PERMFILE116359

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 32 Quantity & Quality Modeling Analyses of Surface Water Resources of Trout Creek Basin
• Media Type: D
• Archive: No

TABLE OF CONTENTS
(continued)
Page
3.0 WATER-BALANCE (QUANTITY-QUALITY) ACCOUNTING MODEL 20
(WATBAL)
3.1 Node Configuration 21
3.2 Accounting Procedures - Calibration Module 22
3.2.1 Streamflow 23
3.2.2 Water-Quality Concentrations 25
3.2.3 Water-Quality Loads 25
3.3 Accounting Procedures - Prediction (Mine-Impact)
Module 26
3.4 Output Options 27
3.4.1 Tabular Outputs 27
3.4.2 Graphic Outputs 28
4.0 RESULTS 28
4.1 Calibration Comparisons for Selected Node Points 29
4.1.1 Lower Middle Creek (Site 09243920) 32
4.1.2 Trout Creek Below Middle Creek
(Site 09243994) 32
4.1.3 Lower Fish Creek (Site 09244181) 32
4.1.4 Yampa River (Below Diversion Near Hayden)
•
(Site 09244410) 33
4.2 Prediction (Mine-Impact) Comparisons for Selected
Node Points 33
4.2.1 Lower Middle Creek (Site 09243920) 34
4.2.2 Lower Fish Creek (Site 09244181) 35
4.2.3 Lower Trout Creek (Site 09244196) 35
4.2.4 Yampa River (Below Diversion near Hayden)
(Site 09244410) 36
4.3 Stream Standards Comparisons 36
4.3.1 Trace Metals 36
4.3.2 Other Chemical Constituents 38
5.0 SUMMARY AND CONCLUSIONS 39
CREDITS 43
GENERAL INFORMATION 43
6.0 REFERENCES 44
ii