project we undertake. Our crews operate in challenging environments, including tailings storage facilities, wastewater lagoons, industrial ponds, and remote engineered water bodies. We are committed to maintaining the highest standards of safety, compliance, and operational excellence.

COR Certified Safety Program

Hydrasurvey maintains a Certificate of Recognition (COR) safety program, demonstrating our commitment to a comprehensive health and safety management system. Our COR certification reflects ongoing training, hazard assessment, risk management, and continuous improvement to help ensure every project is completed safely and responsibly.

ISN® Member Contractor

Hydrasurvey is an ISNetworld (ISN) registered contractor, allowing us to meet the contractor prequalification requirements of many mining, industrial, energy, and infrastructure clients. Our ISN membership provides clients with confidence that our safety performance, insurance, training, and documentation are maintained and independently verified.

ComplyWorks Registered

We are also registered with ComplyWorks, helping simplify contractor qualification and compliance for organizations that require verified health, safety, environmental, and insurance documentation before work begins.

Safety You Can Rely On

Whether working at active mine sites, industrial facilities, municipal infrastructure, or remote locations, Hydrasurvey arrives prepared to meet site-specific safety requirements. Our team works closely with clients to ensure all documentation, orientations, permits, and safety procedures are completed before mobilization, allowing projects to proceed efficiently and safely.

When to Call Hydrasurvey

Contact Hydrasurvey when you need to:

  • Establish a current tailings sludge baseline

  • Prepare for dredging, desludging, or removal

  • Support annual review or safety audit documentation

  • Understand remaining pond or facility capacity

  • Give engineers, contractors, or stakeholders better data

  • Compare conditions over time

  • Reduce uncertainty before budgeting or tendering

Measure What Matters Below the Surface

Before your next tailings management, dredging, budgeting, or engineering decision, understand what is actually below the surface.

Hydrasurvey delivers independent tailings sludge surveys and sampling that reduce uncertainty and provide the data needed for confident decision making.

Contact Hydrasurvey to discuss your tailings pond, tailings storage facility, or engineered water system.

Tailings pond in Alberta drone imagery during a hydrasurvey sludge survey
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