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Title: Public Scoping Meeting for the


1
  • Public Scoping Meeting for the
  • Preparation of a
  • Program Environmental Impact Report
  • to Address Implementation of the
  • Optimum Basin Management Program (OBMP) for the
    Chino Groundwater Basin

2
Optimum Basin Management ProgramPurpose of a
Scoping Meeting
  • Scoping helps to identify the range of actions,
    alternatives, environmental effects, methods of
    assessment, and mitigation measures to be
    analyzed in depth, and eliminates from detailed
    study those issues that are not important to the
    decision at hand (Section 15083 CEQA Guidelines).

3
Optimum Basin Management ProgramPurpose of
Notice of Preparation (NOP)
  • The purpose of a NOP is to fulfill legal
    notification requirements, and to inform the
    public and CEQA Responsible and Trustee Agencies
    that a program EIR will be prepared.
  • The intent is to solicit input regarding the
    potential environmental effects of the proposed
    project.

4
Optimum Basin Management ProgramProgram
Environmental Impact Report (EIR)
  • A program EIR has been selected for the OBMP
    based on the definition of a program document
    contained in Section 15168 of the State CEQA
    Guidelines which states
  • A program EIR is an EIR which may be prepared
    on a series of actions that can be characterized
    as one large project and are related either (1)
    Geographically, (2) As a logical part in the
    chain of contemplated actions,...

5
Optimum Basin Management Program CEQA
  • The OBMP clearly establishes a program that
    falls within the scope of a programmatic document
    because it defines a series of actions that are
    tied together within the Chino Groundwater Basin
    and the proposed program actions are all designed
    to fulfill the goal of enhanced safe yield and
    improved water quality for the Basin.

6
Optimum Basin Management ProgramPotential
Environmental Effects
  • The IEUA proposes to prepare a full scope
    environmental evaluation that will address all
    issues on a standard Initial Study Environmental
    Checklist Form. These include
  • Land Use ? Hazards
  • Population Housing ? Noise
  • Geological Problems ? Public Services
  • Water ? Utilities Service Systems
  • Air Quality ? Aesthetics
  • Transportation/Circulation ? Cultural Resources
  • Biological Resources ? Recreation
  • Energy Mineral Resources

7
Optimum Basin Management ProgramPotential
Impacts Requiring Mitigation
  • Geological problems (subsidence or liquefaction)
    may be caused or exacerbated due to extraction
    and recharge of groundwater in support of OBMP
    objectives.
  • Biological resource impacts may be caused by
    ground disturbance undertaken to install the
    facilities required to implement the OBMP.
  • The creation and expansion of water-related
    facilities may affect future growth in
    undeveloped areas.
  • Recycling reclaimed water has the potential to
    increase levels of Total Dissolved Solids and
    adversely impact groundwater quality in the
    Basin.
  • Operation of desalting and treatment facilities
    will generate salt and other waste products that
    may be problematic for disposal.
  • Construction of additional facilities has the
    potential to conflict with existing land uses.

8
Optimum Basin Management ProgramPotential
Impacts Requiring Mitigation
  • The unplanned use of flood control basins for
    percolation of storm water and recycled water
    could result in the potential for exposure of
    people and surrounding areas to flooding hazards.
  • Treatment of degraded water has the potential to
    generate hazardous wastes (both solid waste and
    air pollutants) and the potential to expose
    people to hazardous conditions.
  • Visual resources may be affected by construction
    of element facilities.
  • Construction and operation of facilities to
    implement program elements may have air quality
    impacts (fugitive dust or other emissions).
  • Construction activities and new facility
    operations may generate noise that will conflict
    with adjacent land uses.
  • Cultural resource impacts may be caused by ground
    disturbances undertaken to install OBMP physical
    facilities.

9
Chino Basin Watermaster Optimum Basin Management
Program
  • The Optimum Basin Management Program (OBMP)
    encompasses the Chino Basin. The Chino
    Groundwater Basin has been divided into five
    management zones, based on hydrologic conditions,
    and into three sub-basins.

10
Optimum Basin Management ProgramRegional Map of
the Chino Groundwater Basin
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12
Optimum Basin Management ProgramChino Sub-basins
13
Optimum Basin Management ProgramCharacteristics
  • The Chino Groundwater Basin is one of the largest
    groundwater basins in southern California,
    containing about 5 million acre-feet of water in
    storage with an additional unused storage
    capacity of about 1 million acre-feet.

14
Optimum Basin Management ProgramCharacteristics
  • Cities and other water supply entities produce
    groundwater for all or part of their municipal
    and industrial supplies from the Chino
    Groundwater Basin.
  • The average annual well production is 140,000
    acre-feet for the Basin.
  • An additional 300 to 400 agricultural users also
    produce groundwater from the Basin.

15
Optimum Basin Management ProgramDescription
  • The Chino Basin Watermaster was effectively
    established by a Judgement entered in the
    Superior Court of California (the Court) in 1977.
  • The Judgement allows the Watermaster to collect
    funds, to finance essential studies and
    negotiations, and to implement a management
    program for the Chino Groundwater Basin.
  • The Watermaster was also directed by the Court to
    prepare and submit an OBMP document.

16
Optimum Basin Management ProgramPhasing
  • Phase 1- Defining the state of the Chino
    Groundwater Basin, establishing goals concerning
    major stakeholders and affirming the management
    plan.
  • Phase 2- Implementation mechanisms for the OBMP.

17
Optimum Basin Management ProgramGoals
  • Goal 1 To enhance Chino Basin groundwater
    supplies.
  • Goal 2 To protect and enhance water quality.
  • Goal 3 To enhance management of the Chino
    Groundwater Basin.
  • Goal 4 To equitably finance the OBMP.

18
Optimum Basin Management ProgramElements for
Development Implementation
  • Element No.1 Monitoring
  • Element No. 2 Recharge
  • Element No. 3 Water Supply Plan for the Impaired
    Areas of the Basin
  • Element No. 4 Groundwater Management Plan for
    Zone 1
  • Element No. 5 Regional Supplemental Water Program
  • Element No. 6 Cooperative Efforts
  • Element No. 7 Salt Management
  • Element No. 8 Groundwater Storage Management
    Program
  • Element No. 9 Conjunctive-Use Programs

19
Program Element No. 1
  • Develop and Implement Comprehensive Monitoring
    Program
  • Impact of recharge water on groundwater will be
    monitored using up down gradient monitoring
    wells.
  • Data from the monitoring study will provide
    necessary information to determine outflow to the
    Santa Ana River, actual Basin production, optimum
    groundwater treatment facility design and
    management policies for the Basin.

20
Program Element No. 2
  • Develop and Implement Comprehensive Recharge
    Program
  • The recharge of recycled water will be
    coordinated with percolation of surface runoff
    from the mountains, urban stormwater runoff, and
    State Water Project sources, so as to minimize
    future dependency on uncertain water supplies.
  • Locate new recharge facilities in the upper half
    of the basin to ensure recovery of this water for
    beneficial uses and to increase basin yield.
  • Locate new recharge facilities in the lower half
    of the basin only when recovery of recharged
    water can be assured, and when sub-basin water
    quality will not be adversely affected (Relates
    to Program Element 3,4,5,9).

21
Program Element No. 3
  • Develop and Implement Water Supply
    Plan for the Impaired Areas of the Basin.
  • Develop regional and local groundwater treatment
    systems/programs to treat degraded groundwater
    for subsequent direct beneficial uses, to improve
    groundwater quality by decreasing TDS and
    Nitrogen concentrations, and to maintain/increase
    safe yield.
  • These systems/programs will help to prevent basin
    outflow, stop the spreading of degraded water
    quality, and improve Santa Ana River water
    quality (Related to Program Elements 1,5,7,9).

22
Program Element No. 4
  • Develop and Implement Groundwater
    Management Plan for Management Zone 1.
  • Develop groundwater level and quality management
    programs for use in arresting the decline in
    groundwater level for this zone.
  • Implement a combination of the following actions
    to minimize potential for additional subsidence,
    fissuring, lost production capability and water
    quality problems (a)increase recharge, (b)manage
    zonal production, (c)increase direct use of
    supplemental water supplies in this area, and (d)
    develop new management policies regarding cyclic
    and local storage accounts (Relates to Program
    Elements 1,2,5,6,8,9)

23
Program Element No. 5
  • Develop and Implement Regional
    Supplemental Water Program.
  • To allow for greater recharge of recycled water,
    develop offset programs and mitigation programs
    to increase the assimilative capacity for TDS and
    Nitrogen in the Basin.
  • As future demands increase, traditional sources
    of supplemental supplies may become limited. By
    maximizing the direct use of recycled water,
    future dependence on expensive and less reliable
    sources will be minimized.
  • This program will ensure that adequate supplies
    of high quality water will be available to meet
    future demands (Relates to Program Elements
    2,3,4,9).

24
Program Element No. 6
  • Develop and Implement Cooperative Programs with
    the Regional Board and Other Agencies to Improve
    Basin Management.
  • Cooperatively participate in RWQCB Watershed
    Management Efforts for the region.
  • Coordinate efforts to blend recycled water,
    imported water and natural storm water,
    facilitating better management of the TDS and TIN
    in flushing/cleaning-up the groundwater basin.
  • Coordinate with regulatory agencies to share
    monitoring responsibilities and to facilitate
    information distribution so that coordinated
    action may be taken to define and address water
    quality issues, and to allow for improved
    timeliness in clean-up efforts (Relates to
    Program Elements 1,3,4,9).

25
Program Element No. 7
  • Develop and Implement Salt Management
    Program.
  • Develop salt budget goals to obtain optimum water
    quality for the entire Chino Basin.
  • Coordinate recycled water recharge program with
    the construction of desalters in the lower end of
    Chino Basin.
  • Develop programs to export manure, treat or
    export dairy sewage, and eliminate dairy sewage
    discharge into the basin. These actions will
    decrease ongoing salt and nitrogen loading at
    less cost than treatment of receiving waters.

26
Program Element No. 8
  • Develop and Implement Groundwater
    Storage Management Program.
  • Develop methods to account for losses from cyclic
    and local storage accounts and set limits on
    storage.
  • This action will help maintain the safe yield and
    ensure that basin water is put to maximum
    beneficial use (Relates to Program Element 4).

27
Program Element No. 9
  • Develop and Implement
    Conjunctive-Use Program.
  • Develop conjunctive use programs that account for
    water quantity and quality and will result in
    balanced production throughout the Basin.
  • This will result in lower water supply costs to
    basin producers (Relates to the implementation of
    all Program Elements and Goal Number 4).

28
Optimum Basin Management ProgramPotential
Projects
  • Maintain and construct wells as necessary for
    monitoring and recharge purposes
  • Install water pipelines and brine pipelines to
    deliver water, transport recycled water and
    export wastes to the SARI system
  • Construct Pump Stations
  • Construct and Operate Desalters and/or Ion
    Exchange treatment facilities
  • Make improvements on existing flood control
    channels/basins to allow for groundwater recharge
  • Construct new spreading basins to allow for
    groundwater recharge

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