REP00595

• Permit No: C1981025
• IBM Index Class Name: Report
• Doc Date: 2/3/2000
• Doc Name: 1999 Annual Hydrology Report
• From: MINREC Inc
• To: DMG
• Annual Report Year: 1999
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

Page 4 of 9
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Flow TSS TDS TFe TCd
Date gpm Ph Cond Temp mg/I mg/I mg/I mg/I
5/11/91 19 8.3 3100 14
5/18/91 18 8.2 2900 15 <10 2085 1.14 <0.0007
5/22/91 25 8.3 3000 15
5/30/91 22 8.4 3100 15
6n/91 21 7.9 2800 20
6/15/91 20 8.1 2800 15
6/19/91 15 8.2 2800 14 <10 1925 0.68 <0.0007
6/29/91 16 8.1 2900 18
715/91 i6 8.1 2600 17
7/10/91 25 8.0 2900 17
7/18/91 27 8.0 2800 17
7/25/91 26 8.0 2900 17 <10 1930 0.72 <0.0007
7130(91 24 8.1 2800 18
8/9/91 25 8.0 2600 20
8/16/91 24 7.9 2700 16
8/23/91 22 8.0 2800 17 <10 1825 1.40 <0.0007
8/29!91 23 7.9 2600 19
9/5/91 23 7.9 2900 14 <10 1840 0.97 <0.0007
9/12/91 20 7.9 2800 15
9/19/91 21 7.9 2800 15
9!27191 19 8.1 2900 14
10/2/91 18.5 7.9 2900 10 <10 1870 1.48 <0.0007
10/12/91 19.2 8.0 2800 13
10/19/91 18.7 8.0 2800 12
10/24/91 30.3 7.8 2900 4
10/31/91 19.2 8.0 2700 3
11 n/91 22.8 7.9 2800 2 <10 1830 1.38 <0.0007
11/15/91 21,6 8.0 2800 5
11/23/91 21.2 8.1 2700 1
12/1/91 21.2 7.9 2800 2 <10 2000 0.98 <0.0007
12/6/91 20.9 8.1 2800 1
12/14/91 21.1 8.0 2900 1
12/16/91 21.6 7.8 3100 1
12/26/91 21.4 8.2 2900 1
91 AVE 20.1 8.1 2890 9 <10 2018 1.28 <0.0007

1/4192 20.7 8.0 3000 1 <10 1905 2.58 <0.0007
1/12/92 21.0 7.9 3000 1
1/17/92 21.0 7.7 2900 1
1/22/92 22.7 7.9 2700 1
1/25/92 21.0 7.9 2800 1
2/1/92 21.0 8.0 2900 1 <10 1890 0.43 <0.0007
2/7/92 20.3 8.0 2900 2
2/14/92 19.0 8.0 2800 2
2/22/92 18.5 8.0 3000 1
2/27/92 17.5 8.0 2900 2
3/6/92 17.1 8.1 2700 5 <10 1720 0.58 <0.0007
3/13/92 19.2 8.1 2800 6
3/21 /92 22.2 8.0 2700 8
3/26/92 25.1 8.3 2700 8
4/2J92 22.1 8.1 2700 7
4/11/92 25.5 8.2 2800 11 <10 1775 0.44 <0.0007
4/15/92 14.5 B.1 2900 10