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<br />Floodplains <br />There are no mapped floodplains in the proposed project area. Goodman Canyon and <br />minor tributaries to the canyon have carried floodwaters during the summer monsoon <br />season. Existing drainages in the county right of way have been designed to accommodate <br />100-year floods. <br /> <br />Monsoonal flows that may occur during constmction may transport sediments from the <br />proposed project area into downstream floodplains. Open trenches for pipeline installation <br />may also carry flood waters if not properly mitigated. Stmcturalmitigation includes the <br />use of silt fences and water bars to slow mnoff and redirect flow to reduce erosion in the <br />proposed proj ect area. <br /> <br />Wetlands <br />There are no wetlands within the proposed project area. Most wetlands in the agricultural <br />areas of Montezuma County are due to irrigation of fields and the ditches and canals that <br />support the irrigation. There is no irrigation water in the proposed project area, so there <br />are no wetlands that are supported by irrigation. <br /> <br />Wetlands downstream of the proj ect area may be impacted by sediment transport from <br />the proposed project area during constmction. To mitigate this impact, structural <br />measures will be utilized to reduce mnoff and erosion. These measures include the use of <br />silt fences and water bars. Standard industry Best Management Practices (BMPs) will be <br />applied as a mitigation practice. Constmction may also be halted during heavy rains <br />where mnoff could impact downstream wetlands. <br /> <br />Cultural Resources <br />The Goodman Point area is rich with cultural resources. It is surrounded by such formally <br />classified lands as the Hovenweep National Monument and the Canyons of the Ancients <br />National Monument, both of which are renowned for their cultural resources. A number of <br />archaeological sites are know to be either within, or adjacent to, the proposed waterline <br />route. For this reason a Class III survey was conducted in the proposed project area by <br />Woods Canyon Archaeological Consultants. The document, Cultural Resource Inventory <br />of Goodman Point Water Association's Domestic Water Delivery Proiect, details the <br />cultural resources that are in the area and proposed mitigation measures. <br /> <br />The cultural resources inventory found that the proposed waterline alignment has been <br />designed to avoid significant cultural resource sites; however there are 10 sites that are <br />located within the proposed proj ect area. It is recommended that three of the 10 sites be <br />monitored during constmction and that the final alignment be reviewed by Woods <br />Canyon prior to constmction to ensure that the constmction has no effect on significant <br />cultural resource sites. <br /> <br />Biological Resources <br />The proposed project area supports a variety of native and non-native plants and animals. <br />There are also several species of wildlife, fish, and vegetation that are designated as <br /> <br />Goodman Point Water Association - Preliminaty Engineering RepOli <br /> <br />3 <br />