Lake Pleasant and New Waddell Dam

In December 2008, Archaeological Consulting Services, Ltd. (ACS) re-visited 16 sites in Lake Regional Park to assess their condition. ACS archaeologists documented the sites and evaluated their current state of preservation. This project contains photo documentation of the assessment work. The site cards were updated, but no report was produced.

In December 2008, Archaeological Consulting Services, Ltd. (ACS) re-visited 16 sites in Lake Regional Park to assess their condition. ACS archaeologists documented the sites and evaluated their current state of preservation. The photo log for the project contains detailed information for the select project photos that were curated at the following tDAR URL: http://core.tdar.org/image/393014

In December 2008, Archaeological Consulting Services, Ltd. (ACS) re-visited 16 sites in Lake Regional Park to assess their condition. ACS archaeologists documented the sites and evaluated their current state of preservation. This record includes select photos from the assessment work.

In November of 1992, at the request of the Bureau of Reclamation (Reclamation), Archaeological Consulting Services, Ltd. (ACS) conducted an evaluation of a portion of AZ T:3:79(ASM). Subsurface testing was performed because proposed road modifications had the potential to impact the cultural resources present. Testing was limited to a 5 m right-of-way on either side of the existing road. The objectives were to define the nature and extent of any buried cultural material and make recommendations...

In November of 1992, at the request of the Bureau of Reclamation (Reclamation), Archaeological Consulting Services, Ltd. (ACS) conducted an evaluation of a portion of AZ T:3:79(ASM). Subsurface testing was performed because proposed road modifications had the potential to impact the cultural resources present. Testing was limited to a 5 m right-of-way on either side of the existing road. The objectives were to define the nature and extent of any buried cultural material and make recommendations...

In the mid-1990s, the Bureau of Reclamation (Reclamation) completed a survey of Lake Pleasant Regional Park. The survey was undertaken to identify all cultural resources within the Park, which was acquired by Reclamation as part of construction of New Waddell Dam. In the intervening years, the Park has seen continued and increasing recreational use. In the 11 years since it completed the survey of the Park, Reclamation has monitored activity at nine of the 183 sites in the Park with the...

In the mid-1990s, the Bureau of Reclamation (Reclamation) completed a survey of Lake Pleasant Regional Park. The survey was undertaken to identify all cultural resources within the Park, which was acquired by Reclamation as part of construction of New Waddell Dam. In the intervening years, the Park has seen continued and increasing recreational use. In the 11 years since it completed the survey of the Park, Reclamation has monitored activity at nine of the 183 sites in the Park with the...

In the mid-1990s, the Bureau of Reclamation (Reclamation) completed a survey of Lake Pleasant Regional Park. The survey was undertaken to identify all cultural resources within the Park, which was acquired by Reclamation as part of construction of New Waddell Dam. In the intervening years, the Park has seen continued and increasing recreational use. In the 11 years since it completed the survey of the Park, Reclamation has monitored activity at nine of the 183 sites in the Park with the...

In the mid-1990s, the Bureau of Reclamation (Reclamation) completed a survey of Lake Pleasant Regional Park. The survey was undertaken to identify all cultural resources within the Park, which was acquired by Reclamation as part of construction of New Waddell Dam. In the intervening years, the Park has seen continued and increasing recreational use. In the 11 years since it completed the survey of the Park, Reclamation has monitored activity at nine of the 183 sites in the Park with the...

In October 2007, Archaeological Consulting Services, Ltd. (ACS) re-visited 39 known archaeological sites in the Agua Fria Conservation area within Lake Pleasant Regional Park to conduct condition assessments. ACS archaeologists documented the sites and evaluated their current state of preservation. This tDAR project contains photo documentation of the assessment work.

In October 2007, Archaeological Consulting Services, Ltd. (ACS) re-visited 39 archaeological sites in the Agua Fria Conservation Area within Lake Pleasant Regional Park to conduct a condition assessment of these sites. The photo log for the project contains detailed information for the select project photos that were curated at the following tDAR URL: https://core.tdar.org/image/393011.

In 2007, Archaeological Consulting Services, Inc. (ACS) re-visited 39 known archaeological sites in the Agua Fria Conservation Area in Lake Pleasant Regional Park. ACS archaeologists documented and assessed the condition of the sites. This record includes select photos from the assessment work.

Maricopa Parks and Recreation Department (MCPRD) contracted SWCA Environmental Consultants (SWCA) to conduct a cultural resources inventory of the area of potential effects (APE) for the project area within Lake Pleasant Park, managed by the MCPRD on behalf of the Bureau of Reclamation (BOR). The project is located near Peoria, Maricopa and Yavapai Counties, Arizona and consists of a combined 0.2 acres. A Class III Survey was conducted on April 7th, 2023, and no archaeological sites or resources...

Maricopa Parks and Recreation Department (MCPRD) contracted SWCA Environmental Consultants (SWCA) to conduct a cultural resources inventory of the area of potential effects (APE) for the project area within Lake Pleasant Park, managed by the MCPRD on behalf of the Bureau of Reclamation (BOR). The project is located near Peoria, Maricopa and Yavapai Counties, Arizona and consists of a combined 0.2 acres. A Class III Survey was conducted on April 7th, 2023, and no archaeological sites or resources...

The U.S. Bureau of Reclamation (Reclamation) reported a violation of the Archaeological Resources Protection Act (ARPA) in April 2003 when a petroglyph boulder was removed from Reclamation land. The boulder was located on a terrace edge overlooking the Agua Fria River north of Lake Pleasant, within archaeological site AZ T:4:157(ASM). A criminal investigation followed. The petroglyph boulder was recovered in September 2003. Subsequent to the investigation, Mr. Jon Czaplicki, Reclamation...

The U.S. Bureau of Reclamation (Reclamation) reported a violation of the Archaeological Resources Protection Act (ARPA) in April 2003 when a petroglyph boulder was removed from Reclamation land. The boulder was located on a terrace edge overlooking the Agua Fria River north of Lake Pleasant, within archaeological site AZ T:4:157(ASM). A criminal investigation followed. The petroglyph boulder was recovered in September 2003. Subsequent to the investigation, Mr. Jon Czaplicki, Reclamation...

The U.S. Bureau of Reclamation (Reclamation) reported a violation of the Archaeological Resources Protection Act (ARPA) in April 2003 when a petroglyph boulder was removed from Reclamation land. The boulder was located on a terrace edge overlooking the Agua Fria River north of Lake Pleasant, within archaeological site AZ T:4:157(ASM). A criminal investigation followed. The petroglyph boulder was recovered in September 2003. Subsequent to the investigation, Mr. Jon Czaplicki, Reclamation...

The U.S. Bureau of Reclamation (Reclamation) reported a violation of the Archaeological Resources Protection Act (ARPA) in April 2003 when a petroglyph boulder was removed from Reclamation land. The boulder was located on a terrace edge overlooking the Agua Fria River north of Lake Pleasant, within archaeological site AZ T:4:157(ASM). A criminal investigation followed. The petroglyph boulder was recovered in September 2003. Subsequent to the investigation, Mr. Jon Czaplicki, Reclamation...

The Bureau of Reclamation (Reclamation) identified the need for an in-depth study of ranching and homesteading in Lake Pleasant Regional Park (LPRP). At Reclamation’s request, Archaeological Consulting Services (ACS) undertook this current study, which builds upon previous research and investigations sponsored by Reclamation that indicated that the ranching history was an important historic context for the area. This project includes: (1) archival research into the history of ranching in the...

The Bureau of Reclamation (Reclamation) identified the need for an in-depth study of ranching and homesteading in Lake Pleasant Regional Park (LPRP). At Reclamation’s request, Archaeological Consulting Services (ACS) undertook this current study, which builds upon previous research and investigations sponsored by Reclamation that indicated that the ranching history was an important historic context for the area. This project includes: (1) archival research into the history of ranching in the...

The Bureau of Reclamation (Reclamation) identified the need for an in-depth study of ranching and homesteading in Lake Pleasant Regional Park (LPRP). At Reclamation’s request, Archaeological Consulting Services (ACS) undertook this current study, which builds upon previous research and investigations sponsored by Reclamation that indicated that the ranching history was an important historic context for the area. This project includes: (1) archival research into the history of ranching in the...

The Bureau of Reclamation (Reclamation) identified the need for an in-depth study of ranching and homesteading in Lake Pleasant Regional Park (LPRP). At Reclamation’s request, Archaeological Consulting Services (ACS) undertook this current study, which builds upon previous research and investigations sponsored by Reclamation that indicated that the ranching history was an important historic context for the area. This project includes: (1) archival research into the history of ranching in the...

In the summers of 1979 and 1980, Arizona State University (ASU) conducted a cultural resources survey of Lake Pleasant Regional Park (LPRP) (Rice and Bostwick 1986). The completion of New Waddell Dam in 1993, increasing recreational development, and new park boundaries spurred the Bureau of Reclamation (Reclamation) to survey the park. Reclamation performed the new survey on their land to fulfill their Section 110 requirements of the National Historic Preservation Act. Upon completion of the...

In the summers of 1979 and 1980, Arizona State University (ASU) conducted a cultural resources survey of Lake Pleasant Regional Park (LPRP) (Rice and Bostwick 1986). The completion of New Waddell Dam in 1993, increasing recreational development, and new park boundaries spurred the Bureau of Reclamation (Reclamation) to survey the park. Reclamation performed the new survey on their land to fulfill their Section 110 requirements of the National Historic Preservation Act. Upon completion of the...

In August and September 2010, Archaeological Consulting Services, Ltd. (ACS) re-visited 52 sites in Lake Pleasant Regional Park. ACS archaeologists relocated the sites and site boundaries, and documented the sites' conditions. This project contains select photographic documentation of the relocation work.

In August and September 2010, Archaeological Consulting Services (ACS) re-visited 52 sites in Lake Pleasant Regional Park to relocate them and to assess their conditions. The photo log for the project contains detailed information for the select project photos. You can find the photos here: https://core.tdar.org/image/393022.

In August and September 2010, Archaeological Consulting Services, Ltd. (ACS) re-visited 52 sites in Lake Pleasant Regional Park to relocate the sites and assess their conditions. This record contains select photos that document the relocation work.

In January 2012, Archaeological Consulting Services, Ltd. (ACS) re-visited 8 sites in Lake Pleasant Regional Park. ACS archaeologists relocated the sites and site boundaries, and assessed the sites' current conditions. This project contains a select photographic record of the relocation work.

In January 2012, Archaeological Consulting Services, Ltd. (ACS) re-visited 8 archaeological sites in Lake Pleasant Regional Park to relocate the sites and to assess their conditions. The photo log for the project contains detailed information for the select project photos. The photos can be found here: https://core.tdar.org/image/393026.

In January 2012, Archaeological Consulting Services, Ltd. (ACS) re-visited 8 sites in Lake Pleasant Regional Park to relocate the sites and to assess their conditions. This record contains select photos that document the relocation work.

In November and December 2009, Archaeological Consulting Services, Ltd. (ACS) re-visited 41 sites in Lake Pleasant Regional Park. ACS archaeologists documented the sites and assessed their current state of preservation. This project contains photo documentation of the assessment work.

In November and December 2009, Archaeological Consulting Services, Ltd. (ACS) re-visited 41 sites in Lake Pleasant Regional Park to evaluate the sites' conditions. The photo log for the project contains detailed information for the select project photos. The photos can be found at: https://core.tdar.org/image/393019.

In November and December 2009, Archaeological Consulting Services, Inc. (ACS) re-visited 41 known archaeological sites in Lake Pleasant Regional Park. ACS archaeologists documented and assessed the condition of the sites. This record includes select photos from the assessment work.

In the early 2000's, Lake Pleasant Regional Park (LPRP or the Park) was in an undeveloped portion of Maricopa County, Arizona. Population growth in the greater Phoenix metropolitan area over the past 30 years, however, resulted in the expansion of new housing developments along the edges of the city. It was increasingly clear that the park was becoming part of an urban landsape, and that the park's resources were experiencing increased impacts. In 2004, Archaeological Consulting Services,...

In 2004, Archaeological Consulting Services, Ltd. (ACS) produced the Cultural Resources Management Plan for Lake Pleasant Regional Park to provide management recommendations to Maricopa County, AZ and the Bureau of Reclamation. The project synthesized information about the cultural resources in the park, and set forth policies and procedures to protect and manage them efficiently. The following images are selected photos taken during the course of the project. Please see image photo log...

Lake Pleasant Regional Park (LPRP or the Park) was in an undeveloped portion of Maricopa County, Arizona. However, population growth exploded in the Phoenix area in the past 30 years and new housing developments expanded and are still expanding ever northward. It is just a matter of time before the Park becomes part of the Valley of the Sun's crowded urban landscape. With an expansion in population will come an increase in land use demands and resource impacts. The purpose of the Cultural...

In 2004, Archaeological Consulting Services, Ltd. (ACS) produced the Cultural Resources Management Plan for Lake Pleasant Regional Park to provide management recommendations to Maricopa County, AZ and the Bureau of Reclamation. The project synthesized information about the cultural resources in the park, and set forth policies and procedures to protect and manage them efficiently. This document is the photo log for a series of photos during the course of this project. Please see the selected...

During the summer of 1988, archaeologists from Archaeological Consulting Services of Tempe, Arizona, conducted an archaeological survey of 220 acres in the vicinity of Lake Pleasant Regional Park located northwest of Phoenix. This survey was conducted in order to provide inventory and assessment of the cultural resources that might be affected by the proposed exchange of this parcel to the Maricopa County Water Conservation District by the Bureau of Reclamation. This survey resulted in the...

During the summer of 1988, archaeologists from Archaeological Consulting Services of Tempe, Arizona, conducted an archaeological survey of seven miles of 250-foot wide road right-of-way in Lake Pleasant Regional Park located northwest of Phoenix. This survey was conducted in order to provide inventory and assessment of the cultural resources that might be affected by the construction of additional internal roads within the park boundary. This survey resulted in the identification of nine...

Historic American Engineering Record (HAER) No. AZ-11 presents a written historical summary and relevant historical documentation about the construction and use of Waddell Dam, which was the only water storage dam successfully built by private interests in central Arizona. Sponsored by the Phoenix Area Office of the Bureau of Reclamation, this HAER documentation was undertaken as mitigation for the construction of New Waddell Dam as part of the Central Arizona Project, and the submersion of the...

In compliance with Section 110 of the National Historic Preservation Act (54 U.S.C. 306102), the Bureau of Reclamation, Phoenix Area Office (Reclamation) contracted with Tierra Right of Way Services to relocate, re-evaluate, and re-record previously identified cultural resources situated on Reclamation-managed lands near Lake Pleasant, in Maricopa and Yavapai Counties, Arizona. Between November 2, 2020 and March 18, 2022, Tierra Right of Way archaeologists conducted several field sessions to...

This poster presents the results of several projects completed around New Waddell Dam and Lake Pleasant Regional Park.

Under the sponsorship of the Bureau of Reclamation, the New Waddell Dam Borrow Areas Mitigative Data Recovery Project, more simply known as the Waddell Project, performed data recovery at 17 sites in the vicinity of Lake Pleasant, Arizona. Supplemental surveys conducted under the same contract added two sites to the inventory slated for investigation. The project area, composed of multiple survey areas, was spread across two drainages, the Agua Fria and New River, in what is considered the...

At the request of the Bureau of Reclamation–Phoenix Area Office (PXAO), ACS conducted Phase 1 cultural resource assessments and investigations at AZ T:4:150(ASM), a multicomponent rockshelter site in Lake Pleasant Regional Park, in 2008. The site was being impacted by increased visitation and Reclamation is seeking to mitigate those impacts. ACS archaeologists completed surface collection, mapping, and soil coring at the site. These investigations confirmed that the site held the potential to...

At the request of the Bureau of Reclamation–Phoenix Area Office, ACS conducted surface collection, mapping, and soil coring at AZ T:4:150(ASM), a multicomponent rockshelter site in Lake Pleasant Regional Park. The site is being impacted by increased visitation and Reclamation is seeking to mitigate those impacts. The investigations identified four features; these included a thermal pit (Feature 1), a rock ring (Feature 2), the rockshelter (Feature 3), and a previously unrecorded rockpile...

At the request of the Bureau of Reclamation–Phoenix Area Office (PXAO), ACS conducted Phase 1 cultural resource assessments and investigations at AZ T:4:150(ASM), a multicomponent rockshelter site in Lake Pleasant Regional Park, in 2008. The site was being impacted by increased visitation and Reclamation is seeking to mitigate those impacts. ACS archaeologists completed surface collection, mapping, and soil coring at the site. These investigations confirmed that the site held the potential to...

At the request of the Bureau of Reclamation–Phoenix Area Office (PXAO), ACS conducted Phase 1 cultural resource assessments and investigations at AZ T:4:150(ASM), a multicomponent rockshelter site in Lake Pleasant Regional Park, in 2008. The site was being impacted by increased visitation and Reclamation is seeking to mitigate those impacts. ACS archaeologists completed surface collection, mapping, and soil coring at the site. These investigations confirmed that the site held the potential to...

At the request of the Bureau of Reclamation–Phoenix Area Office (PXAO), ACS conducted Phase 1 cultural resource assessments and investigations at AZ T:4:150(ASM), a multicomponent rockshelter site in Lake Pleasant Regional Park, in 2008. The site was being impacted by increased visitation and Reclamation is seeking to mitigate those impacts. ACS archaeologists completed surface collection, mapping, and soil coring at the site. These investigations confirmed that the site held the potential to...

At the request of the Bureau of Reclamation–Phoenix Area Office (PXAO), ACS conducted Phase 1 cultural resource assessments and investigations at AZ T:4:150(ASM), a multicomponent rockshelter site in Lake Pleasant Regional Park, in 2008. The site was being impacted by increased visitation and Reclamation is seeking to mitigate those impacts. ACS archaeologists completed surface collection, mapping, and soil coring at the site. These investigations confirmed that the site held the potential to...

In 2008, at the request of the Bureau of Reclamation–Phoenix Area Office (PXAO), Archaeological Consulting Services, Ltd. (ACS) conducted Phase 1 cultural resource assessments and investigations at AZ T:4:150(ASM), a multicomponent rockshelter site in Lake Pleasant Regional Park. These investigations confirmed that the site held the potential to yield important information about the Prehistoric, Protohistoric, and Historic period occupations of the Lake Pleasant area. Please see...

At the request of the Bureau of Reclamation–Phoenix Area Office, ACS conducted Phase 2 data recovery at the Lake Pleasant Rockshelter site (AZ T:4:150[ASM]), Yavapai County, Arizona. Based on the results of Phase 1 investigations conducted at the site (Pinter et al. 2009), Reclamation determined that potentially significant subsurface cultural deposits were present that could provide important new data on prehistoric, protohistoric, and historic Native American and Euroamerican occupation of the...

ACS conducted Phase 2 data recovery at the Lake Pleasant Rockshelter site (AZ T:4:150[ASM]) in 2010 at the request of the Bureau of Reclamation, Phoenix Area Office. The proposed work plan for Phase 2 (Pinter et al. 2009) was accepted by Reclamation, and was implemented in two sessions due to inclement weather and rising lake levels. The first session occurred in January 2010, followed by a hiatus to allow the lake level to drop and the weather to cool; the second and final session occurred in...

ACS conducted Phase 2 data recovery at the Lake Pleasant Rockshelter site (AZ T:4:150[ASM]) in 2010 at the request of the Bureau of Reclamation, Phoenix Area Office. The proposed work plan for Phase 2 (Pinter et al. 2009) was accepted by Reclamation, and was implemented in two sessions due to inclement weather and rising lake levels. The first session occurred in January 2010, followed by a hiatus to allow the lake level to drop and the weather to cool; the second and final session occurred in...