Mileage Colorado River (Lees Ferry Gaging Station) Main Stem 0.0

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TABLE OF CONTENTS RIVER MILE INDEX COLORADO River (FIRST ORDER-) Mileage Colorado River (Lees Ferry Gaging Station) Main Stem 0.0 Green River Right Bank 723.0 White River Left Bank 188.0 Coal Creek Right Bank ll.5 Piceance Creek Left Bank 44.0 South Fork White River Left Bank 33.2 Lost Creek Right Bank 6.0 Duchesne River Right Bank 120.0 Uinta River Left Bank 59.0 White Rocks River Left Bank 30.0 Farm Creek Left Bank 14.2 Lake fork Right Bank 55.0 Yellowstone River Left Bank 11.3 Antelope Creek Right Bank 22.0 Sowers Canyon Creek 32.0 Strawberry River 77.5 Avintaquin Creek Right Bank 23.7 West Fork Left Bank 5.0 Red Creek Left Bank 32.7 Rock Creek Left Bank 46.3 West Fork Dushesne River Right Bank 18.2 Wolf Creek Left Bank 8.3 Hades Creek Left Bank 3.6 Yampa River Left Bank 223.9 Little Snake River Left Bank 144.4 Savery Creek Right Bank 37.5 Slater Creek Left Bank 26.5 Spring Creek Right Bank 6.0 Milk Creek Left Bank 30.7 East Fork Williams Fork 48.5 Morapos Creek 18.0 South fork Williams fork l7.0 Elkhead Creek Right Bank 38.0 North fork Elkhead Creek Right Bank 7.1 Grassy Creek Left Bank 11.0 Trout Creek Left Bank 35.0 Fish Creek Left Bank 25.0 Elk River Right Bank 32.2 Walton Creek Right Bank 12.3 Service Creek Right Bank 12.5 Vermilion Creek Left Bank Henry's fork Right Bank Blacks Fork Right Bank Bitter Creek Left Bank Sandy Creek Left Bank Fontenelle Creek Right Bank Labarge Creek Right Bank North Piney Creek Right Bank Cottonwood Creek Right Bank Horse Creek Right Bank Dolores River Left Bank 261.8 Beaver Creek Left Bank 15.6 San Miquel River Right Bank 77.7 Disappointment Creek Right Bank 46.2 Beaver Creek Right Bank 23.0 Gunnison River Left Bank 158.1 Kannah Creek Right Bank 23.0 Uncompahgre River Left Bank 71.3 Dallas Creek Left Bank 6.1 Tongue Creek Right Bank 17.0 Dirty George Creek Right Bank 8.2 North fork Right Bank 32.0 Leroux Creek Right Bank 20.0 Hubbard Creek Right Bank 17.3 West Hubbard Creek Right Bank 4.9 East Muddy Creek 15.0 West Muddy Creek Right Bank 21.0 Smith fork Right Bank 30.0 Crystal Creek Right Bank 15.1 Cimarron Creek Left Bank 29.0 Curecanti Creek Right Bank 20.0 Lake fork Left Bank 58.0 Soap Creek Right Bank 19.8 Tomichi Creek Left Bank 52.0 Quartz Creek Right Bank 23.0 Ohio Creek Right Bank 23.0 East River 3.0 Taylor River 40.0 Plateau Creek Left Bank 49.5 Buzzard Creek Right Bank 6.0 Roan Creek Right Bank 35.0 Parachute Creek Right Bank 19.0 Beaver Creek Left Bank 12.2 Divide Creek Left Bank 22.0 Canyon Creek Right Bank 14.3 Roaring fork River Left Bank 63.5 Cattle Creek Right Bank 20.0 Crystal River Left Bank 41.5 Sopris Creek Left Bank 15.0 Fryingpan River Right Bank 38.0 Lime Creek Right Bank 8.0 North fork Fryingpan Right Bank 10.0 South Fork Left Bank 10.0 Hunter Creek Right Bank l3.0 Eagle River Left Bank 60.2 Gypsum Creek Left Bank 23.7 Brush Creek Left Bank 20.6 Gore Creek Right Bank 17.8 Homestake Creek Left Bank 18.3 Eagle River South fork Left Bank 6.8 Eagle River East fork Right Bank 10.2 Rock Creek Right Bank 23.5 Egeria Creek Right Bank 25.8 Piney River Left Bank 28.3 East Meadow Creek Right Bank 4.8 Blue River Left Bank 63.2 Tenmile Creek Left Bank 19.0 Snake River Right Bank 14.8 Muddy Creek Right Bank 61.2 Pass Creek Right Bank 12.9 Troublesome Creek Right Bank 27.0 East fork Troublesome Creek Left Bank 21.7 Williams Fork River Left Bank 32.1 Frazer River Left Bank 33.2 Ranch Creek Right Bank 13.6 St. Louis Creek Left Bank 14.3 Willow Creek Right Bank 37.0.

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Dolores River Restoration Partnership: a Private/Public Collaboration Dolores River Restoration Partnership

DOLORES RIVER RESTORATION PARTNERSHIP: A PRIVATE/PUBLIC COLLABORATION DOLORES RIVER RESTORATION PARTNERSHIP • TIMELINE OF PARTNERSHIP • VISION AND GOALS OF PARTNERSHIP • WHY HAS THE DRRP BEEN SUCH A SUCCESSFUL PARTNERSHIP? • WHY THIS PARTNERSHIP HAS BEEN IMPORTANT TO THE BLM ORIGINS AND HISTORY OF DRRP • INITIAL RIPARIAN WORK ON SAN MIGUEL RIVER IN EARLY 2000’S – LED BY TNC, PRECURSOR TO THE DRRP. • 2009 – TNC AWARDED CONTRACT TO TAMARISK COALITION TO DEVELOP A STRATEGY FOR THE DOLORES RIVER (DR-RAP) • 2010 - DR-RAP FINALIZED • 2010 - FIRST MOU SIGNED • 2010 – FIRST BLM ASSISTANCE AGREEMENT • 2012 – AGO BLUE RIVERS DESIGNATION • 2015 – TRANSITION PLAN FINALIZED • 2015 – DOLORES RIVER HEALTHY LANDS FOCAL AREA • 2015 – SECOND MOU SIGNED • 2016 – SECOND BLM ASSISTANCE AGREEMENT DOLORES RIVER RESTORATION ACTION PLAN (DR-RAP) 1. IDENTIFIED A VISION: “A THRIVING DOLORES RIVER SYSTEM THAT IS ECOLOGICALLY, SOCIALLY, AND ECONOMICALLY SUSTAINABLE IN A MULTIUSE CONTEXT.” “A DOLORES RIVER WATERSHED DOMINATED BY NATIVE VEGETATION, WHERE THE THREATS FROM TAMARISK AND OTHER ASSOCIATED INVASIVE SPECIES HAVE BEEN MITIGATED AND THE RIPARIAN AREAS OF THE WATERSHED CONTINUE TO BECOME MORE NATURALLY FUNCTIONING, SELF-SUSTAINING, DIVERSE, AND RESILIENT OVER TIME.” DRRP MANAGEMENT GOALS Significantly increase the number of sustainable, healthy riparian plant Ecologic communities while reducing those dominated by tamarisk and other invasive, non-native plant species. Develop a professional, competitive, and efficient work force; improve Social aesthetic enjoyment;
Trip Planner

National Park Service U.S. Department of the Interior Grand Canyon National Park Grand Canyon, Arizona Trip Planner Table of Contents WELCOME TO GRAND CANYON ................... 2 GENERAL INFORMATION ............................... 3 GETTING TO GRAND CANYON ...................... 4 WEATHER ........................................................ 5 SOUTH RIM ..................................................... 6 SOUTH RIM SERVICES AND FACILITIES ......... 7 NORTH RIM ..................................................... 8 NORTH RIM SERVICES AND FACILITIES ......... 9 TOURS AND TRIPS .......................................... 10 HIKING MAP ................................................... 12 DAY HIKING .................................................... 13 HIKING TIPS .................................................... 14 BACKPACKING ................................................ 15 GET INVOLVED ................................................ 17 OUTSIDE THE NATIONAL PARK ..................... 18 PARK PARTNERS ............................................. 19 Navigating Trip Planner This document uses links to ease navigation. A box around a word or website indicates a link. Welcome to Grand Canyon Welcome to Grand Canyon National Park! For many, a visit to Grand Canyon is a once in a lifetime opportunity and we hope you find the following pages useful for trip planning. Whether your first visit or your tenth, this planner can help you design the trip of your dreams. As we welcome over 6 million visitors a year to Grand Canyon, your
Operation of Flaming Gorge Dam Final Environmental Impact Statement

Record of Decision Operation of Flaming Gorge Dam Final Environmental Impact Statement I. Summary of Action and Background The Bureau of Reclamation (Reclamation) has completed a final environmental impact statement (EIS) on the operation of Flaming Gorge Dam. The EIS describes the potential effects of modifying the operation of Flaming Gorge Dam to assist in the recovery of four endangered fish, and their critical habitat, downstream from the dam. The four endangered fish species are Colorado pikeminnow (Ptychocheilus lucius), humpback chub (Gila cypha), razorback sucker (Xyrauchen texanus), and bonytail (Gila elegans). Reclamation would implement the proposed action by modifying the operations of Flaming Gorge Dam, to the extent possible, to achieve the flows and temperatures recommended by participants of the Upper Colorado River Endangered Fish Recovery Program (Recovery Program). Reclamation’s goal is to implement the proposed action and, at the same time, maintain and continue all authorized purposes of the Colorado River Storage Project. The purpose of the proposed action is to operate Flaming Gorge Dam to protect and assist in recovery of the populations and designated critical habitat of the four endangered fishes, while maintaining all authorized purposes of the Flaming Gorge Unit of the Colorado River Storage Project (CRSP), including those related to the development of water resources in accordance with the Colorado River Compact. As the Federal agency responsible for the operation of Flaming Gorge Dam, Reclamation was the lead agency in preparing the EIS. Eight cooperating agencies also participated in preparing this EIS: the Bureau of Indian Affairs (BIA), Bureau of Land Management, National Park Service, State of Utah Department of Natural Resources, U.S.
Figure 12B-01. Mountainous Volcanic Region

108°W 106°W F Ancestral ron t Rang LARIMER Uinta Sand Upl e ift Little Snake River Wash Ba North Platte River MOFFAT s Yampa River in JACKSON Park-Gore Range Axial ROUTT Ba s in Up li h ft rc as A ek e Dougl Cr White River GRAND 40°N Whi EXPLANATION RIO BLANCO 40°N te Ri Neogene Volcanics ver Upli Neogene Sediments ft Paleogene Volcanics Eagle River Blue River Paleocene-Cretaceous Intrusives Piceance Basin Roaring ForkCentral River Colorado TroughEAGLE Cretaceous Seaway Sediment GARFIELD Eagle River Sawatch Range Aquifers SUMMIT Mesozoic Sediment Aquifers Ancestral Rockies Basins Colorado River Precambrian Basement PITKIN Arkansas River East Muddy Creek Mountainous Region MESA LAKE PARK Unc Mountainous Valleys ompa ghre Up Colorado Plateaus Region lif DELTA t Laramide Basin Outlines Laramide Uplift Axis Uncompaghre Uplift G un Taylor River CHAFFEE nison Laramide Basin Axis GUNNISON Upl Ancestral Rockies Uplift Axis Uncompahgre River South Arkansas River ift Ancestral Rockies Basin Axis Paradox Basin FREMONT MONTROSE San Lui CUSTER s OURAY Up San Miguel River li ft 38°N SAN MIGUEL SAGUACHE 38°N Animas River HINSDALE DOLORES SAN JUAN Rio Grande MINERAL ag Dolores River n S West Dolores River ua J RIO GRANDE ALAMOSA e San MONTEZUMA n Dom Jua Archuleta Anticlinorium San Los Pinos River LA PLATA COSTILLA San Juan Piedra River Basin CONEJOS Tusas Uplift COSTILLA ARCHULETA COSTILLA 108°W 106°W 0 10 20 30 40 50 Miles Geology modified from Tweto (1979); structural features from Hemborg (1996). 0 10 20 30 40 50 Kilometers Figure 12b-01.
Big-River Monitoring on the Colorado Plateau

I NVENTORY & M ONITORING N ETWORK Big-River Monitoring on the Colorado Plateau Dustin Perkins1, Mike Scott2, Greg Auble2, Mark Wondzell3, Chris Holmquist-Johnson2, Eric Wahlig2, Helen Thomas1, and Aneth Wight1; 1Northern Colorado Plateau Network, P.O. Box 848, Bldg. 11, Arches National Park, Moab, UT 84532 2U.S. Geological Survey, Biological Resources Discipline, FORT Science Center, 2150 Centre Ave., Building C, Fort Collins, CO 80526; 3National Park Service, Water Resources Division, 1201 Oakridge Dr., Ste. 150, Fort Collins, CO 80525 Introduction and Green rivers in Canyonlands National Park. The Yampa River is the longest relatively free-flowing river Water has always been in short supply in the western reach remaining in the Colorado River basin. The U.S., making it a consistent source of conflict. In Green River is highly regulated by Flaming Gorge Dam the Colorado River drainage, an increasing human but is partially restored below its confluence with the population fuels increased demands for water from Yampa River. There have been large-scale changes the river and its tributaries. As a result, streamflow to the Green River since Flaming Gorge Dam was in virtually all of these systems has been altered by completed in 1962. reservoirs and other water-development projects. In most cases, reduced flows have significantly altered Monitoring of these rivers and their riparian peak flows and increased base flows that structure vegetation focuses on processes that affect the river floodplain vegetation, stream-channel morphology, channel, active bars, and riparian floodplains. To get and water quality (e.g., temperature, suspended a complete picture of river conditions, the NCPN sediment, nutrients).
Gunnison River

final environmental statement wild and scenic river study september 1979 GUNNISON RIVER COLORADO SPECIAL NOTE This environmental statement was initiated by the Bureau of Outdoor Recreation (BOR) and the Colorado Department of Natural Resources in January, 1976. On January 30, 1978, a reorganization within the U.S. Department of the Interior resulted in BOR being restructured and renamed the Heritage Conservation and Recreation Service (HCRS). On March 27, 1978, study responsibility was transferred from HCRS to the National Park Service. The draft environmental statement was prepared by HCRS and cleared by the U.S. Department of the Interior prior to March 27, 1978. Final revisions and publication of both the draft environmental statement, as well as this document have been the responstbility of the National Park Service. FINAL ENVIRONMENTAL STATEMENT GUNNISON WILD AND SCENIC RIVER STUDY Prepared by United States Department of the Interior I National Park Service in cooperation with the Colorado Department of Natural Resources represented by the Water Conservation Board staff Director National Par!< Service SUMMARY ( ) Draft (X) Final Environmental Statement Department of the Interior, National Park Service 1. Type of action: ( ) Administrative (X) Legislative 2. Brief description of action: The Gunnison Wild and Scenic River Study recommends inclusion of a 26-mile (41.8-km) segment of the Gunnison River, Colorado, and 12,900 acres (S,200 ha) of adjacent land to be classified as wild in the National Wild and Scenic Rivers System under the administration of the National Park Service and the Bureau of Land Management, U.S. D. I. This river segment extends from the upstream boundary of the Black Canyon of the Gunnison National Monument to approximately 1 mile (1.6 km) below the confluence with the Smith Fork.
Colorado River Basin: System Status Update and Outlook for 2018 and 2019

Colorado River Basin: System Status Update and Outlook for 2018 and 2019 Daniel Bunk River Operations Manager Boulder Canyon Operations Office, Lower Colorado Region Colorado River Citizens Forum in Yuma, Arizona January 24, 2018 Topics • Overview of the Colorado River Basin • Colorado River Drought • Projected Conditions • Drought Response Activities • Summary 2 Overview of the Colorado River System • 16.5 million acre-feet (maf) allocated annually - 7.5 maf each to Upper and Lower Basins and 1.5 maf to Mexico - 13 to 14.5 maf of basin-wide consumptive use annually • 16 maf average annual “natural flow” (based on historical record) - 14.8 maf in the Upper Basin and 1.3 maf in the Lower Basin • Inflows are highly variable year to year • 60 maf of storage (nearly 4-times the annual inflow) • The System is operated on a type hydrologic budget 3 Natural Flow Colorado River at Lees Ferry Gaging Station, Arizona Water Year 1906 to 2018 Colorado River at Lees Ferry, AZ - Natural Flow 30 30 Average 10-yr Moving Average 25 25 20 20 15 15 Annual Annual Flow(MAF) 10 10 5 5 0 0 Water Year Provisional data, subject to change Estimated values for 2016-2018 4 Water Budget at Lake Mead Given current water demands in the Lower Basin and Mexico, and a minimum objective release from Lake Powell (8.23 maf), Lake Mead storage declines by about 1.2 maf annually (equivalent to about 12 feet in elevation). Inflow 9.0 maf (Powell release + side inflows above Mead) Outflow -9.6 maf (Lower Division State apportionments and Mexico Treaty allocation, plus balance of downstream regulation, gains, and losses) Mead evaporation loss -0.6 maf Balance -1.2 maf 5 Lake Mead End of Month Elevation 1,225 Spillway Crest 1221 ft 1,200 1,175 September 1999 December 2017 39% of Capacity 1,150 95% of Capacity 1,125 1,100 Elevation (ft) Elevation 1,075 1,050 Prior to 1999, Lake Mead was last at elevation 1,082.52 feet in June 1937.
Pleistocene Drainage Changes in Uncompahgre Plateau-Grand

New Mexico Geological Society Downloaded from: http://nmgs.nmt.edu/publications/guidebooks/32 Pleistocene drainage changes in Uncompahgre Plateau-Grand Valley region of western Colorado, including formation and abandonment of Unaweep Canyon: a hypothesis Scott Sinnock, 1981, pp. 127-136 in: Western Slope (Western Colorado), Epis, R. C.; Callender, J. F.; [eds.], New Mexico Geological Society 32nd Annual Fall Field Conference Guidebook, 337 p. This is one of many related papers that were included in the 1981 NMGS Fall Field Conference Guidebook. Annual NMGS Fall Field Conference Guidebooks Every fall since 1950, the New Mexico Geological Society (NMGS) has held an annual Fall Field Conference that explores some region of New Mexico (or surrounding states). Always well attended, these conferences provide a guidebook to participants. Besides detailed road logs, the guidebooks contain many well written, edited, and peer-reviewed geoscience papers. These books have set the national standard for geologic guidebooks and are an essential geologic reference for anyone working in or around New Mexico. Free Downloads NMGS has decided to make peer-reviewed papers from our Fall Field Conference guidebooks available for free download. Non-members will have access to guidebook papers two years after publication. Members have access to all papers. This is in keeping with our mission of promoting interest, research, and cooperation regarding geology in New Mexico. However, guidebook sales represent a significant proportion of our operating budget. Therefore, only research papers are available for download. Road logs, mini-papers, maps, stratigraphic charts, and other selected content are available only in the printed guidebooks. Copyright Information Publications of the New Mexico Geological Society, printed and electronic, are protected by the copyright laws of the United States.
Itinerary: the Yampa River: 5 Days/4 Nights

Itinerary: PO Box 1324 Moab, UT 84532 (800) 332-2439 The Yampa River: (435) 259-8229 Fax (435) 259-2226 Email: [email protected] 5 Days/4 Nights www.GriffithExp.com T h r o u g h Dinosaur National Monument O v e r v i e w of The Yampa River Meeting Place Best Western Antlers 423 West Main Street Vernal, UT 84078 Meeting Time : 6 : 3 0 pm (MDT) The evening before your trip Orientation: 6 : 3 0 pm (MDT) the day BEFORE d e p a r t u r e H e r e you will learn what to expect and prepare for, receive your dry bags, sign Assumption of Risk forms, and get a chance to ask last minute q u e s t i o n s . Morning Place : Best Western Antlers 423 West Main Street Vernal, UT 84078 M o r n i n g T i m e : 7 : 0 0 a m (MDT) Return Time : Approximately 5 : 0 0 - 6 : 0 0 P M Rapid Rating: C l a s s I I I - I V (water level dependent) # of Rapids : 16 River Miles: 72 P u t i n : Deer Lodge Park Ranger Station T a k e - out : Split Mountain boat ramp Trip Length: 5 D a y s / 4 N i g h t s Raft Type(s): O a r b o a t s , Paddleboats and Inflatable Kayaks Age Limit: Minimum Age is 10 y e a r s o l d What makes this trip special? The Yampa River through the Dinosaur National Monument has it all! As the last free-flowing river in the entire Colorado River drainage, the Yampa is incredibly wild in May and June.
Dolores River Desert Bighorn Sheep Herd (DBS-61) Executive Summary

Dolores River Desert Bighorn Sheep Herd (DBS-61) Executive Summary GMUs: S-63 (Middle Dolores River) and S-64 (Upper Dolores River) Tier Status: Tier 1 Land Ownership: BLM 45%, Private 29%, USFS 24%, State 2%, 2018 Posthunt Population Estimate: 175 Average Length of Longest Horn (harvested rams): 31 “ Posthunt Population Estimate 300 Dolores River Herd 250 200 150 100 50 0 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Proposed Objective S63 S64 Dolores Herd Figure 1. DBS-61 posthunt population estimate 1987-2019. Background and Issue Summary: The Dolores River Desert Bighorn sheep herd (DBS-61) is located in southwest Colorado and occupies the canyon country of the Dolores River, and its tributaries, downstream of McPhee Reservoir. It consists of Game Management Units (GMUs) S-63 (Middle Dolores River) and S-64 (Upper Dolores River). The majority of the occupied bighorn habitat occurs on lands managed by the Bureau of Land Management (BLM). DBS-61 is a Tier 1 bighorn population and should be given the highest priority for inventory, habitat protection and improvement, disease prevention and research. Although bighorn sheep were likely indigenous, none were present in the past century. The current population was established beginning in 1986 with the release of 25 bighorn from Arizona. There have been a total of four transplants of desert bighorn into the Dolores Canyon. Population sources have been from Arizona (source for two transplants), Nevada, and Utah.
Flaming Gorge Operation Plan - May 2021 Through April 2022

Flaming Gorge Operation Plan - May 2021 through April 2022 Concurrence by Kathleen Callister, Resources Management Division Manager Kent Kofford, Provo Area Office Manager Nicholas Williams, Upper Colorado Basin Power Manager Approved by Wayne Pullan, Upper Colorado Basin Regional Director U.S. Department of the Interior Bureau of Reclamation • Interior Region 7 Upper Colorado Basin • Power Office Salt Lake City, Utah May 2021 Purpose This Flaming Gorge Operation Plan (FG-Ops) fulfills the 2006 Flaming Gorge Record of Decision (ROD) requirement for May 2021 through April 2022. The FG-Ops also completes the 4-step process outlined in the Flaming Gorge Standard Operation Procedures. The Upper Colorado Basin Power Office (UCPO) operators will fulfil the operation plan and may alter from FG-Ops due to day to day conditions, although we will attempt to stay within the boundaries of the operations defined below. Listed below are proposed operation plans for four different scenarios: moderately dry, average (above median), average (below median), and moderately wet. As of the publishing of this document, the most likely scenario is the moderately dry, however actual operations will vary with hydrologic conditions. The Upper Colorado River Endangered Fish Recovery Program (Recovery Program), the Flaming Gorge Technical Working Group (FGTWG), Flaming Gorge Working Group (FG WG), United States Fish and Wildlife Service (FWS) and Western Area Power Administration (WAPA) provided input that was considered in the development of this report. The FG-Ops describes the current hydrologic classification of the Green River Basin and the hydrologic conditions in the Yampa River Basin. The FG-Ops identifies the most likely Reach 2 peak flow magnitude and duration that is to be targeted for the upcoming spring flows.
Yampa River Is Placed on Call for 1St Time Ever | Steamboattoday.Com 8/12/20, 943 AM

Yampa River is placed on call for 1st time ever | SteamboatToday.com 8/12/20, 943 AM YOUR AD HERE » Yampa River is placed on call for 1st time ever News FOLLOW NEWS | September 5, 2018 Eleanor C. Hasenbeck FOLLOW [email protected] The Yampa River flows through Dinosaur National Monument around Aug. 18. Low flows in the lower stretch of the river led water managers to curtail some use of water from the river. (courtesy photo) STEAMBOAT SPRINGS — For the ﬁrst time, water users on the main stem of the Yampa River have been curtailed. Due to low water conditions in the lower stretch of the river near Dinosaur National Monument, the Colorado Division of Water Resources placed a call on the river Tuesday. The call applies to water users upstream from the river’s lowest diversion point, which essentially places the entire river on call. https://www.steamboatpilot.com/news/yampa-river-is-placed-on-call-for-1st-time-ever/ Page 1 of 4 Yampa River is placed on call for 1st time ever | SteamboatToday.com 8/12/20, 943 AM “We are now faced again with the Yampa River being extremely low at its lower end, and we are unable to both protect the Endangered Fishes Recovery Program reservoir water and allow all water users to continue to divert water,” Erin Light, the area division engineer, wrote in an email to water users in the Yampa River Basin on Wednesday morning. The Division of Water Resources places a call on a stream when water rights owners do not receive the amount of water they have a legal right to.