Ground-water and surface-water relations along the Mojave River, southern California

Lines, Gregory C.

doi:10.3133/wri954189

“…Recharge is primarily from intermittent flows in the Mojave River that occur, on average, once every 5 to 7 years (Lines, 1996;Stamos and others, 2001;Seymour, 2016). Under predevelopment conditions, groundwater flowed from the Mojave River north toward Hinkley Gap and into Water Valley, where groundwater discharged by evaporation along the margins of Harper (dry) Lake (fig.…”

Section: D11 Site Descriptionmentioning

confidence: 99%

Analyses of regulatory water-quality data

Izbicki¹,

Seymour²

2023

Professional Paper

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This study was developed by the U.S. Geological Survey (USGS) with input from a technical working group (TWG) composed of community members, the Lahontan Regional Water Quality Control Board (RWQCB), the Independent Review Panel Manager (Project Navigator, Ltd.), Pacific Gas and Electric Company (PG&E), and consultants for PG&E. The study was funded cooperatively under an agreement between the Lahontan RWQCB and the USGS. Funding for the study was provided by PG&E to the Lahontan RWQCB. Logistical support for field work, including access to wells, was provided by PG&E. The TWG met approximately quarterly during the study to provide input to the study, and the Hinkley community was updated annually on study progress.The authors thank the many people involved in the design and implementation of this study including the staff of the Lahontan RWQCB, the staff of PG&E and their consultants, and the staff of Project Navigator, Ltd. The authors also acknowledge and thank the many involved community members who allowed access to their properties for sample collection, and who collectively donated thousands of hours on behalf of the local community in support of this project and for resolution of other issues related to anthropogenic hexavalent chromium, Cr(VI), within the Hinkley area.

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“…Recharge is primarily from intermittent flows in the Mojave River that occur on average once every 5 to 7 years (Lines, 1996;Stamos and others, 2001;Seymour, 2016). During predevelopment conditions, groundwater flow was from the Mojave River northward toward Hinkley Gap into Water Valley where groundwater discharged by evaporation along the margins of Harper (dry) Lake (chapter H, fig.…”

Section: G11 Site Descriptionmentioning

confidence: 99%

Evaluation of natural and anthropogenic (human-made) hexavalent chromium

Izbicki¹,

Warden²,

Groover³

et al. 2023

Professional Paper

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This study was developed by the U.S. Geological Survey (USGS) with input from a technical working group (TWG) composed of community members, the Lahontan Regional Water Quality Control Board (RWQCB), the Independent Review Panel Manager (Project Navigator, Ltd.), Pacific Gas and Electric Company (PG&E), and consultants for PG&E. The study was funded cooperatively under an agreement between the Lahontan RWQCB and the USGS. Funding for the study was provided by PG&E to the Lahontan RWQCB. Logistical support for field work, including access to wells, was provided by PG&E. The TWG met approximately quarterly during the study to provide input to the study, and the Hinkley community was updated annually on study progress.The authors thank the many people involved in the design and implementation of this study including the staff of the Lahontan RWQCB, the staff of PG&E and their consultants, and the staff of Project Navigator, Ltd. The authors also acknowledge and thank the many involved community members who allowed access to their properties for sample collection, and who collectively donated thousands of hours on behalf of the local community in support of this project and for resolution of other issues related to anthropogenic hexavalent chromium, Cr(VI), within the Hinkley area.

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“…A.3). These large flows result from a combination of precipitation near the pass, rain-on-snow at higher altitudes within the mountains, and snowmelt (Lines, 1996;Stamos and others, 2001;Seymour, 2016) and can extend the entire length of the river from the mountain front to Afton Canyon and Silver (dry) Lake. With the exception of occasional large flows, the Mojave River is dry along most of its length, except where groundwater discharge maintains perennial streamflow.…”

Section: A21 Regional Hydrogeologic Settingmentioning

confidence: 99%

“…With the exception of occasional large flows, the Mojave River is dry along most of its length, except where groundwater discharge maintains perennial streamflow. Flow in perennial reaches along the Mojave River, such as the Upper and Lower Narrows near Victorville and near Afton Canyon, has decreased in recent years, while flow along other formerly perennial reaches has ceased entirely, and wetland areas along the river have dried as a result of declining groundwater levels resulting from groundwater pumping (Lines, 1996;Stamos and others, 2001).…”

Section: A21 Regional Hydrogeologic Settingmentioning

confidence: 99%

“…The floodplain aquifer is commonly less than 0.5 to 1 mi wide and typically less than 200 ft thick (Stamos and others, 2001). The occasional large flows in the Mojave River account for almost all the groundwater recharge to the floodplain aquifer (Lines, 1996;Stamos and others, 2001;Izbicki, 2004;Izbicki and Michel, 2004;Seymour, 2016), with most groundwater in the floodplain aquifer recharged after the onset of atmospheric nuclear weapons testing beginning in 1952 (Izbicki and Michel, 2004).…”

Section: A21 Regional Hydrogeologic Settingmentioning

confidence: 99%

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Introduction to study area hydrogeology, chromium sources, site history, and purpose of study

Izbicki¹,

Groover²,

Miller³

et al. 2023

Professional Paper

0

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This study was developed by the U.S. Geological Survey (USGS) with input from a technical working group (TWG) composed of community members, the Lahontan Regional Water Quality Control Board (RWQCB), the Independent Review Panel Manager (Project Navigator, Ltd.), Pacific Gas and Electric Company (PG&E), and consultants for PG&E. The study was funded cooperatively under an agreement between the Lahontan RWQCB and the USGS. Funding for the study was provided by PG&E to the Lahontan RWQCB. Logistical support for field work, including access to wells, was provided by PG&E. The TWG met approximately quarterly during the study to provide input to the study, and the Hinkley community was updated annually on study progress.The authors thank the many people involved in the design and implementation of this study including the staff of the Lahontan RWQCB, the staff of PG&E and their consultants, and the staff of Project Navigator, Ltd. The authors also acknowledge and thank the many involved community members who allowed access to their properties for sample collection, and who collectively donated thousands of hours on behalf of the local community in support of this project and for resolution of other issues related to anthropogenic hexavalent chromium, Cr(VI), within the Hinkley area.

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Ground-water and surface-water relations along the Mojave River, southern California

Cited by 13 publications

References 6 publications

Analyses of regulatory water-quality data

Analyses of regulatory water-quality data

Evaluation of natural and anthropogenic (human-made) hexavalent chromium

Introduction to study area hydrogeology, chromium sources, site history, and purpose of study

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