2013-138 DEAPR - Lenat Consulting Services

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Orange County Biological Monitoring Program Scope of Work Objective: Provide benthic macro i nve rtebrate data to the North Carolina Division of Water Quality for utilization in the use assessment process. Streams to be sampled (all recently or currently listed as impaired): • Ferrells Creek (also known as Terrells Creek) • Collins Creek • Upper Eno River Details: Stream AU DWQ Intersecting Road DWQ Benthics Number Station ID Collection Methods Ferrells Creek 16-32 BB-488 Crawford Dairy Road 1 Full Scale' / 1 EPT (in Chatham County) Collins Creek 16-30-(1.5) BB-310 Crawford Dairy Road 3 EPT' / 1 Full Scale (in Chatham County) Upper Eno 27-2-(1) J13-4 Halls Mill Road 5 EPT' / 1 Full Scale River 1 Indicates most recent DWQ collection method. Note: Upper Morgan Creek at Highway 54 is already being sampled by Lenat Consulting Services as a reference site for Chapel Hill and Carrboro biological monitoring programs. As a result, this location does not need to be included in the Orange County monitoring program at this time. Field work and report preparation to be done by North Carolina Division of Water Quality (NCDWQ) certified biological laboratory in accordance with procedures established by NCDWQ. Sampling protocol (full scale, EPT, Qual 4, etc.) appropriate for each of the monitoring locations listed above, will be completed in accordance with NCDWQ methods and procedures such that results of biological monitoring program can be utilized by NCDWQ in their use assessment process. Field work should be done during spring months, preferably at the time of the Chapel Hill and Carrboro benthics sampling. Report of field work and analytical results must be suitable for submittal to NCDWQ for utilization in use assessment evaluation. It is the intent of this monitoring program to provide data to NCDWQ to supplement the information used in use assessment.