Loading...
CC 2014-06-10_11.a. Water Supply Strategies PresentationCity of Arroyo Grande s WATER STRATEGY REPORT June 10, 2014 1 GOALS Address future projected demand through water conservation Address water supply reliability by utilizing recycled water to prevent seawater intrusion Work with neighboring jurisdictions on management of water supply 2 City of Arroyo Grande 2 Overview Water Conservation Strategies Northern Cities Management Area Technical Group (NCMA TG) Annual Report Work Plan and Strategic Plan Water Shortage Emergency Plan In-House Water Shortage Emergency Response Team Joint water workshop with the legislative bodies of Grover Beach, Pismo Beach and OCSD Funding Recommendations Discussion/Q&A 3 City of Arroyo Grande 3 Staff Recommendation It is recommended that the City Council: 1. approve staff’s recommended water conservation strategies; and increase of the turf removal incentive from 50 cents to $1.00 per square foot; and approve the increase for the water efficient washing machine incentive from $150 to $200; 4 City of Arroyo Grande 4 Staff Recommendation Cont. 2. approve the NCMA TG Annual Report Work Plan and Strategic Plan; and authorize the Mayor to execute the contract for Fugro in the amount of $43,400 for the NCMA 2014 Annual Report, and authorize the Mayor to execute the contract with WSC in the amount of $29,760 for staff extension services for FY 2014-2015; 5 City of Arroyo Grande 5 Staff Recommendation – cont. 3.direct staff to establish a Water Shortage Emergency Plan; 4.direct staff to establish an in-house Water Shortage Emergency Response Team; and 5.pursue scheduling a joint water workshop with the legislative bodies of Grover Beach, Pismo Beach and OCSD. 6 City of Arroyo Grande 6 Water Conservation Strategies 7 7 WATER CONSERVATION STRATEGIES: projected supply 8 City of Arroyo Grande 8 WATER CONSERVATION STRATEGIES: projected demand 9 City of Arroyo Grande *- State 2020 Target- Requires reduction in use of 124 AFY 9 WATER CONSERVATION STRATEGIES: projected Annual Water Reduction Goals 10 City of Arroyo Grande 10 WATER CONSERVATION STRATEGIES: Water Conservation Program Recommendations 11 City of Arroyo Grande EXISTING PROGRAMS ESTIMATED AF SAVINGS Cash for Grass 18.2 AF Water Efficient Washing Machine Rebate Program 4.4 AF Smart Irrigation Controller and Sensor Program 5.0 AF Plumbing Retrofit Program 41.3 AF PROPOSED PROGRAMS Landscape Irrigation Retrofit Program 4.4 AF Public Education Program 23.3 AF System Water Loss Mitigation Project 12.4 AF City Landscape Irrigation Retrofit Program 14.0 AF Water Use Survey Program 2.5 AF TOTAL AFY SAVINGS TO REACH 2020 GOAL 125.5 AFY 11 WATER CONSERVATION STRATEGIES: Water Conservation Program Recommendations 12 City of Arroyo Grande 12 13 Northern Cities Management Area (NCMA) Technical Group ANNUAL REPORT WORK PLAN STRATEGIC PLAN 13 Santa Maria Groundwater Basin Adjudication Subject to ongoing Litigation since 1997 Division of the basin into three separate management areas Monitoring Program and Annual Report Formalized the division of the NCMA safe yield from the Gentlemen’s Agreement 14 NCMA Annual Report Groundwater monitoring and data collection sufficient to characterize: Land and water uses in the basin; Sources of supply to meet those uses; Groundwater conditions (including water levels and water quality); Amount and disposition of developed water supplies; and Amount and disposition of other sources of water supply in the NCMA. City of Arroyo Grande 15 Precipitation 2013 precipitation was 4.32 inches, only 26% of normal Below average rainfall in 7 out of 8 of the previous years Source: 2013 NCMA Annual Report, 2014 16 Key Well Index-NCMA Sentry Wells Source: 2013 NCMA Annual Report, 2014 17 2014 Update 2014 groundwater levels experiencing rapid decline, index currently below seawater intrusion trigger To date no detection of seawater intrusion NCMA TG continuing efforts to limit pumping and protect the groundwater basin 18 Ncma Technical Group workplan More than monitoring Field monitoring, well rehabilitation, installation of transducers Data Analysis and establishing early warning indicators Agency coordination with NMMA, SLO County, Agricultural property owners Grants! Integrated Regional Water Management (IRWM) Planning Grants to improve the characterization of the NCMA and Nipomo Mesa Management Area (NMMA), portions of the Santa Maria Groundwater Basin, and a regional recycled water study. City of Arroyo Grande 19 Ncma Technical Group strategic plan Preserve and enhance the sustainability of water supplies for the Northern Cities Area by: Enhancing supply reliability Protecting water quality Maintaining cost-effective water supplies Advancing the legacy of cooperative water resources management City of Arroyo Grande 20 Ncma Technical Group strategic plan – cont. 21 City of Arroyo Grande STRATEGIC INITIATIVES: Intertie Plan and Inter-agency Mutual Aid requirements Water Shortage Contingency Plan Salt and Nutrient Management Plan Groundwater Model Recycled Water Supplemental Supply 21 22 WATER SHORTAGE EMERGENCY PLAN 22 WATER SHORTAGE EMERGENCY PLAN Implemented when vulnerabilities in any City water supplies appear imminent   Provide measures that could be implemented on a phased basis as an emergency worsened Establish policy direction on how to respond to water supply management decisions during a severe extended drought Developed in coordination with the NCMA Intertie Plan, Inter-agency Mutual Aid requirements and Water Shortage Contingency Plan. 23 City of Arroyo Grande 23 24 CITY AND REGIONAL COORDINATION 24 IN-HOUSE WATER SHORTAGE EMERGENCY RESPONSE TEAM 25 City of Arroyo Grande PROPOSED TEAM MEMBERS Steve Adams, City Manager Debbie Malicoat, Administrative Services Director Teresa McClish, Community Development Director Geoff English, Public Works Director Shane Taylor, Utilities Supervisor Kelly Heffernon, Associate Planner Tim Schmidt, Water Service Worker 25 JOINT WATER WORSHOP WITH LEGISLATIVE BODIES OF GROVER BEACH, PISMO BEACH AND OCSD Fall 2014 26 REGIONAL COORDINATION 26 27 FUNDING RECOMMENDATIONS 27 WATER CONSERVATION COSTS: 28 City of Arroyo Grande Program FY 2014-15 2014-2020 Turf Removal Program $60,000 $330,000 Washing Machine Rebates $8,000 $44,000 Smart Irrigation Controller Program $8,000 $44,000 Landscape Irrigation Retrofit $6,000 $33,000 Plumbing Retrofit Program $52,050 $286,275 System Water Loss Mitigation $25,000 $100,000 City Landscape Irrigation $40,000 $200,000 Water Survey Program $20,000 $110,000 Public Education Campaign $100,000 $410,000 Total $319,050 $1,557,275 28 NCMA MEASURES: 29 City of Arroyo Grande Measure NCMA Total City Share Groundwater Model $750,000 $239,400 Monitoring Well $15,000 $4,788 Salt and Nutrient Management Plan $250,000 $79,800 Groundwater Storage $250,000 $79,800 Management Agreement $100,000 $31,920 Inter-agency Mutual Aid $25,000 $7,980 Supplemental Water Strategy $150,000 $47,880 Outreach to Agricultural Community $6,000 $1,915 Regional UWMP $170,000 $54,264 Water Shortage Contingency Plan $50,000 $15,960 Optimization of Surface Water Supply $100,000 $31,920 Total $1,866,000 $595,627 29 WATER CONSERVATION FUNDING: 30 City of Arroyo Grande Summary of Costs FY 2014-15 2014-2020 Turf Removal Program $319,050 $1,557,275 Washing Machine Rebates $595,627 $595,627 Total $914,677 $2,152,902 Revenues FY 2014-15 2014-2020 Existing Water In-Lieu Fees $119,050 $190,000 Future Projected Water In-Lieu Fees $0 $275,000 Water Fund Revenue $50,000 $275,000 Expiration of OCSD Water Purchase $150,000 $825,000 Water Availability Fund $595,627 $595,627 Total $914,677 $2,160,627 30 Discussion: Q & A 31 31 NCMA Management Objectives Share Groundwater Resources and Manage Pumping Monitor Supply and Demand and Share Information Manage Groundwater Levels and Prevent Seawater Intrusion Protect Groundwater Quality Manage Cooperatively Encourage Water Conservation Evaluate Alternative Sources of New Developed Water 32