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Major Storage Project:
<br />Source: U.S. Geological Survey Water Data Reports
<br />Annual Discharges
<br />Arkansas River Near Granada, Colorado
<br />140 - -
<br />y Average Annual Discharge: 146,415 AF ❑ Avg. Year
<br />y 120 Minimum Annual Discharge: 42,942 AF (1592) I I ■ Max. Year
<br />Maximum Annual Discharge: 432,349 AF (1997)
<br />°0 100 El Min. Year
<br />0
<br />so
<br />Major Water Rights call ,,. 3 69 .
<br />Major water rights calls during the winter come from
<br />John Martin Reservoir (1948), the Winter Water 1 r
<br />Storage Program (1910) and Pueblo Reservoir Leadvilli
<br />LAKE
<br />(1962). During the irrigation season, priority 2 r
<br />calls generally originate from the senior
<br />irrigation rights, including the Colorado Canal
<br />(1 890) Fort L N 2 1887 d
<br />Since 1971, the CWCB has provided over $11.7 million in
<br />loan financing for 22 water projects in this basin. Projects
<br />receiving over $500,000 are shown on the basin map as a
<br />red triangle A.
<br />Fan Xoos•a
<br />P., T-0
<br />to o 10 20 Mies
<br />yon US. ( ) an 3 (1893), Buena vista �(
<br />Holbrook (1889), Catlin (1887), Highline (1890), Otero r
<br />(1890), Consolidated (1888), and Amity (1887). The CHAFFEE
<br />Fort Lyon Storage (1906) right may also call during the
<br />irrigation season. aSalida}
<br />The available capacity for exchange between water ;?
<br />rights diverting downstream from Pueblo to points 10
<br />of diversion or storage upstream from Pueblo
<br />(e.g., Pueblo, Twin Lakes and Turquoise Reservoirs) is an
<br />effective means of water resource management in the
<br />Arkansas Basin.
<br />The Division 2 Engineer acts as the Operations Secretary
<br />to the Arkansas River Compact Administration. In this
<br />capacity, the Engineer is charged with conducting the
<br />operations of John Martin Reservoir during each Compact
<br />year (November 1 - October 31) according to the John
<br />Martin Reservoir Operating Plan. This is an important
<br />component in the operation and management of Arkan-
<br />sas River Basin water resources.
<br />Implementation of the Amended Groundwater Measure-
<br />ment and Use Rules has resulted in nearly real -time
<br />administration of conjunctive use of groundwater and
<br />surface water in the basin.
<br />Source: Colorado Water Conservation Board and
<br />Division 2 Enginer's Office
<br />Wet and Dry Periods
<br />Every year, Colorado experiences at least one 100 -year
<br />flood somewhere in the state. Colorado's total flood
<br />losses to date have been documented to be $4.9 billion.
<br />The basin's most recent flood event vas April 29 -May 3,
<br />1999. The estimated total historic damages for this basin
<br />are $1.3 billion to date.
<br />F
<br />F _[l �r
<br />FREMOTVT 1 ,
<br />Co pexl Can4rtL��
<br />OWestcliffe
<br />CUSTER
<br />• Municipality
<br />CWCB Loan Construction Project
<br />Water Import into Basin
<br />Highway
<br />Major Stream or River
<br />Instream Flow Reach
<br />Designated Flood Plain
<br />Major Lake or Reservoir
<br />Denver Basin Aquifer
<br />Alluvial Aquifer
<br />Designated Ground Water Basin
<br />- ' County
<br />0 CWCB Basin
<br />Arkansas River Basin
<br />4mon
<br />tLt-iERT N
<br />r.
<br />Colorado T< _ ... CHEYENNE
<br />S�SpringL PASO Denveraaam LINCOLN �KitCar oon S
<br />Aquit"
<br />Fountain I
<br />,FIdl
<br />e.
<br />Fountain -
<br />aluvfat KIOWA
<br />Aquifer f
<br />h __I
<br />kansas:aluvial _
<br />Aquifer CROWLEY
<br />Pueblo'r. prtransas Alluvial
<br />O ,yG waYp Aquifer
<br />. Nepesta'
<br />PUEBLO sre�n, Gag. . �] _ -Rocky Ford'` Las- ,animas Lamar:, > 3 Granada Holly
<br />A,loneas R;acr O =�
<br />neai Nep- Stc rn Gage
<br />!
<br />ncknses Ri-
<br />La Junta
<br />I � � F = N- r Granada
<br />OTERO PROWERS
<br />HUERFANO
<br />c. Walsenburg
<br />f
<br />v
<br />OTrinidad
<br />Springfield
<br />LAS AN -4AS
<br />BACA
<br />Stream and Lake Protection
<br />There are 126 instream flow segments totaling approxi-
<br />mately 607 stream miles in this basin. There are also 85
<br />lakes with decreed natural lake levels. These decreed
<br />water rights are held by the CWCB to "protect the
<br />natural environment to a reasonable degree." The
<br />decreed amount for each of these instream flow
<br />segments and natural lakes is based on the flow or lake
<br />level required to maintain the water - dependent natural
<br />t environment. Source: Colorado Water ConservationBoard
<br />c so I - May -June 1935
<br />Kiowa, Bijou, Fountain & June -July 1957
<br />40 Dry Avg Wet Monument Creeks flood Basin floods
<br />� I June & A 1921
<br />Major Imports into the Basin
<br />1 Boustead Tunnel
<br />Lake Fork Creek
<br />Reservoir
<br />Normal Storage
<br />Lake Creek
<br />(acre -feet)
<br />John Martin Reservoir
<br />603,4651
<br />Pueblo Reservoir
<br />357,678
<br />Great Plains Reservoirs
<br />265,552
<br />Twin Lakes
<br />141,0001
<br />Turquoise Reservoir
<br />129,432
<br />Trinidad Reservoir
<br />119,877
<br />Adobe Creek Reservoir
<br />71,000
<br />Cuchara Valley Reservoir
<br />40,960
<br />Lake Meredith
<br />39,804
<br />Horse Creek Reservoir
<br />28,000
<br />Clear Creek Reservoir
<br />11,500
<br />Mt. Elbert Forebay
<br />11,530
<br />Lake Henry
<br />9,500
<br />St. Charles Reservoir No. 3
<br />8,638
<br />Holbrook Reservoir
<br />4,600
<br />Deweese -Dye Reservoir
<br />1,772
<br />Brush Hollow Reservoir
<br />3,933
<br />Mt. Pisgah Reservoir
<br />2,471
<br />Dye Reservoir
<br />5,640
<br />Source: Colorado Division of Water Resources Office of Dam Safety
<br />Database;' Colorado Water Conservation Board
<br />Hydrological Variations
<br />Examples of annual and seasonal variations
<br />are shown below.
<br />Gage Maximum
<br />Minimum
<br />Recorded
<br />Recorded
<br />Flow (cfs)
<br />Flow (cfs)
<br />Near Nepesta 6,930 (1994)
<br />90 (1978)
<br />Near Granada 3,330 (1987)
<br />3 (1990)
<br />Source: U.S. Geological Survey Water Data Reports
<br />Annual Discharges
<br />Arkansas River Near Granada, Colorado
<br />140 - -
<br />y Average Annual Discharge: 146,415 AF ❑ Avg. Year
<br />y 120 Minimum Annual Discharge: 42,942 AF (1592) I I ■ Max. Year
<br />Maximum Annual Discharge: 432,349 AF (1997)
<br />°0 100 El Min. Year
<br />0
<br />so
<br />Major Water Rights call ,,. 3 69 .
<br />Major water rights calls during the winter come from
<br />John Martin Reservoir (1948), the Winter Water 1 r
<br />Storage Program (1910) and Pueblo Reservoir Leadvilli
<br />LAKE
<br />(1962). During the irrigation season, priority 2 r
<br />calls generally originate from the senior
<br />irrigation rights, including the Colorado Canal
<br />(1 890) Fort L N 2 1887 d
<br />Since 1971, the CWCB has provided over $11.7 million in
<br />loan financing for 22 water projects in this basin. Projects
<br />receiving over $500,000 are shown on the basin map as a
<br />red triangle A.
<br />Fan Xoos•a
<br />P., T-0
<br />to o 10 20 Mies
<br />yon US. ( ) an 3 (1893), Buena vista �(
<br />Holbrook (1889), Catlin (1887), Highline (1890), Otero r
<br />(1890), Consolidated (1888), and Amity (1887). The CHAFFEE
<br />Fort Lyon Storage (1906) right may also call during the
<br />irrigation season. aSalida}
<br />The available capacity for exchange between water ;?
<br />rights diverting downstream from Pueblo to points 10
<br />of diversion or storage upstream from Pueblo
<br />(e.g., Pueblo, Twin Lakes and Turquoise Reservoirs) is an
<br />effective means of water resource management in the
<br />Arkansas Basin.
<br />The Division 2 Engineer acts as the Operations Secretary
<br />to the Arkansas River Compact Administration. In this
<br />capacity, the Engineer is charged with conducting the
<br />operations of John Martin Reservoir during each Compact
<br />year (November 1 - October 31) according to the John
<br />Martin Reservoir Operating Plan. This is an important
<br />component in the operation and management of Arkan-
<br />sas River Basin water resources.
<br />Implementation of the Amended Groundwater Measure-
<br />ment and Use Rules has resulted in nearly real -time
<br />administration of conjunctive use of groundwater and
<br />surface water in the basin.
<br />Source: Colorado Water Conservation Board and
<br />Division 2 Enginer's Office
<br />Wet and Dry Periods
<br />Every year, Colorado experiences at least one 100 -year
<br />flood somewhere in the state. Colorado's total flood
<br />losses to date have been documented to be $4.9 billion.
<br />The basin's most recent flood event vas April 29 -May 3,
<br />1999. The estimated total historic damages for this basin
<br />are $1.3 billion to date.
<br />F
<br />F _[l �r
<br />FREMOTVT 1 ,
<br />Co pexl Can4rtL��
<br />OWestcliffe
<br />CUSTER
<br />• Municipality
<br />CWCB Loan Construction Project
<br />Water Import into Basin
<br />Highway
<br />Major Stream or River
<br />Instream Flow Reach
<br />Designated Flood Plain
<br />Major Lake or Reservoir
<br />Denver Basin Aquifer
<br />Alluvial Aquifer
<br />Designated Ground Water Basin
<br />- ' County
<br />0 CWCB Basin
<br />Arkansas River Basin
<br />4mon
<br />tLt-iERT N
<br />r.
<br />Colorado T< _ ... CHEYENNE
<br />S�SpringL PASO Denveraaam LINCOLN �KitCar oon S
<br />Aquit"
<br />Fountain I
<br />,FIdl
<br />e.
<br />Fountain -
<br />aluvfat KIOWA
<br />Aquifer f
<br />h __I
<br />kansas:aluvial _
<br />Aquifer CROWLEY
<br />Pueblo'r. prtransas Alluvial
<br />O ,yG waYp Aquifer
<br />. Nepesta'
<br />PUEBLO sre�n, Gag. . �] _ -Rocky Ford'` Las- ,animas Lamar:, > 3 Granada Holly
<br />A,loneas R;acr O =�
<br />neai Nep- Stc rn Gage
<br />!
<br />ncknses Ri-
<br />La Junta
<br />I � � F = N- r Granada
<br />OTERO PROWERS
<br />HUERFANO
<br />c. Walsenburg
<br />f
<br />v
<br />OTrinidad
<br />Springfield
<br />LAS AN -4AS
<br />BACA
<br />Stream and Lake Protection
<br />There are 126 instream flow segments totaling approxi-
<br />mately 607 stream miles in this basin. There are also 85
<br />lakes with decreed natural lake levels. These decreed
<br />water rights are held by the CWCB to "protect the
<br />natural environment to a reasonable degree." The
<br />decreed amount for each of these instream flow
<br />segments and natural lakes is based on the flow or lake
<br />level required to maintain the water - dependent natural
<br />t environment. Source: Colorado Water ConservationBoard
<br />c so I - May -June 1935
<br />Kiowa, Bijou, Fountain & June -July 1957
<br />40 Dry Avg Wet Monument Creeks flood Basin floods
<br />� I June & A 1921
<br />Major Imports into the Basin
<br />1 Boustead Tunnel
<br />Lake Fork Creek
<br />53,971
<br />2 Twin Lakes Tunnel
<br />Lake Creek
<br />46,930
<br />3 Homestake Tunnel
<br />Lake Fork Creek
<br />24,520
<br />4 Hoosier Tunnel
<br />Fountain Creek
<br />9,330
<br />5 Busk - Ivanhoe Tunnel
<br />Lake Fork Creek
<br />4,123
<br />6 Wurtz Ditch
<br />Tennessee Creek
<br />2,070
<br />7 Columbine Ditch
<br />Arkansas River
<br />1,669
<br />8 Medano Ditch
<br />Huerfano River
<br />834
<br />9 Ewing Ditch
<br />Tennessee Creek
<br />775
<br />10 Larkspur Ditch
<br />Poncha Creek
<br />66
<br />Source: Division 2 Annual Report (Water Year 1998)
<br />Division of Water Resources
<br />20
<br />>
<br />I
<br />��
<br />ug I May floods June 1965 April 1999
<br />Basin floods Basin floods Basin floods Fountain Creek floods
<br />I I
<br />Major Exports from
<br />the Basin
<br />a J
<br />Upper Basin
<br />o .L:.L
<br />_._ _ j
<br />Lower Basin
<br />Name
<br />Diversions
<br />Oct Nov Dec Jan Feb Mar
<br />Apr May Jun Jul Aug Sep
<br />�
<br />i
<br />(acre -feet)
<br />ffi o
<br />11 Aurora Rocky Ford Ditch
<br />8,250
<br />Source: U.S. Geological Survey Water Data Reports
<br />Source: Colorado Water Conservation Board; and McKee, Doesken, and Kleist, Historical Dry and Wet Periods in Colorado, Figures, Colorado
<br />Climate Center, Colorado State University, 1999.
<br />Source: Southeastern Colorado Water Conservancy District and
<br />Division of Water Resources
<br />
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