Municipal Water & Wastewater Solutions

Serving Maryland, D.C., Northern Virginia, Delaware, & West Virginia

STH delivers engineered pumping solutions built for the needs of municipal infrastructure. We partner with municipalities, utilities, and contractors to design reliable, efficient water and wastewater systems—backed by expert service and responsive, local support.

Product

Products

Explore our line card to see the industry-leading manufacturers we represent.

STH Flipbook Online

STH Flipbook Online

Browse our interactive product flipbook for a detailed look at the wide range of equipment and systems we service, from pumps to controls and beyond.

Comprehensive Services

Water Booster Systems
Water Booster Systems
Custom booster stations for distribution and high-service applications
  • Energy-efficient VFD options
  • UL/NSF-certified components
  • Pre-packaged enclosures and piping
  • Control panels built to spec
Wastewater & Stormwater Solutions
Pump systems for lift stations, treatment plants, and stormwater management
  • Submersible, dry-pit & grinder pumps
  • Chemical dosing and mixing systems
  • Long-life, durable designs
  • Configured for regional standards
Engineering Support
From concept to construction—we support your team at every stage
  • System sizing and selection
  • CAD drawings and budget pricing
  • Specification development
  • Virtual and onsite training available

Why Municipal Customers Choose STH

Cross-trained sales and service teams

Over 50 years of experience serving public utilities

Regional coverage with fast, reliable support

Regional coverage with fast, reliable support

Experience

Deep technical expertise across system types

Strong relationships with top-tier manufacturers

Trusted by engineers, operators, and facility managers