Dam Safety

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Technical Resources & References

Classification of Dams image

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.

Classification of Dams

Earthen Dams and Resrvoirs cover

NRCS Technical Release No. 60 – Earthen Dams and Reservoirs

The design guidelines for major dams are outlined in NRCS Technical Release No. 60 – Earth Dams and Reservoirs (July 2005).

Earth Dams and Reservoirs Conservation TR–60

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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).

NRCS Conservation Practice Standard – Pond 378

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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.

Requirements for Approval of Farm Pond Dams Constructed Before 2005

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NOAA Atlas 14 Point Precipitation Frequency Estimates

The updated precipitation frequency estimates should be used when designing dams in Nebraska.

NOAA Atlas 14 Point Preceipitation Frequency Estimates

PMP

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.

Nebraska PMP Study

Nebraska PMP Study Appendix F

NRCS Design note 6

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 Design Note 6 - Riprap Lined Plunge Pool for Cantilever Outlet

NRCS Technical Release 18

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.

NRCS Technical Release 18 – Computation of Joint Extensibility Requirements

 

construction crew building dam

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