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Colstrip, Montana
Sign upon entering Colstrip
Sign upon entering Colstrip
Official seal of Colstrip, Montana
Seal
Motto(s): 
Tomorrow's Town Today
Location of Colstrip, Montana
Location of Colstrip, Montana
Country United States
State Montana
County Rosebud
Incorporated (city) 1998
Government
 • Type Mayor-Council
Area
 • Total 4.05 sq mi (10.49 km2)
 • Land 4.05 sq mi (10.48 km2)
 • Water 0.01 sq mi (0.02 km2)
Elevation
3,202 ft (976 m)
Population
 (2020)
 • Total 2,096
 • Density 518.04/sq mi (200.04/km2)
Time zone UTC-7 (Mountain (MST))
 • Summer (DST) UTC-6 (MDT)
ZIP code
59323
Area code(s) 406
FIPS code 30-16525
GNIS feature ID 2410199

Colstrip is a city in Rosebud County, Montana, United States. In 2020, about 2,096 people lived there.

Colstrip was started in 1924 and became an official city in 1998. It is the biggest city in Rosebud County. The main jobs in Colstrip are coal mining and making electricity. In 2005, Sports Illustrated magazine said Colstrip was the best sports town in Montana. Every year, the community celebrates "Colstrip Days" just before the 4th of July.

History of Colstrip

Colstripdraglines
Open pit strip mining at Colstrip's Rosebud Mine

Colstrip began in 1924. It was a "company town" built by the Northern Pacific Railway. This meant the railway company owned most of the town. They needed coal for their steam locomotives (trains). The coal was dug up using "open pit strip mining." This is where giant machines called draglines remove the soil to get to the coal underneath.

During The Second World War, the Colstrip mine was very important. It provided coal for trains carrying military supplies. Because of this, the mine was guarded, and workers were not allowed to quit their jobs.

In 1958, trains started using diesel fuel instead of coal. So, the Colstrip mine closed down. But in 1959, a company called Montana Power Company bought the mine and the town. They planned to build power plants that would burn coal to make electricity.

Building the Power Plants

The power plants were built in the 1970s and 1980s. During this time, Colstrip became a "boomtown." This means its population grew very quickly because many people moved there for construction jobs. The first two power plants started working in 1975 and 1976. The third and fourth plants opened in 1984 and 1986.

Colstripplants
Colstrip Power Plants 1-4 from right to left

In 1974, a large lake called Castle Rock Lake was finished. It's about 150 acres big. The Colstrip power plants use steam to make electricity from coal. Water for the steam comes from the Yellowstone River through an underground pipe, about 30 miles long. This water is stored in Castle Rock Lake. The lake is now home to many fish and other wildlife.

In 1990, another power plant, the Colstrip Energy Limited Project, started working. It's about six miles north of Colstrip. This plant was special because it used waste coal.

In 1998, the main power plants (1-4) were sold to new companies, including PPL Corporation and Puget Sound Energy. The Rosebud Coal Mine was also sold. In the same year, Colstrip officially became a city.

Recent Changes

In 2015, the Colstrip plants became part of a new company called Talen Energy.

ISS013-E-29260
The Rosebud mine in 2006, seen from the International Space Station

In 2016, Puget Sound Energy agreed to close two of the coal-burning units (1 and 2) by 2022. This was due to concerns about greenhouse gas emissions (gases that can warm the planet). Units 3 and 4 were planned to stay open.

In June 2019, Talen Energy said they would close two units by the end of the year. The power plant was a big source of greenhouse gases in the U.S.

In January 2020, Unit 1 stopped working, and Unit 2 stopped on January 4. Units 3 and 4 are still running but are expected to close within the next five years.

In 2023, another company, Avista, gave its share of the plant to NorthWestern Energy for free. This happened because a law in Washington state bans electricity made from coal.

Geography

Colstrip covers about 4.47 square miles of land. The city has 30 parks and 300 acres of green space. The coal mining area is a few miles west of town.

About 23 miles south of Colstrip is Deer Medicine Rocks. This is a special place with ancient rock carvings and paintings on sandstone cliffs. The area around Colstrip has many rolling hills and sandstone formations. You can often see deer and pronghorn (a type of antelope) here.

Climate

Colstrip has a semi-arid climate. This means it's usually dry, but not a desert. It gets some rain, but not a lot.

Climate data for Colstrip, Montana, 1991–2020 normals, extremes 1927–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 69
(21)
72
(22)
81
(27)
90
(32)
99
(37)
108
(42)
110
(43)
111
(44)
102
(39)
94
(34)
80
(27)
74
(23)
111
(44)
Mean maximum °F (°C) 57.0
(13.9)
58.9
(14.9)
69.5
(20.8)
77.6
(25.3)
83.4
(28.6)
92.0
(33.3)
98.2
(36.8)
97.2
(36.2)
93.3
(34.1)
81.5
(27.5)
67.8
(19.9)
57.3
(14.1)
99.8
(37.7)
Mean daily maximum °F (°C) 35.8
(2.1)
37.1
(2.8)
47.1
(8.4)
55.4
(13.0)
64.9
(18.3)
74.9
(23.8)
85.0
(29.4)
84.0
(28.9)
76.4
(24.7)
58.1
(14.5)
45.9
(7.7)
36.6
(2.6)
58.4
(14.7)
Daily mean °F (°C) 24.7
(−4.1)
26.1
(−3.3)
35.5
(1.9)
43.7
(6.5)
53.4
(11.9)
62.9
(17.2)
71.1
(21.7)
69.6
(20.9)
59.6
(15.3)
45.9
(7.7)
34.8
(1.6)
26.0
(−3.3)
46.1
(7.8)
Mean daily minimum °F (°C) 13.5
(−10.3)
15.1
(−9.4)
23.9
(−4.5)
31.9
(−0.1)
41.9
(5.5)
50.8
(10.4)
57.2
(14.0)
55.2
(12.9)
45.8
(7.7)
33.7
(0.9)
23.6
(−4.7)
15.3
(−9.3)
34.0
(1.1)
Mean minimum °F (°C) −12.3
(−24.6)
−7.2
(−21.8)
2.9
(−16.2)
17.1
(−8.3)
27.5
(−2.5)
39.0
(3.9)
46.8
(8.2)
43.8
(6.6)
32.2
(0.1)
16.6
(−8.6)
2.2
(−16.6)
−7.9
(−22.2)
−19.4
(−28.6)
Record low °F (°C) −42
(−41)
−50
(−46)
−28
(−33)
−13
(−25)
13
(−11)
28
(−2)
34
(1)
33
(1)
5
(−15)
−8
(−22)
−32
(−36)
−38
(−39)
−50
(−46)
Average precipitation inches (mm) 0.65
(17)
0.69
(18)
0.95
(24)
1.92
(49)
3.14
(80)
2.48
(63)
1.42
(36)
1.03
(26)
1.43
(36)
1.44
(37)
0.69
(18)
0.56
(14)
16.4
(418)
Average snowfall inches (cm) 7.4
(19)
7.3
(19)
5.5
(14)
3.3
(8.4)
0.5
(1.3)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.2
(0.51)
2.3
(5.8)
3.9
(9.9)
6.2
(16)
36.6
(93.91)
Average precipitation days (≥ 0.01 in) 6.7 6.4 7.6 9.0 11.8 10.5 7.0 5.5 5.8 7.4 6.2 5.6 89.5
Average snowy days (≥ 0.1 in) 5.5 5.3 3.3 1.4 0.2 0.0 0.0 0.0 0.1 1.1 2.4 4.4 23.7
Source 1: NOAA
Source 2: National Weather Service

People in Colstrip

Historical population
Census Pop.
2000 2,346
2010 2,214 −5.6%
2020 2,096 −5.3%
U.S. Decennial Census

The number of people living in Colstrip has changed over the years. Before it became a city in 1998, it was counted as a "census-designated place."

2010 Census Facts

In 2010, there were 2,214 people living in Colstrip. There were 863 households (groups of people living together). Most people were White (84.7%), with Native American people making up 9.0% of the population. About 4.3% of the people were Hispanic or Latino.

About 35.9% of households had children under 18. Most households (61.8%) were married couples. The average age in the city was 38.1 years old. About 28.2% of residents were under 18.

Education

Colstrip Public Schools teach students from kindergarten to 12th grade. The highest school is Colstrip High School. Their sports teams are called the Colts and Fillies.

The closest college is Chief Dull Knife College in Lame Deer. Colstrip is about 20 miles north of the Northern Cheyenne Indian Reservation. Many Cheyenne students from the reservation go to Colstrip High School. They make up about one-third of the students.

Colstrip also has a library called the Bicentennial Library.

Fun Things to Do

ColstripCastleRockLake1
Castle Rock Lake near Colstrip

Colstrip has many fun things to do. You can go boating and fishing on Castle Rock Lake. This lake was made for the power plants. You can catch fish like bluegill, bass, walleye, and pike there. There's also a 3.2-mile path around the lake for walking or biking. You can also find a picnic area and a beach for swimming.

The Colstrip Parks and Recreation District (CPRD) offers sports programs for kids and adults. These include golf, soccer, basketball, and baseball. CPRD has a weight room, a cardio room, and two gyms. They also take care of the city's bike paths.

Getting Around

Highway 39 goes through Colstrip.

The Colstrip Airport (FAA ID: M46) is a public airport about 3 miles southwest of town. For bigger flights, the nearest commercial airport is Billings Logan International Airport, which is about 124 miles west.

The Colstrip Medical Center provides basic healthcare for the community.

News and Radio

The Independent Press newspaper, based in Forsyth, covers news for Colstrip and all of Rosebud County.

Colstrip has two radio stations. KMCJ is part of Your Network of Praise, and KYPC is part of Yellowstone Public Radio.

Famous People from Colstrip

  • Tuff Harris — He played safety for the Pittsburgh Steelers in American football. He played football at Colstrip High School.
  • Wally McRae — A cowboy poet who won a special award in 1990 for his work.

See also

Kids robot.svg In Spanish: Colstrip (Montana) para niños

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