Business Details
18 Years
experience
Your Trusted Engineering Partner in Kerrville, TX
Hewitt Engineering was founded in 2008 by John M. Hewitt, a licensed Professional Engineer with over 37 years of experience in municipal infrastructure and water resource management. Our firm specializes in delivering high-quality engineering solutions for water and wastewater systems, floodplain management, and site development projects across Texas. We combine technical expertise with practical problem-solving to address complex challenges in water supply, stormwater drainage, and infrastructure design. Our team has successfully completed projects for cities, universities, and private developers, including reclaimed wastewater systems and flood control measures. We maintain a strong commitment to regulatory compliance, utilizing advanced tools like HEC-RAS and GIS for precise hydrologic and hydraulic analyses.Our experience spans large-scale municipal projects, such as 84-inch diameter waterline design and watershed master planning, while maintaining personalized service for smaller developments. We prioritize cost-effective, sustainable solutions that meet evolving client needs and environmental standards. Our founder's background with major infrastructure programs in Houston provides valuable insights into large project execution. We actively contribute to community development through roles like Kerr County Floodplain Administrator and by preparing FEMA map revision requests to benefit property owners. Our track record demonstrates consistent delivery of technically sound engineering services that balance innovation with practical implementation.
Services
Water Infrastructure Planning
Floodplain Management
Site Development
Stormwater Management
Wastewater System Design
Details
- Year established: 2008
Highlights and features
- We offer 37 years of specialized experience in municipal water and wastewater systems
- Our team includes certified floodplain management experts
- We implement proven hydrologic analysis methodologies using HEC-RAS and GIS tools
- Our cost-effective solutions balance technical precision with practical implementation
- We maintain direct local expertise through Kerr County floodplain administration
Associations and certifications
- Professional Engineer, Texas #66142
- Certified Floodplain Manager, Texas #0755-05N
What people say
Technical expertise
Municipal project experience
Floodplain management skills
Regulatory compliance knowledge
Long-term engineering experience
Services
Water Infrastructure Planning
We specialize in comprehensive water supply planning and distribution system design. Our engineers develop master plans, model water distribution networks, and design storage facilities ranging from ground tanks to elevated structures. With experience in projects from 8-inch to 84-inch diameter waterlines, we deliver solutions that ensure reliable water delivery while meeting regulatory requirements and future growth projections.
Floodplain Management
Our floodplain services include detailed hydrologic and hydraulic analyses using HEC-HMS and HEC-RAS software. We prepare FEMA map revision requests, design detention basins, and develop watershed management plans incorporating GIS technology. Our team has completed flood insurance studies and storm sewer designs that effectively reduce flood risks while maintaining environmental compliance for both urban and rural areas.
Wastewater System Design
We provide complete wastewater infrastructure solutions including gravity sewer lines, force mains, and lift station design. Our expertise extends to infiltration/inflow analysis and wastewater treatment plant improvements. We've successfully implemented rehabilitation projects and designed reclaimed wastewater distribution systems for municipal clients, ensuring efficient collection and treatment while meeting environmental regulations.
Site Development
Our site development services cover feasibility studies through construction documentation for residential, commercial, and public projects. We create grading plans, utility layouts, and stormwater management systems that integrate with existing infrastructure. Our experience includes municipal building sites, recreational facilities, and mixed-use developments requiring coordinated utility and drainage solutions.
Stormwater Management
We design comprehensive stormwater management systems that address both flood control and water quality. Our engineers develop channel improvements, detention basins, and storm sewer networks that mitigate flooding while complying with environmental regulations. We've completed drainage solutions for urban streetscapes and large watershed areas, incorporating sustainable practices into each project's design.
People
John M. Hewitt
President
John M. Hewitt is a licensed Professional Engineer with 37 years of experience in municipal infrastructure projects. He holds a Master's degree in Civil Engineering from the University of Texas and serves as Kerr County's Floodplain Administrator. His expertise includes water transmission systems, floodplain management, and drainage design across Texas.
Questions
What engineering services do you specialize in?
We specialize in water and wastewater infrastructure, floodplain management, stormwater drainage, and site development projects across Texas.
How experienced is your engineering team?
Our lead engineer has 37 years of experience with specialized expertise in municipal water systems and floodplain analysis.
Do you handle FEMA floodplain map revisions?
Yes, we prepare LOMA submissions and floodplain determination studies to help property owners address flood insurance requirements.
What geographic areas do you serve?
We primarily serve Texas municipalities including Kerrville, San Antonio, and Houston areas.
Can you handle large-scale infrastructure projects?
Yes, we've designed waterlines up to 84 inches in diameter and managed watershed plans covering 138 square miles.
