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• <br />raeLE z <br />Summary of Surface Nater Monitoring Sites <br />for the Nucla Hine <br /> Cessation <br />Sitr- Name Nonitoring Frequency <br />(Lomputcr_NO. j___D rainage_______~ __?yee_of Flow Neasuremen[ and Remarks Flou <br />___-_- Duality <br />_____- <br /> ~ 1 <br />SW-N1 Upper Tu[tle Draw Flow = cross section x velocity Semiannual Semiannuai <br />(SA 01)(11 ) <br /> 1 1 <br />SW-N3 Lower Tu[[le Draw Flow = cross section x velocity Semiannual Semiannual <br />(SA0003) <br /> <br />S W-NS Mid-Lower West Same site es NPDES 007(DA0001) 2 2 <br />(SA0005) Return Ditch <br /> 1 1 <br />SW-N7 Upper West Return Flow height measured in CMP; flow determined using Nannin9~s Semiannual Semiannual <br />(SA0007) Ditch equation (low flow measured with bucket and stop watch) <br />NPDES 001 Mid-Lower West Continuous recorder with sharp-crested 90° V-notch weir 2 2 <br />(DA0001) Return Ditch <br />NPDES 002 Tributary to Type of flow measurement not determined; no discharge 2 2 <br />(DA0002) Tuttle Draw observed since 7980 <br />NPDES 003 Tributary to Type of flow measurement no[ determined; no discharge 2 2 <br />(DA0003) Tuttle Draw observed since 1980 <br />