Cal. Water Code - WAT § 6025. Section 6025.
It is the intent of the Legislature by this part to provide for the regulation and supervision of dams and reservoirs exclusively by the State.
CHAPTER 2. General Provisions [6025. - 6032.]
Cal. Water Code - WAT 2.
in effectCal. Water Code - WAT § 6025.5. Section 6025.5.
(a)
Notwithstanding any other provision, subject to subdivision (b), the requirements for state regulation and supervision of safety of dams, as contained in this division, shall not be applicable to waste water treatment and storage ponds constructed as a part of a waste water control facility.
(b)
This section applies to those ponds specified in subdivision (a) only after the governing body of the city, county, district, or other agency which operates the waste water control facility adopts a resolution which (1) finds that the ponds have been constructed and operated to standards adequate to protect life and property, and (2) provides that the city, county, district, or other agency shall supervise and regulate the design, construction, operation enlargement, replacement, and removal of the ponds after the effective date of the resolution.
(c)
This section applies only to ponds specified in subdivision (a) which (1) have a maximum height of 15 feet or less and a maximum storage capacity of 1,500 acre-feet or less, (2) have been designed by, and constructed under the supervision of, a registered civil engineer, and (3) are not across a stream channel or watercourse.
Cal. Water Code - WAT § 6025.6. Section 6025.6.
(a)
An owner of a structure defined as a dam pursuant to Section 6002, but excluded from that definition pursuant to subdivision (d) of Section 6004 or otherwise exempted from the requirements of this chapter pursuant to Section 6025.5, shall comply with the requirements of Section 6161 and shall employ a civil engineer who is registered in the state to supervise the structure for the protection of life and property for the full operating life of the structure.
(b)
(1)
The civil engineer supervising a dam pursuant to
subdivision (a) shall take into consideration, in determining whether or not a dam constitutes, or would constitute, a danger to life or property, the possibility that the dam might be endangered by seepage, earth movement, or other conditions that exist, or might occur, in any area in the vicinity of the dam.
(2)
If the civil engineer determines that a dam under his or her supervision constitutes, or would constitute, a danger to life or property, the civil engineer shall notify the owner of the dam and recommend appropriate action.
(c)
The owner shall submit to the department the name, business address, and telephone number of each supervising civil engineer.
(d)
The department shall submit the information provided pursuant to subdivision (c) to the Office of Emergency Services on or before January 1, 1995, and on
or before each January 1 thereafter. Any change in the information shall be submitted to the department on or before July 1 of each year.
Cal. Water Code - WAT § 6026. Section 6026.
No city or county has authority, by ordinance enacted by the legislative body thereof or adopted by the people under the initiative power, or otherwise, to regulate, supervise, or provide for the regulation or supervision of any dams or reservoirs in this state, or the construction, maintenance, or operation thereof, nor to limit the size of any dam or reservoir or the amount of water which may be stored therein. This part shall not prevent a city or county from adopting ordinances regulating, supervising, or providing for the regulation or supervision of dams and reservoirs that (a)
are not within the state’s jurisdiction, or (b)
are not subject to regulation by another public agency or body.
Cal. Water Code - WAT § 6027. Section 6027.
Whenever supervision of safety of design or construction of a proposed or existing dam or reservoir is exercised by the United States or any of its agencies pursuant to a jurisdiction superior to that of the state, and the requirements made under authority of such jurisdiction are so contradictory with requirements made by the department under this part that a compliance cannot be made which will meet both federal and state requirements, then the state requirements shall be modified by the department sufficiently to make possible compliance with both federal and state requirements.
Cal. Water Code - WAT § 6028. Section 6028.
No action shall be brought against the state or the department or its agents or employees for the recovery of damages caused by the partial or total failure of any dam or reservior or through the operation of any dam or reservoir upon the ground that such defendant is liable by virtue of any of the following:
(a)
The approval of the dam or reservoir.
(b)
The issuance or enforcement of orders relative to maintenance or operation of the dam or reservoir.
(c)
Control and regulation of the dam or reservoir.
(d)
Measures taken to protect against failure during an emergency.
Cal. Water Code - WAT § 6029. Section 6029.
Nothing in this part shall be construed to relieve an owner or operator of a dam or reservoir of the legal duties, obligations, or liabilities incident to the ownership or operation of the dam or reservoir.
Cal. Water Code - WAT § 6030. Section 6030.
The findings and orders of the department and the certificate of approval of any dam or reservoir issued by the department are final and conclusive and binding upon all state agencies, regulatory or otherwise, as to the safety of design, construction, maintenance, and operation of any dam or reservoir.
Cal. Water Code - WAT § 6031. Section 6031.
Nothing in this part shall be construed to deprive any owner of such recourse to the courts as he may be entitled to under the laws of this State.
Cal. Water Code - WAT § 6032. Section 6032.
If a dam is owned by one or more persons or entities, the owners shall form or delegate legal and financial authority to a single entity that is responsible for the operation and maintenance of the dam, as well as the payment of any fees or other costs associated with dam ownership.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026