FLOOD10620 ‎(2)‎

• County: Boulder
• Community: Boulder County and Incorporated Areas
• Title: FIS - Boulder County and Incorporated Areas - Vol 4
• Date: 10/4/2002
• Prepared For: Boulder County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

TABLB OF CONTENTS (Cont'd)

Volume 1 (Cont'd)

Paae

FIGURBS

Figure 1 - Bear Creek at Upstream Pace of Broadway Culvert
Looking South, City of Boulder ............ 15
Figure 2 - Bear Creek at Intersection of Table Mesa Drive and
Harvard Lane, Just Upstream of Broadway, City of
Boulder ....................... 15
Figure 3 - Fou~ile Canyon Creek Upstream of 57th Street,
Looking Borth, City of Boulder ............ 16
Figure 4 - Fou~ile Canyon Creek at Borth .Boulder Farmers
Ditch Plume, Looking Upstre.., City of Boulder .... 16
Figure 5 - Historic Plooding, Flood of May 1969, Town of
J ame I town ...................... 18
Figure 6 - Historic Plooding, Flood of May 1969, Town of
J aIDe. town ...................... 18
Figure 7 ."- Historic Plooding, Flood of May 1969, Town of
J ame a town ...................... 19
Figure 8 - Historic Flooding, Flood of May 1969, Town of
J aJDe a town ...................... 19
Figure 9 - View South fro. Colorado and Southern Railroad
Depot, St. Vrain Creek, June 1921 .......... 22
Figure 10 - Loomiller Baain at 5th Avenue and Main Street,
Looking North, June 1921 ............... 22
Figure 11 - Looking Toward Roosevelt Park, Loomiller Basin,
June 1921 ...................... 23
Figure 12 - View.South Along Main Street, Loomiller Basin,
August 3, 1972 .................... 23
Figure 13 - Mobile Home Park Threatened by St. Vrain Creek,
May 7, 1969 ..................... 24
Pigure 14 - Lefthand Creek at South Pratt Parkway Bridge,
May 8, 1969 ..................... 24
Figure 15 - Lefthand Creek at South Pratt Parkway Bridge,
May 8, 1969 ................... 25
Pigure 16 - Inundation of South Pratt Parkway Bridge by
Lefthand Creek, May 8, 1979 .... . . . . . . 25
Figure 17 - Historic Flooding, Town of Lyons ...... 28
Figure 18 - Historic Flooding, Town of Lyons ....... . . 28
Figure 19 - Historic FloOding, Town of Lyons ........... 29
Figure 20 - Historic Flooding, Town of Lyons ........... 29
Figure 21 - Floodway Schematic .................. 72

TABLES

Table 1 - Streams Studied by Detailed Methods . . . . . . . . . . 7
Table 2 - Historic Flood Peak Discharges and Stages at
Lyons Gage, St. Vrain Creek . . . . . . . . . . . . . . 35
Table 3 - Historic Flood Peak Discharges'and Stages at
Nederland (Recorded on Middle Boulder Creek) . . . 36

ii