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1901 - Soil Survey Of The Lower Salinas Valley California, Macy H. Lapham And W. H. Heileman

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

Prepared by the U.S. Department of Agriculture, Bureau of Soils, this report addresses the conditions found in the Lower Salinas Valley of Monterey County, California in 1901, including the development of agriculture, climate, geology, soil types, cultivation, irrigation. groundwater, and alkali found in the soil.

1915 - Monterey County, California - Lands For Wealth, Fruit For Health; Arthur Dunn

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

It was the aim of this booklet to direct attention to the advantages and opportunities found in Monterey County in 1915 for those who were seeking homes. The hope was that the publication would induce further settlement, for there was a vast amount of territory awaiting development. A marketing publication prepared by Sunset Magazine Homeseekers' Bureau for the Monterey County Board of Supervisors, the publication described in detail the bountiful agricultural opportunities, especially when irrigation and pumping were utilized. The document contains a: 1) description of existing irrigation systems, as well as a vision for the future of irrigation and …

2011 - California Gama Special Study - Nitrate Fate And Transport In Salinas Valley - Final Report

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

This study is one in a series of special studies that address the fate and transport of nitrate in basins where groundwater is the main source of water for both irrigation and public drinking water supply under the Groundwater Ambient Monitoring and Assessment (GAMA) Program managed by the California State Water Resources Control Board.

The Salinas Valley, known as ‘the salad bowl of the world’, has been an agricultural center for more than 100 years. Irrigated row crops such as lettuce and strawberries dominate both land use and water use in the valley. The most common water quality issue that …

1994 - Monterey County Water Resources Agency Ordinance 03790

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

This ordinance provides for the management of all groundwater wells within the Castroville Seawater Intrusion Project area, known as Zone 2B, following the completion and start-up of the Castroville Seawater Intrusion Project. It prohibited and otherwise restricted pumping from groundwater wells in Zone 2B, and it provided for the classification of the various wells, for the maintenance and limited operation of standby wells, and for the destruction of abandoned wells, contaminated wells, wells that allow cross-contamination of aquifers in intruded areas, and other wells. The ordinance established a procedure for the destruction of wells, a variance procedure, an appeals procedure, …

2011 - Economic Contributions Of Monterey County Agriculture

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

This report analyzed Monterey County agriculture’s total contribution to the local economy. The findings offered the fullest picture yet of agriculture’s economic role. This report should be of interest to policymakers, the public, and anyone who values a vibrant local economy.

The calculations were drawn from local and national sources. Local sources include annual Crop Reports and industry experts. Local experts included local economists, agriculture industry organizations, and the 13-person Agricultural Advisory Committee for Monterey County that provided input into the research. National data sources included federal government statistics and a widely used economic modeling program called IMPLAN. Except where …

2003 - Geohydrologic Framework Of Recharge And Seawater Intrusion In The Pajaro Valley, Santa Cruz And Monterey Counties, California

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The Pajaro Valley Water Management Agency (PVWMA) must deal with issues of both water supply and water quality. Managing water resources for agricultural and municipal users requires maintaining a reliable water supply to meet growing demands while preventing ground-water overdraft and the related degradation of water quality. Important regional water-quality concerns include increased nitrate concentrations and seawater intrusion. To protect the quantity and quality of the ground-water supplies, the PVWMA has implemented a plan to prevent further seawater intrusion. In order to evaluate how these activities can be conducted most effectively, it is necessary to improve the understanding of the …

2014 - State Of The Salinas River Groundwater Basin Report, Executive Summary

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

An examination of the state of the Salinas River Groundwater Basin (Basin) was conducted in the last half of 2014 as part of the larger Basin Investigation. This Executive Summary of the State of the Basin Report addresses the ramifications of prolonged drought by considering likely changes in groundwater head elevations, groundwater storage, and seawater intrusion in the event that the current drought continues. In addition, some steps are presented that could be taken to help alleviate the consequences of further depleting groundwater storage.

2015 - Basin Study Workshop - State Of The Salinas River Groundwater Basin Report

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The Salinas River Groundwater Basin report provided a snapshot of the current conditions within Zone 2C. The report also addressed the ramifications of prolonged drought by considering potential changes in:

• groundwater storage,
• groundwater head elevations, and
• seawater intrusion

The report provided technical options that could help alleviate the consequences of continued drought conditions

2018 - Status And Understanding Of Groundwater Quality In The Monterey-Salinas Shallow Aquifer Study Unit, 2012-13 - California Gama Priority Basin Project

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The study was designed to provide a statistically robust assessment of untreated-groundwater quality in the shallow aquifer systems. The assessment was based on water-quality samples collected by the U.S. Geological Survey from 100 groundwater sites and 70 household tap sites, along with ancillary data such as land use and well-construction information. The shallow aquifer systems were defined by the depth interval of wells associated with domestic supply. The Monterey-Salinas Shallow Aquifer study unit consisted of four study areas—Santa Cruz (210 km2), Pajaro Valley (360 km2), Salinas Valley (2,000 km2), and Highlands (5,250 km2).

The first primary component of this study—the …

2017 - Salinas And Carmel Rivers Basin Study - Plan Of Study

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The purpose of the Salinas and Carmel Rivers Basin Study (Basin Study) is to inform and guide future courses of action in response to existing and potential future imbalances between water supplies and demands in the Salinas and Carmel Rivers Basin. This Basin Study is a collaborative effort between four local partner agencies, and is supported by two Federal agencies. It will identify existing water supplies and demands, model future water supplies and demands, accounting for uncertainties in future climate conditions, population growth, and other socioeconomic trends.

The Basin Study will be developed in coordination with the Monterey Peninsula Drought …

1998 - Salinas Valley Water (Preliminary Analysis Of) The Cause And Cost Of Seawater Intrusion

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

An analysis of the historical cause of seawater intrusion in the Pressure Area of Monterey County. An annual overdraft of groundwater resources near the coast coupled with a seasonal cycle of over pumping created a reversal in the groundwater gradient and associated cones of depression. "Marine intrusion has occurred in the 180-foot aquifer in recent years as a result of overdrafts." (Bulletin 52, 1946, p.27). The only overdrafts on groundwater in the Salinas Valley were in the East Side and Pressure Areas. "There was no shortage of groundwater in the remainder of the basin and no threat of deficiency under …

2000 - Geology Bibliography Of California, 1854–2000

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The scope of this database is much broader in scope than the original list of consultant reports submitted to Monterey County governmental agencies and includes extensive references on regional geologic mapping, hydrogeology, economic geology, and research done in connection with the Parkfield Earthquake Prediction Experiment.

Major sources of information include:

• Monterey County Planning Department: a database of approximately 2,000 references within the

categories of geology, soil, water resources, and water quality.

• Monterey County Water Resources Agency.

• Monterey Peninsula Water Management District.

• The American Geological Institute’s GeoRef database.

• The U.S. Geological Survey’s National Geologic Map Database. …

1998 - 2030 Land Use And Water Needs Conditions

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

Documentation of the methodology and data used to estimate the land use, M&I water needs, and pumped agricultural water under the 2030 conditions. One of the primary goals of the Salinas River Basin Management Plan (BMP) is to meet the agricultural, and municipal and industrial water needs of the Valley under the existing conditions (1995 level of development) as well as, under the future conditions (2030 level of development), while stopping the seawater intrusion and balancing the hydrologic conditions in the basin. In order to meet the 2030 water needs, a reasonable estimate of land use and water use conditions …

2010 - Excerpt From Master Response 4 - Water Supply Re Salinas Valley Water Supply (10-28-10)

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

In addition to the Master Response to the Monterey County General Plan pertaining to the analysis of the Salinas Valley water supply, tables and figures referenced in the response are included at the end of the response. This document is for informational purposes only to provide a summary of information relative to the Salinas Valley water supply analysis contained in the Final EIR.

2008 - San Antonio And Nacimiento Rivers Watershed Management Plan

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The purpose of the San Antonio and Nacimiento Rivers Watersheds Management Plan is to identify the existing conditions of and stresses in these watersheds as they relate to water quality, and recommend methods for reducing or eliminating those stressors such as alternative land use practices. The plan was created to:

􀂃 The reservoirs and their respective watersheds are the source for water recharging the Salinas Valley groundwater basin.

􀂃 There is a direct correlation between the health of these watersheds and the supply and quality of water for the Salinas Valley.

􀂃 The Salinas Valley’s population and economy are dependent …

2003 - Deep Aquifer Investigation - Hydrogeologic Data Inventory, Review, Interpretation And Implications

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The “deep aquifer” designation derives from the history of water resource development in Monterey County. Advancing seawater intrusion, first, in the 180-foot aquifer, and subsequently in the 400-foot aquifer, forced ground water users to progressively driller deeper to find fresh water. The first deep aquifer water well was drilled in 1976. In order to develop an improved understanding of the regional ground water resource, this technical memorandum attempts to integrate all available data on the aquifer systems underlying the 180- and 400-foot aquifers of the Salinas Valley. The available data set for the deep aquifer is scanty. These data are …

2006 - Salinas Valley Integrated Regional Water Management Functionally Equivalent Plan Summary Document Update

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The California Department of Water Resources (DWR) and the State Water Resources Control Board (SWRCB) are encouraging local and regional water management planners to establish integrated regional water management plans through the collaboration of planning efforts and project coordination. The intent is to encourage planners to implement projects focused on meeting multiple water resources needs on a regional basis. Jointly, both agencies are soliciting grant applications for Proposition 50 Chapter 8 grant funding, which was established to provide a fiscal tool to support integrated regional water management. In order to take advantage of this funding opportunity, Monterey County Water Resources …

2016 - Memorandum Of Understanding For Integrated Regional Water Management In The Greater Monterey County Region With Amendments Through December 2016

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

An Integrated Regional Water Management Plan (IRWM Plan) developed by 18 member entities that include government agencies, nonprofit organizations, educational organizations, water service districts, private water companies, and organizations representing agricultural, environmental, and community interests. The IRWM Plan is an expansion and modification of a previous plan – the May 2006 Salinas Valley Integrated Regional Water Management Functionally Equivalent Plan developed by Monterey County Water Resources Agency. This MOU recognizes the joint commitment of the undersigned parties to develop an IRWM Plan for the Greater Monterey County Region. The MOU does not impose any further commitments or obligations upon any …

2014 - Quarternary Geologic Map Of North-Central Salinas River Valley And Arroyo Seco

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The new mapping provides a detailed stratigraphic history of incision and deposition from the early Pleistocene to the present. Infiltration from the Salinas River and its tributaries is the source of irrigation water in this agricultural region. Irrigation water is pumped from the aquifers at depths of about 55 and 120 m. Area has become intruded by seawater, especially between cities of Castroville and Salinas.

2013 - Greater Monterey County Integrated Regional Water Management - Disadvantaged Community And Tribal Needs Assessment

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

A 2013 Disadvantaged Community and Tribal Needs Assessment as they relate to water management in the Greater Monterey County Integrated Regional Water Management process in the planning region thus informing future project development.

2004 - Final Report, Hydrostratigraphic Analysis Of The Northern Salinas Valley

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The Monterey County Water Resources Agency (Agency) is responsible for the management and planning of water resources within Monterey County The agency uses a network of wells to monitor groundwater conditions in the Salinas Valley ground water basin (Figure 1). The progressive advancement of the seawater intrusion front into groundwater zones and the understanding of the northern Salinas ground water basin hydrogeology have been documented by the Agency since the 1950s. Only since the late 1990s was there sufficient well logs, geophysical, and lithological data to support a three-dimensional (3-D) study of the inter-related ancestral fluvial and alluvial-fan depositional environments …

2018 - Integrated Regional Water Management Plan Of The Greater Monterey County Region – Updated

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

Integrated regional water management (IRWM) is an approach to water resource management in California that is being strongly promoted by the State as a way to increase regional self-sufficiency. IRWM offers an approach for managing the uncertainties that lie ahead, particularly in light of climate change. The IRWM planning process brings together water and natural resource managers, along with other community stakeholders, to collaboratively plan for and ensure the region’s continued water supply reliability, improved water quality, flood management, and healthy functioning ecosystems—allowing for creative new solutions and greater efficiencies. This IRWM Plan has been developed for the Greater Monterey …

2015 – Project Justification – Addressing An Urgent Water Supply Need For A Disadvantaged Community In The Greater Monterey County Irwm Region

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

One hundred percent of Castroville’s water supply comes from the 400-foot aquifer of the Pressure sub-basin of the Salinas Valley Groundwater Basin. Groundwater levels in the aquifer dropped more than 100 feet below the seal level as of July 2015 at static conditions. Water levels dropped to more than 190 feet below the mean sea level during operation of the water well. The dramatic drop combined with the close proximity of the Pacific Ocean (less than 4 miles) and to existing seawater intrusion (less than ¼ mile) raised significant alarm that the existing water supply system to Castroville was imminently …

2013, November 19 - Protective Elevations To Control Sea Water Intrusion In The Salinas Valley, Geoscience For Mcwra

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

A report prepared in support of preventing revocation of Permit 1043 (State of California Division of Water Rights Permit for Diversion of Use of Water – Amended Permit 11043 dated 110-Jul-49) that allows for appropriation of water from the Salinas River in Monterey County California not to exceed 400 cfs with annual maximum diversion not to exceed 168,538 acre feet per year. The report addresses the potential beneficial uses of diverting water to help increase groundwater levels in the Pressure and East Side Subareas that would in turn help to control seawater intrusion.

2013-2014, August - Integrated Regional Water Management Plan For The Greater Monterey County Region

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

An Integrated Regional Water Management Plan (IRWM Plan) developed by 18 member entities that include government agencies, nonprofit organizations, educational organizations, water service districts, private water companies, and organizations representing agricultural, environmental, and community interests. The IRWM Plan is an expansion and modification of a previous plan – the May 2006 Salinas Valley Integrated Regional Water Management Functionally Equivalent Plan developed by Monterey County Water Resources Agency. While the traditional approach to water resource management has typically involved separate and distinct agencies managing different aspects of the water system, i.e., water supply, water quality, flood management, and natural resources, integrated …