ARTICLE 5. Investigation of Water Development Projects [12616. - 12634.3.]

Cal. Water Code - WAT 5.

in effect

Cal. Water Code - WAT § 12616. Section 12616.

The department may conduct investigations of the water resources of the State, formulate plans for the control, conservation, protection, and utilization of such water resources, including solutions for the water problems of each portion of the State as deemed expedient and economically feasible, and may render reports thereon. In conducting such investigations and formulating such plans, the department may conduct investigations and surveys to determine the availability, usability, extents, and boundaries of underground basins.

Cal. Water Code - WAT § 12617. Section 12617.

The department, upon its own initiative, or when requested in writing by a county, city, state agency or public district, may investigate, conduct surveys and studies, prepare plans and estimates, and render reports concerning control, conservation, protection, and utilization of water resources, including recommendations for plans and projects. The department may at any time in its discretion enlarge or restrict the scope of any investigation, survey or study as it may determine the public interest requires.

Cal. Water Code - WAT § 12617.1. Section 12617.1.

The department, in making investigations and plans for water projects and for the solution of the water problems of the state pursuant to Sections 12616 and 12617, shall include plans and recommendations for the protection of the quality of the waters affected, including downstream waters, with respect to all sources of impairment and factors affecting quality. In doing so, the department shall cooperate with counties, cities, state agencies, and public districts to the end that planning for water quality control shall be coordinated to the maximum extent possible. Such plans and recommendations shall be transmitted to the State Water Resources Control Board and to the appropriate California regional water quality control boards for their consideration in the adoption of state policy for water quality control, water quality control plans, and waste discharge requirements.

Cal. Water Code - WAT § 12618. Section 12618.

The department may recommend the construction of any project, including the time for constructing it, and the amount of funds which should be allocated or appropriated to counties, cities, state agencies or public districts for the project.

Cal. Water Code - WAT § 12619. Section 12619.

Reports and recommendations shall be submitted by the department to each county, city, state agency, or public district which has appeared at any hearing held pursuant to Section 12623.

Cal. Water Code - WAT § 12620. Section 12620.

Within 90 days from the date of submission of the report and recommendations of the department, or within such extended period as the department may grant for good cause shown, the written views and recommendations of each county, city, state agency or public district which has appeared at any hearing may be submitted to the department.

Cal. Water Code - WAT § 12621. Section 12621.

After the expiration of the period or extended period for the submission of written views and recommendations, or prior thereto in the event all those entitled to submit written views and recommendations have done so, or have signified their intention not to do so, the department shall transmit (1) the department’s report and recommendations to the Governor and to the Legislature together with (2) any submitted views and recommendations of the county, city, state agency, or public district and together with (3) such supplementary report and recommendations as the department may deem appropriate.

Cal. Water Code - WAT § 12622. Section 12622.

Investigations which form the basis of any reports and recommendations of the department shall be conducted to the extent deemed practicable by the department in such a manner as to give to any interested county, city, state agency or district during the course of the investigations, information developed by the investigations, and opportunity for consultation and cooperation.

Cal. Water Code - WAT § 12623. Section 12623.

Prior to adoption of any report and recommendations authorized pursuant to Sections 12616 to 12622, inclusive, and Section 12626, the department shall hold a hearing or hearings pursuant to this part and give notice thereof as provided for in Sections 12632, 12633, and 12634.

Cal. Water Code - WAT § 12624. Section 12624.

In making recommendation to the Legislature respecting the amount of financial assistance to be given by the State, as provided for in Sections 12616 to 12623, inclusive, and Section 12626, the department shall recommend the total estimated amount which should be paid by the State for lands, easements and rights of way necessary in connection with the construction of any such project, and what proportion, if any, of the cost of the project should be paid by the county, city, state agency, or public district.

Cal. Water Code - WAT § 12625. Section 12625.

In determining the cost of any project, damage to fish and wildlife that will probably result shall be included in the amount of the cost.

Cal. Water Code - WAT § 12626. Section 12626.

Reports and recommendations made by the department shall be advisory only and the Legislature shall finally determine the priorities in building such projects and the amount of aid to each project which is approved.

Cal. Water Code - WAT § 12627. Section 12627.

It is the intention of the Legislature that the department shall investigate all phases of any proposed water project, including flood control, water conservation, domestic and irrigation use, and power development, but not excluding other uses, so that a county, city, state agency, or public district affected, and the Legislature, may have the benefit of investigations and recommendations of the department upon such projects in order to assure the fullest development of the water resources of the State.

Cal. Water Code - WAT § 12627.3. Section 12627.3.

It is declared to be the policy of the State that the costs of solution of seepage and erosion problems which arise or will arise by reason of construction and operation of water projects should be borne by the project.

Cal. Water Code - WAT § 12627.4. Section 12627.4.

The department, in making investigations and plans for water projects and in making recommendations thereon to the Governor and the Legislature, shall include therein consideration of seepage and erosion problems which may arise in connection with the construction and operation of the proposed project, the effect of the proposed project thereon, and plans for the solution thereof as a part of the project development.

Cal. Water Code - WAT § 12628. Section 12628.

In a multiple-type project authorized and adopted by Congress, which includes, in addition to works for flood control purposes, works and construction for other than flood control purposes, only that portion of the project which is deemed by the department to be necessary for flood control purposes shall be eligible for financial assistance from the State.

Cal. Water Code - WAT § 12629. Section 12629.

In a multiple-type project which includes works and construction for flood control and for other than flood control purposes, and in projects which do not include any flood control works or construction, the department may recommend to the Legislature and to the United States, or any of its departments or agencies, the method of financing such works and construction.

Cal. Water Code - WAT § 12630. Section 12630.

Prior to recommending to the Legislature the approval for state assistance of any project, designed in whole or in part for flood control, adopted and authorized by Congress, and prior to the submission to the Legislature of an estimate of the total cost to the State, and prior to recommending an appropriation by the State in aid of any such project approved for state assistance by the Legislature, the department shall obtain from the appropriate agency of the Federal Government an estimate of the total cost of the project and the cost and benefit ratio, based upon then current construction costs and values, and shall submit the same to the Legislature.

Cal. Water Code - WAT § 12631. Section 12631.

The department, in addition to the reports and recommendations made to the Legislature as provided in Sections 12616 to 12623, inclusive, and Section 12626, may from time to time summarize the results of its investigations, studies, activities, and recommendations relating to flood control and other water problems and report to the Governor, and may publish the report in such form as it deems suitable to inform the people of the State concerning such flood control and other water problems as come within the scope of Chapters 1 and 2 of this part.

Cal. Water Code - WAT § 12632. Section 12632.

Prior to any hearing and prior to beginning any investigation of the water problems of any specific portion of the State pursuant to Section 12616 or any investigation pursuant to Section 12617, the department shall give such notice to the agencies or persons likely to be interested as it deems necessary to afford every opportunity for the agencies or persons to be heard, and in addition to such notice shall give further notice of any hearing or investigation by mail to any city, county, state agency, or public district, deemed likely by the department to be interested, which has filed its official name and address with the department together with a request for notice.

Cal. Water Code - WAT § 12633. Section 12633.

Notice, to those who have filed and requested service by mail, shall be sent to the respective addresses of record at the time of mailing.

Cal. Water Code - WAT § 12634. Section 12634.

Notice given as provided in Sections 12632 and 12633 shall be deemed full and sufficient notice to all parties in interest of the hearing or investigation.

Cal. Water Code - WAT § 12634.3. Section 12634.3.

The department shall submit, prior to January 1st of each year, a report to the California Water Commission summarizing its activities, with emphasis on existing and prospective planning projects, the need for such projects, and the estimated costs thereof. The commission may conduct public hearings on such reports and may make recommendations thereon to the department and the Legislature.

Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026