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Featured Projects


Design Services of a Recycling Facility in New Mexico

Envirotech Engineering & Consulting, Inc. has provided professional services for the design of a recycling facility located in New Mexico.  Envirotech also provided construction testing and liner quality assurance services and certified it was constructed per the design drawings and specifications.  This facility was constructed for the use as a frac/flowback pit for produced water […]

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Design & Permitting a Commercial Produced Water Recycling Facility

ENVIROTECH ENGINEERING & CONSULTING, INC. provided services associated with the design and permitting of a Commercial Produced Water Recycling Facility per Texas Administrative Code Title 16 Part 1, Ch. 4B Division 6 Stationary Commercial Recycling of Fluid as well as the H-11 Permits for Commercial Pits. The facility was a Commercial Recycle Facility being used […]

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Division 4 Stationary Solid Waste Recycling Facility

ENVIROTECH ENGINEERING AND CONSULTING, LLC., provided design services associated with construction of a Division 4 Stationary Solid Waste Recycling Facility that is used to recycle oil based mud cuttings. ENVIROTECH provided the topography survey to assist in accuracy of the estimated cut and fill data along with it being essential for the layout and staking […]

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Renewable Natural Gas (RNG)

Powering The Future with Cleaner Technologies Renewable natural gas (RNG) is a term used to describe biogas, or bioenergy that has been upgraded for use in place of fossil natural gas. The biogas used to produce RNG comes from various sources, including: Municipal solid waste landfills Digesters at water resource recovery facilities (wastewater treatment plants) […]

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Construction QA/QC for Recycle Facility

The Recycle Facility was constructed for treatment and storage of produced water associated with oil and gas activity. The Recycle Facility was designed with a 40-mil LLDPE (low density polythene) secondary liner, a geo-composite drainage layer, and a 60-mil HDPE (high density polythene) primary liner.  The bottom of the pit was designed to drain toward […]

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Site Spill Response and Cleanup Oversight

In March 2019, a pipeline riser leak was discovered, and an unknown volume of produced water was released to the subsurface from a leaking valve. Envirotech performed an initial site inspection to identify the area to be sampled. In order to delineate the horizontal and vertical extent of impact, soil sample locations were staked along […]

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Pre-Acquisition Site Assessments

Since 1994, Envirotech Engineering & Consulting, Inc., has performed a Modified Phase I Environmental Site Assessments on multiple sites. The purpose of this study is to identify potential environmental concerns associated with the subject sites through an on-site inspection of the referenced and adjoining properties and other investigations. A general “walk down” of each site […]

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Geotechnical Engineering and Foundation Design

In 2011, Envirotech provided geotechnical investigations and  foundation design services for wind turbine towers, as well as construction inspection services. For the geotechnical investigations, borings were drilled and representative soil samples were collected according to the split-barrel sampling procedure outlined in ASTM Specification D-1586.  The collected samples were labeled for identification, sealed to prevent moisture […]

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Stormwater Master Plan

Envirotech Engineering & Consulting, Inc., was hired to develop a  Stormwater Master Plan with the purpose of determining the large-scale effects of flooding within the City of Enid.  Two major watersheds comprise the City of Enid’s land area.  Envirotech prepared a report which supplemented several previously-prepared hydrology reports that documented stormwater issues within the western watershed […]

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Site Design

Envirotech Engineering & Consulting, Inc., provided civil engineering site design and geotechnical design services at a hotel site in Enid, Oklahoma.  The design services included: Dimension Control Plan.  Including building layout control for the hotel and adjacent parking, parking islands and all features associated with the hotel layout. Site Grading Drainage Plan.  Established finish floor […]

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Enid Renaissance Project

Envirotech Engineering & Consulting, Inc., provided construction materials testing services during the construction of the Enid Event Center, the centerpiece of the Enid Renaissance Project in downtown Enid, Oklahoma. Testing services included: standard proctors, USCS soils classification, field densities, and contaminated soils testing.  In addition, Envirotech’s structural engineer provided steel inspection services during construction. Envirotech provided […]

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Testing at Commercial Hotel Site

Envirotech Engineering & Consulting, Inc., conducted a site inspection as well as density and concrete testing for a 117-room commercial hotel site in Oklahoma City, which was completed in 2010. Envirotech was retained to conduct a site inspection, provide an evaluation of the site preparation, and provide geotechnical engineering recommendations.  In addition, Envirotech performed visual inspections […]

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