Earlier editions: 2026-09
Chapter 38 — WATER SYSTEM REGULATIONS
Redwood City Municipal Code § 38.51 Use and Distribution of Recycled Water
Redwood City Municipal Code · 2026-10 edition · updated 2026-10-04 · Redwood City
Cite as: Redwood City Municipal Code § 38.51 · Text as of 2026-10-04
Sec. 38.50. - DEFINITIONS:¶
The following terms are defined for purposes of this Article:
A. COMMERCIAL PROPERTY: Any building for office or commercial uses with water requirements which include, but are not limited to, landscape irrigation, cooling, toilets, urinals and decorative fountains.
B. RECYCLED WATER DISTRIBUTION SYSTEM: A system of transmission and distribution pipelines, pump stations, storage reservoirs and minor appurtenant facilities intended for the delivery of recycled water only and which is separate from any potable water distribution system. The Recycled Water Distribution System is owned, operated and maintained by the City.
Recycled water plumbing on the customer's side of the City's meter is owned, operated and maintained by the customer, but must still comply with all applicable requirements, including the requirements of California Code of Regulations, titles 17 and 22.
C. LANDSCAPE AREAS OR LANDSCAPING: A landscape area or landscaping includes, but is not limited to landscaped streets and medians, golf courses, cemeteries, common areas and parks.
D. INDUSTRIAL PROCESS WATER: Water used by any industrial facility with process water requirements which include, but are not limited to, rinsing, washing, cooling and or circulation.
E. POTABLE WATER: Means water which conforms to the federal, state and local standards for human consumption.
F. RECYCLED WATER: Nonpotable tertiary treated water which, as a result of treatment of wastewater, is suitable for a direct beneficial use or controlled use that would not otherwise occur. (See California Water Code section 13050(n).)
G. PROVIDE FOR THE USE OF RECYCLED WATER: Means providing a separate plumbing system, independent of the plumbing system provided to serve potable water, to serve nonpotable recycled water for all uses approved by title 22 of the California Code of Regulations ("CCR"), including but not limited to irrigation of landscape areas, toilet and urinal flushing, trap primers, outdoor decorative fountains and other appropriate landscaping, commercial and industrial uses approved by the State.
H. DUAL PLUMBED SYSTEM OR DUAL PLUMBED: Means a system that utilizes separate piping systems for recycled water and potable water within a facility and where the recycled water is used for either of the following purposes:
(a) To serve plumbing outlets (excluding fire suppression systems) within a building, or
(b) Outdoor landscape irrigation at individual residences.
(Ord. No. 2335, § 3, 7-7-08)
Sec. 38.51. - USE AND DISTRIBUTION OF RECYCLED WATER:¶
The use and distribution of recycled water shall be in accordance with the City's Customer Guidelines for Recycled Water Use and all applicable federal, state and local laws, permits, and regulations, including titles 17 and 22 of the CCR, as may be amended from time to time.
(Ord. No. 2335, § 3, 7-7-08)
Sec. 38.52. - RECYCLED WATER SERVICE AREA; REQUIRED USE:¶
The "Recycled Water Service Area" means the precise geographical area designated by the City and as adopted by resolution of the City Council to which the City will provide recycled water service where it has been determined to be or is expected to be available. The City will maintain a copy of the description of the Recycled Water Service Area, which may be updated by resolution from time to time, on file with the Office of the City Clerk.
A. Requirement For Commercial Properties in Recycled Water Service Area:
Existing Commercial: Existing commercial properties in the Recycled Water Service Area are required to use recycled water for landscape irrigation. Existing commercial properties must provide a feasibility study to apply for an exception to this Article.
New Commercial: Projects involving new commercial subdivision of land for which a tentative map or parcel map is required pursuant to California Government Code section 66426 and Chapter 30, Subdivisions, of the Municipal Code or which require a City permit, or both, and which are located within the Recycled Water Service Area, shall be conditioned to be dual plumbed to provide for the internal use of recycled water and to provide for the use of recycled water for landscape irrigation. The City Manager (or designee) will determine requirements for recycled water plumbing. These requirements and the use of recycled water will become conditions of approval.
B. Requirement For Industrial Projects in the Recycled Water Service Area:
Existing Industrial: Existing industrial properties in the Recycled Water Service Area are required to use recycled water for landscaping. Existing Industrial properties must provide a feasibility study to apply for an exception to this Article.
New Industrial: New industrial projects which require a City permit and which are located within the Recycled Water Service Area are required to provide dual plumbing for internal uses of recycled water and to provide for the use of recycled water for landscape irrigation. Such projects must also provide a feasibility study analyzing the possibility of using recycled water for industrial processes and cooling. The City Manager (or designee) will determine requirements for recycled water plumbing. The feasibility study and, if applicable, any City requirements for the use of recycled water will become conditions of approval.
C. Requirement for Institutional and Governmental Use in the Recycled Water Service Area:
- New Institutional and Governmental Projects: New institutional and governmental projects which are located within the Recycled Water Service Area are required to be dual plumbed to provide for the internal use of recycled water and to provide for the use of recycled water for landscape irrigation. The City Manager (or designee) will determine requirements for recycled water plumbing. These requirements and the use of recycled water will become conditions of approval.
D. Requirement for Residential Uses in the Recycled Water Service Area:
- New Apartments and Condominiums: Apartment and condominium projects involving new commercial subdivisions of land for which a tentative map or parcel map is required pursuant to California Government Code section 66426 and Chapter 30, Subdivisions, of the Municipal Code or which require a City permit, or both, and which are located within the Recycled Water Service Area, shall be conditioned to be dual plumbed to provide for the internal use of recycled water and to provide for the use of recycled water for landscape irrigation in common areas. The City Manager (or designee) will determine requirements for recycled water plumbing. These requirements and the use of recycled water will become conditions of approval.
E. Construction and Dust Control Activities: Any person applying for a construction permit for a project that includes dust control activities is required to use recycled water for those activities.
(Ord. No. 2335, § 3, 7-7-08)
Sec. 38.53. - VOLUNTARY USE INSIDE AND OUTSIDE OF THE RECYCLED WATER SERVICE AREA:¶
A. Existing Commercial Properties in the Recycled Water Service Area:
- Existing Commercial Properties: Existing commercial properties that are in the Recycled Water Service Area shall consider using recycled water for internal dual plumbing, internal cooling towers and evaporative coolers.
B. Commercial Properties Outside of the Recycled Water Service Area:
- New and Remodeled Commercial Properties: New and remodeled commercial properties that are located outside of the Recycled Water Service Area shall consider the feasibility of providing for internal dual plumbing and providing for the use of recycled water for landscape irrigation, as recycled water may be extended beyond the current Recycled Water Service Area.
C. Existing and New Institutional and Governmental Use:
Existing Institutional and Governmental Properties: Existing institutional and governmental properties in the Recycled Water Service Area shall consider the feasibility of using recycled water for internal dual plumbing and landscape irrigation.
New Institutional and Governmental properties Outside of Recycled Water Service Area: New institutional and governmental properties that are located outside of the current Recycled Water Service Area shall consider the feasibility of using recycled water for internal dual plumbing and landscape irrigation, as recycled water is expected to be extended beyond the current Recycled Water Service Area.
D. Residential Uses; Inside and Outside of Recycled Water Service Area:
Remodeled Apartments and Condominiums: Remodeled apartment and condominium properties shall consider the feasibility of dual plumbing to provide for the internal use of recycled water and using recycled water for landscape irrigation in common areas.
Existing Apartments and Condominiums: Existing apartment and condominiums shall consider the feasibility of using recycled water for landscape irrigation in common areas.
Home Owner Associations: Home owner associations are encouraged to consider the feasibility of using recycled water for landscape irrigation in common areas.
These statements apply to residential uses both within and outside of the current Recycled Water Service Area as recycled water is expected to be extended beyond the current Recycled Water Service Area.
E. Industrial Projects; Inside and Outside of Recycled Water Service Area: All existing and new industrial projects shall consider the feasibility of providing for the use of recycled water for industrial processes and cooling.
(Ord. No. 2335, § 3, 7-7-08)
Sec. 38.54. - PROCEDURES:¶
A. Recycled Water Application Process: Upon a final determination by the City that a property shall be served with recycled water, or adoption of a condition of development approval requiring use or accommodation of the use of recycled water, the water customer, owner or applicant shall complete an application to use recycled water.
B. Existing Potable Water Service: Voluntary Retrofits: Certain existing potable water customers in the Recycled Water Service Area will be provided the opportunity by the City to retrofit their system to accept recycled water.
(Ord. No. 2335, § 3, 7-7-08)
Sec. 38.55. - SANCTIONS:¶
A. Public Nuisance: The use of recycled water in any manner in violation of this Article and the City's Customer Guidelines for Recycled Water Use, as may be amended, is hereby declared a public nuisance and shall be corrected or abated as directed by City. Any person creating such a public nuisance is guilty of a misdemeanor.
B. Injunction: Whenever the use of recycled water is in violation of this Article or otherwise causes or threatens to cause a condition of nuisance, the City may seek injunctive relief as may be appropriate to enjoin such discharge or use.
C. Penalty: Any owner and or operator who violates this Article may, for each day of violation, or portion thereof, be subject to penalties in accordance with Chapter 1 of the City Code.
(Ord. No. 2335, § 3, 7-7-08)
Sec. 38.56. - CONFLICTING PROVISIONS:¶
In the event of any conflict, between the provisions of the most current version of the Uniform Plumbing Code, and the provisions of this Article, the provisions of this Article shall apply.
(Ord. No. 2335, § 3, 7-7-08)
Get a plain-English answer with a citation back to this text.
Ask AI about this code