Hydrologist via Indeed

Yuba County Water Agency

Marysville, CA, US

Salary Range: $83,969.60 – $102,086.40 / annually

$40.37 – $49.08 / hour

Class specifications are intended to present a descriptive list of the range of duties performed by employees in the class. Specifications are not intended to reflect all duties performed within the job.


Under general direction of the Supervising Hydrographer, the Hydrologist collects, analyzes, processes and maintains hydrologic and meteorological data to support Yuba Water Agency in its mission to provide reliable water supply for irrigation, groundwater management, flood control, power generation, and to maintain water rights and meet minimum flow requirements.


The Hydrologist is the entry-level classification in this series. Individuals in this classification learn to perform a variety of activities related to the collection, analysis, and maintenance of hydrographic, hydrologic, meteorological and land use data reflecting water availability, needs, uses and rights. As experience and proficiency are gained, assignments become progressively more diversified and difficult, while supervision gradually decreases. Work is performed with a broad framework of general policy requiring discipline and a conceptual understanding of Agency goals and objectives. The work is expected to be carried out in an ethical and accurate manner within an atmosphere of teamwork.


The following duties are typical for this classification. Incumbents may not perform all of the listed duties and/or may be required to perform additional or different duties from those set forth below to address business needs and changing business practices.

  • Read a variety of gauges, flow meters, dataloggers, and similar instruments to gather meteorological and hydrographic data including precipitation, evaporation, water and air temperature, snow pack and air movement; rates of flow and quantity of water flow in streams and conduits; groundwater levels, water tables, and reservoir levels; inflows and releases from various reservoirs; water diverted or pumped from water courses for irrigation.
  • Make streamflow and canal irrigation flow measurements in rivers, creeks, and canals using current meters, acoustic doppler current profilers (ADCPs), and acoustic velocity meters (AVMs).
  • Calibrate streamflow gages, release valves, and other hydrographic and hydrologic equipment.
  • Program dataloggers to communicate and store data from pressure sensors, bubblers, temperature sensors, and acoustic flowmeters.
  • Customize and program computer software to store, analyze, and report hydrographic and hydrologic data.
  • Assist in hydrologic studies lead by more senior scientific or engineering staff,
  • Enter hydrographic and hydrologic records into computer format; develop graphics and spreadsheets to display this data; transfer data from field notes to permanent office records.
  • Use the data collected to compute means, normal, cumulative totals, and other information using statistical and hydraulic formulae.
  • Investigate and install, or direct the installation of hydrologic and meteorological instruments, telemetry equipment and shelters; determine suitable locations to install equipment and conduct special studies.
  • Assist in developing and maintaining effective relations with Yuba Water employees, representatives of other governmental and private agencies, and property holders concerning water supply and use.
  • Prepare written reports, correspondence, memoranda, graphic charts, records, and flow diagrams, and provide this information to other Yuba Water users, the media, and public and private organizations; analyze data and prepare a variety of periodic and special reports.
  • Operate valves to regulate canal and river flow.
  • Assist and advise other Yuba Water users in methods of collection of water data.
  • Assist and back-up the ditchtenders, when necessary.
  • Regular attendance and adherence to prescribed work schedule to conduct job responsibilities.
  • Perform other related duties, as required.


  • Hydrographic, hydrologic and meteorological data.
  • Principles and methods of preparing charts, maps and graphs.
  • Streamflow and groundwater measurements.
  • Principles of hydrology.
  • Data processing and computer applications.


  • Making arithmetic calculations.
  • Reading charts and graphs.
  • Excel and MS Office Suite.


  • Learn the methods and techniques involved in collecting hydrographic, hydrologic and meteorological data.
  • Learn state and federal reporting procedures for agencies such as USGS, FERC and State Water Resources Control Board.
  • Learn the use limitations and maintenance of equipment and instruments used in collecting such data.
  • Learn engineering principles underlying the collection of such data.
  • Learn field survey techniques.
  • Learn to program dataloggers and manage databases.
  • Learn to read planimetric, topographic and groundwater maps, aerial photos, and property descriptions.
  • Prepare and maintain accurate field notes and records.
  • Work with minimum supervision.
  • Establish and maintain effective working relationships.
  • Work outdoors under a variety of climatic and geographic conditions.
  • Work overtime as needed, and some irregular hours, as directed.

The conditions herein are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential job functions.

Environment: Work is primarily performed outdoors, in an industrial plan and in a standard office setting with some travel from site to site; exposure to noise, dirt, dust, traffic, electrical energy, and high voltage; may work irregular hours; work and/or walk on various types of surfaces including slippery or uneven surfaces and rough terrain; may be required to stand or sit for prolonged periods of time; to occasionally stoop, bend, kneel, couch, reach, and twist; may be required to fly in various aircraft, such as helicopters; to operate office equipment requiring repetitive hand movement and fine coordination including use of a computer keyboard; to operate equipment and vehicles, such as an ATV/UTV; and to verbally communicate to exchange information; frequent opportunity and requirements to interact with the general public and property owners, contractors, suppliers and state, federal, county and other public agencies.

Physical: Primary functions require sufficient physical ability and mobility to work in an office setting and in a field environment; including sufficient agility to climb ladders and embankments, walk through flowing water and swim moderate distances, and sufficient strength to carry up to 50 pounds of recording equipment, and use a shovel or sledge hammer, all while using safe lifting practices.

Vision: See in the normal visual range with or without correction.

Hearing: Hear in the normal audio range with or without correction.


The minimum and preferred requirements are listed below. While the following requirements outline the minimum qualifications, the Agency reserves the right to select applicants for further consideration who demonstrate the best qualifications match for the job. Meeting the minimum qualifications does not guarantee further participation in the selection process.

Equivalent of a Bachelor’s degree from an accredited college or university with major coursework in Water/Hydrology, Meteorology, Geology, Physical Geography, Climatology, Water Resources, Engineering, Soils, Natural Resources, Geology or related field.

License or Certificate:
Possession of or ability to obtain and maintain an appropriate, valid driver’s license.

This position is subject to call out at any time and must reside close enough to travel to the Marysville office within one hour.

Employment is subject to passing a physical examination, including a drug test. May be subject to a pre-employment background check.