Environmental and Hydrologic Engineering
Luis Hernandez y Asociados, CSP (LHA) is an engineering professional services corporation specialized in environmental and hydrologic engineering, with extensive experience in the planning and design of water and wastewater infrastructure projects. It provides a full range of consulting services including complete design of water and wastewater infrastructure, sludge management systems, hydrologic and hydraulic analyses, and construction supervision. The practice operates in Puerto Rico and has completed major projects for the Puerto Rico Aqueduct and Sewer Authority.
Luis A. Hernandez VazquezPresident
Develops comprehensive engineering designs for treatment plants, pump stations, and distribution networks.
Modernizes filtration, chemical injection, and purification systems to ensure regulatory compliance and improve water quality.
Designs and integrates solid-waste and sludge treatment infrastructure within water processing operations.
Conducts evaluations of water resource systems to predict behavior and optimize flow dynamics.
Evaluates watershed run-off, maximum flood rates, and critical low-flow conditions to support resource management.
Provides essential preparatory and regulatory documentation to advance infrastructure developments from concept to execution.
Formulates feasibility studies and technical assessments required to secure project approvals and funding.
Navigates complex environmental rules to obtain necessary clearances and compliance certificates.
Delivers field surveys, subsurface exploration, detailed technical specifications, cost estimations, and final construction drawings.
Provides field oversight and technical monitoring during the construction phase of water resource projects.
Monitors worksites to ensure conformance with design drawings, engineering specs, and safety standards.
Wastewater · Water Supply · Water Resources · Government
Toa Alta, Puerto Rico · Water Supply · Client: Puerto Rico Aqueduct and Sewer Authority
Upgraded chemical injection, coagulation, sedimentation, and filtration processes, and installed a process control system at the second largest water treatment facility in Puerto Rico.
Ponce, Puerto Rico · Water Supply · Client: Puerto Rico Aqueduct and Sewer Authority
Evaluated compliance, upgraded the coagulation process, retrofitted pulsation clarifiers with high-rate hydraulic pulsation clarification, upgraded filter basins, and installed UV reactors to achieve Cryptosporidium and virus inactivation.
Yauco, Puerto Rico · Water Supply · Client: Puerto Rico Aqueduct and Sewer Authority
Expanded the facility to meet projected water demand and comply with SDWA regulations, converting existing filtration basins to immersed low-pressure ultrafiltration membranes, adding membrane trains, and building a new contact tank, pump station, and sludge treatment system.