Danielle Callahan, P.G., M.S., Owner TX PG#15599 & LA PG#1419

Integrity Environmental Geoscience is a professional geoscience service founded on the belief that rigorous science and unwavering integrity are essential to responsible environmental management. Specializing in technical report review, stamped deliverables, regulatory compliance support, and strategic environmental insights, we partner with clients to deliver defensible solutions that protect public health, natural resources, and our shared future. Guided by continuous professional development and a deep respect for the environments we serve, we are building a practice that balances technical excellence with thoughtful, sustainable progress.