CC 2014-06-10_11.a. Water Supply Strategies PresentationCity of Arroyo GrandesWATER STRATEGY REPORT
June 10, 2014
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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
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City of Arroyo Grande
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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
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City of Arroyo Grande
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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;
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City of Arroyo Grande
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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;
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City of Arroyo Grande
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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.
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City of Arroyo Grande
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Water Conservation Strategies
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WATER CONSERVATION STRATEGIES: projected supply
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City of Arroyo Grande
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WATER CONSERVATION STRATEGIES: projected demand
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City of Arroyo Grande
*- State 2020 Target- Requires reduction in use of 124 AFY
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WATER CONSERVATION STRATEGIES: projected Annual Water Reduction Goals
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City of Arroyo Grande
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WATER CONSERVATION STRATEGIES: Water Conservation Program Recommendations
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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
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WATER CONSERVATION STRATEGIES: Water Conservation Program Recommendations
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City of Arroyo Grande
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Northern Cities Management Area (NCMA) Technical Group
ANNUAL REPORT
WORK PLAN
STRATEGIC PLAN
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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
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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
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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
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Key Well Index-NCMA Sentry Wells
Source: 2013 NCMA Annual Report, 2014
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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
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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
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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
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Ncma Technical Group strategic plan – cont.
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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
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WATER SHORTAGE EMERGENCY PLAN
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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.
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City of Arroyo Grande
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CITY AND REGIONAL COORDINATION
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IN-HOUSE WATER SHORTAGE EMERGENCY RESPONSE TEAM
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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
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JOINT WATER WORSHOP WITH LEGISLATIVE BODIES OF GROVER BEACH, PISMO BEACH AND OCSD
Fall 2014
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REGIONAL COORDINATION
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FUNDING RECOMMENDATIONS
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WATER CONSERVATION COSTS:
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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
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NCMA MEASURES:
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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
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WATER CONSERVATION FUNDING:
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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
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Discussion: Q & A
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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
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