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Nevada Southern Detention Center

Nevada Southern Detention Center

Customer base: U.S. Marshals Service - Facility Type: Medium, Owned since 2010
2190 East Mesquite Avenue, Pahrump, NV 89060
Phone: 775-751-4500 Fax: 775-751-8763

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John Mattos, Warden

Facility Leader: John Mattos, Warden

John Mattos was named warden at Nevada Southern Detention Center in July 2025. Warden Mattos began his career with the Hawaii Department of Public Safety in 1993 and worked in various capacities until leaving in 1999 to attend Arizona Correctional Academy where he completed the Correctional Officer Training Academy. In 2003, he reported to Fort Bliss to serve as a consultant and subject matter expert on a corrections mission in Iraq for the Department of Justice. In 2004 he returned to the Arizona Department of Corrections and was eventually promoted to warden in 2018 until his retirement in 2024.

Facility PREA Information

The following information is provided in accordance with PREA (Prison Rape Elimination Act of 2003). Learn more

Compliance Manager: Ramiro Melendrez, AW

 

Third Party Reporting Method(s):

 

Call:

Nevada Southern Detention Center at 775-751-4504

For United States Marshal Service inmates call

Toll Free Number 1-280-869-4499 Department of Justice

For ICE detainees call the ICE Detention Reporting and Information Line: 1-888-351-4024

 

Write:

Warden's Office

Nevada Southern Detention Center

2190 East Mesquite Ave

Pahrump, NV 89060

 

United States Marshal Service

Office of Inspector General

950 Pennsylvania Ave, Room 4706
Washington, DC 20537

 

CALL:

CoreCivic Ethics and Compliance Hotline: 1-800-461-9330, or www.corecivic.com/ethicsline

 

Facility PREA Policy (14-2): Download

PREA Audit Date or Scheduled Audit Date: February 21-23, 2022

PREA Audit Report: Download

PREA Audit Date or Scheduled Audit Date: September 28-30, 2020

PREA Audit Report: Download

PREA Audit Date or Scheduled Audit Date: July 24-26, 2017

PREA Audit Report: Download

PREA Audit Date or Scheduled Audit Date: March 2-4, 2015

PREA Audit Report: Download

For media inquiries, please contact the Public Affairs team at PublicAffairs@CoreCivic.com.