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MOUNTAIN HOUSE SAN JOAQUIN COUNTY MITIGATION MONITORING PROGRAM Impact Mitigation Measure Monitoring Person/Agency Timing or Requirements Responsiblez Frequency of Monitoring' b)A survey shall be conducted along the banks of Old River to confirm the Review of survey SJCCDD SPs for areas presence or absence of the California hibiscus on the site,prior to approval of any and documentation along Old River specific plan which could affect Old River. The survey shall preferably be from USFWS and conducted by a qualified botanist during the blooming period of this species,in CDFG. August and September. If populations of this species are encountered,a habitat protection plan shall be prepared by a qualified plant ecologist in consultation with representatives of the USFWS and CDFG. The plan shall provide for the protection of identified populations,addressing potential impacts associated with boating,marina development,water diversion,storm drainage runoff,levee modifications,and recreational use of levee habitat. c) A survey shall be conducted to confirm the presence or absence of delta smelt, Review of survey SJCCDD SPs for areas winter-run chinook salmon,and Sacramento splittail along the river segment and documentation along Old River bordering the site,prior to approval of any specific plan which could affect Old from USFWS and River. The survey shall be conducted by a qualified fishery biologist using an otter CDFG. trawl at intervals along the river segment during the spring spawning season and during migration periods. If any of the species is detected,a habitat protection plan should be prepared by a qualified fisheries biologist in consultation with and which meets with the approval of representatives of the USFWS and CDFG. The plan shall provide for the protection and enhancement of existing habitat conditions, addressing potential impacts associated with boating,marina development,water diversion,storm drainage runoff,levee modifications,and recreational use of levee habitat. M4.11-5 a) The Mountain House Creek Planting and Restoration Measures contained in Review of Final SJCCDD SPs along Creek The project would block the movement of Appendix 7-A to the Master Plan,referred to in Implementations 1),n),dd),ee),and Creek Park Plan. Plan,parodic most terrestrial species between the eastern ff)for Objectives 3 and 4 of Parks and Recreation section(Appendix C),should be monitoring per base of the Altamont Hills and the Delta- expanded to include provisions for monitoring,replacement plantings,and re- Appendix 7-A farmland region to the east. evaluation of the restoration plan,similar to the provisions contained on pages 27- 33 of the"Mountain House Creek Phase One Habitat Restoration Plan"(Zentner& Zentner,1993c). M4.11.7 a) Unless detailed study demonstrates that the potential impacts of the proposed Review of specific SJCCDD SP for marina Construction and operation of the proposed marina on biotic resources could be mitigated to a less-than-significant level, plan Neighborhood 60-acre marina would impact the productive elimination of the proposed 60-acre marina shall be considered in favor of a boat K. inshore zone and riparian edge habitat of launch ramp and day use parking lot for the private use of the residents of the new Old River. community. b)Provisions should be induced to minimize disturbance to fish and wildlife habitat Review specific plan SJCCDD SP for manna of Old River,prevent water quality degradation,and conduct further detailed land use map for surveys for special-status taxa as recommended in Mitigation Measures 4.11-0a, Marina b),and c). (Neighborhood K.) c)To minimize On-site inspection. SJCCDD O disturbance to wildlife and riparian habitat along Old River,signs shall be posted alongthe length of the site fronting Old River,limiting boat speeds to 5 mph to revent disturbance to wildlife and riparian habitat. PAGE 6