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3. POND INSPECTION REPORTS & LIVESTOCK WATER TANK INSPECTION REPORTS • Requirement In accordance with Rule 4.05.9(13) all impoundments aze inspected quarterly for structural weakness, erosion and other hazazdous conditions. Reports aze to be submitted annually to the Division. Colowyo conducts quarterly inspections of sediment ponds, the Washbay pond, the Taylor pump holding pond and the stockponds located on reclaimed areas. In addition, Exhibit 2 contains copies of the 1998 Quarterly Discharge Monitoring Reports submitted eazlier to the Colorado Department of Public Health and Environment, Water Quality control Division for CDPS Permit No. COG-850017. Response SEDIMENT PONDS WASHBAY POND AND TAYLOR PUMP HOLDING POND. The Pond Inspection Reports are found in Exhibit 3. The reports indicate the ponds aze operating in accordance with certified and approved designs. All embankments, spillways, and other outlet structures are in good operating condition. Streeter Pond (001) -The Streeter pond was dredged of sediment. Work Area Pond~002) -The Work Area pond was dredged of sediment. Gossazd Pond (003) -The Gossazd pond was dredged of sediment. Gulch A. Pond (004) -The Gulch A pond inlet was lined with concrete and the inlet sump was • dredged. Stoker Pond (005) -The Stoker pond was dredged of sediment. Rail Loop Pond (006) -The Rail Loop pond received no maintenance. Prospect Pond (007) -The Prospect pond was dredged of sediment. West Pit Pond (008) -The West Pit pond was dredged of sediment. Section 16 Pond (0091 -The Section 16 pond received minor maintenance. Minor amounts of sediment located at the ditch inlets was spread onto the cut slopes remaining after initial pond construction. East Taylor Pond (010) -The East Taylor Pond inlet was cleaned of sediment as part of the operation to remove the slump material located on the slope above and east of the pond. Washbay Sediment Sump -The sediment sump was cleaned of sediment. No additional repairs were necessary. There is no evidence suggesting potential failure at any of the ponds. In addition, the steel markers located on the hillside above and south of the West Pit Pond indicates no evidence of instability in that vicinity. Colowyo is also in the process of redesigning the ponds as "treatment" structures rather than "containment" structures (Technical Revision No. 41). Modification of the pond dschage structures should take place in early 1999. •