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Federal Correctional Institution · Three Rivers, Texas

FCI Three Rivers

Security level
Medium + minimum camp
Medical care level
1 of 4
Mental health care level
1 of 4
Population
1,161
Phone
361-786-3576

Last checked: November 3, 2026 (BOP documents for this prison) Intel last checked: November 3, 2026 BOP status updated: Nov 3, 2026, 9:20 pm ET News updated: Nov 3, 2026, 3:10 pm ET

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Three Rivers at a glance

Three Rivers is a medium-security federal prison (FCI) for men, with a minimum-security satellite prison camp next to it. The handbook says it is on Highway 72, across the highway from Choke Canyon reservoir, in Three Rivers, Texas. The FCI has four general population units. The camp has two open-dorm housing units.

How many people
908 in the FCI and 253 at the camp (BOP, October 29, 2026).
Medical care level 1
Generally healthy people under 70 who need to see a clinician only every 6 to 12 months. Examples the BOP gives: mild asthma, diet-controlled diabetes, well-controlled high blood pressure. Click here to read the source: BOP "Institution Care Levels for Medical Assignment," February 13, 2024 (released under FOIA 2024-03455) ↗
Mental health care level 1
No regular mental health care. People with a major mental illness, or who take antipsychotic medication, are not ordinarily classified at this level. The BOP does not post care levels on its website. This list is dated February 13, 2024 and came out through a public records request. Click here to read the source: BOP "Institution Care Levels for Medical Assignment," February 13, 2024 (released under FOIA 2024-03455) ↗
Who is there
Men. On the first day of the 2025 audit, ages ran from 18 to 70. Click here to read the source: PREA audit report, FCI Three Rivers (onsite July 15 to 17, 2025) ↗
Built for
The handbook gives a rated capacity of 1,056 at the FCI and 256 at the camp. The audit gives different numbers (792 at the FCI and 256 at the camp). Click here to read the source: FCI Three Rivers Admission and Orientation Handbook (updated August 5, 2026) ↗
Average stay
445.9 days at the FCI and 373.5 days at the camp. Click here to read the source: PREA audit report, FCI Three Rivers (onsite July 15 to 17, 2025) ↗
Counts
At least five counts every 24 hours. They must stand at their bedside for the 4:00 p.m. and 9:15 p.m. counts on weekdays, and for the 10:00 a.m., 4:00 p.m. and 9:15 p.m. counts on weekends and holidays. Click here to read the source: FCI Three Rivers Admission and Orientation Handbook (updated August 5, 2026) ↗

The BOP's own page for FCI Three Rivers.