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Public engineering firm profile

J. Smith & T. Muli, Inc.

San Juan Capistrano, CA

Experience engineers Excellence.

Services
16
Offices
1
Projects
6
Leaders
2

Overview

J. Smith & T. Muli, Inc. is a civil engineering practice that specializes in solving stormwater infrastructure problems and improving communities. Drawing on extensive experience, a wealth of knowledge, and abundant resources, it delivers practical and feasible engineering solutions. Its primary area of focus is stormwater engineering, planning, designing, renovating, and managing water resources facilities ranging from storm drains and channels to levees, floodplains, lakes, ponds, and reservoirs. Senior engineers actively work on every aspect of each project, serving as day-to-day contacts and project managers to ensure efficient progression, smooth approvals, and reduced costs.

Services

Stormwater & Flood Control

Comprehensive engineering solutions for stormwater systems and flood mitigation.

Water Resources & Lake Design

Specialized planning, engineering, and maintenance for natural and manmade water features.

Energy Sector Services

Civil engineering and site planning for clean energy developments.

Structural & Residential Design

Structural engineering and wood framed design services.

Industries

Firm type

Projects

Orange County Stream Gage Calibration Study

Orange County, CA

Stream gage calibration study conducted to analyze water flow dynamics in Orange County.

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OCFA Fire Station No. 47

Irvine, CA

Civil engineering and infrastructure support for the Orange County Fire Authority station facility.

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Lytle Creek Levee

Rialto, CA

Flood control and levee infrastructure engineering to address regional environmental deficiencies.

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Railroad Canyon Dam

Elsinore Valley Municipal Water District (EVMWD)

Hydrologic and civil engineering services for the dam facility.

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Laguna Canyon Channel

Laguna Beach, CA

Flood control channel engineering and design to improve municipal safety and drainage.

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The Lakes

Menifee, CA

Civil design and stormwater engineering solutions for the master-planned residential community lakes.

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Leadership

Jonis C. Smith

principal

MSCE, PE, CFM, QSD/P, ENV SP

Jonis is a seasoned professional civil engineer with over 29 years of experience in stormwater engineering, lake engineering, land development, and infrastructure engineering. He spent 17 years working alongside premier stormwater engineers in Southern California, developing a deep understanding of flood control and water resources. His experience also includes over 20 years in designing community and recreational lakes, reservoirs, and water features, applying a unique design process focused on water quality, safety, and aquatic ecosystem health.

Timothy M. Muli

principal

MSCE, PE, CFM, QSD/P, LEED AP

Timothy is a professional engineer with over 23 years of experience in stormwater management, civil design, flood control engineering, bridge hydraulics analysis, stream restoration, and water quality permitting. He is highly experienced in complex hydrology and hydraulic modeling, floodplain mapping, and processing FEMA applications. He has prepared engineering plans, specifications, and estimates for public and private sector infrastructure projects throughout California and Washington State.

Offices

Headquarters

Headquarters

33161 Camino Capistrano

San Juan Capistrano, CA 92675-4826

(949) 329-3639

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