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Home My WebLink AboutCC 07-07-2022 Item No. 13 Drought Study Session_Staff PresentationCity Council Drought Status and Water Conservation Measures July 7, 2022 CC 07-07-2022 Item No. 13 Drought Status and Water Conservation Measures Agenda ●Drought Status ●Drought Impacts to Valley Water ●Where Municipal Water is Used ●Water Conservation Measures for Water Use ●Water Retailers Actions ●Next Steps ●Input/Questions Santa Clara Valley Water District •Severe Drought •3rd year of drought •Driest first three months •Low imported and local supplies Drought Status Early and Proactive Drought Response Countywide Water Savings Water use headed in the right direction County Compared to State Savings •Valley Water’s savings exceed State’s, but we still need to do more •Water use reduction enforcement plan will help increase water savings •Educational process culminating in fines for uncorrected violations •Fines up to $10,000 •Irrigation restrictions in amended Resolution 22029 •2 days per week for non-functional turf •No runoff, mid-day water, or irrigation after rainfall (all landscapes) •State ban on water CII lawn may be included •Focused on Valley Water potable supplies (Treated water and groundwater) Enforcement Ordinance Water Conservation Programs Residential Programs Landscape Programs Commercial, Industrial, Institutional Programs Agricultural Programs Outreach/Education City of Cupertino Where Municipal Water is Used Park, 51% School Joint Use Turf, 29% Golf, 8% Median, 6% Facility Landscaping, 3% Facility, 3% Water Use By City Asset Park School Joint Use Turf Golf Median Facility Landscaping Facility •City Ordinance 15.32 – Water Conservation •2015 Water Conservation Measures •Partnered with Valley Water and water retailers to offer rebates (Graywater – Laundry to Landscape, Landscape Conversion and Rainwater Capture) Water Conservation Measures for Municipal Water Use •Proactively implemented measures to conserve water •Water efficient fixtures •Drip irrigation system •SMART irrigation controllers •Reduce water programming of all outside irrigation for trees/shrubs •No watering of turf used passively •Limited watering (consistent with 2 days/week watering or similar) of turf areas used intermittently by City permitted events •A minimum of 20% reduced watering of turf areas programmed by City or school recreation events •No operation of the interactive fountain at Community Hall •No water used to clean asphalt areas/sidewalks/plaza areas •Water used for street sweeping minimized Water Conservation Measures did the City take? Cupertino Participation in Valley Water Conservation Programs 2019 2020 2021 2022* eCart (no-cost water efficiency equipment such as aerators)2 2 304 184 Greywater System Rebates 003 1 Water Wise Outdoor Surveys 001 1 Submeters 000 0 Irrigation Equipment Rebates 27 27 17 4 Landscape Conversion Participants 10 24 35 34 Weather-Based Irrigation Controllers 26 26 24 17 *2022 data is year-to-date as of May 15 0 10,000 20,000 30,000 40,000 50,000 2019 2020 2021 2022* Sq u a r e F e e t Turf Removed and Replaced with Drought-Tolerant Using Rebate Programs in Cupertino California Water Services California Water Service July 2022 Los Altos Suburban Quality. Service. Value.® The Drought, Water‐Use Restrictions, Conservation, and You Recent Developments State Water Resources Control Board adopts Emergency Regulation to reduce water demand and improve water conservation Cal Water receives approval from CPUC to implement Stage 1 of Water Shortage Contingency Plan (WSCP) Stage 2 prohibited uses and irrigation day restrictions go into effect Cal Water files Stage 2 of Water Shortage Contingency Plan (WSCP) for Los Altos Suburban District Cal Water files updated Water Shortage Contingency Plan with CPUC Prohibited Uses of Water •Use of water on landscaping that causes runoff onto adjacent property, non-irrigated areas, private and public walkways, roadways, parking lots, or structures •Use of a hose without a shut-off nozzle to wash vehicles •Use of water for washing driveways and sidewalks •Use of water for decorative fountains that do not utilize a recirculation system •Use of water on landscaping during or within 48 hours after rainfall •Use of excessive water due to unrepaired leaks or defective irrigation systems •Providing water in restaurants (except upon request) •Outdoor irrigation between the hours of 8:00 am and 6:00 pm https://www.calwater.com/drought Stage 2 Irrigation Day Restrictions Los Altos Suburban District (2 days/week) No watering between 8 a.m. – 6 p.m. Street address ending in: Watering days Odd number Tuesday and Saturday Even number Wednesday and Sunday No number Wednesday and Sunday Exceptions: Landscape zones that exclusively use drip and/or micro-spray irrigation systems, irrigating with a hand-held bucket or similar container, with a continuously monitored hose that is fitted with a shut-off nozzle or similar device, or for the express purpose of adjusting or repairing an irrigation system. Stage 2 Authorized Penalties •First violation – customer notification •Second violation -$50 penalty •Third violation - $100 penalty •Fourth violation - Flow-restricting device installed •Egregious violation - Flow-restricting device installed As much as 60% of domestic water use is outdoors ●Evaluation of your irrigation system (look for leaks, outdated equipment) ●Adjust watering schedules to meet new requirements ●Install a Smart Irrigation Controller ●Convert overhead spray sprinklers to drip irrigation where applicable ●Convert areas of ornamental turf to drought-friendly landscaping What Can I Do at Home? Cal Water Conservation Rebates •High-efficiency clothes washer •High-efficiency toilet •Smart irrigation controller •High-efficiency sprinkler nozzles •Lawn-to-garden •Spray-to-drip Residential Cal Water Conservation Rebates •High-efficiency valve-type toilet •High-efficiency tank-type toilet •High-efficiency urinal •Lawn-to-garden •Spray-to-drip •High-efficiency sprinkler nozzles •Spray body with integrated pressure regulation and check valve •Large rotary nozzle •Smart irrigation controller •Customized incentive program Commercial Smart Landscape Tune-Up Program •Evaluation of irrigation system •Identification and improvement of irrigation leaks, broken equipment, and other water-saving opportunities ●Installation of smart irrigation controllers ●Installation of high- efficiency sprinkler nozzles ●Repair of drip irrigation ●Repair and replacement of irrigation valves ●Repair and replacement of spray bodies calwater.com/tuneup Lawn-to-Garden & Spray-to-Drip Rebates •Lawn-to-garden program: $3 per square foot of lawn removed, with 50% converted to drought- tolerant landscaping •Spray-to-drip program: $0.50 per square foot of landscaping converted from standard spray irrigation system to drip system 2021 Conservation Report Los Altos Suburban District Historical GPCD 235 228 239 218 211 220 218 195 159 152 169 200 172 133 130 149 158 152 166 146 0 50 100 150 200 250 300 GPCD San Jose Water San Jose Water Drought Response •Water use restrictions filed with the CPUC June 18, 2021 •Mandatory Conservation Plan authorized Nov. 15, 2021 •Allocations based on 2019 usage •Minimum allocations to protect low water users •Drought surcharges if allocations exceeded •Allocation appeal process San Jose Water Drought Response •One-stop drought information page on our website at: sjwater.com/drought •Mandatory conservation plan details •Current and past drought updates •Drought FAQs – Learn more about the extreme drought •Leak status map San Jose Water Drought Response •Conservation program includes: •Complimentary water efficiency visits (CATCH) •Water-wise gardening info •Multilingual conservation tips, rebates and other incentives San Jose Water Drought Response Customer Communications •Direct mail - Mandatory Conservation Plan brochure •Bill inserts •Webinars •Social media efforts •Conservation •Drought •Bill pay assistance San Jose Water Drought Response •Rebates for lawn replacements and irrigation equipment •Free water-saving devices •Online form to report water waste & leaks San Jose Water: Water Loss Audit for Cupertino (2020) •Non-revenue water (NRW) as a percentage of total water supplied totaled 5.9% •Infrastructure Leakage Index (ILI) is 1.02 •The ILI is a leading benchmark standard for evaluating system performance over time and in comparison to other utilities •All retailer water loss audit information is publically available on the State website: •wuedata.water.ca.gov/awwa_plans San Jose Water Customer Assistance •Extended payment plans with no interest •Arrearage payment funding (CA state program) applied to 45% of Cupertino residential customers with overdue balances •LIHWAP (CA state program) – Customers with overdue balances can receive up to $2000 •CAP – Customer Assistance Program based on income eligibility – 15% discount •Continue to monitor current water conservation measures •Continue coordination with Valley Water, San Jose Water and California Water Services Next Steps July 7, 2022 END SLIDE Drought Status & Water Conservation Measures