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

Initial and Continuing Eligibility Inspections of levee systems

9,'
No riprap displacement or stone degradatio could pose an immediate threat to the integrity of
channel banl,- Riprap intact with no woody vegetation present

For use during

A

Riprap
Revetments &
Bank
Protection

Minor riprap displacement or stone degradation that could pose an immediate threat to the integrity
of the channel bank. Unwanted vegetation must be cleared or sprayed with an appropriate

herbicide.

Significant riprap displacement, exposure of bedding, or stone degradation observed. Scour
U activity is undercutting banks, eroding embankments, or impairing channel flows by causing
turbulence or shoaling. Rock protection is hidden by dense brush, trees, or grasses.
NfA There is no riprap protecting this feature ofthe system, or riprap is discussed in another section.
A Existing

M

N/A

is prop_erly maintained, undamaged, and clearly visible.

MiAor-revetment displacement or deteriorntion that !Ioes notpos~anjmmediate tbreauo t1K
integrity of the levee. Unwanted vegetation must be cleared or sprayed with an appropriate
herbicide.

revetment _protection

Revetments
than

-<lthe:
Riprap

3

Significant revetment displacement, deterioration, or exposure of bedding observed. Scour activity
is undercutting banks, eroding embankments, or impairing channel flows by causing turbulence or
shoaling. Revetment protection is hidden by dense brush and trees
There are no such revetments protecting this feature of the system.

M

U

N/A

Toe drainage systems and pressure relief wells necessary for maintaining FDR system stability
during high water functioned properly during the last flood event and no sediment is observed in
horizontal system (if applicable). Nothing is observed which would indicate that the drainage
systems won't function properly during the next flood, and maintenance records indicate regular
cleaning. Wells have been pumped tested within the past 5 years and documentation is provided.

NfA

A

4. Undersecpage
ReliefWellsJ
Toe Drainage

Toe drainage systems or pressure rei ief wells are damaged and may become clogged if they are not
repaired. Maintenance records are incomplete or indicate irregular cleaning and pump testing.
Toe drainage systems or pressure relief wells necessary for maintaining FDR system stability
during flood events have fallen into disrepair or have become clogged. No maintenance records.
No documentation of the required pump testing.
There are no reliefwellsf toe drainage systems along this component of the FDR system.

M

u

N/A

Systems

No evidence or history of unrepaired seepage, saturated areas, or boils.
Evidence or history of minor unrepaired seepage or small saturated areas at
toe but not on the landward slope of levee. No evidence of soil transport.
Evidence or histo

NfA
A

5. Seepage

or beyond the landside

A

Levee Embankments
Page 4 of 4

FDR = Flood Damage Reduction

or boils.
Applicable.

Flood Damage Reduction System
Inspection Report

N/A = Not

M

U
M = Minimally Acceptable;

Key: A = Acceptable.

US Army Corps
of Engineers..