Water Right Environmental Assessments
(PDF file links viewable with Acrobat Reader.)
The purpose of this website is to provide the public with information on environmental assessments of water right applications for permits and authorizations to change. 2-3-111, 2-3-301, and 2-17-532 MCA.
The DNRC keeps environmental assessments (EAs) on the Internet for approximately six months from the date when the EA was prepared, or until the application is issued or terminated. Any EA not viewable on the Internet is available in hard copy for review through the DNRC Water Rights Bureau in Helena.
Click on any county to view listings.
Beaverhead
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Grayling Centennial LLC |
Corral Creek |
2022-06-15 | |
41A 30125436 |
US Fish & Wildlife Service |
Narrows Creek |
2022-04-19 |
41A 95584-00 |
Troy C. & Joy C. Smith |
Muddy Creek |
2022-03-04 |
41B 142923 |
Koy Holland |
Estler Reservoir/ Rattlesnake Creek |
2021-09-20 |
41C 30072652 |
STATE OF MONTANA, DEPARTMENT OF FISH, WILDLIFE AND PARKS |
DIVIDE CREEK & LONG CREEK |
2021-09-09 |
41A 30072650 |
STATE OF MONTANA, DEPARTMENT OF FISH, WILDLIFE AND PARKS |
LONG CREEK |
2021-09-09 |
41A-111306 |
US Forest Service |
Selway Creek |
2019-09-19 |
Big Horn
Water Right Number | Applicant's Name | Source of Water | Date Posted |
43O 30152542 |
Sunlight Ranch co. |
Little Bighorn River |
2022-02-28 |
Blaine
Water Right Number | Applicant's Name | Source of Water | Date Posted |
41T 30153617 |
Arland & Pamela Gasvoda |
Tributary of Lion Coulee (also known as Homestead Spring) |
2022-04-21 |
Section 8, Twp. 34N, Rng.18E |
US Dept. Interior, BLM |
Reser Creek |
2021-07-20 |
Broadwater
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Carbon
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Carter
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Cascade
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Chouteau
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Custer
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Daniels
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Dawson
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Deer Lodge
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Fallon
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Fergus
Water Right Number | Applicant's Name | Source of Water | Date Posted |
41S 30147282 |
FRED W. COLVER |
Groundwater (shallow alluvial aquifer adjacent to Warm Spring Creek) |
2020-05-28 |
Flathead
Gallatin
Water Right Number | Applicant's Name | Source of Water | Date Ped |
CH SP Acquisition LLC |
Groundwater |
2022-05-31 | |
TJL Properties LP |
Willow Creek, tributary to Jefferson River |
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Lazy TJ Enterprises LLC |
Hyalite Creek, Bozeman Creek, groundwater |
2021-12-21 |
Garfield
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Glacier
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Horizon Colony |
Tributary of Old Maids Coulee / Stormwater |
2022-03-07 |
Golden Valley
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Granite
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Hill
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Jefferson
Judith Basin
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Lake
Water Right Number | Applicant's Name | Source of Water | Date Posted |
76LJ 30151447 |
Michael R. & Marlo G. V. Maddy |
Ronan Creek (Lake Mary Ronan) |
2021-09-10 |
76LJ 30151446 |
Michael R. & Marlo G. V. Maddy |
Ronan Creek (Lake Mary Ronan) |
2021-09-10 |
76LJ 30151442 |
Michael R. & Marlo G. V. Maddy |
Ronan Creek (Lake Mary Ronan) |
2021-09-10 |
Lewis & Clark
Water Right Number | Applicant's Name | Source of Water | Date Posted |
SKC Minerals LLC |
Unnamed Tributary of Dry Creek |
2022-05-18 |
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Robert Utick |
Prickly Pear Creek |
2022-03-16 | |
41I 30046071 |
Helena School District No. 1 |
Groundwater |
2021-01-15 |
Liberty
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Lincoln
Water Right Number | Applicant's Name | Source of Water | Date Posted |
US Forest Service |
Miller Creek (Fisher River Watershed) |
2021-12-01 |
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US Forest Service |
Crystal Creek (Fisher River Watershed) |
2021-11-29 |
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Lodestone Adventures, LLC and Joseph, Rita and Ryan Purdy |
Groundwater |
2021-01-07 |
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US Forest Service |
Pipe Creek (Kootenai Watershed) |
2018-09-24 |
Madison
Water Right Number | Applicant's Name | Source of Water | Date Posted |
41C 30072652 |
STATE OF MONTANA, DEPARTMENT OF FISH, WILDLIFE AND PARKS |
DIVIDE CREEK & LONG CREEK |
2021-09-09 |
McCone
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Meagher
Water Right Number | Applicant's Name | Source of Water | Date Posted |
41J 30116562 |
Tintina Montana Inc. |
Groundwater |
2020-03-13 |
41J 30116563 |
Tintina Montana Inc. |
Sheep Creek |
2020-03-13 |
41J 30116553 and 41J 30116554 |
Bar Z Ranch Inc.; John and Terri Hanson |
Little Sheep Creek and an Unnamed Tributary of Sheep Creek known as "Coon Creek" |
2020-03-13 |
41J 30116556, 41J 30116557, 41J 30116558, 41J 30116559 |
Thorson Ranch LLC |
Jumping Creek, Adams Creek, Wolsey Creek, and Sheep Creek |
2020-03-13 |
Mineral
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Missoula
Water Right Number | Applicant's Name | Source of Water | Date |
US Forest Service |
La Valle Creek |
2021-10-15 |
Musselshell
Water Right Number | Applicant's Name | Source of Water | Date Posted |
40C 30153043 |
Michael Goffena, Deborah Goffena, Judy Boogman, and Janice Denney |
2022-04-01 | 2022-04-01 |
Park
Water Right Number | Applicant's Name | Source of Water |
Date Posted |
Silver Gate Water Users Association |
Groundwater, tributary to Soda Butte Creek |
2022-04-21 | |
YSR Acquisition Co LLC |
Emigrant Creek |
2022-04-13 | |
YSR Acquisition Co LLC |
Groundwater, tributary to Yellowstone River |
2022-04-13 | |
Jeffrey Henry and Jenny Wolfe |
Yellowstone River |
2022-04-11 | |
Jeff Guengerich |
Groundwater |
2021-08-25 |
Petroleum
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Phillips
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Pondera
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Powder River
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Powell
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Prairie
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Ravalli
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Richland
Water Right Number | Applicant's Name | Source of Water | Date Posted |
F & M Ranch LLC |
Missouri River |
2022-04-21 | |
Robert Lange Inc |
Groundwater |
2022-04-01 | |
Bridger Pipeline, LLC |
Missouri River |
2020-07-01 |
Roosevelt
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Rosebud
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Sanders
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Anthony R. Rucinski |
Clark Fork River |
2022-01-03 | |
Forest Service |
Little Thompson River |
2016-06-23 | |
Forest Service |
Weeksville Creek (Clark Fork Basin) |
2016-06-22 | |
Forest Service |
Thompson River | 2016-06-21 |
Sheridan
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Silver Bow
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Stillwater
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Sweet Grass
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Teton
Water Right Number | Applicant's Name | Source of Water | Date Posted |
Midway Colony |
Groundwater aquifer of the Teton River system |
2021-09-09 | |
Midway Colony |
Groundwater aquifer of the Teton River system |
2021-09-09 | |
41O-30103564 | Robert E. Stephens | Deep Creek | 2015-12-31 |
Toole
Water Right Number | Applicant's Name | Source of Water | Date Posted |
41P 30150125 |
Big Rose Colony |
Unnamed Tributary of the Marias River / Stormwater |
2022-03-07 |
41P 30117451 |
City of Shelby |
Unconfined aquifer of the Marias River Alluvium |
2020-11-20 |
41P 30114262 & 41P 30116656 |
City of Shelby |
Unconfined aquifer of the Marias River Alluvium |
2020-11-20 |
41N 30109842 |
Wesley and Fred Fenger |
Strawberry Creek |
2017-06-27 |
Treasure
Water Right Number | Applicant's Name | Source of Water |
Date Posted |
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Valley
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Wheatland
Water Right Number | Applicant's Name | Source of Water | Date Posted |
40A 30105384 |
Dan & Sandra DeBuff |
Groundwater |
2018-07-31 |
Wibaux
Water Right Number | Applicant's Name | Source of Water | Date Posted |
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Yellowstone
Water Right Number | Applicant's Name | Source of Water | Date Posted |
HWW, LLC |
Bighorn River |
2022-05-16 |