FLOOD10207

• Designation Number: 503
• County: Jefferson
• Community: Unincorporated Jefferson County
• Stream Name: Woman Creek, Walnut, Upper Big Dry and Rock Creek
• Basin: South Platte
• Title: Drainage & Flood Control Master Plan - Rocky Flats Plant
• Date: 4/1/1992
• Designation Date: 9/1/1999
• Floodplain - Doc Type: Floodplain Report/Masterplan

Table Number

II-I

III-I

I1I-2

I1I-3

I1I-4

I1I-S

I1I-6

IV-I

IV-2

IV-3

IV-4

IV-S

IV-6

IV-?

IV-S

LIST OF TABLES

Title

Modelling Parameters for Existing
Conditions of Main Drainage Basins. . . . . . . . . . . . . . . . . .

Drainage Basin Characteristics for Woman
Creek, Walnut Creek, Upper Big Dry Creek

and Rock Creek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Walnut Creek at Indiana Street Aggregate
Basin Characteristics .............................

Woman Creek at Indiana Street Aggregate
Basin Characteristics .............................

Upper Dry Creek at Indiana Street
Aggregate Basin Characteristics .....................

Pond Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Comparison of Nederland and Valmont

Soil Series .....................................

Rocky Flats Plant Site 2-Hour Storm

Distribution .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rocky Flats Plant Site 6-Hour Storm

Distribution .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Channel Configurations Used in SWMM

Modelling .....................................

SWMM Channel Lengths . . . . . . . . . . . . . . . . . . . . . . . . . .

Peak Flow and Runoff Volume at Selected
Locations (Present) ..............................

Peak Flow and Runoff Volume at Selected
Locations (Future) '" . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of Peak Flow and Runoff Volume
for SWMM Elements (Present) .....................

Summary of Peak Flow and Runoff Volume
For SWMM Elements (Future) .....................

~
II-3 Table Number
IV-9
I1I-3
IV-lO
III-S
IV-ll
III-S
IV-12
III-6
III-6 IV-13

III-IO

IV-14

IV-4

V-I

IV-4

V-2

IV-?

V-3

IV-S

V-4

IV-ll

VII-I

VII-2

IV-12

VII-3

IV-13

VII -4

VII-Sa

IV-14

VII-Sb

LIST OF TABLES (Cont'd)

Title

Comparison of 100-Year Peak Flow
Master Plan, ASI, UDFCD, USACE

Comparison of Total Runoff Volume
Master Plan, ASI, UDFCD, USACE

Flood Inflow to Standley Lake and Great
Western Reservoir Estimated from CUHP and

SWMM .......................................

100-Year Point Precipitation (inches)
for Long-Term Storms ............................

Storms of Record Total Rainfall and
One-Hour Peak Intensity ..........................

Total Runoff Volume to the A- and B-Series

Ponds ........................................

Irrigation Ditches and Associated Water

Rights ........................................

Assumed 100- Year Flood Discharges from

Coal Creek ....................................

Irrigation Ditch Owners and Operators . . . . . . . . . . . . . . . .

Coal Creek Ditch Operational

Characteristics ..................................

Core Area Drainage Basin Characteristics .............

Core Area HydroCAD Reach Characteristics ...........

Core Area Detention Pond Characteristics .............

Core Area Summary of Link Characteristics . . . . . . . . . . . .

Core Area Basin Peak Runoff Table (Present) ..........

Core Area Basin Peak Runoff Table (Future) . . . . . . . . . . .

~

IV-16

IV-16

IV-IS

IV-IS

IV-IS

IV-19

V-2

V-2

V-3

V-4

VII-S

VII-6

VII-6

VII-6

VII-S

VII-S