Difference between revisions of "Interlake Tunnel - Monterey and San Luis Obispo Counties, California"

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A [[Summaries of Environmental Topics in California's Central Coast Region|Environmental Topics]] summary by the [[ENVS 560/L Watershed Systems]] class at [[California State University Monterey Bay|CSUMB]].
 
A [[Summaries of Environmental Topics in California's Central Coast Region|Environmental Topics]] summary by the [[ENVS 560/L Watershed Systems]] class at [[California State University Monterey Bay|CSUMB]].
  
This page provides a brief overview of the history, timeline of events, EIR Development, and county presentations for the proposed Interlake Tunnel.
+
This page provides a brief overview of the history, timeline of events, EIR Development, contract documents and county presentations for the proposed Interlake Tunnel.
  
 
==Overview==
 
==Overview==
  
==Timeline of Events==
+
The primary purpose of the Interlake Tunnel was to redirect water from the Nacimiento Reservoir to the San Antonio Reservoir in efforts to reduce spillage at the [[Nacimiento Dam]]. Based on historical data, the Nacimiento River basin produces roughly three times the average flow of the San Antonio River basin. To increase the overall capacity of the system, the Interlake Tunnel could capture high [[Nacimiento River]] flows and reroute them to the San Antonio Reservoir.<ref name="MCWRA: Interlake Tunnel"> Monterey County Water Resources Agency [https://www.co.monterey.ca.us/government/government-links/water-resources-agency/projects-facilities/interlake-tunnel MCWRA: Interlake Tunnel] Updated 2020. </ref>
  
==EIR Development==
+
The [[Monterey County Water Resources Agency (MCWRA)]] prioritized the completion of the [[Salinas Valley Water Project (SVWP)]] and the [[Salinas River Diversion Facility]] before the Interlake Tunnel Project.<ref name="MCWRA: Interlake Tunnel"> Monterey County Water Resources Agency [https://www.co.monterey.ca.us/government/government-links/water-resources-agency/projects-facilities/interlake-tunnel MCWRA: Interlake Tunnel] Updated 2020. </ref>
  
==County Presentations==
+
==Specifications==
 +
 
 +
The tunnel is designed to be approximately 11,000 feet long and used gravity flow dynamics that has an inflow situated at the Nacimiento Reservoir and an outflow built in the San Antonio Reservoir. The total project is estimated to cost $50 million and could be completed by 2022.
 +
 
 +
The [[Monterey County Water Resources Agency (MCWRA)]] expressed priority in a preliminary environmental review before moving beyond pre-construction tasks. Pre-construction costs are imaged here.
 +
[[Image:InterLakeTunnel.JPG|300px|thumb|right|Image 2. Pre-construction Phase costs.]]
 +
 
 +
==Timeline of Events<ref name="MCWRA: Interlake Tunnel"> Monterey County Water Resources Agency [https://www.co.monterey.ca.us/government/government-links/water-resources-agency/projects-facilities/interlake-tunnel MCWRA: Interlake Tunnel] Updated 2020. </ref>==
 +
In June 2014, the Board of Supervisors of the [[Monterey County Water Resources Agency (MCWRA)]] authorized negotiation and execution of a funding agreement between Monterey County and the MCWRA for an amount not to exceed $500,000 for program management, engineering and environmental review of the Interlake Tunnel, said funds to be reimbursed to Monterey County if the Interlake Tunnel is approved and financed; and directed staff to return to the Board of Supervisors in July 2014 with a project status report and information on financial impact to the County in regards to funding the agreement. Presentation slides for this meeting are found here[https://www.co.monterey.ca.us/home/showdocument?id=18918].
 +
 
 +
On July 1, 2014, Funding Agreement approved. [[Monterey County Water Resources Agency (MCWRA)| MCWRA]] contracted with [https://www.epcconsultants.com/ EPC Consultants] for construction management responsibilities.
 +
 
 +
On August 25, 2014, the Board of the [[Monterey County Water Resources Agency (MCWRA)| MCWRA]] hosted a public information session to provide an update for the Interlake Tunnel project. The agenda and presentation slides for this workshop are found here[https://www.co.monterey.ca.us/home/showdocument?id=18952].
 +
 
 +
On November 19, 2014, the Board of the [[Monterey County Water Resources Agency (MCWRA)| MCWRA]] hosted a public information session to provide an update for the Interlake Tunnel project. The agenda, including technical memoradum, and presentation slides for this workshop are found here[https://www.co.monterey.ca.us/home/showdocument?id=18954].
 +
 
 +
On January 15, 2015, [[Monterey County Water Resources Agency (MCWRA)| MCWRA]] published an Informational Notice of pending RFP’s for engineering design[https://www.co.monterey.ca.us/home/showdocument?id=18942].
 +
 
 +
On February 26, 2015, [[Monterey County Water Resources Agency (MCWRA)| MCWRA]] held a [https://www.co.monterey.ca.us/home/showdocument?id=18928 public meeting] on the proposed Interlake Tunnel and San Antonio Spillway Modification project.
 +
 
 +
On March 13, 2015, [[Monterey County Water Resources Agency (MCWRA)| MCWRA]] published an [https://www.co.monterey.ca.us/home/showdocument?id=18934 UPDATED Informational Notice of pending RFP’s for engineering design]. This notice contains the RFP schedule.
 +
 
 +
On April 16, 2015, a RFP pre-proposal meeting was held. The presentation can be found here[https://www.co.monterey.ca.us/home/showdocument?id=18930].
 +
 
 +
On April 28, 2016, a Notice of Preparation/Initial Study (NOP/IS) was distributed, initiating a 45-day scoping period for the Environmental Impact Report. The NOP/IS can be found here[https://www.co.monterey.ca.us/home/showdocument?id=18922].
 +
 
 +
On May 16 and 17, 2016, scoping meetings were held. The presentation can be found here[https://www.co.monterey.ca.us/home/showdocument?id=18948].
 +
 
 +
==EIR Development<ref name="MCWRA: Interlake Tunnel"> Monterey County Water Resources Agency [https://www.co.monterey.ca.us/government/government-links/water-resources-agency/projects-facilities/interlake-tunnel MCWRA: Interlake Tunnel] Updated 2020. </ref>==
 +
*[https://www.co.monterey.ca.us/home/showdocument?id=18922 Notice of Preparation/Initial Study]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18926 Scoping Comments]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18948 Scoping Presentation]
 +
 
 +
==Contract Documents<ref name="MCWRA: Interlake Tunnel"> Monterey County Water Resources Agency [https://www.co.monterey.ca.us/government/government-links/water-resources-agency/projects-facilities/interlake-tunnel MCWRA: Interlake Tunnel] Updated 2020. </ref>==
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*[https://www.co.monterey.ca.us/home/showdocument?id=18966 Water Resources Agency Agreement for Services]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18968 Water Resources Agency Professional Services Agreement with Surveyors, Architects, Engineers or Design Professionals]
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 +
==County Presentations<ref name="MCWRA: Interlake Tunnel"> Monterey County Water Resources Agency [https://www.co.monterey.ca.us/government/government-links/water-resources-agency/projects-facilities/interlake-tunnel MCWRA: Interlake Tunnel] Updated 2020. </ref>==
 +
*[https://www.co.monterey.ca.us/home/showdocument?id=18918 June 3, 2014]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18954 August 25, 2014]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18954 November 19, 2014]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18956 February 26, 2015]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18930 April 16, 2015]
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*[https://www.co.monterey.ca.us/home/showdocument?id=18932 July 14, 2016]
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*[https://www.co.monterey.ca.us/home/showdocument?id=48124 September 15, 2017]
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*[https://www.co.monterey.ca.us/home/showdocument?id=62050 September 15, 2017 Q&A]
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*[https://www.co.monterey.ca.us/home/showdocument?id=64211 May 10, 2018]
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*[https://www.co.monterey.ca.us/home/showdocument?id=67222 July 6, 2018]
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 +
==References==
 +
<references/>
 +
 
 +
==Links==
 +
*[[Monterey County Water Resources Agency (MCWRA)]]
 +
*[[Salinas Valley Water Project (SVWP)]]
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*[[Salinas River Diversion Facility (SRDF)]]
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*[[Salinas River]]
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*[[Nacimiento River]]
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*[[Salinas Valley Seawater Intrusion]]
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*[[Monterey County]]
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*[[San Luis Obispo County]]
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*[[San Clemente Dam]]
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*[[San Antonio Dam]]
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*[[Interlake Tunnel]]
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 +
==Disclaimer==
 +
This page may contain student work completed as part of assigned coursework. It may not be accurate. It does not necessary reflect the opinion or policy of [[CSUMB]], its staff, or students.

Latest revision as of 11:29, 10 April 2020

Image 1. Interlake Tunnel.

A Environmental Topics summary by the ENVS 560/L Watershed Systems class at CSUMB.

This page provides a brief overview of the history, timeline of events, EIR Development, contract documents and county presentations for the proposed Interlake Tunnel.

Overview

The primary purpose of the Interlake Tunnel was to redirect water from the Nacimiento Reservoir to the San Antonio Reservoir in efforts to reduce spillage at the Nacimiento Dam. Based on historical data, the Nacimiento River basin produces roughly three times the average flow of the San Antonio River basin. To increase the overall capacity of the system, the Interlake Tunnel could capture high Nacimiento River flows and reroute them to the San Antonio Reservoir.[1]

The Monterey County Water Resources Agency (MCWRA) prioritized the completion of the Salinas Valley Water Project (SVWP) and the Salinas River Diversion Facility before the Interlake Tunnel Project.[1]

Specifications

The tunnel is designed to be approximately 11,000 feet long and used gravity flow dynamics that has an inflow situated at the Nacimiento Reservoir and an outflow built in the San Antonio Reservoir. The total project is estimated to cost $50 million and could be completed by 2022.

The Monterey County Water Resources Agency (MCWRA) expressed priority in a preliminary environmental review before moving beyond pre-construction tasks. Pre-construction costs are imaged here.

Image 2. Pre-construction Phase costs.

Timeline of Events[1]

In June 2014, the Board of Supervisors of the Monterey County Water Resources Agency (MCWRA) authorized negotiation and execution of a funding agreement between Monterey County and the MCWRA for an amount not to exceed $500,000 for program management, engineering and environmental review of the Interlake Tunnel, said funds to be reimbursed to Monterey County if the Interlake Tunnel is approved and financed; and directed staff to return to the Board of Supervisors in July 2014 with a project status report and information on financial impact to the County in regards to funding the agreement. Presentation slides for this meeting are found here[1].

On July 1, 2014, Funding Agreement approved. MCWRA contracted with EPC Consultants for construction management responsibilities.

On August 25, 2014, the Board of the MCWRA hosted a public information session to provide an update for the Interlake Tunnel project. The agenda and presentation slides for this workshop are found here[2].

On November 19, 2014, the Board of the MCWRA hosted a public information session to provide an update for the Interlake Tunnel project. The agenda, including technical memoradum, and presentation slides for this workshop are found here[3].

On January 15, 2015, MCWRA published an Informational Notice of pending RFP’s for engineering design[4].

On February 26, 2015, MCWRA held a public meeting on the proposed Interlake Tunnel and San Antonio Spillway Modification project.

On March 13, 2015, MCWRA published an UPDATED Informational Notice of pending RFP’s for engineering design. This notice contains the RFP schedule.

On April 16, 2015, a RFP pre-proposal meeting was held. The presentation can be found here[5].

On April 28, 2016, a Notice of Preparation/Initial Study (NOP/IS) was distributed, initiating a 45-day scoping period for the Environmental Impact Report. The NOP/IS can be found here[6].

On May 16 and 17, 2016, scoping meetings were held. The presentation can be found here[7].

EIR Development[1]

Contract Documents[1]

County Presentations[1]

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Monterey County Water Resources Agency MCWRA: Interlake Tunnel Updated 2020.

Links

Disclaimer

This page may contain student work completed as part of assigned coursework. It may not be accurate. It does not necessary reflect the opinion or policy of CSUMB, its staff, or students.