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HomeMy WebLinkAboutWater Allocation Budgeting 1-5-2017Water Quality Coastal Tidelands Committee January 5, 2017 City adopted Water Conservation and Supply Level Regulations (NBMC 14.16) in 2009 that include: Permanent mandatory requirements Procedures for declaration of shortage 4 Levels of conservation requirements Relief from compliance Exemptions Enforcement EXISTING CONTINGENCY PLAN Include: Irrigation during and within 48 hours of rainfall Restaurants serving water without customer request Hotels not offering laundering options Washing vehicles without nozzle Allowing excessive runoff Washing of hard surfaces Allowing leaks to continue More… PERMANENT RESTRICTIONS Staff presents water supply conditions to City Council Council adopts a resolution of intent that includes: Public hearing date Level (1-4) of mandatory requirements Percentage of reduction Watering days Council conducts a public hearing and adopts resolution Requirements effective 10 days after resolution Staff provides regular reports to Council PROCEDURE FOR DECLARATION LEVELS OF CONSERVATION REQUIREMENTS Level 1 Level 2 Level 3 Level 4 0% -10% Reduction *10% -25% Reduction *25% -40% Reduction *40% Reduction * No watering 9am to 5pm No watering 9am to 5pm No watering 9am to 5pm 4 Irrigation Days Summer 3 Irrigation Days Summer 2 Irrigation Days Summer No Irrigation Summer 2 Irrigation Days Winter 1 Irrigation Days Winter 1 Irrigation Days Winter No Irrigation Winter Fix leaks within 72 hours Fix leaks within 48 hours Fix leaks within 24 hours Fix leaks within 24 hours Fill fountains once per week Fill fountains once every other week Fill fountains once every other week No filling of fountains Fill pools no more than 1 foot per week Fill pools no more than 6 inches per week Fill pools no more than 3 inches per week No filling of pools No new water services with out valid building permit*Compared to same billing period in 2013 Exemptions Hospitals / Public Health / Public Safety Public Pools Businesses whose main trade is plants/ vegetation Relief from compliance Those who use less than 10 billing units per month Other reasons Enforcement Implementation Plan Water flow restrictors Termination of service OTHER SECTIONS OF 14.16 Newport Beach Municipal Code 14.16 uses the year 2013 as the baseline for water reduction. Executive order B-37-16 requires agencies to calculate unique targets based on standards. New standards move away from measuring by percentage and consider climate, demographics, and land use. Interim regulations will start in 2018 and full compliance by 2025 EXECUTIVE ORDER B -37-16 Establish baselines without using 2013 data Consider indoor and outdoor usage Consider number of people in homes Target users that could reduce water verses a uniform reduction Establish a means to predict water use based on land use rather than historical data ALTERNATE METHODOLOGY OMNIEARTH –WATER ALLOCATION BUDGET City Page Demo Page HOW OMNIEARTH WORKS Uses satellite imagery to provide Land Cover Classification WATER USE ANALYSIS Provides ideal water usage for every parcel based on land cover, compares it to actual usage, and identifies inefficiency Water budget takes into account state standards, daily localized weather, ET rates, and slope Calculates a consistent and equitable water allocation for all consumers Automatically identifies inefficient users with the most potential to save water Quantify savings potential for every property Collects customer data for potential allocation based rate structure Could be used for water contingency plan Reduces Relief from Compliance process Clear and defendable enforcement BENEFITS 1 st year subscription With SAWPA grant ($5,000) -Single Family Resident Unavailable grant ($4,632) -Commercial Outdoor Water Budget Total 1st year cost for all of the City of Newport Beach accounts - ($9,632) 2 nd year subscription Total 2 nd year cost without SAWPA grant for all of the City of Newport Beach water accounts ($40,500) IMPLEMENTATION COST Committee/Council discussions and guidance Council actions Public input Establishment of baselines New contingency plan Establish levels using baselines and percentage of evapotranspiration (ET) Example: Level 1 = 100 percent of ET Level 2 = 80 percent of ET and so on… WHAT'S NEXT QUESTIONS? HOW OMNIEARTH WORKS Uses satellite imagery to provide Land Cover Classification