We offer full service pump support through our
Pump Services Division

Cornerstone Environmental Contractors, Inc. offers full service pump support through our Pump Services Division. Cornerstone’s Pump Services Division focus is on installation, maintenance and repair for virtually all water pumping equipment and ancillary systems. We can provide electro-mechanical services for:

  • Pumps
  • Motors
  • VFD’s
  • Controls
  • Valves
  • Filtration
  • Chemical Injection
  • Telemetry

Cornerstone currently supports over 200 pump stations and treatment systems throughout California and our pump services team has over 25 years experience in pump service disciplines.  Our capabilities comprise installation and maintenance on pumping systems ranging from 20 GPM to 20,000 GPM for applications including: 

  • Environmental
  • Golf Course Irrigation
  • Landscape Irrigation
  • Waste Water
  • Industrial
  • Municipal
  • Agriculture
  • Water Conservation

Regardless of system manufacturer or type, Cornerstone can provide:

Timely Response

Trouble Shooting

Evaluation & Testing

-Vibration testing -Ground field testing -Power quality analysis

Restoration / Retrofits

Parts Sales

Service & Repairs

Maintenance Contracts

Contact us via email at:



Or call us today:

Ron Harvey

Division Manager

(209) 345-8359

Northern California  (925) 299-9225          Southern California (949) 369-8220

"We keep the water moving"

Training / Certifications:



Crane & Forklift

1st Aid / CPR

Certified Electricians

UL 508A Certified Shop