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Effective December 1, 2009, all plumbing installations in new buildings and installations of new plumbing fixtures in existing buildings shall meet the following requirements:
(a) Toilets. All toilets installed shall be high efficiency fixtures. The maximum flush volume for high efficiency toilets shall not exceed 1.28 gallons of water (effective) per flush (gpf).
(b) Urinals. All urinals installed shall be high efficiency fixtures. The maximum flush volume of high efficiency urinals shall not exceed 0.5 gallon of water per flush. Effective October 1, 2010, the maximum flush volume of high efficiency urinals shall not exceed 0.125 gallon of water per flush.
(c) Faucets. All faucets in public restrooms must be self closing. The flow rate for all indoor faucets shall be 2.2 gallons per minute (gpm) except as follows:
• The maximum flow rate for private or private use lavatory faucets shall be 1.5 gpm (5.6 Lpm).
• The maximum flow rate for public use lavatory faucets, shall be 0.5 gpm. Exception: Metering faucets shall deliver not more than 0.25 gallon (1.0 liter) of water per cycle.
• The maximum flow rate for a pre- rinse spray valve installed in a commercial kitchen to remove food waste from cookware and dishes prior to cleaning shall be 1.6 gpm (6.0 Lpm).
(d) Showerheads. All showerheads must be low flow with a maximum flow rate that does not exceed 2.0 gallons per minute. This requirement shall not apply to any emergency showerhead installed for health or safety purposes.
(e) Dishwashers.
1. The maximum water use for high efficiency commercial dishwashers shall be in accordance with Table 1.
Type | High-Temperature Maximum gallons per rack | Chemical Maximum gallons per rack |
Conveyer | 0.70 | 0.62 |
Door | 0.95 | 1.16 |
Undercounter | 0.90 | 0.98 |
2. The maximum water use per washing cycle for high efficiency domestic dishwashers shall be 5.8 gallons.
All installed dishwashers must be Energy Star® rated.
(f) Cooling Towers. All cooling towers must be operated at a minimum of 5.5 cycles of concentration.
(g) Use of Single Pass Cooling Systems. Single pass cooling systems are strictly prohibited for use in devices, processes, or equipment installed in commercial, industrial, or multi family residential buildings. This prohibition shall not apply to devices, processes, or equipment installed for health or safety purposes that cannot operate safely otherwise.
The provisions of this Article shall apply to all customers and properties served by the Department of Water and Power wherever situated, and shall also apply to all property and facilities owned, maintained, operated or under the jurisdiction of the various officers, boards, departments, bureaus or agencies of the City.
(Amended by Ord. No. 181,560, Eff. 3/22/11.)
The following buildings are exempt from this Article:
(a) Buildings for which plans were accepted by the Department of Building and Safety and a fee paid prior to the effective date of this Article; and
(b) Existing buildings where use of High Efficiency fixtures is infeasible because their installation will compromise public health, safety, or welfare.
Any exemption from the requirements of this Article, except exemptions from Subsection (f) or (g) of Section 125.03, requires written approval from the Department of Building and Safety. Any exemption from Subsection (f) or (g) of Section 125.03 requires written approval from the Department of Water and Power. Any application for an exemption based on public health, safety, or welfare must be accompanied by a registered engineer’s report documenting the need for the exemption.
If any section, subsection, clause or phrase in this Article or the application thereof to any person or circumstances is for any reason held invalid, the validity of the remainder of the Article or the application of such provision to other persons or circumstances shall not be affected thereby. The City Council hereby declares that it would have passed this Article and each section, subsection, sentence, clause or phrase thereof, irrespective of the fact that one or more sections, subsections, sentences, clauses or phrases or the application thereof to any person or circumstances be held invalid.