Decision Memo Completed

Sunday Gulch USGS Stream Gage

Black Hills National Forest Pennington, South Dakota Hell Canyon Ranger District

Special use authorization to include this Hell Canyon Ranger District location in the operation and maintenance for an early warning, flash flood streamgage for Pennington County Emergency Management in Pennington County, SD

Location

Near Sunday Gulch stream: project is located on the south side of Highway 87, approximately 1/4 mile south of the junction of Highway 87 and Palmer Ck Road.

Project timeline

1
Scoping Start
06/09/2025
2
Decision
06/2025 (Estimated)
3
Implementation
06/2025 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (3), 36 Cfr 220.6(E)(3)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivitySpecial Use Authorizations
Sunday Gulch USGS StreamgageDecision Signed Date: 06/18/2025
ForestsBlack Hills National Forest
DistrictsHell Canyon Ranger District
Legal Land DescriptionT2S R4E Sec 13
Special use management