When water
matters most.
Professional water well redevelopment and pump equipment contractor — proudly serving California since 1952.
Precision engineering.
Proven performance.
General Pump Company was founded in 1952 and is a professional water well redevelopment and pump equipment contractor. For the past 72 years GPC has proudly served the most important water utilities, businesses, and farmers across California.
In 2022, GPC partnered with Sylmar Group. Sylmar is a mission-driven organization focused on the stewardship of the most important stuff on Earth: water. We believe the declining availability of clean, reliable water will be the defining natural resource challenge of the 21st century.
Our Full Story
Services built around water.
From initial installation and annual maintenance contracts to emergency repairs and advanced diagnostics — our licensed team handles every aspect of water well and pump system care.
Well Services
Water wells are crucial to providing a reliable supply of water for homes, irrigation, and industries. We provide repair, replacement, abandonment, testing, installation, and general maintenance.
Learn More →Motor Services
A high-efficiency motor can keep a water well running for many years. At General Pump Company, we provide our expertise and recommend ways to upkeep your motor and whether a repair and a brand new motor might be suitable for your needs.
Learn More →Pump Services
Water pumps are key to an effective water well. Our pump services include repairs to vertical, submersible, and split case horizontal pumps, mechanical seals, and much more.
Learn More →Electrical Services
Most pumps contain electrical components that similarly need servicing. Our electrical services include panel installation, general troubleshooting, megging motors, and sounding equipment.
Learn More →Field Services
Our field technicians are available to help with scheduled maintenance, evaluations, improvements, and advanced diagnostic services such as hydraulic performance testing, downhole videos, and much more.
Learn More →Annual Maintenance Contracts
We hold approximately 65 Annual Maintenance and Service contracts with major water utilities and municipalities across California. Your system, always ready.
Get in Touch →Built for the industries
that keep the world moving.
Municipal Water
Serving cities, water districts, and municipalities throughout California with reliable well and pump services.
Agriculture
Durable, dependable pump solutions for irrigation and water supply needs on farms, ranches, and large-scale agricultural operations.
Industrial
Custom pump and well solutions for manufacturing, processing, and other industrial facilities that depend on consistent, reliable water supply.
Construction & Development
Well installation, testing, and dewatering solutions for commercial real estate developers, homebuilders, and construction contractors.
Our shop. Your advantage.
General Pump Company, Inc. is proud of the in-house equipment and capabilities we provide in our San Dimas, Camarillo, and San Bernardino shops. Our in-house mechanics shop and extensive service rig fleet allows us to deliver specialized solutions for every client.
Our team of experienced engineers, hydrogeologists, machinists, electricians, and fabricators handle everything from precision impeller work to complete pump rebuilds — all under one roof.
Vertical Turret Lathe
Up to 48-inch diameter capacity
CNC Horizontal Lathe
Computer Numerical Controlled precision machining
Complete Pump Rebuilds
Full disassembly, inspection, rebuild & reassembly
Impeller Precision Balancing
High-speed balancing, bowl & impeller rings, seal rings
Shaft Services
Shaft straightening, cleaning, and tube disassembly & reassembly
Pipe Coating & Cleaning
Pipe coating protection & high pressure hot water steam cleaning
Horizontal Engine Lathes
Multiple capacities for varied component work
Engineering Software
Manufacturing & engineering software with extensive drawing library
The values that drive everything we do.
These six values aren’t posted on a wall — they’re practiced every day in our shops, our trucks, and our customer relationships. They define who we are and how we earn the trust that has kept customers with us for generations.
Humbly Confident
We take pride in our experience, but have humility to know no two pumps and wells are the same. Every job gets fresh eyes and full attention.
Credibility
Our greatest assets are the trust we earn and the expertise to deliver for our customers. We say what we’ll do, and we do what we say.
Quality
We’re guided by a fanatical focus on leaving things better than we found them — in every repair, every installation, every interaction.
Problem-Solving
GPC doesn’t just repair — we identify causes of failures and fix problems, not symptoms. We dig deeper so the issue doesn’t come back.
We, Not I
Focusing on our teammates, customers, and communities before ourselves. The best outcomes come from people who put the team first.
Safety
Safety is central to everything we do and is the first consideration in all operations — protecting our people, our customers, and the public.
The people behind the pumps.
General Pump Company is made up of industry veterans, licensed field technicians, engineers, electricians, and service professionals who genuinely care about getting the job done right.
We invest in our team through continuous training, competitive benefits, and a culture built on craftsmanship and service. It shows in everything we do — from a routine maintenance call to an emergency pull at 2am.
Join Our Team
San Dimas, Camarillo & San Bernardino.
Our full-service shops in San Dimas, Camarillo, and San Bernardino are equipped to handle everything from routine maintenance to major overhauls. Strategically located to serve water utilities, agriculture, and municipalities across California.
Both facilities house our complete fleet of specialized service rigs, crane trucks, and downhole equipment — so we can respond quickly when water can’t wait.
Find UsReady to talk about your water system?
Contact a GPC specialist. We’ll help you assess your needs, recommend the right solution, and give you a clear, honest quote.