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Water Quality Modeling Jobs in California (NOW HIRING)

Brown and Caldwell

Water Reuse Engineer

Los Angeles, CA

$85K - $116K/yr

The ability to conduct analyses, modeling and designs and to produce engineering deliverables like ... Evaluate treatment approaches for water quality parameters, including constituents of emerging ...

Brown and Caldwell

Water Reuse Engineer

Irvine, CA

$84K - $116K/yr

The ability to conduct analyses, modeling and designs and to produce engineering deliverables like ... Evaluate treatment approaches for water quality parameters, including constituents of emerging ...

Brown and Caldwell

Water Reuse Engineer

San Diego, CA · On-site

$83K - $114K/yr

The ability to conduct analyses, modeling and designs and to produce engineering deliverables like ... Evaluate treatment approaches for water quality parameters, including constituents of emerging ...

Brown and Caldwell

Water Reuse Engineer

Walnut Creek, CA

$88K - $120K/yr

The ability to conduct analyses, modeling and designs and to produce engineering deliverables like ... Evaluate treatment approaches for water quality parameters, including constituents of emerging ...

Brown and Caldwell

Water Reuse Engineer

Rancho Cordova, CA · On-site

$84K - $115K/yr

The ability to conduct analyses, modeling and designs and to produce engineering deliverables like ... Evaluate treatment approaches for water quality parameters, including constituents of emerging ...

HDR

Water/Wastewater Hydraulic Modeler

San Diego, CA · On-site

Analyzing flow, demand, population, water quality, and facilities condition data * Performing ... Experience with modeling software applications such as InfoWater, InfoSewer, InfoWorks ICM ...

HDR

Water/Wastewater Hydraulic Modeler

San Diego, CA · On-site

Analyzing flow, demand, population, water quality, and facilities condition data * Performing ... Experience with modeling software applications such as InfoWater, InfoSewer, InfoWorks ICM ...

kennedyjc

Drinking Water Process Technical Expert

Irvine, CA · On-site

$150K - $200K/yr

Provide technical process and water quality expertise for municipal drinking water treatment, water ... Kennedy Jenks supports a healthy work-life balance and utilizes a hybrid model of home and office ...

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Water Quality Modeling information

What is water quality modeling?

Water quality modeling is the process of using mathematical and computational techniques to simulate how water pollutants move and change within rivers, lakes, reservoirs, and groundwater systems. These models help scientists and engineers predict the impacts of human activities, such as agriculture or industrial discharge, on water quality. Water quality models are essential tools for managing water resources, developing pollution control strategies, and complying with environmental regulations.

What are the key skills and qualifications needed to thrive as a water quality modeler?

To thrive as a Water Quality Modeler, you need a solid background in environmental science or engineering, strong analytical skills, and experience with hydrology and water chemistry. Familiarity with modeling software such as SWAT, HEC-RAS, or QUAL2K, as well as GIS applications and relevant certifications, is typically required. Excellent problem-solving, communication, and teamwork skills help convey complex findings and collaborate on multidisciplinary projects. These competencies are crucial for accurately assessing water systems, informing policy or remediation, and ensuring environmental and public health.

What are some common challenges faced by professionals working in water quality modeling, and how can they be addressed?

Professionals in water quality modeling often encounter challenges such as handling incomplete or inconsistent data, adapting models to diverse environmental conditions, and communicating technical findings to non-specialist stakeholders. Addressing these requires strong data management skills, continuous learning about new modeling techniques, and effective collaboration with field scientists and policymakers. Additionally, keeping up with regulatory changes and advancements in modeling software can help ensure reliable and actionable results.

What is the difference between Water Quality Modeling vs Water Treatment Plant Operator?

AspectWater Quality ModelingWater Treatment Plant Operator
CredentialsEnvironmental or Civil Engineering degree, certifications in modeling softwareHigh school diploma or equivalent, state licensing
Work EnvironmentOffice, laboratory, field data analysisWater treatment facilities, plant operations
Industry UsageDesigning models, analyzing water quality dataOperating treatment equipment, ensuring water safety

Water Quality Modeling focuses on creating simulations to predict water quality changes, while Water Treatment Plant Operators manage daily operations of water treatment facilities. Both roles require understanding water systems but differ in their primary tasks and work settings.

What are popular job titles related to Water Quality Modeling jobs in California?

For Water Quality Modeling jobs in California, the most frequently searched job titles are:

What job categories do people searching Water Quality Modeling jobs in California look for?

The top searched job categories for Water Quality Modeling jobs in California are:

What cities in California are hiring for Water Quality Modeling jobs?

Cities in California with the most Water Quality Modeling job openings:

Water Quality Modeling jobs near you
Infographic showing various Water Quality Modeling job openings in California as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, 3% Contract, and 1% Nights. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution.

Water Quality Lead | PE, Modeling & Regulatory Expert (Sacramento)

Sacramento, CA • On-site

McMillen, Inc.
Civil Engineering Construction • 11 - 50 employees
Learn more about McMillen, Inc.external

$94K - $125K/yr

Full-time

This job post has expired 3 days ago. Applications are no longer accepted.

Job description

A leading environmental engineering firm in California seeks a Water Quality Lead to provide technical support for complex water quality projects. The role requires a Professional Engineer license and experience in water quality modeling and regulatory compliance. Join to lead investigations, manage technical documentation, and mentor junior staff while contributing to important environmental projects.
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