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

Inspections of levee systems

For use during Initial and Continuing Eligibility

No riprap displacement or stone degradat that could pose
channel bank. Riprap intact with no woody vegetation present

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

A

&

Bank
Protection

herbicide.
Significant riprap displacement, exposure of bedding, or stone degradation observed. Scour
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.
There is discussed in another section.

M

N/A

u

or riprap

Existing revetment protection is properly maintained, undamaged, and clearly visible.
Minor revetment displacement or deterioration that does not pose an immediate threat to the
integrity of the levee. Unwanted vegetation must be cleared or sprayed with an appropriate
herbicide.

is no riprap protecting this feature of the system,

N/A
A

3. Revetments
other than
Riprap

M

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.
NI A There are no such revetments protecting this feature of the system.

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.

A

4. Underseepage
Relief Wellsl
Toe Drainage
Systems

Toe drainage systems or pressure reliefwells are damaged and may become clogged if they are not
repaired. Maintenance records are incom"lete 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 relief wells/ toe drainage systems along this component of the FDR system.
No evidence or saturated areas, or boils.

M

u

N/A

history of unre!laired seepage,

N/A
A

5. Seepage

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

A

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Page 4 of 4

FDR = Flood Damage Reduction

extensive saturated areas, or boils.
N/A = Not Applicable.

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Inspection Report

M

U
M = Minimally Acceptable;

A = Acceptable.

rf.ii'F.il
~
us Army Corps
of Engineers.

Key: