Preliminary Draft of Watershed Work Plan for Watershed Protection and Flood Prevention Seco Creek Watershed Medina, Bandera and Uvalde Counties, Texas
|Author||Medina Valley Soil and Water Conservation District, Nueces-Frio-Sabinal Soil and Water Conservation District, Medina County Commissioners Court, Bandera County Commissioners Court, Uvalde County Commissioners Court and Edwards Underground Water District|
|Description||Preliminary assessment for methods and costs of flood prevention in the Seco Creek Watershed Note: This report is included for its historical value and may have been replaced by more recent studies.|
|Publisher||Medina Valley Soil and Water Conservation District, Nueces-Frio-Sabinal Soil and Water Conservation District, Medina County Commissioners Court, Bandera County Commissioners Court, Uvalde County Commissioners Court and Edwards Underground Water District|
|Location||Seco Creek Watershed, Medina County, Bandera County, Uvalde County|
…Seco Creek watershed comprises an area of 268 square miles in Bandera, Medina, and Uvalde Counties. It is estimated that 86.0 percent of the watershed is rangeland, 7.3 percent is cropland, 2.2 percent is pasture and bayland, 2.7 percent is wildlife-recreation land, and 1.8 percent is in miscellaneous uses such as the town of D’Hanis, public roads, railroads, farm and ranch headquarters, and stream channels. There is no Federal land in the watershed.
The principal problem within the watershed is one of frequent and extensive flooding on portions of the 17,098 acres of flood plain which results in damages to crops, grasses, soils, agricultural properties, residential and commercial properties, roads, bridges, and railroad properties. The total floodwater, sediment, erosion, and indirect damages are estimated to average $222,688 annually.
The work plan proposes installing, in a ten-year period, needed land treatment measures and nine floodwater retarding structures. Land treatment measures included are those which contribute directly to watershed protection and reduction of floodwater damages….
Land treatment measures will be operated and maintained by owners and operators of the land upon which the measures will be applied under agreement with the Medina Valley Soil and Water Conservation District and the Nueces-Frio-Sabinal Soil and Water Conservation District. The Commissioners Court will be responsible for operation and maintenance of the floodwater retarding structures. The cost of operation and maintenance for floodwater retarding structures is estimated to be $2,300 annually.
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