Civil, Environmental & Geotechnical Engineering

Enprotec/Hibbs & Todd, Inc. (eHT)

eHT is a civil, environmental and geotechnical engineering firm with headquarters in Abilene, Texas and branch offices in Lubbock and Granbury. Our professional staff consists of engineers, environmental specialists, geoscientists, land surveyors, operations specialists, technicians, and construction managers. Our success is based on enduring partnerships with our clients.

Established in 1989, eHT continues to provide personable and reliable professional services to public and private entities throughout Texas. Our professionals go the extra mile to present appropriate solutions that meet short-term and long-term needs.

With offices serving Texas, our resources are strategically located to meet our client’s need for personal and reliable service. Each of our offices has a unique set of skill sets that complement each other. We have helped our clients place the past behind them, manage the present and plan for a profitable future. Our diverse staff of professionals is one of our greatest assets. Our people care about their work and their relationships with clients. From planning to completion, each project is personally handled by staff that know our clients and their businesses. Our staff of professionals provides clients with practical, cost-effective solutions.



Scott F. Hibbs, PE


Scott has over 40 years of experience as a water resources consultant for many governmental entities in Texas. He directs multi-discipline and multi-organizational teams for regional water and wastewater projects, in addition to overseeing construction management and providing hands-on training for operations and maintenance personnel.

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Jordan S. Hibbs, PE

Vice President

Jordan has over 14 years of experience in the design and management of water, wastewater, drainage and site development projects for municipal clients. He has experience designing and evaluating water treatment plants, water distribution systems, wastewater treatment plants, wastewater collection systems and storm drainage systems. Jordan currently serves as the Vice President of eHT managing many of the daily operations of the firm.


Keith P. Kindle, PE

Vice President

Keith has 28 years of experience managing large public works programs. He has in-depth experience in project management including planning, design and construction management for water supply, treatment and distribution projects and wastewater treatment and collection projects. 


Joshua L. Berryhill, PE

Vice President / Technical Director

Joshua has over 19 years of experience in the design, operation and analysis of water and wastewater treatment systems. His water treatment plant experience includes RO systems, chemical feed systems, sedimentation, microfiltration, dual- and tri-media filtration, clear wells and plant water and high-service pumping systems. His wastewater treatment plant experience includes pump stations, preliminary screening, grit removal, flow equalization, extended and activated aeration basins, BNR, SBR, MBR, clarification, tertiary filtration, chemical and UV disinfection, digestion systems and reuse systems.


Scott Yungblut, PE

Vice President

Scott has 27 years of experience in performing engineering analysis and design on geotechnical and construction materials testing projects throughout Texas, Louisiana, Arkansas and Oklahoma. He supervises and manages eHT’s soil and materials testing laboratory responsibilities including proposal preparation, field investigation, field and laboratory analysis, report preparation and construction quality assurance and quality control.


Sage Diller, PE

Associate Vice President

Sage has 23 years of experience in project design, management and construction oversight on a wide range of projects for municipal, state and private entities. His past projects have included municipal water and sewer systems, groundwater wells and storage facilities, state and county roadways and private developments.


Colden S. Rich, PE

Associate Vice President

Colden has 17 years of experience in the analysis, design, and management of water, wastewater, roadway, drainage, and site development projects for both municipal and industrial sector clients. He has experience evaluating and analyzing water treatment plants, water distribution systems, wastewater treatment plants, wastewater collection systems and storm drainage systems.


Chris S. Hay, PE

Associate Vice President

Chris has 16 years of experience with a particular focus on civil and municipal projects. His experience includes planning, design and project management in the areas of water distribution and transmission, wastewater collection and conveyance, roadway and drainage improvements and various park and recreational improvements including multi-purpose trails.


Bob Benham, CPA

Chief Financial Officer

Bob is a senior level executive with extensive experience in management and business leadership. As Chief Financial Officer, he is responsible for the financial integrity of the firm. In that capacity, he oversees all financial accounting and federal and state tax reporting. In addition, Bob handles all risk and human resource management functions of eHT, including procurement of insurance coverages and assuring eHT’s employment law compliance.

Our Awards

City of Huntsville AJ Brown Wastewater Treatment Plant

2021 Engineering News-Record Award of Merit Project of the Year for Water / Environment Category

Hamby Water Reclamation Facility and Indirect Reuse Project

2017 American Waterworks Association – Texas Section Large Utility Indirect and Bob Derrington Reuse Award

ACU Anthony Field at Wildcat Stadium

2018 Engineering News-Record Award of Merit Project of the Year for Sports / Entertainment Category

Hamby Water Reclamation Facility and Indirect Reuse Project

2016 WateReuse Association Large Project of the Year

Hamby Water Reclamation Facility and Indirect Reuse Project

2016 Engineering News-Record (TX/LA) Best Water/Environmental Project of the Year

Missouri City Regional Water Treatment Plant

2014 SCMA Outstanding Small Membrane Plant Award

Possum Kingdom WSC Water Treatment Plant

US EPA 2006 DWSRF Award for Sustainable Public Health Protection

Missouri City Regional Water Treatment Plant

2012 Environmental Project of the Year by APWA-Texas

Texas Water Utilities Association 2011 Leadership Award

Our Vision and Values

Enprotec / Hibbs & Todd, Inc. (eHT) will continue to develop long-term relationships with civil, environmental and geotechnical clients. These relationships will result from the delivery of timely, personal, professional, and cost-effective solutions that meet the objectives of the client. These solutions will be implemented by competent, respected, and supported employees who are challenged to excel and are rewarded for accomplishments.

eHT’s goal is to continue to attract clients with whom we can create enduring relationships. Our clients know that we care about them personally, and they view our employees as knowledgeable experts who are honest and dependable.

eHT has a working environment where support systems are well-organized and our employees take pride in the quality of their work, benefit from the team structure, and enjoy a variety of challenging projects. eHT cultivates commitment and confidence between employees and management. This cultivation is developed through trusting relationships, mutual respect, and valued opinions. eHT employees commit themselves to the success of the company by displaying a strong work ethic.

eHT’s management team holds a common vision, which attracts competent business people who cooperate, make timely and consistent decisions, take responsibility for their decisions, believe that the greatest asset to a corporation is its people, and share information regarding the welfare of the company.

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