Leading the way in environmental infrastructure maintenance

National Water Main Cleaning has been providing superior service to the northeast for decades. As one of the Carylon companies, we have the resources and expertise to successfully complete even the most demanding projects safely, on time, and on budget.

Browse below to see some examples of our past performance.

CIPP Sewer Rehabilitation

  • Digital TV Inspection
  • Sewer Cleaning
  • Vacuum Excavation

Bio-Nomic Services and National Water Main Cleaning (Boston) teamed up to bid and perform this project outside of Charleston, South Carolina […]

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Enfield Bridge Rehabilitation

  • Spincasting

National Water Main Cleaning Co. was selected to centrifugally cast AP/M Permaform PL 8,000 to a 11′ wide and 7′ tall CMP for 190 LF. NWMCC filled in by hand 2″ deep x 8″ wide corrugation then spin casted a 2″ thick liner on top of the filled corrugation. The large size of the pipe was a challenge as it was the maximum size for the spin casting equipment. […]

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New York City Sewer Cleaning

  • Sewer Cleaning
  • Sonar Pipeline Inspection

National Water Main Cleaning was selected to complete a sewer cleaning project consisting of 17,000’ of 10’ diameter combined sewer, approximately 5,000 cubic yards of debris removal, and sonar inspection to verify cleaning. The project began on the Major Deacon Exp., (Rt.87), near the entrance to the George Washington Bridge and flows north to south through the Bronx palisade along the expressway and East River ending in the parking lots of Yankee Stadium. […]

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