Section 965 - [Operative 1/1/2025] DefinitionsDefinitions used in this Article:
(a) "Animal type-classes" (T) means major categories of animal types based on similar water use and animal weight.(b) "Annual precipitation" means total annual precipitation, in inches per year. Annual precipitation will be updated annually by the Department and derived from Parameter-elevation Regressions on Independent Slopes Model data.(c) "Augmented Surface Water Reservoir" or "Augmented Reservoir" has the same meaning as "reservoir water augmentation" in section 13561 of the Water Code.(d) "Augmented Groundwater Basin" or "Augmented Basin" has the same meaning as "indirect potable reuse for groundwater recharge" in section 13561 of the Water Code.(e) "Basin" means either a basin or subbasin as defined and delineated by bulletin 118, or as defined and delineated through an adjudication process.(f) "Board" means the State Water Resources Control Board.(g) "Budget" means the calculated volume of water for a discrete category of water use associated with efficiency standards, variances, or temporary provisions.(h) "Climate zones" means the California Energy Code climate zones as defined by zip code and listed in California Energy Commission Reference Joint Appendix JA2 (Title 24, Part 6, Section 100.1).(i) "Climate-ready landscapes" are designed and maintained to reduce greenhouse gas emissions and weather more extreme conditions, save water, reduce waste, nurture soil, sequester carbon, conserve energy, reduce urban heat, protect air and water quality, and create habitat for native plants and pollinators.(j) "Collaboration and Coordination best management practices" means formalized operational and institutional arrangements, such as cooperative agreements among parties to streamline requirements, data collection, or implementation of best management practices by coordinating with necessary entities.(k) "Commercial, industrial, and institutional water user" means a CII water user meeting any of the definitions in Water Code section 10608.12(f), (p) and (q).(l) "Crop-specific landscape area" means residential agricultural landscapes disaggregated by each crop or crop type grown within the supplier's service area.(m) "Customer" has the same meaning as in section 10611.3 of the Water Code.(n) "Dedicated Irrigated Meter" (DIM) means a water meter that is operated and maintained by the supplier that exclusively measures the water a customer uses for irrigation.(o) "Department" means the Department of Water Resources.(p) "Direct Potable Reuse" (DPR) has the same meaning as in section 13561 of the Water Code. DPR does not require an environmental buffer.(q) "Direct potable reuse project" or "DPR project" has the same meaning as in California Code of Regulations, title 22, section 64669.05.(r) "Disclosable Building" has the same meaning as in section 1681 in California Code of Regulations, title 20.(s) "Effective precipitation" (Peff) means 25 percent of total annual precipitation, or a lower value generated by the California Simulation of Evapotranspiration of Applied Water model if provided by the Department, in inches per year.(t) "ENERGY STAR Portfolio Manager" means the tool developed and maintained by the United States Environmental Protection Agency to track and assess building performance.(u) "ENERGY STAR Portfolio Manager broad categories" means a superset of property types based on sector.(v) "ENERGY STAR Portfolio Manager property types" means a subgroup of ENERGY STAR Portfolio Manager broad categories.(w) "Equivalent Technologies" are technologies that are functionally equivalent to Dedicated Irrigation Meters in terms of accuracy and supplier access to the data.(x) "Existing CII water users" means CII water users served by the supplier on or before the effective date of this article.(y) "Finished water" has the same meaning as in California Code of Regulations, title 22, section 64400.41.(z) "High levels of Total Dissolved Solids" (TDS) means concentrations above 900 mg/L.(aa) "Indirect Potable Reuse" (IPR) includes "Indirect potable reuse for groundwater recharge" and "reservoir water augmentation" as defined in section 13561 of the Water Code. IPR requires an environmental buffer, including a river, lake, reservoir, or a groundwater aquifer that is used as a source of drinking water.(bb) "Irrigable Irrigated Area" is residential area of healthy vegetation where the vegetation appears to be in growth, not senesced, and is foliated. The area is presumed to be maintained and managed through active irrigation, comprising an irrigated hydro-zone. Non-vegetative features may be included.(cc) "Irrigable Not Irrigated Area" is residential area that is not currently being irrigated, but was irrigated in the past, or may be managed with irrigation in the future.(dd) "In-Lieu Technologies" are technologies that support landscape water use efficiency improvements by means other than the direct measure of water use. They include but are not limited to the technologies identified in section 973.(ee) "LAcrop" means the landscape area for a crop grown on residential landscapes included in the Department's agricultural land mask and associated with an account the supplier categorizes as residential, in square feet.(ff) "Landscape efficiency factor" (LEF) means a factor applied at the supplier-level that adjusts net reference evapotranspiration for plant factors and irrigation efficiency, two major influences upon the amount of water that is applied to the landscape.(gg) "Large landscapes" are Commercial, Industrial, and Institutional landscapes that are ½ acre in size or larger with Mixed-Use meters.(hh) "Livestock" has the same meaning as in section 3080 of the Civil Code.(ii) "Low-impact development" means new development or redevelopment projects that employ natural and constructed features that reduce the rate of stormwater runoff, filter out pollutants, facilitate stormwater storage onsite, infiltrate stormwater into the ground to replenish groundwater supplies, or improve the quality of receiving groundwater and surface water.(jj) "Mixed-Use Meter" (MUM) means a water meter that is operated and maintained by the supplier and that measures the volume of water a customer uses indoors and outdoors.(kk) "Net reference evapotranspiration" or "Net ET0" is the difference between reference evapotranspiration and effective precipitation, in inches per year.(ll) "Net ET0 crop" means the net reference evapotranspiration for a supplier's service area growing season, in inches per year.(mm) "Newly constructed residential landscapes" (RLAnew) means landscapes that were added to a supplier's service area in accordance with section 968(e) after the time period captured by the Landscape Area Measurements Project update released by the Department on December 6, 2023, or any subsequent update to the supplier's residential landscape area pursuant to section 968(b)(3).(nn) "Newly constructed CII landscapes with DIMs" (DIM LAnew) means CII landscapes with DIMs that are added to a supplier's service area in accordance with section 969(d)(2) after the most recent analysis a supplier conducts in accordance with section 969(b)(2).(oo) "Owner's Agent" means a person with authorization from a building owner to act on behalf of the building owner.(pp) "Plant factor" has the same meaning as in section 491.(qq) "Potable deliveries to residential properties and CII landscapes with DIMs" (DRLI) means the total potable water volume delivered to both residential and landscape irrigation connections, as reported to the Board pursuant to Health and Safety Code section 116530.(rr) "Potable Reuse Water" includes water produced through both direct potable reuse and indirect potable reuse systems.(ss) "Potable Reuse Volume" (VPR) is defined as the individual supplier's volume of potable reuse water.(tt) "Process water" has the same meaning as in section 10608.12 of the Water Code.(uu) "Recycled water" means water produced by a wastewater treatment plant or water recycling treatment plant permitted to produce recycled water pursuant to California Code of Regulations, title 22.(vv) "Reference evapotranspiration" or "ET0" has the same meaning as in section 491 and is expressed in inches per year. Reference evapotranspiration will be updated annually by the Department and derived from the California Simulation of Evapotranspiration of Applied Water model using Spatial California Irrigation Management Information System data.(ww) "Residential agricultural landscapes" means the residential agricultural area, in square feet, included in the Landscape Area Measurements Project update (released by the Department December 6, 2023), or as later updated by the Department. It is limited to land on which agricultural use is occurring and that is associated with a service connection the supplier categorizes as residential.(xx) "Agricultural use" means "agricultural use" as defined in Government Code section 51201(b), but does not include cleaning, processing, or other similar post-harvest activities.(yy) "Residential landscape area" (RLA) means residential Irrigable Irrigated area plus approved Irrigable Not Irrigated area, in square feet.(zz) "Residential service area population" (P) means the service area population reported to the Board as "residential" pursuant to Health and Safety Code section 116530 and California Code of Regulations, title 22, section 64412.(aaa) "Residential special landscape area" (RSLA) means residential pools, spas, and similar water features, residential areas dedicated solely to edible plants, and residential areas irrigated with recycled water, in square feet.(bbb) "Service Connection" (C) has the same meaning as in Health and Safety Code section 116275.(ccc) "Temporary provision" means an additional volume of water that an urban retail water supplier may request to add to its urban water use objective for a limited time for a specified beneficial use that will require less water over time.(ddd) "Turf" has the same meaning as in section 491.(eee) "Total potable water production" (TPW) means all potable water that enters into a supplier's distribution system, excluding water placed into storage and not withdrawn for use during the reporting period and excluding water exported outsider the supplier's service area during the reporting period, as reported to the Board pursuant to Health and Safety Code section 116530. Total potable water production includes all non-revenue water, which has the same meaning as in section 638.1 and is equal to the sum of the supplier's unbilled authorized consumption and apparent and real losses.(fff) "Urban retail water supplier" or "supplier," has the same meaning as in section 980.(ggg) "Urban water use objective" (WUO) means an estimate of aggregate efficient water use for the previous year based on adopted water use efficiency standards and local service area characteristics for that year, as described in Water Code section 10609.20 and as calculated pursuant to section 966(d).(hhh) "Variance" means an additional volume of water that an urban retail water supplier may request to add to its urban water use objective for a unique use that has a material effect on a supplier's urban water use objective.Cal. Code Regs. Tit. 23, § 965
Note: Authority cited: Sections 1058, 10609.2 and 10609.10, Water Code. Reference: Article X, Section 2, California Constitution; Sections 3080, 4080, 4100 and 4100, Civil Code; Section 51201, Government Code; Sections 116275 and 116530, Health and Safety Code; and Sections 102, 104, 105, 350, 1122, 1123, 1124, 1846, 1846.5, 10608.12, 10609.2, 10609.10, 10609.20, 10611.3 and 13561, Water Code.
1. Renumbering of former article 1 to article 2, new article 1 (sections 965-978) and section filed 9-30-2024; operative 1/1/2025 (Register 2024, No. 40).