Laserfiche WebLink
Site Name Monitoring Frequency <br />SComputer No.) Drainage Type of Flow Measurement and Remarks <br />NPDES 004 <br />(DA0004) <br />NPDES 005 <br />(DA0005) <br />NPDES 006 <br />(DA0006) Ditch <br />Tributary to Type of flow measurement not determined; no discharge 2 2 <br />Tuttle Draw observed since 1980 <br />Tributary to Type of flow measurement not determined; no discharge 2 2 <br />Tuttle Draw observed since 1980 <br />Mid West Return Bucket and stopwatch <br />TABLE 2 (Cont.) <br />Summary of Surface Water Monitoring Sites <br />for the Nucla Mine <br />Spoil Spring #1 Tributary to West Bucket and stopwatch, portable cutthroat flume or visual <br />(BA0001) Return Ditch estimate of the most consistently flowing portion of the <br />spring /seep <br />quality will be measured semiannually in April and September at NPDES 001 (SW-N5). <br />Cessation <br />Flow Quality_ <br />2 2 <br />Semiannual Semiannual <br />Spoil Spring #2 50 Yards West of Bucket and stopwatch, portable cutthroat flume or visual Semiannual Semiannual <br />(BA0002) Spoil Spring #1 estimate of the most consistently flowing portion of the <br />spring /seep <br />* <br />Marsh McBirney flow meter used when possible on all velocity measurements. <br />1 Field parameters (pH, temperature, conductivity, flow), and full suite water quality will be measured semiannually in April and <br />September. <br />2 Monitoring conducted in compliance and in accordance with Colorado NPDES Permit No. CO- 0000213. In addition, full suite water <br />