Alternative Periodic Evaluation

3-003.01 LLAGAS AREA

Base Information

12/17/2021

01/06/2022

03/22/2022

Vanessa De La Piedra (Santa Clara Valley Water District)

Santa Clara Valley Water District - Llagas Area

Notice Date:
Public Hearing Date: 11/23/2021
Two public notices on: November 7, 2021 November 17, 2021 The public hearing was November 23, 2021.

Supporting Information

File Name GSP Regulation Element(s) Uploaded Date & Time

References

Title Publication Name Publish Date Author(s) File Name or URL
Historical Vegetation and Drainage Patterns of Western Santa Clara Valley: A technical memorandum describing landscape ecology in Lower Peninsula, West Valley, and Guadalupe Watershed Management Areas San Francisco Estuary Institute Publication 2010-11-01 Beller, EE, MN Salomon Grossinger, RM
Empirical Model-Building and Response Surfaces Wiley & Sons, book 1987-01-16 Box, George E. and Draper, Norman R.
South County Subsidence Study – Phase I and Phase II University of California, Berkeley 2005-01-01 Bürgmann and Johanson
Stormwater Effects Handbook : a toolbox for watershed managers, scientists, and engineers CRC Press 2002-04-29 Burton, G. and Pitt, R.
Evaluation of Groundwater Resources, South San Francisco Bay, Appendix A: Geology 1970-01-01 California Department of Water Resources
Evaluation of Groundwater Resources, South San Francisco Bay, Volume IV: South Santa Clara Area 1981-01-01 California Department of Water Resources
California's Groundwater 2003-01-01 California Department of Water Resources
Guidance document for the sustainable management of groundwater - Guidance for climate change during groundwater sustainability plan development 2018-07-01 California Department of Water Resources
Water in the Santa Clara Valley: A History 2005-01-01 California History Center & Foundation,
Santa Clara Valley Investigation 1970-06-01 California State Water Resources Control Board
Santa Clara Valley Water District Act 2009-01-01 California Statutes
Santa Clara Valley Groundwater Model Project, Basinwide Groundwater Flow Model, Draft Technical Memorandum 1992-01-01 CH2M HILL
Santa Clara Valley Groundwater Model Project, Hydrogeologic Interpretation, Draft technical memorandum 1992-01-01 CH2M HILL
Coyote Valley Groundwater report 2000-01-01 CH2M HILL for Metcalf Energy Center
Llagas Basin Numerical Groundwater Model Report 2005-01-01 CH2M HILL for Santa Clara Valley Water District
Ground water in Santa Clara Valley, California U.S. Geological Survey 1970-01-01 Clark, W.O.
Hydrogeologic Analysis of the Santa Clara Valley Groundwater Basin Stanford University 1991-01-01 Carroll, G.R.
Central Coast Ambient Monitoring Program 2021-12-15 Central Coast Regional Water Quality Control Board
Onsite Wastewater Treatment Systems, Ordinance No. NS-517.85 2013-12-01 County of Santa Clara
Preliminary Geologic Map of the San Jose East Quadrangle, Santa Clara County, California U.S. Geological Survey 1972-01-01 Dibblee, T.W. Jr
Subsidence thresholds in the north county area of Santa Clara Valley Geosciences Support Services, Inc 1991-10-01 Geosciences Support Services
Geologic Map of the San Francisco Bay Region U.S. Geological Survey 2006-01-01 Graymer R.W., Moring B.C., Saucedo G.J., Wentworth C.M., Brabb E.E., and. Knudsen K.L
Coyote Creek Watershed Historical Ecology Study: Historical Condition, Landscape Change, and Restoration Potential in the Eastern Santa Clara Valley, California San Francisco Estuary Institute 2006-01-01 Grossinger, RM, RA Askevold, CJ Striplen, E Brewster, S Pearce, KN Larned, LJ McKee, and JN Collins
Hydrologic Framework of the Santa Clara Valley, California Geosphere 2015-01-01 Hanson, R.T.
Flatland Deposits of the San Francisco Bay Region, California: Their Geology and Engineering Properties and Their Importance to Comprehensive Planning U.S. Geological Survey 1979-01-01 Helley, E.J., and K.R. Lajoie
Hydrogeology of the Santa Clara and Coyote Valleys Groundwater Basins, California:, Recent Geologic Studies in the San Francisco Bay Area Pacific Section of the Society of Economic Paleontologists and Mineralogists 1995-01-01 Iwamura, T. I.
California Aquifer Susceptibility, A Contamination Vulnerability Assessment for the Santa Clara and San Mateo County Groundwater Basins 2004-01-01 Lawrence Livermore National Laboratory
An enhanced archive facilitating climate impacts and adaptation analysis Bulletin of the American Meteorological Society 2014-01-01 Maurer, E. P., L. Brekke, T. Pruitt, B. Thrasher, J. Long, P. Duffy, M. Dettinger, D. Cayan, and J. Arnold
A modular three-dimensional finite-difference ground-water flow model U.S. Geological Survey 1988-01-01 McDonald, M.G., and Harbaugh, A.W
Streamflow Gains and Losses along San Francisquito Creek and Characterization of Surface-Water and Ground-Water Quality, Southern San Mateo and Northern Santa Clara Counties, California U.S. Geological Survey 2002-01-01 Metzger, L.F.
Geologic, Water-Chemistry, and Hydrologic Data from Multiple-Well Monitoring Sites and Selected Water-Supply Wells in the Santa Clara Valley, California, 1999–2003 U.S. Geological Survey 2004-01-01 Newhouse, M.W., R.T. Hanson, C.M. Wentworth, R.R. Everett, C.F. Williams, J.C. Tinsley, T.E. Noce, and B.A. Carkin
A road map to manage our water resources 2016-10-04 One Water Plan
Statistical Downscaling Using Localized Constructed Analogs (LOCA). Journal of Hydrometeorology 2014-01-01 Pierce, D.W., Cayan, D.R., Thrasher, B.L.,
Land Subsidence in the Santa Clara Valley, California, as of 1982 U.S. Geological Survey 1988-01-01 Poland, J.F. and R.L. Ireland
Assessment of Contamination from Leaks of Hazardous Materials in Santa Clara Groundwater Basin 1985-01-01 San Francisco Water Board
Santa Clara County Code, Title B, Division B11, Chapters IV and V 1998-01-01 Santa Clara County
Santa Clara Valley Water District website Santa Clara Valley Water District
Saltwater Intrusion Investigation in the Santa Clara County Baylands Area Santa Clara Valley Water District 1980-01-01 Santa Clara Valley Water District
Standards for the Construction and Destruction of Wells and Other Deep Excavations in Santa Clara County 1998-01-01 Santa Clara Valley Water District,
Private Well Water Testing Nitrate Data Report Santa Clara Valley Water District 1998-01-01 Santa Clara Valley Water District
An Analysis of the Sensitivity to Contamination of the Santa Clara Valley Groundwater Aquifers Based on the USEPA Drastic Methodology 1999-01-01 Santa Clara Valley Water District
Operational Storage Capacity of the Coyote and Llagas Groundwater Subbasins. Santa Clara Valley Water District 2002-01-01 Santa Clara Valley Water District
Operational Storage of Santa Clara Valley Groundwater Basin Santa Clara Valley Water District 1999-01-01 Santa Clara Valley Water District
Study of Potential for Groundwater Contamination from Past Dry Cleaner Operations in Santa Clara County Santa Clara Valley Water District 2007-01-01 Santa Clara Valley Water District
South County Recycled Water Master Plan Project: Environmental Impact Report 2014-01-01 Santa Clara Valley Water District
Potential Groundwater Contamination from Intentional and Unintentional Stormwater Infiltration 1994-01-01 USEPA
Ground-water quality data in the San Francisco Bay study unit, 2007: Results from the California GAMA program U.S. Geological Survey 2009-01-01 USGS
Groundwater-quality data in the South Coast Interior Basins study unit, 2008: Results from the California GAMA program U.S. Geological Survey 2009-01-01 USGS
Physical Subdivision and Description of the Water-Bearing Sediments of the Santa Clara Valley, California U.S. Geological Survey 2015-01-01 USGS
Urban Water Management Plan Santa Clara Valley Water District 2015-01-01 Santa Clara Valley Water District
2016 Goundwater Management Plan: Santa Clara and Llagas Subbasins Santa Clara Valley Water District 2016-01-01 Santa Clara Valley Water District
Revised Final Salt and Nutrient Management Plan Santa Clara Valley Water District 2016-01-01 Santa Clara Valley Water District
FY 2020-21 Protection and Augmentation of Water Supplies, 49th Annual Report Santa Clara Valley Water District 2020-02-01 Santa Clara Valley Water District
FY 2021-22 Protection and Augmentation of Water Supplies, 50th Annual Report Santa Clara Valley Water District 2021-02-01 Santa Clara Valley Water District
5-Year Capital Improvement Program, FY 2017-2021 Santa Clara Valley Water District 2021-12-15 Santa Clara Valley Water District
FY 2017-2021 Water Utility Enterprise Operations Plan Santa Clara Valley Water District 2021-12-15 Santa Clara Valley Water District
2040 Water Supply Master Plan Santa Clara Valley Water District 2019-01-01 Santa Clara Valley Water District
2020 Urban Water Management Plan Santa Clara Valley Water District 2020-01-01 Santa Clara Valley Water District
ALERT System Real-Time Data Santa Clara Valley Water District 2021-12-15 Santa Clara Valley Water District
Time-Dependent Land Uplift and Subsidence in the Santa Clara valley, California, from a Large Interferometric Synthetic Aperture Radar Data Set Journal of Geophysical Research 2003-01-01 Schmidt, D.A. and R. Bürgmann
Seismicity and the Major Strike-Slip Faults Bordering The Santa Clara Valley, California Geological Society of America, Cordilleran Section - 101st Annual Meeting 2005-01-01 Simpson, R.W., Jachens, R.C., Graymer, R.W., Ponce, D.A.
Total Maximum Daily Load Program: California’s 2006 Clean Water Act Section 303(d) List of Water Quality Limited Segments 2006-01-01 State Water Resources Control Board
Irrigated Lands Regulatory Program 2016-09-21 State Water Resources Control Board
Santa Clara Valley Water Conservation Project, Report to the Santa Clara Valley Water Conservation Committee Santa Clara Valley Water District 1970-01-01 Tibbets, F.H. and Kiefer S.E.
Revised Final Groundwater Vulnerability Study 2010-01-01 Todd Engineers and Kennedy/Jenks Consultants for Santa Clara Valley Water District
Final Salt and Nutrient Management Plan: Llagas Subbasin 2014-01-01 Todd Groundwater for Santa Clara Valley Water District
DRASTIC: A Standardized System for Evaluating Ground Water Pollution Potential Using Hydrogeologic Settings 1987-01-01 USEPA

Monitoring Network Module

SGMA Wells


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