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Page 40 Table 2-10. Distribution, status, and threats of flannelmouth sucker in Southern Region. Abundance class can be abundant (>50 individuals/100m), moderate or present (10-50 individuals/100m), rare (<10 individuals/100m), not present, or unknown. Historical information taken from the Utah Division of Wildlife Heritage Database. Current Abundance Last Last Historically Population Drainaae Stream Name Reach HCU Class surveyed observed Dresent reoroduclna? Threats Arizona state line upstream to Webb Hill Non-reproducing due to non-native Virgin River Virgin River Barrier 15030008 Rare 2004 2004 Y N presence (red shiner) Webb Hill B.arrier upstream to Johnson Non-reproducing due to non-native Virgin River Diversion 15030008 Rare 2005 2005 Y N oresence (red shiner) Johnson Diversion upstream to Washington Non-reproducing due to non-native Virain River Fields Diversion 15030008 Moderate 2005 2005 Y Y presence (red shiner) Washington Fields Diversion upstream to Limited flows, temperature, water quality, Virgin River Pah Tempe 15030008 Moderate 2005 2005 Y Y sediment management Pah Tempe upstream to the Quail Creek Non-reproducing due to limited flow (Quail Virgin River Diversion 15030008 Rare 2005 2003 Y N Creek Diversion) Quail Creek Diversion upstream to the Currently stable; potential threats include Virgin River North/East Forks 15030008 Abundant 2005 2005 Y y f1oodolain and water develooment Currently stable (Zion National Park); East Fork potential threats include no long-term Virgin River Confluence upstream to LabYrinth Falls 15030008 Abundant 2004 2004 Y Y easement in place for Trees Ranch North Fork Confluence upstream to its confluence with Virgin River Deep Creek 15030008 Abundant 2005 2005 Y Y Currentlv stable (Zion National Park) Confluence with Virgin River upstream to Diversion/dewatering, temperature, water North Creek Zion Park boundary 15030008 Rare 2004 2001 Y N auality Santa Clara Confluence with Virgin River upstream to Diversion/dewatering below Gunlock River Gunlock Reservoir 15030008 Not Present 2005 2002 Y N Reservoir, water Quality, non-natives Santa Clara Gunlock Reservoir upstream to Moody Not Diversion/dewatering, temperature, water River WashlMaaotsu Creek 15030008 Present/Rare 2005 2002 Y N auality, non-natives Escalante Escalante Lake Powell upstream to the Glen Canyon Limited threats; potential non-native River River Rec Area boundary 14070005 Moderate 1998 1998 Y y influence from Lake Powell Escalante Glen Canyon Rec Area boundary upstream Limited threats; potential non-native River -9 mile downstream of Calf Creek 14070005 Unknown U U Y U influence from Lake Powell Escalante From -9 miles downstream to -8 miles Limited threats; potential non-native River upstream of Calf Creek 14070005 Abundant 2004 2004 Y Y influence from Lake Powell Escalante From -8 miles upstream of Calf Creek to Entire reach dewatered except for -1.5 mile River Escalante town 14070005 Not Present 2004 U U N stretch near the Escalante town From its confluence with Escalante River Sand Creek upstream -1 mile 14070005 Rare 2004 2004 y y Limited threats Upstream of confluence with Escalante Dewatering (until recent TNC purchase?); Boulder Creek River 14070005 Rare 2004 2004 y N non-natives in lower Boulder Creek Upstream from Utah/Arizona border to SR- Paria River Paria River 9 bridae crossina 14070007 Unknown 1977 U Y N Dewatering Paria River Uostream from SR-9 bridae crossina 14070007 Unknown 1977 U U N Dewatering Fremont BLM land just east of Capital Reef National River Fremont River Park 14070003 Present 2005 2005 y y Barrier, hybridization with white sucker Fragmentation of populations due to Fremont River Capital Reef National Park 14070003 Present 2005 2005 Y Y diversions Capital Reef N.P. boundary upstream to Fremont River Fish Creek confluence 14070003 Present 1992 1992 Y Non-natives