FLOOD08986

• Designation Number: 336
• County: Boulder
• Community: Unincorporated Boulder County
• Basin: South Platte
• Title: Review Report - FIS - Boulder County, Colorado, Unincorporated Areas
• Date: 7/1/1988
• Designation Date: 11/1/1992
• Floodplain - Doc Type: Educational/Technical/Reference Information

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.

.

8,

Map Accuracy:

FINDING:

/..

statement on map "This map complies
with National Map Accuracy Stand~rd~",
field checked l:?y - ~av "":Ji:'f:-~
on cuU C-J7'1--. "'-dJ i'ltr

S6c.~ 10

1
,
I
1
I

Topographic base mapping ____ meets _____ does not meet the minimum
standards of ____ Rule 5,A, (detailed) or Rule 6,A, (approx.)

B.

Hydrologic Analysis
I~I Detail- Rule 5

1.

Frequency includes: ~/

2,

Methodology used:

~o
<~ /~\\O
il' j",}
\ "tV \, a
\ :~/7,V '\ b:
6~ '; c,
d,

3, Drainage Basin
Conditions:

4, Work in Progress:

5, Detention Characters:

-7-

1='

Approximate -

Ru Ie 6 , \
, , \ \./ rJouU-v
/j.. i7v",lG (l-; /r\
II '-)L'"''"I
(" '1"'1, ttcVovc-'"
, 0 (J

~-

Io-year
50-year
1Oo-year
500-year

(not

I c;\L~) 1

requ ired)

....-'
~

years of record available

gage years
gage years
gage years
Streamflow records over 50 years etc,
Streamflow records 25 to 50 years ate,
Streamflow records 16 to 24 years etc,
Streamflow records less than 10 years etc.
regional skew
mixed population
combined rain and snow
historic flood of
comparison with similar watershed(s)
synthetic analysis using rainfall runoff
model
precipitation records

conditions in 12 months
/ future urbanization likely
foreseeable development

complete within 12 months
adequate progress

government body owned with a executed
legal agreement (in compliance)
privately owned with no written legal
agreement (not in compliance)