California construction administration fails when engineering oversight treats CEQA mitigation monitoring, multi-agency inspection sequences, and Regional Board compliance as reactive checkboxes. We build construction oversight around California's regulatory requirements before contractors mobilize.
Modern Engineering Solutions delivers water and wastewater engineering across diverse regulatory environments, demonstrating efficient permitting and site-specific design expertise.
Taylor, Williamson County, TX
completed
The Gateway Water Reclamation Facility serves a large-scale mixed-use development in San Marcos, Hays County, Texas, combining data center operations, commercial facilities, and supporting systems. A traditional 1.0 MGD discharge permit in this region would have faced significant opposition from environmental groups concerned about impacts to the San Marcos River and Edwards Aquifer recharge zone, with public hearing processes routinely extending timelines to 30 or more months. Modern Engineering Solutions pursued the TCEQ 210E authorization pathway instead, securing approval in just 10 weeks with a zero-discharge reclaimed water system that eliminated surface water discharge concerns entirely.
San Marcos, Hays County, TX
completed
The Gateway Water Reclamation Facility serves a large-scale mixed-use development in San Marcos, Hays County, Texas, combining data center operations, commercial facilities, and supporting systems. A traditional 1.0 MGD discharge permit in this region would have faced significant opposition from environmental groups concerned about impacts to the San Marcos River and Edwards Aquifer recharge zone, with public hearing processes routinely extending timelines to 30 or more months. Modern Engineering Solutions pursued the TCEQ 210E authorization pathway instead, securing approval in just 10 weeks with a zero-discharge reclaimed water system that eliminated surface water discharge concerns entirely.
Taylor, Williamson County, Texas
completed
The Bradley Business Park Water Reclamation Facility required a wastewater solution for a mixed-use development in Taylor, Williamson County, Texas. When Williamson County denied the septic permit due to platting issues and site constraints that made conventional on-site treatment infeasible, Modern Engineering Solutions pursued the TCEQ 210E authorization pathway. This approach bypassed county jurisdiction entirely, placing the project under state-level TCEQ oversight with a zero-discharge reclaimed water system. The 4-week approval timeline allowed the developer to maintain construction schedules and avoid costly project delays.
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.
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, 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.
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 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, 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.
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.
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.
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 & 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, 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.
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.
Sasakwa, OK
completed
The Sasakwa Water Tank Improvements project addressed the challenges posed by an aging water storage tank in Sasakwa, Oklahoma. The tank had deteriorated significantly, with structural wear and coating breakdown that compromised its reliability and long-term capacity. Modern Engineering Solutions partnered with town officials to assess the tank's condition and develop a comprehensive engineering plan outlining the full scope of repairs needed. MES also supported the town's grant funding efforts by preparing a detailed engineering report documenting the tank's condition, repair requirements, and projected costs. Once funding was secured, MES prepared technical specifications for recoating and structural repairs, ensuring all work met industry standards and extended the tank's operational lifespan.
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.
Martindale, Caldwell County, Texas
completed
Discharge permits in Caldwell County near the San Marcos River watershed face intense scrutiny from regional water authorities and environmental advocacy groups. Public hearings attended by Modern Engineering Solutions staff for neighboring discharge permit applications revealed highly contentious 30+ month permitting timelines. The 210E pathway bypassed this opposition entirely, securing approval in just 4 weeks by demonstrating beneficial agricultural reuse. The project’s 2.0 MGD scale, one of the largest 210E authorizations issued to date for MES, proves that flow volume does not limit 210E applicability when industrial components and viable reuse plans are present. The off-site reuse agreement with Circle G Livestock provides long-term disposal certainty while supporting local agricultural operations.
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.
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.
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.
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.
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 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.
Pre-construction reviews identify seismic design requirements, expansive soil conditions, and CEQA mitigation measures before contractors bid. California developers working with us don't negotiate change orders for conditions that complete pre-construction coordination should have shown.
Critical construction phases get observed before agency inspection points so California Regional Board, local agency, and CEQA compliance inspectors see work that matches approved plans and satisfies mitigation requirements. Inspection failures that trigger stop-work orders get caught during construction, not at inspection.
Construction sequencing accounts for California's biological survey windows, Regional Board inspection requirements, and CEQA mitigation monitoring obligations that optimistic scheduling consistently underestimates. Phase boundaries match what contractors can complete within California's regulatory compliance requirements.
The engineers who designed California civil and utility systems observe their construction and compile their acceptance documentation. Contractors get design intent questions answered by the people who made the design decisions rather than construction administrators interpreting other engineers' work across California's complex multi-agency permit environment.
Pre-construction and construction phase oversight for a Southern California land development are most effectively provided by the same engineering firm that produced civil and utility design. Engineers who made the design decisions understand plan intent that contractors question in the field, reducing interpretation errors that generate change orders and agency compliance issues.
Pre-construction services for Southern California developments typically include:
MES provides pre-construction and construction phase services for California land developments where we produced civil and utility design, and for developments where another firm produced design documents but the developer needs qualified engineering oversight during construction.
CEQA mitigation monitoring during construction implements the mitigation measures identified in the environmental document that cleared the project, verifying that each measure is implemented as specified and documenting compliance for the lead agency’s records.
Common CEQA mitigation monitoring requirements during California land development construction include:
CEQA mitigation monitoring reports get submitted to the lead agency on schedules specified in the mitigation monitoring and reporting program. Non-compliance with mitigation measures can trigger lead agency enforcement action and stop-work orders that interrupt construction schedules significantly longer than the underlying compliance issue would have taken to address proactively.
MES coordinates CEQA mitigation monitoring as part of construction administration services, managing biological monitor scheduling, mitigation implementation documentation, and lead agency reporting so compliance obligations don’t become construction schedule surprises.
Construction phase engineering services for a California land development cover oversight activities between contractor mobilization and project completion, with California-specific requirements beyond what construction administration involves in other states.
Standard construction phase services include:
California-specific construction phase services include:
MES structures California construction phase services around the specific permit conditions and mitigation requirements applicable to your project location rather than applying generic construction oversight that misses California-specific compliance obligations.
Startup and commissioning covers engineering activities required to bring water and wastewater systems from construction completion to agency acceptance and operational readiness in California.
For water distribution systems in California, startup and commissioning involves:
For wastewater collection systems in California, startup and commissioning involves:
MES coordinates startup and commissioning milestones with California contractors and schedules testing to align with lot release schedules so agency acceptance documentation is complete before certificates of occupancy are needed.
California land development construction delays share some causes with other states but include California-specific sources that developers from other markets consistently underestimate when working in California for the first time.
California-specific construction delay sources include:
MES addresses California-specific delay sources through pre-construction coordination that identifies biological survey windows, SWPPP requirements, and mitigation monitoring obligations before contractors mobilize rather than discovering them as construction constraints after schedules are already committed.
The Regional Board Construction General Permit applies to California land development projects disturbing one acre or more of land, and its requirements affect construction scheduling, erosion control installation, and storm response obligations throughout the construction period.
Key Construction General Permit requirements that affect California development construction include:
Permit violations including inadequate erosion control, missed qualifying storm responses, or SWPPP non-compliance can result in Regional Board notices of violation with financial penalties and mandatory corrective action schedules.
MES coordinates Construction General Permit compliance as part of California construction administration services, managing SWPPP implementation, qualifying storm response coordination, and Regional Board reporting so permit compliance obligations don’t become construction schedule surprises.
California land development construction involves more inspection agencies than most other states, and the specific inspections required depend on project location, environmental document type, and permit conditions.
Standard agency inspections for California land development construction include:
CEQA-driven construction monitoring requirements that vary by project include:
California coastal developments add Coastal Commission compliance inspections. Fire hazard zone developments add fire authority inspections for access roads and fuel modification zones. MES coordinates all applicable inspections for California developments and schedules them to align with construction sequencing so inspections don’t become bottlenecks that idle construction crews.
Project closeout for a California land development takes longer than most other states because of the number of agencies requiring acceptance documentation and the CEQA mitigation monitoring reporting that continues through construction completion.
California development project closeout typically includes:
California closeout timelines from construction completion to final map recording:
MES compiles closeout documentation progressively during construction so acceptance packages are ready to submit immediately after construction milestones complete rather than becoming the last deliverable holding up lot closings.
As-built documentation for a California land development records actual constructed conditions and satisfies requirements from multiple agencies that each need specific documentation before accepting public improvements.
Required as-built documentation for California land developments typically includes:
Responsibility for as-built production is shared between contractors who maintain field records and the engineer of record who incorporates field records into as-built drawings meeting agency submission standards.
MES compiles as-built documentation progressively during California construction rather than assembling it from contractor records after the project finishes, producing more accurate as-builts and preventing the documentation backlog that delays final map recording.
Pre-construction services for a California land development cover activities between permit issuance and contractor mobilization that prevent the field problems, compliance failures, and change orders that California’s regulatory environment makes significantly more expensive than in other states.
Pre-construction services for California developments include:
MES conducts pre-construction services specifically to eliminate the field problems and compliance failures that result from California contractors mobilizing without complete information about site conditions, CEQA requirements, and regulatory compliance obligations.
The same engineering firm that produced design documents is not required to provide construction administration in California, but using the design engineer for construction oversight produces better outcomes in California’s complex multi-agency regulatory environment.
Specific advantages of design engineer construction administration in California include:
MES provides construction administration for California developments where we produced the design and for developments where another firm produced design documents. Where we didn’t produce the design, we conduct a thorough permit and plan review before construction begins so our field engineers understand both design intent and the specific regulatory requirements each California permit imposes.
Regional Board Construction General Permit violations during California land development construction are almost entirely preventable through SWPPP preparation, pre-rainy season compliance, and qualifying storm response protocols implemented before violations occur rather than corrected after notices of violation are issued.
Most common Regional Board violation sources and their prevention:
Regional Board notices of violation carry financial penalties and mandatory corrective action schedules that add cost and time to California construction projects. More significantly, repeated violations can affect permit standing for future projects in the same Regional Board jurisdiction.
MES manages Regional Board Construction General Permit compliance as part of California construction administration services, implementing SWPPP protocols that prevent violations rather than responding to them after they occur.