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3/21/80 5050.4 the proposed action. This information may be obtained from the Fish and Wildlife Service or state or local natural' resource agencies. 2 Evaluations of other categories of impacts as described under paragraph 47e are to be used to determine whether impacts on wetlands appear to be significant. Consideration shall be given to impacts on water quality, including effects on water supply and recharge capability, interfer- ence with surface and subsurface water courses, siltation and sedimentation, biotic community disruption, flood and storm hazards, development of secondary (induced) activities or services, and construction. The wetlands discussion in the environmental assessment may simply summarize and reference applicable discussions under other impact categories. Incorporate in an evaluation of impact on wetlands all practicable measures to minimize harm which will be implemented. These may include, but are not limited to: a Modification of the design, construction, or operation of the facility, including collection of pavement surface runoff to prevent direct discharge into sensitive areas. b Waste treatment. c Development of compatible land uses. d Special construction controls. 3 Early review of proposed actions shall be provided for agencies with special interest in wetlands. Such agencies include state and local natural resource and wildlife agencies, the Fish and Wildlife Service, the National Marine Fisheries Service, the Corps of Engineers, and EPA. This review may be combined as much as possible with the A-95 review. Those agencies which have permitting actions described below shall be asked to advise if they foresee any difficulty issuing such permits based on the initial assessment that the proposal has no practicable alternative which would avoid the wetland and that all possible mitigation measures have been taken. Such advice should include recommendations regarding additional measures which could be taken to enable their subsequent favorable action on such permits. Letters from these agencies shall be incorporated into the environmental assessment and their opinions used to determine significance of impacts and to pinpoint potential problems in proceeding toward approval of the environmental document. 4 Specific consultation is required under the Fish and Wildlife Coordination Act with the U.S. Fish and Wildlife Service and the state agency having administration over the wildlife resources. For this analysis, documentation, and significance threshold, refer to paragraph 47e(9)(c) above. 5 The environmental assessment shall identify any permits that are required. Thermit requirements for proposals affecting wetlands may include those identified below, which are further explained in para- graph 47e(6)(b). Chap 5 Par 47 Page 47