FLOOD11736

• County: Morgan
• Community: Wiggins
• Stream Name: Kiowa Creek
• Basin: South Platte
• Title: Flood Damage Reduction System Inspection Report - Wiggins
• Date: 10/30/2007
• Floodplain - Doc Type: Floodplain Report/Masterplan

Levee Embankments
For use during Initial and Continuing Eligibility Inspections oflevee systems

<"

See photos for approximate locations.
The soil cement between Station 10+00

that must be repaired to

is observed on the landward or riverward sides of the levee that might

No erosion or bank caving

u

6. Erosion! Bank
Caving

endanger its stability.
There are areas where minor erosion is occurring or has occurred on or near the levee
embankment, but levee integrity is not threatened.
Erosion or caving

A

The erosion or caving has progressed
levee foundation and has coml'romised the ~ foundation stability. __

A No observed depressions in crown. Records exist and indicate no unexplained historical changes.

M Minor irregularities

Obvious variations
desil!:n elevation is

& 20+00 needs to be repaired. 2005

M

u

included information on repair.

is occurring or has occurred that threatens the stability and integrity of the levee.
into the levee section or into the extended footprint of the

u

7. Settlement

See photos for locations. Repair by
filling ruts with suitable soil, compact
re-seed area.

that do not threaten integrity of levee. Records are incomplete or inclusive.
in elevation over significant reaches. No records exist or records indicate that

compromised.
shallow ruts, pot holes, or other depressions on the levee. that are unrelated to
levee crown, embankments, and access road crowns are well established and
ponded water.

There are scattered,
levee settlement. The

u

A

8. Depressions!
Rutting

&

drain properly without any

A

A

There are some infrequent minor depressions less than 6 inches deep in the levee crown,
embankme that will pond water.

There are de] reater than 6 inches dee ond water,
Minor longitudinal, transverse, or desiccation cracks with no vertical movement
No cracks extend continuously through the levee crest.
Longitudinal and/or transverse cracks up to 6 inches in depth with no vertical movement along the
crack. No cracks extend continuously through the levee crest. Longitudinal cracks are no longer
then the height of the levee.

along the crack.

M

U
A

M

9. Cracking

longer than the height of the levee
Transverse cracks extend through the entire

Cracks exceed 6 inches in depth. Longitudinal cracks are
and/or exhibit vertical movement along the crack.
levee width.

A

u

There appears to be no animal control
plan. Need to start one to eridicate ant
hills & rodents. Animal Control is an
on-going problem that needs a program
that is applied at least yearly.

the elimination of active

The existing animal burrow control program needs to be improved. Several burrows are present
which may lead to seepage or slope stability problems, and they require immediate attention.
Animal burrow control program is not effective or is nonexistent. Significant maintenance is
required to fill existing burrows, and the levee will-not provide reliable flood protection unt
maintenance is complete.
Maintenance

program in place that includes
in of existing burrows.

Continuous animal burrow control
burrowing and the filling

A

M

u

O. Animal Control

this

u

FDR = Flood Damage Reduction

Applicable.

N/A = Not

U = Unacceptable.

is required.

M = Minimally Acceptable;

Key: A'" Acceptable.

Levee Embankments
Page 2 of 4

and whenever there are obvious visual settlements.

Flood Damage Reduction System
Inspection Report

Detailed survey elevations are normally required during Periodic Inspections,

US Army Corps
of Engineers.