understanding water use in montana
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Understanding Water Use in Montana
an Experiment in Geospatially Enabling the DNRC Water Rights Database
1
Yellowstone River Conservation Districts CouncilNovember 4, 2011
Montana DNRC Jim Robinson
Troy Blandford
Elizabeth Murray
Kris Hardman
Montana NRIS Evan Hammer
Duane Lund
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Montana Water Planning
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Montana Water Planning
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NHD Surface Water Features and Flowlines
Source: USGS
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POD2NHD Migration Experiment
Overall Goal: Assess the feasibility of geospatially enabling the DNRC Water Rights
Database (WRDB) and integrating it with other event data
associated with the National Hydrography Dataset (NHD).
Objectives 1. Develop water use data associated with individual water rightsin a form that supports hydrologic analysis and water planning;
2. Estimate level of effort to implement on a larger scale;
3. Education and demonstration purposes.
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Location Map: Tongue River Basin and Pumpkin Creek
Subwatershed, MT
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Warrior Trail (now Hwy 212)
1880s Homesteader Cabin
Pumpkin Ck
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Pumpkin Creek
Pumpkin Creek at Hwy 212
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0
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Jan Feb Mar April May June July Aug Sept Oct Nov Dec
cfs
Mean Monthly Discharge
Pumpkin Creek
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Pumpkin Creek Streamflow Statistics
Total volume of surface water diverted for irrigation in Pumpkin Creek = 124,603 ac-ft
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POD2NHD Migration Experiment
Pumpkin Creek Irrigated Lands:
From adjudication data (acres)
Claimed = 14,640
Examined = 13,670
WRS = 10,432 (Custer 1948 , Powder River 1961)
From DOR FLU data (acres)
flood = 94pivot = 2
sprinkler = 0
Total = 96
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ResultsPhase II Pumpkin Creek (sub-basin within 42C)
1697 PODs - 17 different means of diversion.
No Action= 593/ 1697 (35.6%) = 97 Instream Fisheries (100 %) +
467 Wells (100%) +
29 Livestock Direct +
minor developed and undeveloped springs, spring boxes
and pumps.
Manually Placed to NHD = 1028/1697(60.6.6%)
Placed on Proposed NHD = 76/1697 (4.5%)
POD2NHD Migration Experiment
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0
100
200
300
400
500
600
PUMPKIN CREEK BY MEANS OF DIVERSION
POD2NHD Migration Experiment
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Springs = 223 PODs(13%)
Developed Springs (63)
Springbox (28) Undeveloped Springs (15) Livestock Direct (117)
Wells = 495 PODs
(29%)
Pumpkin Creek Watershed
Groundwater Rights
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Value added to NHD Dams
Dams currently
in the NHD
high-resolution
dataset: 23
Water Right
Dams: 488
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Pumpkin Creek Watershed
POD Dams versusNHD Dams
WRDB Dam
WRDB Dam
WRDB/NHD Dam
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Pumpkin Creek Watershed
Surface Water Rights
Dikes, Diversions, etc.
= 346 PODs (20%)
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POD2NHD Migration Experiment
Water Right No.42C 129192 00
(Example of a many-to-many relationship)
Priority date = 1900
(22) POUs
Diversion means:
Dike w/ water spreading
Max flow rate:
No specific flow rate b/c use consists of
direct flow water spreading
Max Volume: 665 AC-FT
(7) PODs
Max Acres: 686
Abstract Note: POD is moveable all along source within legal land description
Mapped Acres: 651
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POD2NHD Migration Experiment
Conclusions:
It is possible to index Montanas water right data to the NHD, but the
purpose and need must clarified.
Some of the diversions types are straight forward to map (e.g. dams),
others are not (water spreading dikes). Some simplification is
necessary to index certain diversion types to the NHD.
Next Steps:
1. Update the high-resolution NHD in partnership with federal, state and
local partners;
2. Work with USGS and NRIS to publish the data as part of the NHD;
3. Investigate the effect of surface water development on prairie stream
hydrology in a suitable drainage in the Yellowstone Basin.
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Questions?
Pumpkin Creek - June 2011
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