Utah · Area of Critical Environmental Concern
South Hills
BLM's map records no relevance finding for this one. BLM's records place 1 right of way inside the line today, and three grazing allotments cover part of it. It covers 1,994 acres and was designated December 21, 2016, in the St George Field Office RMP Amendment. In the plan's name, RMP stands for resource management plan.
One of the 1,120 places the Bureau of Land Management has designated an Area of Critical Environmental Concern. This page shows its line, what BLM found there and what sits inside it.
The line
The rights of way
1 right of way sits inside the line. BLM files 1 under other energy facilities.
- PACIFICORP DBA UPL1right of way
Grazing allotments
3 grazing allotments cover part of this line. Their permittees aren't named here yet.
- Curly Hollow28,055acres
- Boomer Hill4,631acres
- Santa Clara Creek2,963acres
The nearest areas
- Red BluffUtah · 6,166 acres · 1 right of way, 3 grazing allotments covering part of it2miles
- Santa Clara River / Land HillUtah · 1,664 acres · 4 rights of way, 3 grazing allotments covering part of it2miles
- Lower Virgin RiverUtah · 1,806 acres · 3 grazing allotments covering part of it7miles
- StatelineUtah · 1,410 acres · 3 rights of way, 2 grazing allotments covering part of it8miles
- Webb HillUtah · 520 acres · 8 rights of way8miles
Next to it
Red Bluff Area of Critical Environmental Concern touches the line.
More from BLM's Utah office
Every area BLM's Utah office holdsThe proposed rule
A proposed rule, RIN 1004-AF53, would change how BLM drafts every land use plan, and how it designates ACECs like South Hills. The comment window hasn't opened: the proposed rule wasn't in the Federal Register at our last check. The Watch sends one email the day it prints.
The rule's abstract
The purpose of this rulemaking is to establish in regulations an updated process for the approval of the development, revision, amendment, and maintenance of land use plans, as provided for by the Federal Land Policy and Management Act of 1976, for public lands administered by the Bureau of Land Management (BLM). Additionally, this rulemaking will provide clarification of the process the BLM uses for designating Areas of Critical Environmental Concern.Unified Agenda entry for RIN 1004-AF53, Publication ID 2026, reginfo.gov (OMB OIRA), read Oct 18, 2026