Campus Alert Archive
USU

Student's Chemical Experiment Fills Dorm Floor with Hydrochloric Acid Gas, Forcing Subzero Evacuation

UThazmatemergency notificationhigh confidence
Confirmed Threat

On January 16, 2025, a USU student released hydrochloric acid gas throughout the first floor of Mountain View Tower dormitory, covering the floor in a 'fog or vaporous substance.' The entire building was evacuated in subzero temperatures, displacing residents for hours. Joshua Peter Jager, 20, was arrested and charged with causing a catastrophe. The FBI Joint Terrorism Task Force was called in during questioning.

Alerts
2
Response
—
Killed
—
Injured
—
Institution
Utah State University
Public R1 · UT
~28,000 studentsAggie Alert
Confirmed Timeline

Alert Sequence

2 messages in sequence · 1 verified verbatim

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTSMS
Verified verbatimUtah Statesman (USU student newspaper) quoting the 9:15 PM MST USU Housing text alert160 chars
If there is anybody still in Mountain View Tower above the second floor please shelter in place. Chemical spill on first floor being investigated by HazMat Team
Floor-specific direction — students above the second floor told to shelter in place rather than evacuate immediately, separating them from the contamination zone
First-floor chemical spill identified explicitly; the chemical (hydrochloric acid gas) was not yet confirmed and was not named
No 'USU Alert' prefix — the message reads as direct USU Housing communication rather than a formal emergency alert format
Sent at 9:15 PM MST, about an hour after first-floor residents began reporting fumes around 8:15 PM MST
UPDATEmulti-channel
Approximate reconstruction239 chars
USU ALERT UPDATE: A student has been arrested in connection with the hazmat incident at Mountain View Tower. The building remains closed while hazmat teams continue decontamination. Displaced residents are being provided temporary housing.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The student, Joshua Peter Jager, 20, was arrested late Thursday night
Police had found a cache of chemicals in his dorm room just three days earlier after he set off a fire alarm
Chemicals found included silver nitrate, potassium carbonate, and numerous other substances
Context

Background

On the evening of January 16, 2025, a hazardous materials situation at Utah State University's Mountain View Tower forced the evacuation of the entire dormitory in subzero temperatures. Student Joshua Peter Jager, 20, allegedly released hydrochloric acid gas throughout the first floor, covering it in a 'fog or vaporous substance.' The university reported that Logan Fire, hazmat teams, USU Police, and multiple USU entities responded to evacuate the building. KSL reported that campus police had found a cache of chemicals — including silver nitrate and potassium carbonate — in Jager's dorm room just three days earlier after he set off a fire alarm. Jager was arrested and charged with Class A misdemeanor causing a catastrophe and was banned from campus. The FBI Joint Terrorism Task Force joined the questioning but Jager denied any terroristic ideologies, stating he had 'made a mistake' by bringing chemicals to his dorm. The Herald Journal and Cache Valley Daily provided local coverage.
Analysis

Key Findings

Campus police had found chemicals in the student's dorm three days before the hazmat incident but the student was not removed — raising questions about the university's response to early warning signs
The FBI Joint Terrorism Task Force was called in during questioning, reflecting the seriousness of deliberate chemical release in a residential building
Residents were displaced for hours in subzero temperatures, highlighting the compound danger of hazmat evacuations in winter climates
Outcome
Joshua Peter Jager was arrested and charged with Class A misdemeanor causing a catastrophe and disorderly conduct. He was banned from campus. Chemicals had been found in his dorm three days earlier after a fire alarm. FBI JTTF joined the investigation but found no terrorism ties.
Provenance

Sources

  1. News
    USU student charged with causing HAZMAT catastrophe (KUTV)
    kutv.com
  2. Official
    University Continues to Address Mountain View Tower Incident (USU Today)
    usu.edu
  3. News
    Arrest made after USU hazmat evacuation (KSL TV)
    ksltv.com
  4. News
    Chemicals found in USU dorm days before HAZMAT evacuation (KSL)
    ksl.com
  5. News
    Hazmat situation leads to mass evacuations at USU (Cache Valley Daily)
    cachevalleydaily.com
Tags
hazmatchemical-spillhydrochloric-aciddormitorystudent-arrestfbi-jttfutahsubzero-evacuationearly-warning-failure
Added April 2026Updated May 2026Via ingestion