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Excellence in underground engineering since 1970. Specialties: storm drains, water, sewer, fire protection, natural gas, excavations and more.

Explore Company

Premium underground electrical systems that keep communities running. Specialties: public utilities, telecom, joint trenching, security and more.

Explore Company

Excellence in underground engineering since 1970. Specialties: storm drains, water, sewer, fire protection, natural gas, excavations and more.

Explore Company

Quality. Integrity. Service.

The Preston Companies bring extensive expertise and hands-on partnership to complex projects. Our services include excavating and installing underground wet and dry utilities, soils testing and management, and fill site management.

About Preston

Treatment Plants, Tanks and Pump Stations

Tricky Situations. Premium Results.

Treatment plants, tanks and pump-stations present unique challenges, such as limited work areas, deep-shored excavations and high groundwater elevations. We deliver the highest quality functional and performance testing, while abiding by all regulatory agency requirements. We also provide monitoring for critical components to ensure final testing approval.

Related Projects

  • Gateway Village – Santa Clara, CA
  • Bay View Stormwater Treatment System – Mountain View, CA
  • Google 237 Rainwater Harvesting and Site Utilities– Sunnyvale, CA
  • Rinconada WTP Residuals Management Project – Los Gatos, CA
  • Carson Creek Lift Station - El Dorado Hills, CA
  • Oak Avenue Pump Station – Folsom, CA
  • Sierra College Blvd. Lift Station - Rocklin, CA
  • Facebook Sanitary Sewer - Menlo Park, CA
  • Stanford University Campus Drive Relocation - Stanford, CA
  • NASA Ames Research Center - Moffett Field, CA
  • Hitachi Complex - San Jose, CA
  • Pavilion Station Water Storage Tank, Pump Station and Motor Control Center - Santa Clara, CA
  • La Loma Sanitary Sewer Lift Station Replacement - Modesto, CA

How Can We Help?

We take the time to learn about your specific needs and pain points to develop solutions that will have the greatest impact. Select a role below and see how Preston can support your needs!

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Whether you have an inquiry about our services, pricing, needing engineering expertise, or anything else, our team is ready to answer all of your questions.

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How We Help You

We take the time to learn about your specific needs and pain points to develop solutions that will have the greatest impact. Select a role below and see how Preston can support your needs!

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