Welcome to NASSCO

NASSCO, the National Association of Sewer Service Companies, is committed to setting industry standards for the assessment and rehabilitation of underground infrastructure, and to assure the continued acceptance and growth of trenchless technologies. So whether you are a contractor, engineer, municipal employee, member of the media or a concerned citizen interested in learning more about the importance of best practices in the underground utility industry - we are glad you are here.

2017 Annual Conference - Naples, FL - February 13-16, 2017

Click here to make your hotel reservations!
The Tentative Program of Events is provided here for reference.

Supplemental Education

Continuing Education for your employees from Health & Safety to Professional Development!


Force Main Prioritization, Inspection, Assessment, and Management

Engineers Turn To Injection Grouting to Stop Sewer Infiltration

Specification Standard Guidelines for CIPP, Manholes and More

Laterals- Assessment, Rehabilitation & Results

Pipeline Assessment & Certification Program

Manhole Rehabilitation: Techs & Specs

Chemical Grouting: Control Infiltration and Sustain Existing Sewer Collection System Assets

Construction Inspection for Trenchless Rehabilitation

Technical Frequently Asked Questions

General Trenchless Technology
Sewer Cleaning
Infiltration Control/Grouting
Specification Guidelines

Liquid Assets- PBS Documentary

Liquid Assets tells the story of essential infrastructure systems: water, wastewater, and stormwater. Click here to view the trailer.

Job Board

Click here to view employment opportunities and other classified ads.


Click to visit IPBA | Click to visit ICGA
Industry Events | Lateral Rehab Paper