HomeMy WebLinkAbout02-05-2019 Item 10 - Prop 1 Groundwater Grant Program Application Department Name: Utilities
Cost Center: 6001
For Agenda of: February 5, 2019
Placement: Consent
Estimated Time: N/A
FROM: Aaron Floyd, Interim Utilities Director
Prepared By: Jennifer Metz, Utilities Projects Manager
SUBJECT: PROPOSITION 1, GROUNDWATER GRANT PROGRAM APPLICATION
RECOMMENDATION
1. Authorize staff to prepare and submit a grant application for the Perchloroethylene (“PCE”) Plume
Characterization Project; and
2. Authorize the City Manager, or designee, to execute required grant application documentation; and
3. Adopt a resolution entitled “A Resolution Authorizing Entering into a Funding Agreement with the
State Water Resources Control Board and Authorizing and Designating a Representative for the PCE
Plume Characterization Project.”; and
4. Approve the use of up to $440,000 from Water Fund unreserved working capital for a local match of
a maximum of 50 percent of the total project cost.
DISCUSSION
Background
The City began working with Water Systems Consulting (WSC) and Cleath-Harris Geologists in 2016 on
a hydrogeologic analysis and groundwater well equipping study related to an existing well located
proximate to the City’s Water Resources Recovery Facility and US Highway 101. The City planned to
place the existing well into service as a source of supply for the drinking water system; however, water
quality testing of the well in 2017 indicated the presence of PCE in small concentrations. The Central
Coast Regional Water Quality Control Board (Regional Board) is working to identify the source of the
PCE. Although the specific source(s) is not known, PCE was historically used in dry cleaning.
PCE can be treated in a relatively easy manner with granular activated carbon. The City needs to better
understand the water quality issues in the basin and geologic controls influencing groundwater flow,
especially the impacts from the relatively widespread, and not fully delineated, PCE plume.
While exploring options for treating and using the well, the City reached out to the Regional Board for
support and guidance. Regional Board staff suggested that the City, in a coordinated effort with the
Regional Board, could apply for funding from the State’s Proposition 1 Groundwater Grant Program to
develop a program for delineating the PCE plume, preventing further migration of the plume, and helping
identify the source of the plume for further remediation by others.
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On August 3, 2018, staff prepared a Concept Proposal through the Proposition 1 Groundwater Grant
Program for the PCE Plume Characterization Project (Attachment B). The State’s Program provides
funding for grants and loans for projects that prevent and cleanup contamination of groundwater that
serves, or has served, as a source of drinking water . The estimated project cost is $3.04 million. On
November 9, 2018 staff received confirmation from State Water Resources Control Board that the City’s
Conceptual Proposal had been reviewed and the City was invited to submit a full grant application. Staff
is working with WSC to prepare the grant application for the project, as described in more detail below.
Scope of Project
The proposed PCE Plume Characterization Project seeks grant funding for a study phase and an
implementation phase to respond to the presence of PCE beyond the original scope of the City’s
gr oundwater well equipping project. The Project’s study phase would include the development of a model
to investigate and delineate the existing PCE plume in the San Luis Obispo Groundwater Basin (“Basin”),
which covers about 2,000 acres near the southwest part of the City. The model would simulate the
movement as well as chemical alteration of PCE contaminants in the groundwater. In addition to defining
the PCE plume in the Basin, the model would be used to develop a greater understanding of the
hydrogeologic characteristics of the Basin. The Project would provide a more refined model of
groundwater movement and address the water quality requirements, both of which are required to be
included in the Groundwater Sustainability Plan required under the Sustainable Groundwater
Management Act (SGMA).
The Project’s implementation phase proposes the construction of cutoff wells. The cutoff wells would
intercept the plume and prevent further migration of the plume within the Basin or further downstream
along San Luis Obispo Creek. The cutoff wells would also be equipped to treat the groundwater to
drinking water standards using pressure filters with granular activated carbon media , allowing the water
to be utilized for potable purposes in the City.
The Proposition 1 Groundwater Grant Program application process is comprehensive. A detailed
description and cost breakdown for the Project is required as well as the adoption of a Resolution by the
governing body (Attachment A). The application for this funding opportunit y is due by February 18,
2019.
Previous Council or Advisory Body Actions
Use of available groundwater resources contributes to continued resiliency in the City of San Luis
Obispo’s water supply portfolio. In June of 2016, while still in the drought, the City Council approved the
2015-17 Financial Plan including a capital project to expand the City’s groundwater program. The budget
for this capital project was $1,470,000.
Policy Context
Consistent with General Plan, Water and Wastewater Management Element, Policy A2.2.1, the City
utilizes multiple water resources to meet its water supply needs, including groundwater resources. Policy
A 3.2.3 states that “The City will continue to use groundwater to enhance the resiliency of the City’s
water supply portfolio.”
Public Outreach
The status of the City’s groundwater program is highlighted annually in the publication of the Water
Resources Status Report.
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CONCURRENCES
Community Development concurs with the environmental review findings.
ENVIRONMENTAL REVIEW
Preparation of the grant application and adoption of the proposed Resolution is not a "project" under the
California Environmental Quality Act (CEQA), because the action does not involve any commitment to a
specific project which may result in a potentially significant physical impact on the environment, as
contemplated by Title 14, California Code of Regulations, Section 15378. Should the grant be awarded,
Staff would return at a later date with project specifications and environmental review would be
completed to support any recommended or contemplated actions.
FISCAL IMPACT
Budgeted: Yes Budget Year: FY 16-17
Funding Identified: Yes
Fiscal Analysis:
Funding Sources Current FY Cost Annualized
On-going Cost Total Project Cost
General Fund
State
Federal
Fees
Other: Water Fund,
Groundwater Program
(capital improvement
project , local match)
$1,080,000 $1,080,000
Other: Water Fund
Unreserved Working
Capital (local match)
$440,000 $440,000
Other: Prop. 1 Grant
Funding $1,520,000 $1,520,000
Total $3,040,000 $3,040,000
The City Council approved $1,470,000 for the hydrogeologic analysis, well equipping study, and
construction as part of the 2015-17 Financial Plan Supplement in June of 2016. To date, $390,000 has
been expended on consultant services and characterization of water quality leaving an available balance
of $1,080,000.
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The total cost for the PCE Plume Characterization Project is $3.04 million. There is no additional fiscal
impact associated with the recommended action to prepare and submit a grant application. The estimated
local match portion for the grant is a maximum of 50 percent of the total project cost, or $1.52 million.
Staff recommends using the remaining capital project balance toward the local match portion of the
Project and $440,000 from Water Fund unreserved working capital which currently has an available
balance of $20,091,906. If the City receives grant funding for the project, and proceeds with the study
phase, the City would have an opportunity to evaluate the grant’s terms prior to proceeding with
construction.
ALTERNATIVE
Deny the authorization to prepare and submit the grant application. The Council may decide not to
authorize staff to submit the grant application. Staff does not recommend this option, as there is a
favorable likelihood that the City will secure this grant.
Attachments:
a - Prop 1 Funding Resolution
b - Prop 1- Groundwater Sustainability Grant Program Concept Proposal
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R ______
RESOLUTION NO. _____ (2019 SERIES)
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF SAN LUIS
OBISPO, CALIFORNIA, AUTHORIZING ENTERING INTO A FUNDING
AGREEMENT WITH THE STATE WATER RESOURCES CONTROL
BOARD AND AUTHORIZING AND DESIGNATING A
REPRESENTATIVE FOR THE PCE PLUME CHARACTERIZATION
PROJECT
WHEREAS, the City of San Luis Obispo relies upon multiple water resources to meet its
water supply needs, including groundwater resources; and
WHEREAS, water quality testing of an existing City well in 2017 indicated the presence
of perchloroethylene (PCE) in the in the San Luis Obispo Groundwater Basin underlying the City;
and
WHEREAS, on August 3, 2018 the City of San Luis Obispo submitted a Conceptual
Proposal to the State Water Resources Control Board, Proposition 1 Groundwater Grant Program
for funding for the PCE Plume Characterization Project (Project); and
WHEREAS, prior to the State Water Resources Control Board's executing a funding
agreement, City of San Luis Obispo is required to adopt a resolution authorizing an agent, or
representative, to sign the funding agreement, amendments, and requests for disbursement o n
behalf of City of San Luis Obispo, and to carry out other necessary Project -related activities.
NOW, THEREFORE, BE IT RESOLVED by the Council of the City of San Luis Obispo
as follows:
SECTION 1. The City of San Luis Obispo is hereby authorized to carr y out the Project,
enter into a funding agreement with the State Water Resources Control Board, and accept and
expend State funds for the Project; and
SECTION 2. The Director of Utilities, or designee, is hereby authorized and designated
to sign, for and on behalf of City of San Luis Obispo, the funding agreement for the Project and
any amendments thereto; and
SECTION 3. Environmental Review. The City Council hereby determines that the grant
application is not a “project” as defined under CEQA.
SECTION 4. The Director of Utilities, or designee, is hereby authorized and designated
to represent the City of San Luis Obispo in carrying out City of San Luis Obispo's responsibilities
under the funding agreement, including certifying invoices and disbursement requests for Project
costs on behalf of City of San Luis Obispo and compliance with applicable state and federal laws.
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Resolution No. _____ (2018 Series) Page 2
R ______
SECTION 5. Any and all actions, whether previously or subsequently taken by City of
San Luis Obispo, which are consistent with the intent and purposes of the foregoing resolution,
shall be, and hereby are, in all respects, ratified, approved and confirmed.
Upon motion of _______________________, seconded by _______________________,
and on the following roll call vote:
AYES:
NOES:
ABSENT:
The foregoing resolution was adopted this _____ day of _____________________ 2019.
____________________________________
Mayor Heidi Harmon
ATTEST:
____________________________________
Teresa Purrington
City Clerk
APPROVED AS TO FORM:
_____________________________________
J. Christine Dietrick
City Attorney
IN WITNESS WHEREOF, I have hereunto set my hand and affixed the official seal of the City
of San Luis Obispo , California, this ______ day of ______________, _________.
____________________________________
Teresa Purrington
City Clerk
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CITY OF SAN LUIS OBISPO
City of San Luis Obispo PCE Plume
Characterization
Round 2 Concept Proposal
Proposition 1 Groundwater Sustainability Grant
Program
Prepared for:
State of California Water Resources Control Board
Division of Financial Assistance
8/3/2018
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City of San Luis Obispo Project Background
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
1 PROJECT BACKGROUND
1.A DESCRIPTION AND BACKGROUND
The City of San Luis Obispo’s (City) General Plan Water and Wastewater Management Element is the
guiding policy document adopted by City Council that outlines the goals, policies, and implementation
measures required to provide adequate water and wastewater supply based on an assessment of
current and future needs and available resources (1). One way the City meets the water supply
requirements outlined in the General Plan is through the One Water Vision. The intent behind the City’s
One Water Vision is to: 1) maximize beneficial reuse; 2) improve reliability, resiliency, and sustainability;
3) be an environmental steward; and 4) foster community engagement and organizational development.
The City has not been actively using groundwater as a source of drinking water supply for a variety of
reasons, including subsidence concerns and poor water quality. Increased use of groundwater as a
source of supply for the community meets the City’s One Water Vision goals. Integrating groundwater
back into the City’s supply portfolio means the City needs to better understand the water quality issues
in the San Luis Obispo Valley Groundwater Basin (Basin) and geologic controls influencing groundwater
flow, especially the impacts from the relatively large, although not fully delineated, PCE plume (Figures 1
through 7) (2) (3) (4).
1.B GROUNDWATER BASIN AND BENEFICIAL USES
The City has two wells approved as sources of supply in their water permit, the Pacific Beach Well is
active, although not regularly pumped, and the Fire Station Well which is on standby. Neither well has
well head treatment, both have tested for PCE, and one well has Chromium VI concerns. These issues
prompted the City to add an additional municipal supply well, so in 2003 the City drilled the Highway
101 Well. Subsidence issues and questions about basin reliability and water quality meant the City
decided not to equip the well at that time, opting to cap the well for later use.
In response to the 2011 to 2017 statewide drought and the One Water Vision, the City decided to
increase their use of groundwater to diversify their water supply portfolio. Because the Highway 101
Well was already drilled, the City focused on placing that well into service as a source of supply for the
drinking water system. Unfortunately, water quality testing of the well in 2017 indicated the presence of
PCE in the groundwater in excess of the MCL. The PCE contamination at multiple wells indicating the
presence of the large PCE plume underlaying the City has sent the City back to the planning stage to
determine the best way to roll out a groundwater program to improve the City’s water supply resiliency.
1.C COORDINATION WITH COOPERATING AGENCIES
As options for treating and using the well were being considered, the City reached out to the Central
Coast Regional Water Quality Control Board (Regional Board) for support and guidance. Regional Board
Staff suggested that the City, in a coordinated effort with the Regional Board, apply for Prop 1 Round 2
Grant Funding to develop a program for delineating the PCE plume, preventing further migration of the
plume, and helping identify the source of the plume for further remediation.
2 PROJECT OBJECTIVES
The City’s proposed approach to help mitigate the impacts of the PCE plume on the Basin is to delineate
the plume using data gathered from existing wells and new monitoring wells (as required) in
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City of San Luis Obispo Grant Amount and Match Requirements
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
combination with a groundwater model to locate and install municipal cutoff wells to capture and treat
the plume. The City data and model should help pinpoint the source of the PCE contamination for
further focused remediation by other parties 1, if required. The model and additional data gathered on
the plume will be used by the City and Regional Board to determine if further focused remediation of
the PCE source contamination is required. In addition, data collected will be incorporated in the
Groundwater Sustainability Plan for the San Luis Obispo Valley Groundwater Basin database
development process that will provide the Groundwater Sustainability Agency a database that can be
used as a platform to develop tools for decision making.
3 GRANT AMOUNT AND MATCH REQUIREMENTS
Table 1 of this Concept Proposal is an initial budget breakdown, including match funds from available
from the City ranging from 1.7 – 2.8 million, to be used for initial go/no-go determination and
discussions. These numbers will be refined and are expected to change. Match threshold can be as low
as 20% but depends on agency demographics and the nexus between the program and DAC recipients of
benefits. Based on the DAC area mapped in Figure 8 the City provides water to a portion of DAC
communities and therefore has probable merits for match reduction (5). For the purposes of this
concept proposal the match requirement is assumed 50%, however DAC match reduction will be further
evaluated in the event the Project is invited to prepare a full proposal.
4 SCOPE OF WORK
4.A DESCRIPTION OF THE TECHNOLOGY AND PRACTICES
The Project includes the development of a calibrated fate and transport model to investigate and
delineate the existing PCE plume in the Basin underlying the City of San Luis Obispo. A fate and transport
model will simulate the movement as well as chemical alteration of contaminants (PCE) in the
groundwater and vadose (unsaturated) zone. Although PCE is the primary constituent of concern, if
other contaminants are identified (i.e. other related organic compounds) the model may be expanded as
appropriate to address those constituents. In addition to defining the PCE plume in the Basin, the model
will be used to develop a greater understanding of the hydrogeologic characteristics of the Basin. The
groundwater model will allow the City to use multiple water resources to meet water supply needs and
continue to use groundwater to enhance the resiliency of the City’s water Supply Portfolio in accordance
to the City’s General Plan. The Project also includes constructing cutoff wells in the implementation
phase. These wells will serve multiple purposes. The cutoff wells will intercept the plume and reduce
further migration of the plume within the Basin or further downstream along San Luis Obispo Creek.
The cutoff wells will also treat the groundwater to drinking water standards using pressure filters with
granular activated carbon media. The treated water will then be placed to beneficial use in the City.
4.B WORK TASKS
The City’s tasks include overseeing the execution of the proposed project, data collection, developing a
conceptual site model, developing and implementing a monitoring and sampling plan which includes
sampling wells to establish a baseline of the PCE plume extent and construction of additional monitoring
1 Although the City is not the responsible party designated to clean up the source of contamination, the City plans
to have an open and collaborative relationship with the Regional Board to identify parties responsible and support
PCE cleanup efforts that improve the Basin for beneficial use.
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City of San Luis Obispo Scope of Work
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
wells if required, construction of one cutoff well to evaluate plume migration (assumed to by the
Highway 101 Well), update and expand an existing groundwater model to calculate the fate and
transport of the plume and evaluate capture zone of cutoff wells, construction management associated
with construction of monitoring wells and the first cutoff well, execute sampling and monitoring plans to
continuously monitor the plume, and engage in stakeholder outreach activities. A summary of the tasks
and subtasks proposed for the project is provided in Table 2 of this Concept Proposal.
4.C SCHEDULE
The schedule for the completion of the Project is included in Table 3 and Figure 9 to this Concept
Proposal and is estimated to take a total of 29 months.
4.D CONSISTENCY
This proposal outlines the Project’s planning phase of the Project. Once the planning phase is complete,
the implementation phase will begin and includes the construction of new municipal supply wells (cutoff
wells) that will be located and designed to capture and treat the PCE plume based on the initial model
evaluation of capture zone and put the water to beneficial use for the City. The implementation phase
will be based on a follow up Concept Proposal explicitly addressing implementation.
4.E PERMITTING AND ENVIRONMENTAL REVIEW
There are currently no permits obtained at this time. Infrastructure permits anticipated for the Project
include the following:
- Individual Agreements for Private Landowner Access
- City of San Luis Obispo - Encroachment permit
- California Department of Drinking Water – Amend water supply permit
- Cal Trans – encroachment permits
- County of San Luis Obispo Health Department– Well Driller’s permit
- Environmental Documentation – CEQA/ NEPA
4.F LAND ACQUISITION
Wells and surface water sites of interest are owned by multiple parties, including the City. The City has
already established access to multiple sites not owned by the City. After the sampling and monitoring
sites are determined from Task 2.1 (Work Task Breakdown Table 2), the City will initiate discussions with
land owners to obtain access to all sites that it does not presently have permission to access.
4.G OTHER AGREEMENTS
The City is their own GSA and have an agreement (MOA) in place with San Luis Obispo County, Varian
Ranch Mutual Water Company, Golden State Water Company, Edna Ranch Mutual Water Company, and
Edna Valley Growers Mutual Water Company to form a Groundwater Sustainability Commission to
develop a Groundwater Sustainability Plan for the Basin. No other agreements are anticipated during
the planning phase of the Project.
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
5 FIGURES AND TABLES
Figure 1: Overview map of the 2005 delineated plume in relation to known boundaries and natural features of interest.
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
Figure 2: PCE concentrations from 1990s data used in the QORE Property Sciences 2005 report.
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
Figure 3: PCE concentrations from Geotracker data greater than the MCL of 5 µg/L and the 2017 concentration of the Highway 101 well.
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
Figure 4: High groundwater level condition map produced from the Cleath-Harris Geologists 2018 report.
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
Figure 5: Low groundwater level condition map adapted from the Cleath-Harris Geologists 2018 report
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
Figure 6: Regional geologic map of the San Luis Obispo Valley Basin adapted from the GSI Water Solutions 2018 report.
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
Figure 7: Basin sediment thickness map of the San Luis Obispo Valley Basin adapted from the GSI Water Solutions 2018 report
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City of San Luis Obispo Figures and Tables
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
.
Figure 8: DAC distribution of the City of San Luis Obispo Valley.
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City of San Luis Obispo Budget Summary
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
6 BUDGET SUMMARY
Table 1: Budget Summary
Prop 1 GROUNDWATER GRANT PROGRAM - BUDGET SUMMARY
Applicant: City of San Luis Obispo FAAST PIN: 42566
Project:
Requested Grant Local Match Other Funding Total % Local Match
1. Direct Project Administration Costs $30,000 $38,385 $0 $68,385 56%
Program Management Administration $38,385 $38,385
City Staff Administration $30,000 $30,000
2. Planning/Design/Engineering/Environmental $551,918 $182,573 $0 $734,491 25%
Data Collection $32,500 $32,500
Develop Conceptual Model $26,000 $26,000
Develop and Implement Monitoring and Sampling Plan $174,070 $174,070
Groundwater Flow Model $156,000 $84,225 $240,225
Design - Highway 101 Well $75,848 $75,848 $151,696
Design - Monitoring Well(s) $65,000 $65,000
Permitting $22,500 $22,500 $45,000
3. Construction/Implementation $895,161 $1,259,546 $0 $2,154,707 58%
Construction - Hwy 101 Well $373,199 $1,119,596 $1,492,795
Construction Administration - Hwy 101 Well $46,650 $139,950 $186,599
Construction - Monitoring Well(s) $422,500 $422,500
Construction Administration - Monitoring Well(s) $52,813 $52,813
4. Monitoring/Performance $21,000 $39,000 $0 $60,000 65%
Continued Sampling and Monitoring $21,000 $39,000 $60,000
5. Outreach $21,547 $0 $0 $21,547 0%
Outreach $21,547 $21,547
Grand Total: $1,519,626 $1,519,504 $0 $3,039,130 50%
Other Funding Sources:
None at this time
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City of San Luis Obispo Work Task Breakdown
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
7 WORK TASK BREAKDOWN
Table 2: Summary of work tasks and associated subtasks for the Project.
Task 1.0 – Direct Project Administration Costs
Project Management Administration Consultant responsibilities include preparing and managing subcontracts, overseeing design and construction, facilitating
project meetings, stakeholder coordination, progress reports, and performing quality assurance/quality control reviews on
project deliverables
City Staff Administration City Project Manager responsibilities include preparing subcontracts, stakeholder coordination, and reviewing consultant
deliverables
City Clerical Support responsibilities include scheduling, invoicing, and email coordination
Task 2.0 Planning, Design, Engineering, and Environmental
Data Collection Compile available reports and tabulated data that contain historic surface water, groundwater, and water quality, well logs, and existing
groundwater model data
Identify data gaps
Work with the California Regional Board to compile data to fill in data gaps
Develop Conceptual Site Model Review data and develop conceptual hydrogeologic model of the Basin within the proposed (subject to change) groundwater model
boundary
Prepare hydrostratigraphic cross sections, determine aquifer properties, and bottom of aquifer contours
Develop and Implement Monitoring and Sampling Plan Conduct field reconnaissance of wells to determine well access and if they are usable for monitoring and sampling with or without
modification
Perform first round of sampling and for general minerals and PCE from select wells, San Luis Obispo Creek, and Lower Prefumo Creek.
Collect water level data and install transducers (data loggers) in wells for continuous monitoring
Delineate the plume from analyzed water samples and create piper diagrams to further understand groundwater-surface water interaction
at the south end of the Project area
Identify spatial data gaps and determine locations and preliminary designs for up to three monitoring wells
Perform second round of sampling and water level data collection
Develop monitoring and sampling plan
Groundwater Flow Model Review data and determine new groundwater model extent from existing groundwater model
Update groundwater model with data and calibrate
Perform fate and transport analysis
Develop groundwater modeling scenarios to identify optimal cutoff well locations to prevent plume migration
Permitting Compliance with the California Environmental Quality Act (CEQA) – (Project fee assumes an IS/MND)
Task 3.0 – Construction and Implementation
Construction and Management Construction Management services prior to and during construction of the proposed monitoring wells and equipping of the Highway 101
well
Task 4.0 – Monitoring and Performance
Continued Sampling and Monitoring Execute monitoring and sampling plans to track existing groundwater contamination in relation to proposal goals
Task 5.0 – Outreach
Outreach Stakeholder outreach and coordination efforts with landowners/well owners and others to perform water quality testing on wells and
monitor groundwater levels
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City of San Luis Obispo Schedule
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
8 SCHEDULE
Table 3: Proposed Project schedule table.
Task Description Status Estimated Completion Date Assumptions
1.0 DIRECT PROJECT ADMINISTRATION
COSTS
Planned May 2021
1.1 Project Administration Planned May 2021
2.0 PLANNING, DESIGN, ENGINEERING,
AND ENVIRONMENTAL
Planned May 2021
2.1 Data Collection Planned March 2019
2.2 Develop Conceptual Site Model Planned May 2019
2.3 Develop Monitoring and Sampling
Plan
Planned November 2019 Up to three
monitoring wells
will be sited and
installed within
this time frame
2.4 Groundwater Flow Model Planned May 2021
2.5 Design Planned August 2019
2.6 CEQA Compliance: Prepare IS/MND Planned October 2019
3.0 Construction and Management Planned October 2019
4.0 Monitoring and Performance Planned May 2021
5.0 Outreach Planned May 2021
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City of San Luis Obispo Schedule
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
Figure 9: Proposed Project schedule represented by a GANTT chart.
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City of San Luis Obispo References
City of San Luis Obispo PCE Plume Characterization Round 2 Concept Proposal
REFERENCES
1. City of San Luis Obispo. General Plan. San Luis Obispo : s.n., 2015.
2. Cleath-Harris Geologists. Groundwater Flow Analysis Recycled Water Recharge Project San Luis Valley
Sub-Area San Luis Obispo Valley Groundwater Basin. 2018.
3. GSI Water Solutions, Inc. San Luis Obispo Valley Basin Characterization and Monitoring Well
Installation. Atascadero : s.n., 2018.
4. QORE Property Sciences. San Luis Obispo Plume Background Study. 2005.
5. Department of Water Resources. DAC Mapping Tool. ArcGIS Web Application. [Online] 2018.
https://gis.water.ca.gov/app/dacs/.
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