Understanding Sediment Risk to Support Defensible Remediation Decisions

What Problem TIGSED Helps Solve

Contaminated sediment sites involve complex, evolving conditions where cleanup decisions carry long‑term cost and liability risks. TIGSED provides a science‑based, scenario‑driven understanding of sediment behavior to support more informed remediation strategies.

How TIGSED Creates Value for Clients

TIGSED simulates contaminant transport within sediment systems, allowing teams to evaluate how contamination behaves over time and under different remediation approaches. It supports side‑by‑side comparison of MNR, EMNR, capping, and dredging strategies while accounting for site variability and uncertainty.

Benefits

Targeted Restoration

Identify and prioritize high-impact floodplain reconnection opportunities.

Scenario Testing

Compare outcomes of levee setbacks, grading, and flow diversions.

Quantified Benefits

Measure changes in inundation, habitat, and groundwater recharge.

Decision Support

Inform planning with consistent, data-driven metrics

Scalable

Evaluate both site-specific and reach-scale restoration scenarios.

Services

Contaminant Transport Modeling
Environmental Mitigation
Forensic Source Attribution
Recontamination Risk Evaluation
Remediation Strategy Assessment
Risk and Sensitivity Analysis

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