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50+ Years
experience
Trusted Water & Wastewater Construction Services Nationwide
Founded in 1961, Garney Construction has established itself as a national leader in water and wastewater infrastructure. Our company was built on the principles of integrity and excellence by Charles Garney, who transitioned from his family's plumbing business to create a specialized pipeline construction firm. Through strategic acquisitions and organic growth, we've expanded our capabilities to serve municipal, federal, industrial, and private clients across the United States. As 100% employee-owned since 1995, our team of 2,500 professionals remains committed to delivering innovative solutions for water transmission lines, treatment plants, and related infrastructure.

Our industry rankings reflect decades of expertise in CMAR and design-build project delivery methods, supported by specialized equipment and self-performance capabilities for complex waterworks projects. We maintain regional offices in key markets from Phoenix to Virginia Beach, enabling localized service while leveraging national resources. Our safety-focused culture and collaborative approach have earned recognition as ENR's top contractor for water transmission lines and supply systems. With over $2 billion in annual revenue, we continue investing in technological advancements and sustainable practices to address evolving water infrastructure challenges.
Services
Water Transmission Lines Wastewater Treatment Plants Pump Stations Storage Tanks Marine Infrastructure Heavy Civil Works Site Development Pipeline Installation Industrial Foundations Stormwater Systems
Details
  • Year established: 1961
Highlights and features
  • We've specialized in water/wastewater construction since 1961 with 60+ years of industry expertise
  • 100% employee-owned since 1995 with 2,500 dedicated water infrastructure professionals
  • Ranked #1 nationally for water transmission lines and supply systems by ENR
  • Self-perform capabilities for pipeline installation, marine works, and heavy civil construction
  • Regional offices serving all 50 states with localized project execution expertise
Services
Water Transmission Lines
Garney Construction leads the nation in water transmission line construction, installing pipelines up to 156" diameter across diverse soil conditions. Our crews handle all materials including steel, ductile iron, and HDPE for municipal and industrial clients. With millions of miles installed, we deliver reliable infrastructure for transporting safe drinking water and wastewater.
Wastewater Treatment Plants
As top-ranked specialists, we construct and upgrade wastewater treatment facilities using various technologies. Our self-perform capabilities cover new builds, expansions, and process upgrades while maintaining operational continuity at existing plants. We handle all stages from preliminary design to commissioning for municipal and industrial clients.
Marine Infrastructure
Our marine division constructs waterworks infrastructure in aquatic environments using specialized vessels and equipment. Services include raw water intakes, river crossings, and outfall diffuser systems for municipal and industrial clients. We self-perform underwater construction using divers and heavy machinery for reliable water intake and discharge solutions.
Pump Stations
Garney builds influent and effluent pump stations for water and wastewater systems. Our experience includes greenfield construction and upgrades to existing facilities. We handle all components from intake structures to high-service booster stations, ensuring reliable hydraulic operations for municipal and industrial clients.
Storage Tanks
We construct potable water storage tanks and concrete basins up to 120 million gallons capacity. Our expertise covers circular and rectangular designs using AWWA standards for prestressed, post-tensioned, and steel construction. These critical infrastructure components ensure water supply reliability for municipal distribution systems.
Questions
What types of water infrastructure projects does Garney specialize in?
Garney specializes in water transmission lines, wastewater treatment plants, pump stations, storage tanks, marine infrastructure, and heavy civil works for municipal, federal, and industrial clients.
How long has Garney Construction been in business?
Garney Construction has been building water infrastructure since 1961, with over six decades of experience in the water and wastewater construction industry.
Is Garney Construction employee-owned?
Yes, Garney became 100% employee-owned in 1995 through an ESOP structure, aligning company success with the dedication of our 2,500 construction professionals.
What geographic areas does Garney serve?
Garney operates nationwide with regional offices in Arizona, California, Colorado, Missouri, Tennessee, Texas, Florida, Georgia, Kentucky, North Carolina, South Carolina, and Virginia.
What construction delivery methods does Garney use?
We specialize in collaborative delivery methods including CMAR and design-build, while also executing traditional design-bid-build projects for water and wastewater infrastructure.
Does Garney handle both public and private sector projects?
Yes, we serve municipal governments, federal agencies, industrial clients, and private developers for water and wastewater infrastructure needs across all market sectors.
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