---
title: Sump & Sewage Pump Design Guide | STH Inc.
description: A convenient guide for Sump & Sewage Pump Design.
---

# 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.**

 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

- Over 50 years of experience serving public utilities
- Regional coverage with fast, reliable support
- Deep technical expertise across system types
- Trusted by engineers, operators, and facility managers

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