Water Projects

Beaver Dam Erosion Control Improvements

Designed erosion control improvements along the segment of Beaver Dam Wash located between the US 91 Bridge and the Beaver Dam Wash / Virgin River confluence. The project was grant funded from the Governor’s Emergency Fund and was awarded to 1) repair erosion damage caused by a large storm event during December 2010, and 2) construct erosion control infrastructure to protect existing homes in that area from future flood events.

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Chandler Heights Flood Control Improvements

Chandler Heights Flood Control Improvements were designed and built to protect seventeen (17) one acre parcels and other downstream urban development against stormwater runoff emanating from the San Tan Mountains.The project site is located just south of the parcels which are south of Hunt Highway and west of Power Road.

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Gila River Indian Community Land Use Action Review Drainage Assessments

The Community Housing Initiative consists of each district preparing for future housing developments in areas that had unknown drainage hazards. To protect future residential structures from the threat of flooding, drainage assessments were prepared to identify existing drainage conditions along with proposed local improvements and estimated construction costs to mitigate adverse drainage impacts.

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Komatke Area Drainage Master Study

FLO-2D modeling of the Komatke Community, located in District 6 of the Gila River Indian Community, was conducted to help identify and mitigate flooding within the study area. The study area is approximately 23.4 square miles and was modeled with a FLO-2D grid comprised of square elements measuring 20’x20’, for a total of approximately 1.7 million grid elements.

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Oatman Highway at Sacramento Wash Crossing

Mohave County is the owner/administrator of the 100 foot public right-of-way section of Oatman Highway that intersects with Sacramento Wash near Topock, Arizona. The public right-of-way at this location consists of a low water crossing to accommodate stream flows from the Sacramento Wash, which drains a watershed area consisting of approximately 1,330 square miles before outfalling into the Colorado River.

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Sacaton Area Drainage Master Study

The Sacaton Area Drainage Master Study (ADMS) was completed to provide the Gila River Indian Community (Community) a detailed depiction of the existing drainage/flooding conditions within the study area. Study results were used to develop, assess and select viable flood hazard mitigation alternatives at the regional, semi-regional, and local levels and to recommenced local drainage improvements to existing facilities.

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Upper East Fork Cave Creek Area Drainage Master Study

The UEFCC ADMSU is being completed to identify existing flood/drainage problems and feasible mitigation options using a regional FLO-2D model that accurately represents existing conditions and can simulate alternative scenarios that may include various mitigation strategies such as Low Impact Development/Green Infrastructure practices.

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