Water
LAN delivers comprehensive engineering services for water systems, including the planning, design, and construction of water supply, transmission, and distribution infrastructure to ensure reliable, high-quality water for growing communities.
Program and Asset Management
LAN delivers comprehensive Program and Asset Management services, acting as an extension of our clients to oversee complex capital programs and optimize the performance, value, and longevity of their assets.
Program scope, schedule, and budget verification
Master budget and schedule development
Project prioritization and capital improvement planning
Asset management and condition assessment
Grant and funding assistance
Services
Delivery and contracting strategies
Designer and contractor procurement
Design and construction oversight
Change order management and value engineering
Life cycle assessments
Program progress reporting
Owner’s representation and general Engineering consultant (GEC) services
Community engagement and public relations
Project Gallery
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![An aerial view of a construction site with heavy machinery building a pipeline through a cleared area, surrounded by trees and natural landscape.]()
Asset Management Program – City of Sugar Land
LAN led a citywide asset management and risk assessment program, including facility condition assessments and the development of a GIS-based tool for ongoing risk-based management.
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![Aerial view of a construction site with large blue pipes lies near a highway overpass and a winding road, with grass fields and wooded areas nearby.]()
Surface Water Transmission Program – City of Houston
For over 30 years, LAN served as Program Manager for the $660 million program, delivering more than 300 miles of transmission and distribution mains and managing over 170 engineering projects.
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![Construction workers installing large pipeline under a clear blue sky with bulldozers and cranes on site.]()
Lake Ralph Hall Water Conveyance System – North Texas Municipal Water District
LAN serves as the General Engineering Consultant, providing comprehensive program management for the Lake Ralph Hall Raw Water Conveyance System, which includes overseeing design, permitting, property acquisition, and construction of over 32 miles of large-diameter pipeline, a major pump station, and a balancing reservoir.
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![An aerial view of a highway construction site with large blue pipes laid out along a dirt road, overpasses and traffic in the background, and a mix of wooded and grassy areas.]()
Northeast Transmission Line –City of Houston
LAN served as Program Manager and Technical Advisor for the NETL, leading planning, design, and construction management for 16.5 miles of 108-inch waterline that delivers treated surface water from Lake Houston to regional water authorities, serving over 900,000 homes and supporting the region’s long-term water supply and subsidence reduction goals.
Growth and Master Planning
LAN delivers comprehensive growth and master planning services that help communities and organizations anticipate, manage, and accommodate future growth through strategic infrastructure, utility, and facility planning.
Master planning (water, wastewater, stormwater, facilities, transportation)
Capital improvement plan (CIP) development
Impact fee analysis
Services
Asset management
Forecasting and population/demand projections
Operations and maintenance planning
Regulatory compliance and permitting
Hydraulic and system modeling
Funding and financial planning
Stakeholder and public engagement
Condition and facility assessment
Project Gallery
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![An aerial view of a construction site with heavy machinery, including an excavator and a crane, working on a dirt road surrounded by trees.]()
Citywide Large Diameter Waterline Assessment & Master Planning – City of Corpus Christi
LAN assessed the city’s transmission waterlines and developed a comprehensive Water Master Plan and CIP to address future supply and demand needs.
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![Aerial view showing road construction with blue pipes along a dirt road, adjacent to an elevated highway, with surrounding open fields, trees, and a few buildings in the distance.]()
Integrated Water Master Plan – City of Laredo
LAN created a plan integrating water supply, demand, and quality, with phased capital improvements to support growth and system resilience.
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![Construction workers inspecting a large underground pipeline at a construction site with excavators and cranes under a partly cloudy sky.]()
Integrated Water & Wastewater Master Plans – City of Schertz
LAN prepared water master plans, system models, and an impact fee analysis to guide infrastructure investment and support anticipated growth.
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Water Master Plan & Capital Improvement Plan – City of Conroe
LAN developed a 25-year water master plan and CIP to guide system improvements and accommodate a rapidly growing population.
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Water Supply Planning – McLennan County
LAN served as the lead consultant for McLennan County’s water planning efforts, providing technical analysis, hydraulic modeling, and strategic recommendations to support long-term water supply, distribution, and infrastructure improvements for the county and its regional partners.
State and Federal Grant and Loan Application Support
LAN provides comprehensive support for state and federal grant and loan applications, guiding clients through funding identification, application development, and compliance to secure critical resources for infrastructure and resilience projects.
Services
Stakeholder engagement and public meeting facilitation
Regulatory compliance (NEPA, TDEM, HUD, etc.)
Grant administration, reporting, and documentation support
Project scoping, budgeting, and cost estimation for funding applications
Funding opportunity identification and strategy development
Preparation and submission of grant and loan applications
Benefit-cost analysis (BCA) and alternatives evaluation
Post-award grant management and closeout
Assistance with matching fund strategies and leveraging multiple funding sources
Coordination with funding agencies and partners
Project Gallery
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![An aerial view of a construction site with heavy machinery, including a large crane and excavators, working on laying pipes in a cleared area surrounded by trees.]()
Halls Bayou CDBG-MIT Grant Applications – Harris County Flood Control District
LAN managed and developed two $100M grant applications to fund stormwater detention basins and channel improvements for the Harris County Flood Control District, supporting major flood risk reduction efforts.
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![Aerial view of a highway overpass and a construction site with large blue pipes and construction equipment.]()
Water Supply Planning & Grant Application – McLennan County
LAN developed a water marketing strategy and prepared a successful Bureau of Reclamation WaterSMART grant application, resulting in a 50% grant award for water supply improvements.
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![Construction workers on a pipeline trench with heavy machinery, including excavators and a crane, under a blue sky with scattered clouds.]()
Grant Application & County-Wide Hazard Mitigation Action Plan (HMAP) – Aransas County
LAN assisted Aransas County and multiple jurisdictions in developing a FEMA grant application and a county-wide HMAP, addressing all hazards and prioritizing mitigation strategies for flood and hurricane risks.
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Flood Protection Planning Grant (FPPG) Application – City of Beaumont
LAN led the preparation of a $750,000 FPPG application, securing state and local funding for a comprehensive drainage master plan covering 525 miles of open channel and 800 miles of storm sewer.
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Hazard Mitigation Grant Program (HMGP) Application – City of Sugarland
LAN prepared a successful HMGP application for a Flood Early Warning System, including project definition, scope, and coordination with TDEM, resulting in FEMA funding for system installation.
Pipelines
LAN is nationally recognized for its expertise in the planning, assessment, design, and construction administration of water and wastewater pipelines, including both large and small diameter systems and pipeline rehabilitation.
Services
Preliminary engineering
Route evaluations/analysis
Hydraulic modeling
Transient analysis
Condition assessment & prioritization
Pipeline & sanitary sewer rehabilitation
Trenchless technologies & tunnels
Cathodic protection design & maintenance
Sanitary sewer evaluation study & condition assessment
System planning and modeling
Infiltration and inflow (I&I) data assessment
Overflow reduction & wastewater collection
Bypass pumping and re-routing
Service area delineation
Project Gallery
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![An aerial view of a highway overpass with construction materials including large blue pipes laid on the ground below, and surrounding roads, grassy areas, and a sports field in the distance.]()
Phase 1A Pipeline, Segment A & B – Alliance Regional Water Authority (ARWA)
LAN designed 29,000 LF of 24-inch water transmission main and associated appurtenances for the Alliance Regional Water Authority, providing cost-effective water supply solutions through extensive route analysis and permitting.
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![Construction workers and heavy machinery installing a large pipeline in a trench on a sunny day with blue sky and clouds.]()
Plano West Side Pipeline – North Texas Municipal Water District
LAN designed over 3 miles of waterline in a congested urban corridor for the North Texas Municipal Water District, utilizing trenchless methods to maintain traffic flow and access.
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![Aerial view of highway construction with large blue pipes laid along a dirt road, overpasses and traffic in distance, and surrounded by open fields and patches of forest.]()
Northeast Transmission Line (NETL) – City of Houston
LAN served as Program Manager and Technical Advisor for the City of Houston’s Northeast Transmission Line (NETL), a $450 million, 16.5-mile, 108-inch water transmission line conveying treated surface water from Lake Houston’s Northeast Water Purification Plant to west of IH-45.
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![Construction site with a large circular excavation pit, construction workers wearing hard hats and safety vests, and construction equipment.]()
Surface Water Transmission Program – City of Houston
For more than 30 years, LAN served as Program Manager for the City of Houston’s $660 million Surface Water Transmission Program (SWTP).
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![An aerial view of a construction site with heavy machinery, including excavators and trucks, working on laying a large pipeline through a forested area.]()
Atoka Raw Water Transmission Pipeline – Oklahoma City Water Utilities Trust (OCWUT)
LAN designed 14 miles of 72-inch raw water pipeline for Oklahoma City, overcoming complex creeks, road, and utility crossings to help meet the city’s long-term water demands.
Explore More
Houston Reaches Key Milestone in 72-inch Water Line Infrastructure Upgrade
Houston Public Works has reached a significant milestone in its secondary Southwest Pump Station refill line, marking a critical step in modernizing the city’s water infrastructure with a $120 million investment that strengthens water delivery and system resiliency for key areas.
Northeast Transmission Line Receives National Recognition Award from ACEC 2025 Engineering Excellence Awards
The Northeast Transmission Line has been honored with a National Recognition Award in the ACEC 2025 Engineering Excellence Awards (EEA) competition. As the largest water line project in the City of Houston’s history, this accolade is a testament to the project’s significant achievement in engineering excellence on a national scale.
Collaboration and Trust Powers Houston’s Southeast Transmission Line Project
How do you deliver reliable water to a growing city without disrupting daily life? In his latest article for WaterWorld Magazine, Manny De Pau, P.E., LEED AP, shares how the Southeast Transmission Line (SETL) project tackled aging infrastructure and set Houston up for a more resilient water future.
Pump Stations & Water Treatment
LAN delivers engineering services for pump stations and water treatment facilities, providing planning, design, and construction management to ensure reliable, efficient, and resilient water infrastructure for communities and industries.
Services
Hydraulic modeling and transient analysis
Pump station planning, design, and rehabilitation
Water treatment plant process evaluation and optimization
Electrical, SCADA, and instrumentation design
Surge protection and reliability improvements
Condition assessment and capacity evaluation
Permitting and regulatory compliance
Construction management and phasing
Value engineering and cost estimating
Environmental and hazardous materials remediation
Project Gallery
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![An aerial view of a construction site with heavy machinery, excavated earth, and a pipeline being installed through a wooded area.]()
Groundwater Facility / Re-Pump Station Improvements – City of Houston
LAN provided professional engineering services for improvements at the City of Houston’s groundwater treatment plants as part of the City’s transition from groundwater to surface water, with groundwater facilities being repurposed as backup.
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![An aerial view of a highway construction site with large blue pipes along a dirt road, adjacent to an overpass, with some vehicles and construction equipment present.]()
Ranch Town II Booster Pump Station – San Antonio Water System (SAWS)
LAN designed the replacement of the existing Ranch Town II booster pump station serving residents in Bexar County as part of SAWS’ multi-year program to rehabilitate and upgrade aging pump stations.
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![Construction site with large excavator and workers installing large underground pipeline under a partly cloudy sky.]()
Nueces River Raw Water Pump Station – City of Corpus Christi
LAN led the condition assessment and design of improvements for the Nueces River Raw Water Pump Station (NRRWPS), the only facility delivering raw water from the Nueces River to the O.N. Stevens Water Treatment Plant.
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![Large gray industrial pipeline with valves outside a building, and a group of people in safety vests and helmets in the background.]()
Joseph A. Willhelm Industrial Pump Station – Gulf Coast Water Authority
LAN performed a comprehensive assessment and risk analysis of the aging infrastructure, ultimately recommending and designing a new pump station to ensure uninterrupted service and accommodate future industrial growth.
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![Industrial piping and equipment inside a facility with a large valve, chains, and machinery.]()
Whitestone Pump Station VFD Design – Saginaw-Midland Municipal Water Supply Corporation (SMMWSC)
LAN partnered with the Saginaw-Midland Municipal Water Supply Corporation (SMMWSC) to enhance operational efficiency at the 285-MGD Whitestone Point Pumping Station.
Hydraulic and Transient Modeling
LAN is a recognized leader in hydraulic and transient modeling, providing advanced analysis and simulation services for water, wastewater, and stormwater systems.
Services
Hydraulic modeling of water, wastewater, and stormwater systems
Transient (surge) analysis for pipelines, pump stations, and treatment plants
System-wide and extended period simulation modeling
Model calibration and validation (including field testing)
Surge mitigation evaluation and device selection (air valves, surge tanks, relief valves)
Emergency shutdown and operational scenario modeling
Condition assessment and prioritization
Capital improvement planning and alternatives analysis
Training and support for client staff on modeling tools and results
Integration of GIS and SCADA data for real-time modeling and digital twin development
Project Gallery
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![An aerial view of a construction site with heavy machinery working on a road or pipeline in a wooded area.]()
Northeast Water Purification Plant (NEWPP) – City of Houston
LAN developed transient models and dynamic simulations for the $1.9B expansion, identifying improvements to mitigate potentially damaging conditions for three major pump systems.
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![An aerial view of a construction site with large blue water pipes, a two-lane road, overpasses, cars, and a mostly undeveloped area with patches of grass and trees.]()
Force Main Transient Analysis – City of Waco
LAN’s detailed transient and surge analysis for a new 54-inch force main and 104-MGD transfer lift station provided critical risk reduction and operational flexibility for the City of Waco’s wastewater system.
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![Construction workers in safety gear inspecting a large underground pipeline during pipeline installation with excavators and construction equipment on a partly cloudy day.]()
Water System Modeling & Support – City of Houston
LAN built and calibrated one of the nation’s largest all-pipes hydraulic models, supporting water quality, capital improvement, and emergency shutdown analyses for 7,500 miles of pipeline.
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![Construction workers in safety vests and helmets work around a large circular metal structure at a construction site, using a crane for heavy lifting, with a green landscape and lake in the background.]()
Lake Ralph Hall Water Transmission Program – Upper Trinity Regional Water District (UTRWD)
LAN provided hydraulic and transient modeling for over 32 miles of large-diameter pipeline and an 80-MGD pump station, recommending surge mitigation devices and optimizing system design.
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Nueces River Raw Water Pump Station – City of Corpus Christi
LAN performed hydraulic and transient modeling for pump station improvements, enabling reliable delivery of up to 116 MGD and recommending pump replacements for optimal performance.
Corrosion and Cathodic Protection
LAN provides corrosion engineering and cathodic protection services, leveraging NACE/AMPP-certified staff to conduct non-invasive analyses, testing, and design of coating systems, both impressed current and galvanic systems to extend the life of critical water and wastewater infrastructure assets.
Services
Design of galvanic (sacrificial anode) cathodic protection systems
Rehabilitation and repair of existing cathodic protection systems
Field testing and monitoring (close interval surveys, continuity testing, pipe-to-soil potential)
Commissioning and troubleshooting of CP systems
Corrosion condition assessment (external and internal)
Soil resistivity and corrosivity testing
Stray current and interference analysis
Design of impressed current cathodic protection (ICCP) systems
Corrosion mitigation recommendations and construction support
Training for client staff on corrosion control and CP system operation
Asset management and long-term maintenance planning
Project Gallery
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![An aerial view of a construction site with heavy machinery laying down a pipeline through a cleared area surrounded by trees.]()
Cathodic Protection Systems Surveys/Inspections – Dallas Water Utilities (DWU)
LAN is providing comprehensive surveys and inspections for Dallas Water Utilities, including electrical measurements, pipe-to-soil potential assessments, and recommendations for remedial measures on 28.6 miles of pipeline.
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![Aerial view of a construction site with blue pipes and single vehicles near a highway overpass and a smaller paved road, with farmland and wooded areas nearby.]()
Custer Road Waterline & Cathodic Protection – City of McKinney
Designed cathodic protection for 16,500 LF of 24-inch steel waterline, including soil testing and installation of a sacrificial anode system to protect the pipeline.
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![Construction workers installing a large pipeline in a trench at a construction site with cranes and excavators under a partly cloudy sky.]()
Surface Water Transmission Program – City of Houston
As Program Manager, LAN performed cathodic protection design, soil resistivity testing, and corrosion field testing for 300 miles of large-diameter water transmission mains.
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Bellfort 48-inch PCCP Condition Assessment – City of Houston
Performed condition assessment and updated cathodic protection systems for a 48-inch prestressed concrete cylinder pipe, identifying and mitigating external corrosion.
Groundwater, Aquifer Storage and Recovery
LAN delivers comprehensive solutions in groundwater and Aquifer Storage and Recovery (ASR), providing engineering, feasibility assessment, modeling, permitting, and design services to help clients optimize water supply, storage, and resiliency.
Services
Feasibility studies and preliminary assessments for ASR viability
Hydrogeologic investigations and aquifer characterization
Groundwater modeling and simulation (availability, flow, storage, and transport)
Regulatory permitting and compliance
Well sitting, design, and construction oversight (injection and recovery wells)
Water quality compatibility analysis and geochemical evaluation
Pipeline and conveyance system design for ASR integration
Construction management and program management
Stakeholder engagement and grant application assistance
Capital improvement planning and cost analysis
Project Gallery
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Water Resource Study – Alliance Regional Water Authorithy (ARWA)
LAN developed a comprehensive Water Sharing Plan that included facility sizing recommendations, project cost estimates, and a phased approach for conveying and treating water from the Carrizo-Wilcox aquifer to sponsor delivery locations.
