FLOOD03860

• County: Jefferson
• Community: Jefferson County Unincorporated
• Basin: South Platte
• Title: Flood Insurance Rate Maps - Panel 625
• Date: 7/4/1989
• Prepared For: Jefferson County
• Prepared By: FEMA
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

JOINS PANEL 0550

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24

ZONE A

29

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CHEESMAN
LAKE

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ZON E D

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JEFFERSON COUNTY
PARK COUNTY

KEY TO MAP

SOO-Year Flood Boundary--~
1 OO-Y ear Flood Boundary

Zone Designations

100-Year Flood Boundary------~

SOO-Year Flood Boundary---------

21

Base Flood Elevation Line
With Elevation In Feet**

513

Base Flood Elevation in Feet
Where Uniform Within Zone**

(EL 987)

Elevation Reference Mark

RM7X

Zone D Boundary

River Mile

-M1.5

**Referencecl to the National Geodetic Vertical Datum of 1929

EXPLANATION OF ZON E DESIGNATIONS

ZONE
A

EXPLANA TION

AO

Areas of lOa-year flood; base flood elevations and
flood hazard factors not determined.

Areas of laO-year shallow flooding where depths
are between one (1) and three (3) feet; average depths
of inundation are shown, but no flood hazard factors
are determined.

Areas of lOa-year shallow flooding where depths
are between one (1) and three (3) feet; base flood
elevations are shown, but no flood hazard factors
are determined.

Areas of 100'year flood; base flood elevations and
flood hazard factors determined.

Areas of laO-year flood to be protected by flood
protection system under construction; base flood
elevations and flood hazard factors not determined,

Areas between limits of the lOa-year flood and 500-
year flood; or certain areas subject to laO-year flood-
ing with average depths less than one (1) foot or where
the contributing drainage area is less than one square
mile; or areas protected by levees from the base flood.
(Medium shading)

Areas of minimal flooding. (No shading)

Areas of undetermined, but possible, flood hazards.

Areas of lOa-year coastal flood with velocity (wave
action); base flood elevations and flood hazard factors
not determ ined.

Areas of lOa-year coastal flood with velocity (wave
action); base flood elevations and flood hazard factors
determined.

AH

A1-A30

A99

B

C
D
V

V1-V30

NOTES TO USER

Certain areas not in the special flood hazard areas (zones A and V)
may be protected by flood control structures.

This map is for flood insurance purposes only; it does not neces-
sarily show all areas subject to flooding in the community or
all planimetric features outside special flood hazard areas,

For adjoining map panels, see separately printed Index To Map
Panels.

INITIAL IDENTIFICATION:
NOVEMBER 22,1974

FLOOD HAZARD BOUNDARY MAP REVISIONS:
JULY 5, 1977

FLOOD INSURANCE RATE MAP EFFECTIVE:
AUGUST 5,1986

Refer to the FLOOD INSURANCE RATE MAP EFFECTIVE date
shown on this map to determine when actuarial rates apply to
structures in the zones where elevations or depths have been estab-
lished.

To determine if flood insurance i:- available in this community,
contact your insurance agent, or call the National Flood Insurance
Program, at [phone].

.

APPROXIMATE SCALE IN FEET
2000 0 2000
r--F=--1 1----1 I

__ NATIONAL FLOOD INSURAN

I
FLOOD

JEFFERSON COUNTY,
COLORADO
(UNINCORPORATED AREAS)

El OF 650

(SEE MAP INDEX FOR PANELS NOT PRINTED)

Federal Emergency