Lake Aide I positions perform physically active work such as loading/unloading from boats various equipment and materials which may weigh in excess of 50 pounds; clearing plant growth, weeds, litter, etc.; cleaning and repairing boats; cleaning and emptying portable restrooms; drive a pickup truck; digging holes and trenches; assisting in minor construction of fences, gates, etc.; checking reservoir recreation permits; weighing fish; recording information on standard forms; providing information to the public; enforcing rules/regulations; collecting fees at designated reservoirs; and performing other duties as assigned.

Lake Aide II positions respond to incidents at City reservoirs involving accidents or injuries; perform maintenance work on reservoir grounds, boats, dock pipelines and other reservoir equipment and facilities; operate a variety of maintenance and repair equipment; check boating, fishing and hunting permits; enforce City reservoir rules and regulations; and perform other duties as assigned.

Assistant Reservoir Keeper positions patrol and safeguard dam and reservoir areas against trespassers and livestock; issue warnings for violation of reservoir rules and policies; respond to general inquiries from the public; perform semiskilled maintenance and repair work using small power and hand tools to do carpentry, mechanical work, plumbing and painting; assist in the development of job-related interpretive programs and in the preparation of exhibits and publications; perform general landscaping and grounds maintenance work such as planting trees and pruning shrubbery; clean, maintain and assist in the repair of flumes, siphons, sand traps, blow off valves and vaults along conduits and pipelines; regulate the flow of reservoir water; climb outlet towers at heights up to 170 feet; read and record daily readings; lead the work of personnel in the repair and maintenance of reservoir facilities; keep records and prepare reports; and perform other duties as assigned.

Reservoir Keeper positions patrol and safeguard dam and reservoir areas against trespassers and livestock; supervise, train and evaluate subordinates; use small power and hand tools to perform semi-skilled carpentry, mechanical, plumbing, painting, general maintenance and repair work; develop interpretive programs and prepare exhibits; perform general landscaping and grounds maintenance work such as planting trees and pruning shrubbery; act as the City's liaison with schools and community groups regarding dam or reservoir issues; clean, maintain and assist in the repair of flumes, siphons, sand-traps, blow-off valves and vaults along conduits and pipelines; issue warnings for violation of dam or reservoir rules and policies; regulate the flow of reservoir water; climb outlet towers; read and record reservoir information daily; respond to general inquiries from the public; keep records and prepare reports; and perform other duties as assigned.

Ranger/Diver I positions patrol by foot and in emergency-equipped vehicles and vessels to assist patrons in distress and to ensure the safety of the public engaged in all recreational activities at City reservoirs; maintain vigilant surveillance over an assigned area; identify hazards and at-risk public behaviors to proactively reduce accidents; perform shoreline and water-related rescues; enforce municipal, county and state laws; issue warnings and citations; testify in court regarding matters of enforcement and litigation; administer first aid, emergency care and life support in the capacity of an Emergency Medical Technician; act as a "first responder" in emergencies until advanced life support personnel arrive; perform dive team support; perform a variety of skilled and semi-skilled underwater dive tasks; assist in maintaining water quality and safeguard sensitive biological and archeological resources; keep accurate records, write reports and maintain safety equipment, facilities and supplies; interact regularly with the public providing information, warnings and support services; monitor emergency radio traffic and respond or dispatch personnel to calls for assistance; assist in conducting aquatic events and water safety programs; maintain required certifications and training; and perform other duties as assigned.

Ranger/Diver II positions supervise, train, evaluate and participate in the work of Ranger/Diver I positions who patrol by foot and in emergency-equipped vehicles and vessels to assist patrons in distress and to ensure the safety of the public engaged in all recreational activities at City reservoirs; maintain vigilant surveillance over an assigned area; identify hazards and at-risk public behaviors to proactively reduce accidents; perform shoreline and water-related rescues; enforce municipal, county and state laws; issue warnings and citations; testify in court regarding matters of enforcement and litigation; administer first aid, emergency care and life support in the capacity of an Emergency Medical Technician; act as a "first responder" in emergencies until advanced life support personnel arrive; assist in maintaining water quality and safeguard sensitive biological and archeological resources; keep accurate records, write reports and maintain safety equipment, facilities and supplies; interact regularly with the public providing information, warnings and support services; monitor emergency radio traffic and respond or dispatch personnel to calls for assistance; assist in conducting aquatic events and water safety programs; perform confined space entry procedures to support dive operations/tending requirements; dive to depths up to 120 feet using basic scuba gear or potable water entry equipment and confined space entry procedures for the purpose of conducting under water surveys, recovery work, repair and maintenance of equipment and water storage facilities; investigate accidents; provide feedback to assist with rating subordinate employee work performance; assist in the development and monitoring of subordinate training needs; plan and delegate Ranger/Diver I work assignments; and perform other duties as assigned.