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Assistant Hydrologist Jobs (NOW HIRING)

Chloeta

Hydrologist Project Lead

Asheville, NC · On-site

Job Summary The Hydrologist Project Lead provides technical leadership and support for watershed ... Conduct assessments of stream channels, floodplains, and impacted landscapes * Assist in design and ...

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Assistant Hydrologist information

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$28K

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$117K

How much do assistant hydrologist jobs pay per year?

As of Sep 4, 2026, the average yearly pay for assistant hydrologist in the United States is $62,774.00, according to ZipRecruiter salary data. Most workers in this role earn between $38,000.00 and $88,500.00 per year, depending on experience, location, and employer.

What does an assistant hydrologist do?

An Assistant Hydrologist supports senior hydrologists in studying how water moves across and through the Earth's crust. Their responsibilities often include collecting water samples, conducting field surveys, analyzing data on rainfall, river flow, and groundwater levels, and preparing technical reports. They may assist in projects related to water resource management, flood control, and environmental protection. This role is essential in helping organizations make informed decisions about water use and conservation.

What are the typical challenges faced by assistant hydrologists in their daily work?

Assistant Hydrologists commonly encounter challenges such as collecting precise field data in varying weather conditions, ensuring the accuracy of hydrological models, and managing multiple projects with tight deadlines. They must also adapt to evolving environmental regulations and collaborate closely with engineers, environmental scientists, and government agencies. Developing strong analytical and communication skills is essential, as these professionals often interpret complex data and present findings to both technical and non-technical audiences.

What are the key skills and qualifications needed to thrive as an assistant hydrologist, and why are they important?

To thrive as an Assistant Hydrologist, you need a solid background in hydrology, environmental science, or civil engineering, often supported by a bachelor's degree in a related field. Familiarity with GIS software, hydrological modeling tools, and data collection equipment is typically required. Strong analytical thinking, attention to detail, and effective communication skills help you interpret data and collaborate with multidisciplinary teams. These skills are essential to accurately assess water resources, support environmental decision-making, and ensure the success of hydrological projects.

What is the difference between Assistant Hydrologist vs Hydrologist?

AspectAssistant HydrologistHydrologist
Required CredentialsBachelor's degree in hydrology, environmental science, or related field; some roles may require internship experienceBachelor's degree; often a master's or higher preferred; professional certification may be advantageous
Work EnvironmentFieldwork, data collection, assisting senior staff, office analysisMore independent analysis, project management, and decision-making
Employer & Industry UsageGovernment agencies, environmental consulting firms, research institutionsSimilar employers, often with increased responsibilities and specialization

The main difference between an Assistant Hydrologist and a Hydrologist lies in experience and responsibilities. Assistant Hydrologists typically support senior staff with data collection and analysis, while Hydrologists take on more independent project management and complex analysis. Both roles require similar educational backgrounds, but the Hydrologist position often demands higher experience and certifications.

Are assistant hydrologists in high demand?

Assistant hydrologists are in moderate demand, with employment opportunities growing as water resource management and environmental monitoring become increasingly important. The role often requires skills in data analysis, GIS, and hydrological modeling, and demand can vary by region and industry needs.

What jobs can an assistant hydrologist do?

An assistant hydrologist typically supports senior hydrologists by collecting and analyzing water data, preparing reports, and assisting with water resource management projects. They may work with GIS tools, hydrological models, and field equipment, often under supervision, to help develop water conservation strategies and ensure environmental compliance.
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Cities with the most Assistant Hydrologist job openings:

What are the most commonly searched types of Hydrologist jobs?

The most popular types of Hydrologist jobs are:

What states have the most Assistant Hydrologist jobs?

States with the most job openings for Assistant Hydrologist jobs include:

What job categories do people searching Assistant Hydrologist jobs look for?

The top searched job categories for Assistant Hydrologist jobs are:

Assistant Hydrologist jobs near you
Infographic showing various Assistant Hydrologist job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $62,774 per year, or $30.2 per hour.

Hydrologist III - IV

Texas Commission on Environmental Quality

Harlingen, TX

Full-time

Medical, Dental, Vision, Retirement

Re-posted 26 days ago

Texas Juvenile Justice Department rating

7.7

Company rating: 7.7 out of 10

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Job description

Company Description

The Texas Commission on Environmental Quality strives to protect our state's public health and natural resources consistent with sustainable economic development. Our goal is clean air, clean water, and the safe management of waste.

Job Description

APPLY ON TCEQ WEBSITE ONLY

https://capps.taleo.net/careersection/582/jobdetail.ftl?job=00051034&tz=GMT-06%3A00&tzname=America%2FChicago

Are you an experienced Hydrologist, ready for a unique opportunity to grow with an environmental state agency?

YOUR FUTURE TEAM

As a hydrologist within the TCEQ's Office of Water, you will join the Water Availability Division's Rio Grande Watermaster Program, responsible for monitoring streamflow and reservoir levels and managing water rights within the Rio Grande.

See details about what we do.

See details about the Rio Grande Watermaster program

See details about surface water rights and water availability

Hydrologist: The level of complexity for the tasks below will vary based on applicants' minimum qualifications. 

HERE'S WHAT YOU'LL BE DOING...

  • These positions' primary responsibility will be to perform advanced hydrological analyses for the Rio Grande Watermaster Program and assist in providing technical support for the Rio Grande and Pecos River Compacts and international water treaties.
  • The position requires skilled communication to present technical or regulatory information to governmental agencies, stakeholders, the public, and agency staff. The position will also represent the agency on inter- and intra- agency committees and/or workgroups, and facilitate or participate in public meetings. 
  • Specifically, these positions will:
  • Lead and/or conduct advanced senior-level hydrological analyses of Rio Grande Watermaster Program operations using Water Availability models (WAMs), Riverware models, standard hydrologic practices and principles, and statistical procedures. 
  • Utilize Microsoft Excel's advanced features to analyze complex surface water hydrologic data and accounting.
  • Provide technical support for international water treaties using hydrologic modeling and statistical analyses to identify data issues and determine long-term trends.   
  • Provide technical support for the Rio Grande and Pecos River Compacts including the preparation of annual accountings of water deliveries for the State of Texas.
Qualifications

KEY QUALIFICATIONS

  • Experience or academic coursework, that includes performing complex surface water hydrological analysis. 
  • Experience working with RiverWare.
  • Experience with the legal framework governing water rights in Texas, including management of Texas' water rights in the Amistad/Falcon reservoir system.
  • Experience using Water Availability Model (WAMS) and/or surface water simulation models such as Riverware. 
  • Experience working with Excel and compiling and analyzing large volumes of data.

EDUCATION & EXPERIENCE

Hydrologist III

A bachelor's degree in hydrology, engineering, geology, mathematics, or natural or physical science from an accredited college or university, plus four years of full-time experience performing hydrologic work of similar character, scope, and complexity in the areas listed in examples of work performed.

OR 

A master's degree in hydrology, engineering, geology, mathematics, or a natural or physical science from an accredited college or university, plus three years of the full-time experience.

OR 

A doctorate in hydrology, engineering, geology, mathematics, or a natural or physical science from an accredited college or university, plus two years of the full-time experience.

Hydrologist IV

A bachelor's degree in hydrology, engineering, geology, mathematics, or natural or physical science from an accredited college or university, plus six years of full-time experience performing hydrologic work of similar character, scope, and complexity in the areas listed in examples of work performed.

OR

A master's degree in hydrology, engineering, geology, mathematics, or a natural or physical science from an accredited college or university, plus five years of the full-time experience.

OR

A doctorate in hydrology, engineering, geology, mathematics, or a natural or physical science from an accredited college or university, plus four years of the fulltime experience.

TRANSCRIPTS / COLLEGE HOURS OR COURSE WORK

See instructions on how to attach documents. A copy of your official college transcript or evaluation of foreign credentials for U.S. equivalency in CAPPS is required if needed to meet the minimum qualification requirements outlined above.

BENEFITS

  • Optional 401(k) and 457 plans
  • Insurance: Health, Vision, Dental, and optional FSA
  • Paid day(s) off from work on national holidays and holidays that the state observes
  • Professional development opportunities
  • Longevity pay based on your number of years working for the state
  • Wellness Program and Activities
  • Onsite Nurse Practitioner in HQ
  • Work-Life Balance

CONDITION OF EMPLOYMENT

TCEQ will conduct a criminal history records search, driving history (if required for the job) on candidates offered employment.

In compliance with ADA, if you need any special accommodations during the employment process, please contact HRSS for assistance at (512) 239-0102.

MILITARY OCCUPATIONAL SPECIALTY (MOS) CODES

Military Occupational Specialty (MOS) codes can be found at: https://hr.sao.texas.gov/CompensationSystem/JobDescriptions/. Please click the hyperlink under 'Occupational Category' for the respective Class Title.

Texas Commission on Environmental Quality is an Equal Opportunity Employer.

Additional Information

APPLY ON TCEQ WEBSITE ONLY

https://capps.taleo.net/careersection/582/jobdetail.ftl?job=00051034&tz=GMT-06%3A00&tzname=America%2FChicago

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