Engineering Firm for Land Developers in

San Marcos,

Texas

San Marcos,

Texas

Water And Wastewater Infrastructure Engineering

We partner with developers, municipalities, and civil firms throughout San Marcos and Hays County on systems protecting endangered species habitat while supporting university enrollment growth and tourism development.

From aquifer recharge zone construction to river discharge coordination and residential utilities, we secure TCEQ permits in 6-8 weeks instead of 12 months.

Engineering Built for Outcomes, Not Overhead

San Marcos projects fail when engineers underestimate how Edwards Aquifer regulations and endangered species protection alter standard construction approaches. Environmental review requirements that don't exist elsewhere create approval obstacles generic designs can't navigate.

Value Over
Hours

We deliver permits approved, systems designed for aquifer protection zones, infrastructure satisfying endangered species habitat requirements. Project budgets hold because our designs account for San Marcos environmental constraints upfront rather than discovering regulatory requirements during review cycles that extend timelines and increase costs.

Speed as a Design Constraint

Student housing developments need occupancy before fall semesters begin. Tourism infrastructure serves seasonal demand patterns that make construction timing critical. Environmental review can’t become the variable that makes projects miss market windows.

Deep Work, Not Meeting Culture

Engineering hours address aquifer recharge protection and endangered species coordination rather than producing progress dashboards. Technical solutions emerge from analyzing environmental data and reviewing regulatory requirements, not attending coordination meetings that generate action items without advancing permit applications.

AI as Leverage, Not a Shortcut

Automation handles documentation formatting and calculation updates while licensed engineers focus on Edwards Aquifer compliance strategies, endangered species habitat analysis, and environmental review coordination. Technology improves efficiency on administrative tasks without replacing environmental engineering judgment.

Who We Support

San Marcos development requires infrastructure engineers understanding Edwards Aquifer regulations and endangered species protection, not just standard TCEQ requirements.

Municipalities and Water Districts

San Marcos and Hays County utilities face Edwards Aquifer recharge zone restrictions limiting where infrastructure can run and discharge permits requiring endangered species consultation that standard applications don’t encounter. We design system expansions working within these environmental constraints rather than proposing solutions field conditions and regulatory requirements will reject.

Developers and Industrial Owners

Developments in San Marcos require environmental assessments before design can proceed, and Edwards Aquifer coordination often determines whether projects are feasible at all. We provide environmental and regulatory analysis upfront, delivering infrastructure plans in weeks while competitors determine whether projects can proceed under environmental restrictions.

Civil Engineering Firms

Site development teams working San Marcos need utility engineers who understand Edwards Aquifer rules and endangered species requirements without requiring extensive education. We deliver construction documents that San Marcos environmental reviewers will approve rather than theoretical designs that regulatory requirements make impractical.

What We Do

Our San Marcos practice centers on infrastructure satisfying Edwards Aquifer protection and endangered species habitat requirements.

Wastewater Engineering

Collection systems in San Marcos require routing avoiding aquifer recharge features that generic shortest-path layouts ignore. Treatment plants need discharge permits considering San Marcos River flow and endangered species habitat that standard TCEQ applications don’t address. We design infrastructure accounting for environmental constraints that affect feasibility, not just technical requirements.

Water Engineering

Distribution mains crossing Edwards Aquifer recharge zones need construction methods protecting groundwater that standard trenching approaches can’t satisfy. Storage facilities require foundations addressing karst geology while protecting spring flows. We size and locate infrastructure based on environmental constraints alongside hydraulic requirements.

Civil Engineering

When general civil firms need water and wastewater plans for aquifer recharge zone sites, we provide stamped documents addressing environmental requirements without requiring full project transfer. Site teams maintain schedule control while specialized environmental coordination progresses independently.

Construction Administration

San Marcos contractors encounter subsurface conditions and environmental restrictions that affect construction methods despite investigation efforts. We provide field engineering solving problems as they emerge rather than debating responsibility for conditions environmental regulations created. Projects stay productive rather than generating disputes.

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Projects

From lift stations to treatment plants, MES delivers water and wastewater engineering for San Marcos municipalities, developers, and engineering firms - fewer revisions, faster approvals, and costs you can count on.

Trinity Retail Plaza

Texas

completed

The Trinity Retail Plaza is a meticulously designed 2-acre commercial shopping plaza that seamlessly integrates high-quality retail spaces with innovative engineering solutions. Modern Engineering Solutions provided expertise in paving, grading, utility layout, and drainage design, while addressing site-specific challenges including streambank stabilization and storm drain improvements in full compliance with local and state regulations.

Bailey Ranch Estates

Lindsay, Texas

completed

The Bailey Ranch Estates is a meticulously planned 14-acre residential development featuring 48 thoughtfully designed lots alongside a 2.5-acre future industrial site. Modern Engineering Solutions provided expertise in site planning, coordination, and infrastructure design to ensure the successful execution of this project, serving the growing community in the city of Lindsay, Texas.

Magnolia Center

Magnolia Center, Corinth, Texas

completed

The Magnolia Center is a 2.67-acre mixed-use commercial development strategically located in Corinth, Texas. The project comprises a 10,800 sq. ft. office building and a 7,316 sq. ft. retail building featuring a drive-through facility. Currently in the final stages of construction, the development exemplifies the seamless integration of diverse commercial spaces designed to cater to the evolving needs of the community.

Town of Oak Creek Infiltration and Inflow (I&I) and Water Loss Analysis

Oak Creek, CO

completed

The Town of Oak Creek faced aging water distribution and wastewater collection systems with unquantified water loss and infiltration and inflow issues. Modern Engineering Solutions conducted a comprehensive assessment of the infrastructure's age and condition, delivering a final report with clear engineering estimates and a prioritized roadmap for future system replacements and improvements.

Steamboat Mountain School Wastewater Treatment Plant

Steamboat Springs, CO

completed

The Steamboat Mountain School Wastewater Treatment Plant (WWTP) project involved the design and construction of a new 10,000-gallon-per-day treatment facility to replace an outdated plant that could no longer meet the demands of the school’s growing operations and updated discharge requirements. The new WWTP ensures compliance with strict effluent limits, including BOD of 5 mg/L, TSS of 1 mg/L, and NH₃-N below 1 mg/L. Modern Engineering Solutions (MES) led the civil design efforts, working closely with the process engineering team to recommend improvements that enhanced performance and sustainability.

Phippsburg and Milner Wastewater Treatment Plants

Phippsburg and Milner, CO

completed

The Phippsburg and Milner Wastewater Treatment Plants (WWTP) project involved the design and construction of two new treatment facilities to replace outdated infrastructure that could no longer meet the growing demands and discharge requirements of the communities they serve. With capacities of 32,500 gallons per day and 30,000 gallons per day respectively, the new WWTPs were designed to ensure compliance with strict effluent limits, including BOD of 5 mg/L, TSS of 1 mg/L, and NH₃-N of 50 mg/L. Modern Engineering Solutions (MES) led the civil design efforts, collaborating with process engineers to enhance the plants' performance and sustainability.

Town of Yampa Wastewater Treatment Plant

Yampa, CO

completed

The Town of Yampa Wastewater Treatment Plant (WWTP) project involved the design and construction of a new 105,000-gallon-per-day treatment facility to replace an outdated plant that no longer met the town’s wastewater needs or regulatory discharge requirements. The new WWTP ensures compliance with strict effluent limits, including BOD levels below 5 mg/L, TSS below 1 mg/L, and TIN below 21 mg/L, supporting sustainable growth and environmental stewardship. Modern Engineering Solutions (MES) led the civil design efforts, working closely with the process team to optimize system performance through strategic process recommendations.

Riverdance RV Park Wastewater Treatment Plant

Gypsum, CO

completed

The Riverdance RV Park Wastewater Treatment Plant (WWTP) project involved the design and construction of a new 40,000-gallon-per-day treatment plant to replace an outdated system that could no longer meet the growing demands and discharge requirements of the expanding RV park. The new WWTP was engineered to handle increased wastewater flows while ensuring compliance with strict effluent limits, including BOD of 5 mg/L, TSS of 1 mg/L, and Total Inorganic Nitrogen (TIN) of 80 mg/L. Modern Engineering Solutions (MES) led the civil design effort, collaborating with the process engineering team to recommend adjustments that optimized system performance.

Town of Yampa Collection System Improvements

Yampa, CO

completed

The Town of Yampa Collection System Improvements project focused on the rehabilitation of 20,000 feet of wastewater collection pipelines and upgrades to the community’s manholes. These improvements were designed to enhance the system’s reliability and reduce future maintenance needs. Modern Engineering Solutions (MES) took the lead on the project, working closely with local officials to develop effective engineering solutions and secure funding to support the town’s infrastructure goals.

Phippsburg and Milner Collection System Improvements

Phippsburg & Milner, CO

completed

The Phippsburg and Milner Collection System Improvements project focused on enhancing essential wastewater infrastructure for both communities. The project involved the rehabilitation of 20,000 feet of aging collection pipelines and the lining and improvement of multiple manholes to ensure long-term durability and performance. These upgrades are critical to maintaining reliable wastewater service and reducing maintenance needs in the future. Modern Engineering Solutions (MES) led the design effort, providing technical expertise and support throughout the project lifecycle.

Florissant, Colorado Lift Station and Collection Design

Florissant, CO

completed

The Florissant Lift Station and Collection System project focused on modernizing critical wastewater infrastructure for the community. This project involved the design of a new influent lift station with a capacity of 57,000 gallons per day and the rehabilitation of 35,000 feet of the existing collection system. These improvements are essential for maintaining reliable wastewater service and supporting future growth in the area. Modern Engineering Solutions (MES) led the design effort, ensuring the project met regulatory standards and aligned with funding requirements.

City Limits RV Park Lift Station

Milford, TX

completed

The City Limits RV Park Lift Station project was developed to support the wastewater needs of a growing RV park in Milford, TX. The lift station, with a capacity of 15,000 gallons per day, was designed to handle all three phases of the RV park’s development, ensuring long-term wastewater management and smooth operation for the facility. Modern Engineering Solutions (MES) played a key role in coordinating between stakeholders and developing engineering solutions to align with regulatory standards and local requirements.

Bitter Creek Distribution Improvements

Sweetwater, TX

completed

The Bitter Creek Distribution Improvements project involves the relocation of four miles of waterlines to accommodate TxDOT improvements along the IH-20 corridor. This project ensures uninterrupted water service while supporting the infrastructure upgrades necessary for regional transportation improvements. Modern Engineering Solutions (MES) collaborated closely with stakeholders to provide on-site engineering expertise, ensuring a smooth construction process for Bitter Creek staff and seamless integration with the TxDOT project.

River Valley Wastewater Treatment Plant

Martindale, Caldwell County, Texas

completed

The River Valley Wastewater Treatment Plant (WWTP) is a state-of-the-art facility designed to meet the expanding needs around Martindale, Texas. With a capacity of 0.95 million gallons per day (MGD), this three-phase project will accommodate a variety of commercial, residential, and industrial developments, ensuring sustainable growth in the region. The project reflects the importance of forward-thinking wastewater infrastructure to support future demand while maintaining environmental compliance.

Morrison Creek Metropolitan Water & Sanitation District Treatment Improvement

Routt County, CO

completed

MES contributed civil design services to the construction of a new 0.35 MGD wastewater treatment plant for Morrison Creek Metropolitan District. The scope covered grading, utility coordination, paving, stormwater drainage design, cut/fill calculations, and on-site construction observation, ensuring the facility was built to spec and ready for long-term reliable operation.

Arabian Acres Metropolitan District Distribution System Improvement

Teller County, CO

completed

The Arabian Acres Metropolitan District serves a disadvantaged community in Teller County, Colorado that needed significant improvements to both its water treatment and distribution infrastructure. The client qualified for SRF Loans and Grants, and Modern Engineering Solutions delivered two connected projects to address the community's water system needs from treatment through distribution.

Prairie Corner Wastewater Lift Station

Brighton, CO

completed

The Prairie Corner Wastewater Lift Station project in Brighton, Colorado required a full-service engineering approach covering site design, overflow piping, hydraulic calculations, and regulatory coordination. Modern Engineering Solutions contributed as a subconsultant, delivering technical expertise across multiple disciplines to ensure the lift station was designed, permitted, and built to serve the community reliably.

Last Dollar PUD HOA Wastewater Treatment Improvement

San Miguel County, CO

completed

Modern Engineering Solutions is proud to have played a significant role as a subconsultant in the Last Dollar PUD HOA Wastewater Treatment Improvement Project. This crucial initiative aimed at enhancing wastewater treatment facilities for the community, ensuring compliance with environmental regulations and improving overall quality of life. Our team contributed its expertise in site design, utility layout, and preparation of mechanical and process drawings to ensure the project's success.

Belmar Library Grading

555 S Allison Pkwy, Lakewood, CO

completed

The Belmar Library Outdoor Learning Area Expansion is a 0.05-acre civil engineering project completed for Jefferson County Public Library in Colorado. Modern Engineering Solutions was tasked with designing the grading and civil systems associated with the new outdoor learning area. The space opened in Summer 2022 and now serves as a safe, functional environment for children and families in the community.

1711 Single Family Homes

1711 Ingalls St, Lakewood, CO

in_progress

The 1711 Single Family Homes project is a 0.75-acre residential development comprising six single-family homes in Colorado. The site presented real engineering challenges: a historically subdivided lot with tight spacing between homes, stormwater management requirements, and strict CDPHE utility line separation standards. Modern Engineering Solutions handled the full civil scope from paving and grading through utility coordination, delivering a functional and code-compliant development currently completing construction.

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Clear Direction

We tell San Marcos developers whether their sites can support standard collection systems or require alternative methods based on Edwards Aquifer recharge zone analysis. Direct answers on environmental feasibility and permit requirements, delivered during initial consultation after reviewing actual site conditions and regulatory constraints.

Cost-Effective Systems

Infrastructure gets routed where aquifer protection allows construction using actual environmental assessment results. Treatment capacity reflects discharge permits accounting for endangered species habitat protection. Engineering based on San Marcos specific environmental constraints rather than generic designs that regulatory requirements will reject.

Predictable Timelines

TCEQ receives applications with Edwards Aquifer coordination documentation and endangered species consultation when required. Approvals happen promptly because our submittals demonstrate designs account for San Marcos environmental constraints rather than presenting generic layouts that environmental review will challenge.

Senior-Level Partnership

Licensed engineers experienced with Edwards Aquifer regulations and endangered species habitat requirements handle projects directly. No training junior staff on aquifer protection or environmental consultation using your project schedule as their learning opportunity.

Get in Touch!

Edwards Aquifer and endangered species regulations require specialized analysis standard engineering misses.

Our licensed engineers provide solutions accounting for San Marcos environmental constraints, responding same business day.

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Disclaimer:
We specialize in water and wastewater engineering only.
We do not provide structural, architectural, or MEP services.
Emails from marketing and estimating firm services will be ignored. Please save your time.

Water And Wastewater Infrastructure Engineering

Engineering Built for Outcomes, Not Overhead

Value OverHours

Speed as a Design Constraint

Deep Work, Not Meeting Culture

AI as Leverage, Not a Shortcut

Who We Support

Municipalities and Water Districts

Developers and Industrial Owners

Civil Engineering Firms

What We Do

Wastewater Engineering

Water Engineering

Civil Engineering

Construction Administration

Get Permit Timeline And Cost Estimate