Classification of Dams
The design, inspection, and maintenance criteria for a dam are based on its classification. In Nebraska, dams are classified by their size and their hazard potential.
NRCS Technical Release 210-60 – Earthen Dams and Reservoirs
The design guidelines for major dams are outlined in NRCS Technical Release 210-60 – Earth Dams and Reservoirs (March 2019).
NRCS Conservation Practice Standard – Pond 378
The design guidelines for farm ponds are outlined in NRCS Conservation Practice Standard – Pond 378 for Nebraska (January 1995).
Requirements for Approval of Farm Pond Dams Constructed Before 2005
Unapproved farm pond dams constructed before September 4, 2005 are required to meet minimum structural, condition, and application requirements to receive Department approval.
NOAA Atlas 14 Point Precipitation Frequency Estimates
The updated precipitation frequency estimates should be used when designing dams in Nebraska.
Nebraska Probable Maximum Precipitation (PMP) Study Report and Appendix F, Short Storm List Storm Analysis
In 2008, a State-Wide PMP Study was completed. The values listed in the report may be used for the design of dams in Nebraska.
NRCS Design Note 6 - Riprap Lined Plunge Pool for Cantilever Outlet
NRCS Design Note 6 provides guidance for the design of a riprap lined plunge pool for a cantilever outlet.
NRCS Technical Release 18 – Computation of Joint Extensibility Requirements
Guidance for computing the joint separation that will occur along conduits as a result of consolidation of the foundation under the conduit during and after construction.