REP50958

• Permit No: C1981008
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1990 ANNUAL HYDROLOGY REPORT NUCLA MINE
• Annual Report Year: 1990
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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TABLE 2
Summery of Surface Water Monitoring Sites
for the Nucta Mine
Cessation
Site Neme Monitoring Frequency
Computer No.) Drainage TYDe of Flow Measurement end Remarks Flow Quality
1 1
SW-N1 Upper Tuttle Drew Flow = cross section x velocity` Semiennuei Semiennuei
(SA0001)
SW-N2 Lower West Return Monitoring discontinued 11/80 N/A N/A
(SA0002) Ditch
1 1
SW-N3 Lower Tuttle Draw Flow = cross section x velocity` Semiannual Semiannual v
(SA0003)
SW-N4 Lower East Return Monitoring discontinued 11/80 N/q N/A
(SA0004) Ditch
SW-NS Mid-Lower West Same site es NPDES 001(DA0001) 2 2
(SA0005) Return Ditch
SW-Nb Mid west Return Flow = cross section z vel oci[y N/A N/A
(S!.^_^Ob) hitch or portable volumetric weir
1 1
SW-N7 Upper west Return Flow height measured in CMP; flow determined using Nanning's Semiannual SemiennueL
(SA0007) Ditch equation (low flow measured with bucket and stop watch)