15.17.030 Development standards.
The development standards established in this section apply to all new commercial, industrial, institutional, agricultural, single-family and multifamily residential construction, including tenant improvements or a change in use requiring any city entitlement or permit for existing commercial, industrial and institutional accounts. The development standards are intended to ensure that all installed water using fixtures, appliances, irrigation systems, and any other water using devices apply water as efficiently as possible.
A. Indoor Water Use Development Standards—New Single-Family Residential Construction. Any water using device installed in any new development shall meet the standards of the California Plumbing Code (Part 5, Title 24, California Code of Regulations), and the following.
B. Standards for New Single-Family Residential Construction.
1. Water closets must be an approved high efficiency toilet (HET) as designated on the city’s list of qualifying HETs.
2. Showerheads must not use more than two gallons per minute. Where more than one showerhead exits in a shower unit, each showerhead must be plumbed so that each showerhead can be turned on and off independently from each other.
3. Any clothes washing machine provided with the residence must have a water factor of six or lower.
4. Lavatory and/or bar faucets must not exceed 1.5 gallons per minute.
5. Kitchen and/or utility sink faucets must not exceed 2.2 gallons per minute.
6. All dishwashers must have the EPA’s Energy Star label.
C. Standards for New Multifamily Residential Dwellings.
1. Water closets must be an approved high efficiency toilet (HET) as designated on the city’s list of qualifying HETs.
2. Showerheads must not use more than two gallons per minute. Where more than one showerhead exits in a shower unit, each showerhead must be plumbed so that each showerhead can be turned on and off independently from each other.
3. Any clothes washing machine installed on the premises must have a water factor of six or lower.
4. Lavatory and/or bar faucets must not exceed 1.5 gallons per minute.
5. Kitchen and/or utility sink faucets must not exceed 2.2 gallons per minute.
6. All dishwashers must have the EPA’s Energy Star label.
7. Each dwelling unit must be separately metered or sub-metered.
D. Standards for New Commercial, Industrial, or Institutional (CII) Accounts and Tenant Improvements or Change of Use Requiring Any City Entitlement or Permit for Existing CII Accounts.
1. Water closets and/or urinals must be an approved high efficiency toilet (HET) as designated on the city’s list of qualifying CII HETs.
2. Showerheads must not use more than two gallons per minute. Where more than one showerhead exits in a shower unit, each showerhead must be plumbed so that each showerhead can be turned on and off independently from each other.
3. Commercial clothes washing machines shall have a water factor of 4.5 or lower.
4. Lavatory faucets must be self-closing and not exceed 1.5 gallons per minute. All faucets must be equipped with an aeration device.
5. Kitchen and/or utility sink faucets must not exceed 2.2 gallons per minute. All faucets must be equipped with an aeration device.
6. Dishwashers must have the EPA’s Energy Star and/or Water Sense designation and must recycle the final rinse into the next wash cycle.
7. Pre-rinse hand-held dish-rinsing wands must not exceed 1.6 gpm and must utilize positive shut-off valves.
8. Cooling towers (see Section 15.48.070 of this code, Sewer Use and Source Control Regulations).
9. Ice makers must be air-cooled.
10. Any other water-using apparatus not mentioned above must use or reuse water as efficiently as possible and must be approved by the city prior to installation.
(Ord. 2316 NCS §3 (part), 2009.)