News | Horizontal Directional Drilling Association

Industry News

Pasadena, Calif. advances $43.8-million utility undergrounding project

Published: 9/10/2026

(UI) — Pasadena Water and Power (PWP) is advancing construction on a $43.8 million project to move overhead utility infrastructure underground along more than 2 miles of Raymond Avenue in Pasadena, California.

Tulsa Rig Iron Launches National Drilling Mud Disposal Database

Published: 7/20/2026

Where Can I Take a Dump?

Every HDD contractor has faced the same question at some point; where can we legally and responsibly dispose of drilling mud from this project?

Tulsa Rig Iron has launched the National Drilling Mud Disposal Database to help HDD contractors find drilling mud disposal locations across the country. The database is free to use and built specifically as a resource for the HDD industry.

HDDA Past President Don Riggs speaks with Underground Infrastructure Magazine

Published: 6/26/2025

Underground Infrastructure Magazine has published in their June 2025 edition a great article about the HDD industry and the focus the HDDA has on making an positive impact! it includes a great interview with HDDA past president Don Riggs.