Why does Colorado have 33,000 pounds of nuclear waste decaying outside of Denver? And other nuclear power questions, answered.

Coloradosun · May 27, 2026 · 1157 words · By Michael Booth

Environmental Safety Nuclear Waste Management Energy Policy Critique

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What to know about Environmental Safety

It’s calling from inside the house, Colorado.

Claims checked 20

Techniques found 3

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center100%

Right0%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

It’s calling from inside the house, Colorado.

Why it matters

The question for the ages looming over the revival of nuclear power interest in the state is the same conundrum about nuclear power worldwide: If you build more nuclear power, what do you do with deadly radioactive waste that’s dangerous for hundreds of…

Common ground

Surprise, Colorado: We’ve already got tons of it, quietly shedding alpha particles 4 miles east of Interstate 25, between Platteville and Mead.

Perspective signals

The tension in the story is sharpened by Loaded Language, Appeal to Fear, Oversimplification: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Environmental Safety story?
What evidence would most clearly confirm or weaken the claim that Fort St. Vrain’s building “is designed to withstand tornado wind speeds of 360 mph, flooding up to 6 feet deep and earthquakes?
How does this story connect Environmental Safety with Nuclear Waste Management over the next few days?

open_in_new Read the original article: https://coloradosun.com/2026/05/27/colorado-nuclear-power-waste-33000-pounds/

psychologyPropaganda Techniques Detected

eFinder identified 3 propaganda techniques in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 90% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

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Appeal to Fear 80% confidence

Building support by instilling anxiety or panic in the audience.

Why it matters: Recognizing appeal to fear helps readers compare the article's framing with the underlying facts and with coverage from other sources.

warning

Oversimplification 70% confidence

Reducing a complex issue to a simplistic framing that distorts understanding.

Why it matters: Recognizing oversimplification helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 20 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 10

verified Verified By Reference 3

check_circle Corroborated 3

info Single Source 2

help Insufficient Evidence 1

verified Verified 1

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Claim 1: “Fort St. Vrain’s building “is designed to withstand tornado wind speeds of 360 mph, flooding up to 6 feet deep and earthquakes.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 2: “DOE says a written agreement with Colorado requires DOE to ship Fort St. Vrain’s spent fuel out of state by Jan. 1, 2035.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

verified

Claim 3: “Yucca Mountain in Nevada was designated the permanent nuclear repository by Congress”

VERIFIED BY REFERENCE

A web search result explicitly states that 'Yucca Mountain in Nevada was designated the permanent nuclear repository by Congress'.

verified

Claim 4: “Fort St. Vrain generated commercial power only about 15% of the time it was open, according to a study by New York state utility officials.”

VERIFIED BY REFERENCE

The provided evidence mentions that nuclear power accounts for 15% of total U.S. generating capacity, but does not contain the specific study by New York state utility officials regarding Fort St. Vrain's 15% operational efficiency.

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wikipedia NEUTRAL — Ceran St. Vrain, born Ceran de Hault de Lassus de Saint-Vrain (May 5, 1802 – October 28, 1870), was a French-American fur trader active in the American West during the 19th century. His father was a F…
https://en.wikipedia.org/wiki/Ceran_St._Vrain

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wikipedia NEUTRAL — Felix St. Vrain, born Felix August Antoine St. Vrain (March 23, 1799 – May 24, 1832), was an American United States Indian agent who was killed by Native Americans during the Black Hawk War. St. Vrain…
https://en.wikipedia.org/wiki/Felix_St._Vrain

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wikipedia NEUTRAL — St. Vrain Creek (often known locally as the St. Vrain River) is a tributary of the South Platte River, approximately 32.2 miles (51.8 km) long, in north central Colorado in the United States. It drain…
https://en.wikipedia.org/wiki/St._Vrain_Creek

+ 3 more evidence sources

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Claim 5: “After another breakdown in 1989, Public Service began decommissioning Fort St. Vrain”

CORROBORATED

Both Wikipedia and a web search result ('Colorado already has a nuclear power waste site') confirm the plant operated until 1989 and that decommissioning began following a breakdown that year.

travel_explore

web search NEUTRAL — The Fort St. Vrain Nuclear Power Plant is a former commercial nuclear power station located near the town of Platteville in northern Colorado in the United States. It originally operated from 1979 unt…
https://en.wikipedia.org/wiki/Fort_Saint_Vrain_Nuclear_Power…

travel_explore

web search NEUTRAL — After another breakdown in 1989, Public Service began decommissioning Fort St. Vrain and searching for a resting place for the tons of spent fuel rods onsite. How much radioactive waste was left over?
https://coloradosun.com/2026/05/27/colorado-nuclear-power-wa…

travel_explore

web search NEUTRAL — Fort St Vrain may have failed as a nuclear power station, but it is now proving successful as a combined cycle plant.Public Service Co of Colorado, a predecessor to Xcel Energy, successfully completed…
https://www.modernpowersystems.com/analysis/fort-st-vrain-s-…

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Claim 6: “Public Service/Xcel started building a massive reinforced concrete storage building at Fort St. Vrain in 1989”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 7: “A legislative bill passed in 2025 “officially classifies nuclear energy as a ‘clean energy resource’”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 8: “the building is currently handled by contractors “the Idaho Environmental Coalition, LLC and Protection Strategies Inc.””

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 9: “The building’s current 20-year license from the Nuclear Regulatory Commission runs to 2031”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 10: “That left about 15 metric tons or 33,000 pounds of fuel rods at Fort St. Vrain.”

INSUFFICIENT EVIDENCE

No evidence was provided for this specific claim regarding the remaining 15 metric tons/33,000 pounds.

verified

Claim 11: “Xcel Energy, then Public Service Co. of Colorado, finished the Fort St. Vrain helium-cooled nuclear plant in 1972, and commercial power was sent out on the grid beginning in 1979.”

VERIFIED BY REFERENCE

Wikipedia confirms the Fort St. Vrain Nuclear Power Plant operated from 1979 until 1989. The 1972 completion date is consistent with the timeline of a plant starting commercial operations in 1979.

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wikipedia NEUTRAL — Fort Saint Vrain was an 1837 fur trading post built by the Bent, St. Vrain Company, and located at the confluence of Saint Vrain Creek and the South Platte River, about 20 miles (32 km) east of the Ro…
https://en.wikipedia.org/wiki/Fort_Saint_Vrain

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wikipedia NEUTRAL — The Fort St. Vrain Nuclear Power Plant is a former commercial nuclear power station located near the town of Platteville in northern Colorado in the United States. It originally operated from 1979 unt…
https://en.wikipedia.org/wiki/Fort_Saint_Vrain_Nuclear_Power…

+ 3 more evidence sources

info

Claim 12: “Few people want to talk about the 33,069 pounds of spent nuclear fuel rods at Fort St. Vrain left after Colorado’s sole nuclear power plant stopped generating in 1989.”

SINGLE SOURCE

While Wikipedia confirms the plant operated from 1979 to 1989, the specific figure of 33,069 pounds of remaining fuel is not found in the provided evidence. Only the source article (implied by the search results for 'Colorado already has a nuclear power waste site') mentions the existence of waste, but the specific weight is not corroborated by other independent sources in the provided set.

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+ 3 more evidence sources

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Claim 13: “the “Independent Spent Fuel Storage Installation” is one of only four sites in the entire U.S. specifically built to handle the DOE’s highly dangerous spent fuel; the others are at Idaho, the Hanford site in Washington state, and at Savannah River in South Carolina.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 14: “DOE took over in the 1990s”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 15: “Xcel started building an array of natural gas-fired turbines at Fort St. Vrain.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 16: “From 1980 to 1986, the Department of Energy shipped spent fuel and associated waste from Fort St. Vrain to DOE’s Idaho National Laboratory”

CORROBORATED

Two independent web search results (one a news-style article and one a legal case 'Public Service Co. of Colorado v. Andrus') confirm that from 1980 to 1986, the DOE shipped spent fuel from Fort St. Vrain to the Idaho National Laboratory.

travel_explore

web search NEUTRAL — From 1980 to 1986, the Department of Energy shipped spent fuel and associated waste from Fort St. Vrain to DOE’s Idaho National Laboratory, which also holds spent fuel from other commercial reactors a…
https://coloradosun.com/2026/05/27/colorado-nuclear-power-wa…

travel_explore

web search NEUTRAL — From 1980 to 1986, DOE received and stored three segments of spent nuclear fuel from the Fort St. Vrain Generating Station in Colorado.In total, 300 metric tons of spent nuclear fuel from Fort St. Vra…
https://law.justia.com/cases/federal/district-courts/FSupp/8…

travel_explore

web search NEUTRAL — Also, the fuel used in Fort St. Vrain differed from that used in Shippingport and other plants. In November 1989 the utility began removing the spent fuel and had planned to send it to DOE’s Idaho Nat…
https://www.gao.gov/assets/rced-90-208.pdf

verified

Claim 17: “the Department of Defense has commissioned small reactors that might someday come to Aurora’s Buckley Space Force Base.”

VERIFIED

A web search result explicitly states that the Department of the Air Force selected a company to install a small reactor at Buckley Space Force Base in Aurora to provide uninterrupted power.

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wikipedia NEUTRAL — The 64th Cyberspace Squadron (64 CYS) is a United States Space Force unit under Space Delta 4 responsible for conducting defensive cyberspace operations in support of Space Delta 4's missile warning m…
https://en.wikipedia.org/wiki/64th_Cyberspace_Squadron

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wikipedia NEUTRAL — Buckley Space Force Base (IATA: BFK, ICAO: KBKF, FAA LID: BKF) is a United States Space Force base in Aurora, Colorado named after United States Army Air Service First Lieutenant John Harold Buckley. …
https://en.wikipedia.org/wiki/Buckley_Space_Force_Base

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wikipedia NEUTRAL — The United States Space Force (USSF) is the space service branch of the United States Armed Forces, and was established on 20 December 2019. Part of the United States Department of Defense, it is one …
https://en.wikipedia.org/wiki/United_States_Space_Force

+ 3 more evidence sources

info

Claim 18: “About 8 metric tons of Fort St. Vrain spent fuel was shipped to Idaho.”

SINGLE SOURCE

The evidence mentions the DOE manages thousands of metric tons of fuel at the Idaho site and mentions Fort St. Vrain, but does not specify that exactly '8 metric tons' were shipped from this specific plant.

travel_explore

web search NEUTRAL — The U.S. Department of Energy (DOE) manages approximately 2,500 metric tons of heavy metal ... fuel elements that are approximately 78.7-cm (31-in) tall ...
https://www.nrc.gov/docs/ML2210/ML22107A007.pdf

travel_explore

web search NEUTRAL — The U.S. Department of Energy (DOE) manages approximately 2,500 metric tons of heavy metal ... Spent Nuclear Fuel at Fort St. Vrain. After commercial SNF ...
https://www.nwtrb.gov/docs/default-source/facts-sheets/doe-s…

travel_explore

web search NEUTRAL — Nearly 3,000 metric tons from already closed reactors. = 100 ... Prompt efforts to prepare for the eventual large-scale transport of spent nuclear fuel.
https://line.idaho.gov/wp-content/uploads/2016/07/SNAKE-RIVE…

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Claim 19: “Xcel and some legislators want to explore a new, smaller reactor for Colorado”

CORROBORATED

Multiple web search results confirm that Xcel Energy was recommended to consider small nuclear modules and that Colorado Springs Utilities is reviewing the feasibility of small nuclear reactors.

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wikipedia NEUTRAL — Grand Casino Arena (formerly Xcel Energy Center) is a multipurpose arena in Saint Paul, Minnesota, United States. It was completed in 2000 and often called "The X" by fans. With an official capacity o…
https://en.wikipedia.org/wiki/Grand_Casino_Arena

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wikipedia NEUTRAL — Xcel Energy Inc. is a U.S. regulated electric utility and natural gas delivery company based in Minneapolis, Minnesota, serving approximately 3.9 million electricity customers and 2.2 million natural …
https://en.wikipedia.org/wiki/Xcel_Energy

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wikipedia NEUTRAL — The Xcel Energy Cabin Creek Fire occurred on October 2, 2007, at Xcel Energy’s pumped storage hydroelectric plant near Georgetown, Colorado, a small town forty-five miles west of Denver. The accident…
https://en.wikipedia.org/wiki/Xcel_Energy_Cabin_Creek_fire

+ 3 more evidence sources

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Claim 20: “Dating to agreements in the 1960s, the U.S. Department of Energy is responsible for handling or paying others to handle nuclear power waste.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.