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41 I I I I I I I I I I I I I I I I I I I 0570 irrigated cropland. The use of PAM will also achieve this effect. This will reduce sediment on the lower portions of the fields and into the Arkansas River. No cost sharing is available through PL-566 for conservation tillage or crop residue use. Irrigation water utilization will be improved by changing water irrigation methods and procedures. This is a non-cost share practice through PL-566. Wetland mitigation practices anticipated will include approximately 10 multi-purpose ponds and 20 Acres of wetland developmen~. Improved Surface Systems - about 26,700 acres will have present surface irrigation systems improved. An estimated 1/2 of the acres will be converted to surge irrigation. Improvements include land leveling, plastic pipe, ditch lining gated pipe, and related practices. Land leveling will improve irrigation water application and reduce deep percolation. Plastic pipe will be installed to deliver water to surge valves, and also to gated pipe in fields proposed for shorter lengths of run. Total estimated cost of improved surface irrigating systems is $1,834,300 for federal share and the same for the local share. Mitiqation Where wetlands are impacted by installation of conservation measures, mitigation will be carried out in accordance with Natural Resource Conservation Service Policy. This policy states that where mitigation is needed, it will replace wetlands on a value for value basis. Any needed mitigation will be required to be included in participants contracts. Other mitigation arrangements will be considered as options become available. Permits and Compliance It is the contractees' responsibility to obtain any federal permits or formal land rights that will be needed to install the project (40 CFR 1502.25). In the event that land rights or permits become necessary, the responsibility to acquire these items will occur before construction. Costs The total cost of the project which includes both federal and local money is $5,326,000. Table 1 itemizes the costs by measure. Those measures showing no cost will not be cost-shared under this project. Table 1 displays how the costs of each measure are shared between federal and local dollars. The federal cost-share rate is 50 percent for enduring irrigation practices. The federal Cost-share rate for other enduring practices is based on the rate presently used by other federal programs for similar practices. Polyacrylamide application, an innovative approach to reducing irrigation erosion in the watershed has been approved for cost