24 Hr Service

MWRA and DEP Regulatory Requirements

North Shore Mechanical Contractors offers 24-hour emergency service

In the case of an emergency, please contact us at (978) 774-9800!

We assist clients with MWRA and DEP regulatory permitting, which includes complex design and paperwork requirements.

Backflow Preventers

  • Installation/Testing/Repair

Water Conservation

  • Automatic toilets/urinals/faucets
  • Dual Flush flushometers
  • High Efficiency Fixtures
  • Tankless water heaters
  • Gray Water Systems
  • Leaking Faucet repair/replacement

Waste Water Treatment Systems

  • Design/Installation/Maintenance
  • PH Systems
  • Monitoring Stations

Safety Equipment

Emergency Eye Wash and Showers

  • Tempered Water Systems
  • Design/ Installation/ Repair

Laboratory Renovations/ Relocations/ Repairs

Design/Build Services

  • Laboratory Waste systems
  • Piping/Neutralization Systems

Laboratory Gases

  • NFPA 99 Certified Installers
  • Oxygen/Nitrogen/Compressed Air/ Vacuum/CO2 etc.

Protected Water Systems/Specialty Water Systems


Water Filtration Systems

Specialty and Plumbing Fixtures and Equipment


  • Water Heaters
  • Boilers
  • Compressors
  • Vacuum Systems
  • Nitrogen Generators
  • Sump Pumps
  • Bottle Washers
  • Trash Can Washers


If you have a maintenance or service problem with a mechanical system you don’t see listed here, ask us. If it involves a pipe, we can almost certainly solve the problem.

Check out our plumbing & piping projects here!

Who are our customers?