Earlier editions: 2026-09
Title 13 — PUBLIC SERVICES›Chapter 13.04 — SEWER SERVICE SYSTEM
Alameda County Municipal Code Art. II Sewer Construction and Maintenance Responsibility
Alameda County Municipal Code · 2026-10 edition · updated 2026-10-04 · Alameda County
Cite as: Alameda County Municipal Code Article II · Text as of 2026-10-04
13.04.070 - Master plan and standards.¶
All new sewers shall conform to the master plan of the sewerage system as established by the director. The director shall cause to be prepared, and is hereby authorized to prepare, a master plan for the sewerage system including all necessary design and construction standards for construction of sewers therein.
A. Conformity to Standards and Plans. All sewers, whether trunk lines, service laterals, or side sewers shall conform to the CSA master plan whether installed by the CSA, developer, or any other person. County approval of plans for such construction shall be required notwithstanding the ultimate ownership of the sewer lines.
B. Ownership of Sewers. Trunk sewers and service laterals shall be owned by the CSA unless the board approves the construction, reconstruction, and retention of private trunk sewers and service laterals. Except for such board approved private sewers, the CSA shall not provide sewerage service by means of any trunk sewer or service lateral to which it does not have full and complete title at the time of rendering such service.
C. Operation of Sewers. CSA shall operate or contract for the operation of the CSA sewerage system. The CSA shall have the responsibility to maintain all trunk sewers and service laterals. Maintenance of side sewers shall be the responsibility of the property owner served by such sewers. Any private sewer system, including private trunk sewers, shall be maintained by the owner of the private system
(Prior gen. code § 7-252.0)
13.04.080 - Construction of sewers.¶
A. Permit Required. Application for permission to construct, install, alter or repair a side sewer, service lateral, or trunk sewer shall be made to the director. The applicant's proposal shall conform to the CSA's master plan and all county design and construction standards as established by the director. No construction shall commence until county approval of the application and county issuance of a permit for said construction.
B. Contractor Required—Bonds. Except as provided in the State Contractor's License Law, only a licensed contractor shall install, construct or repair any sewer.
- Contractor's Bonds and Insurance. Prior to the issuance of a permit for such work, the contractor shall file a certificate of insurance with the county showing public liability and property damage insurance and worker's compensation insurance, and shall post bonds covering performance, labor and materials. The certificate, insurance, and bonds shall be in such coverages, amounts and form as specified by the county.
C. Sewer Construction Bond. An applicant for a permit shall furnish to the county a good and sufficient surety bond in an amount as required by the director. Such bond shall guarantee the faithful performance of the permit, and guarantee against poor or improper workmanship and materials. Such guarantee shall be for a period of one year after the work is completed and accepted by the county. The director may also require the posting of public liability and property damage insurance.
D. Road Excavation Permits. No excavation shall be made in any county road, CSA street, easement, or other public right-of-way within the CSA limits unless and until an encroachment permit has been issued therefor. Application for encroachment permits shall be made with the county.
E. Sewer Construction Inspections. All sewer construction work in the CSA shall be inspected by the director or his designated agents, and shall be subject to his approval.
Trenches—Inspections. All trenches shall be left open and the pipes therein shall be left uncovered until inspection thereof by the director shall have been made and the pipe laying shall have been approved by the director. After inspection by the director, such trenches shall be backfilled without delay and any street excavation shall be restored to its original or better condition.
Inspection—Advance Notice. In all instances where an inspection is required, not less than two working days' advance notice shall be given to the director stating the time when the work will be sufficiently advanced for inspection.
Substandard Construction. In case any sewer work has been inspected and any portion thereof has been found substandard by the director, a written notice to that effect shall be given to the owner of the premises, the agent of such owner, the developer, or other person requesting the inspection. The notice shall indicate the repairs or changes necessary to place the sewer in satisfactory condition prior to reinspection by county.
F. Responsibility for Defects. All persons performing or permitted to perform sewer work governed by this chapter shall be held strictly responsible for their own acts and all acts of their agents or employees in connection with said work. Upon being notified in writing by the director of any defect in any sewer work or of any violation of the provisions of this chapter or design and construction standards promulgated hereunder, the person or persons responsible for said work shall take immediate steps to correct such defect or violation.
(Prior gen. code § 7-252.1)
13.04.090 - Side sewer connections.¶
Side sewers serving premises that have their sewage pumped into the trunk sewer shall have a check valve or other suitable device that prevents the sewage from the trunk line entering the side sewer of said premises.
A. Separation of Sewer Connections. All premises, except those for which private sewerage systems are permitted, shall have independent connections with the CSA sewer trunkline; provided, that multiple premises located on a single parcel of land which cannot be subdivided and which premises are all under one ownership may, upon approval of the director, be connected to the same service lateral.
B. Sewer Plans for Group of Buildings. No group of buildings shall be connected to a CSA sewer without first having the plan of the private sewerage system serving such buildings approved by the director.
C. Service Point. Sewage shall be delivered to the service point and elevation selected by the director.
(Prior gen. code § 7-252.2)
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