E AGLE R IVER W ATER U SERS E XHIBIT B

E AGLE R IVER W ATER U SERS Eagle Park Reservoir Company Eagle River Water & Sanitation District Upper Eagle Regional Water Authority Vail Resorts, Inc. Vail Summit Resorts, Inc. E XHIBI T B

E XISTING W ATER Q UALITY SHOULD BE P ROTECTED FOR THE D ECREED U SES Eagle River Basin Segments 3 and 14 classified for Water Supply and Agriculture Support the WQCD’s proposal to apply Molybdenum standard for Agriculture to Segments 3 and 14 Existing water quality meets all applicable and proposed standards Molybdenum data from 1970s during historical operations at Climax exceeded the proposed standards (360 ug/L East Fork near Camp Hale) Consistent with decreed uses for Eagle Park Reservoir, the East Fork of the Eagle River, and downstream uses E XHIBIT B

E XISTING W ATER Q UALITY SHOULD BE P ROTECTED FOR THE D ECREED U SES WQCD/Climax proposal for Blue River Segment 13 is inconsistent with decreed water supply sources for Eagle Park Reservoir – Existing source: Chalk Mountain Interceptor – Future sources: Searle Gulch, Kokomo Creek, Humbug Creek, Mayflower Creek Molybdenum data from 1970s during historical operations at Climax exceeded the proposed standards – Kokomo Creek in early 1970s – 86,000 ug/L total molybdenum E XHIBIT B