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Guideline · 2026 Manual

§ 2Q1.4.

Tampering or Attempted Tampering with a Public Water System; Threatening to Tamper with a Public Water System

United States Sentencing Commission · Effective November 1, 2026

(a) Base Offense Level (Apply the greatest):

(1) 26;

(2) 22, if the offense involved (A) a threat to tamper with a public water system; and (B) any conduct evidencing an intent to carry out the threat; or

(3) 16, if the offense involved a threat to tamper with a public water system but did not involve any conduct evidencing an intent to carry out the threat.

(b) Cross References

(1) If the offense resulted in death, apply §2A1.1 (First Degree Murder) if the death was caused intentionally or knowingly, or §2A1.2 (Second Degree Murder) in any other case, if the resulting offense level is greater than that determined above.

(2) If the offense was tantamount to attempted murder, apply §2A2.1 (Assault with Intent to Commit Murder; Attempted Murder) if the resulting offense level is greater than that determined above.

(3) If the offense involved extortion, apply §2B3.2 (Extortion by Force or Threat of Injury or Serious Damage) if the resulting offense level is greater than that determined above.

(c) Special Instruction

(1) If the defendant is convicted of a single count involving (A) the death, permanent or life-threatening bodily injury, or serious bodily injury of more than one victim; or (B) conduct tantamount to the attempted murder of more than one victim, subsection (b) of §3D1.1 (Procedure for Determining Offense Level on Multiple Counts) shall be applied as if the defendant had been convicted of a separate count for each such victim.

Commentary

Statutory provisions

Statutory Provision: 42 U.S.C. § 300i-1.

Application Notes:

1. Definitions.—For purposes of this guideline, “permanent or life-threatening bodily injury” and “serious bodily injury” have the meaning given those terms in Note 1 of the Commentary to §1B1.1 (Application Instructions).

2. Application of Special Instruction.—Subsection (c) applies in any case in which the defendant is convicted of a single count involving (A) the death or permanent, life-threatening, or serious bodily injury of more than one victim; or (B) conduct tantamount to the attempted murder of more than one victim, regardless of whether the offense level is determined under this guideline or under another guideline in Chapter Two (Offense Conduct) by use of a cross reference under subsection (b).

Historical note

Effective November 1, 1987. Amended effective November 1, 1989 (amendment 206); November 1, 2003 (amendment 655); November 1, 2025 (amendment 836); November 1, 2026 (amendments 837 and 840).

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From the United States Sentencing Commission's 2026 Guidelines Manual, effective November 1, 2026. This site is an independent presentation of the Commission's text, not affiliated with the Commission.

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