FLOOD10136

• Designation Number: 114
• County: Chaffee
• Community: Poncha Springs
• Stream Name: South Arkansas River/Poncha Creek
• Basin: Arkansas
• Title: FIR - South Arkansas River/Poncha Creek, Poncha Springs, CO
• Date: 3/1/1978
• Designation Date: 11/1/1978
• Prepared By: WRC, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

I
I I
I
I I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I

TABLE 1

STREAM FLOW MEASURING STATIONS

Drainage Period
Runoff Station Area of Recorded
Gaging Station Number (Sq.Miles) Flows
I
Arkansas River at Buena Vista 7-872 611 1965-1975
Cottonwood Creek near Buena Vista 7-890 65 1912-1923 I
1950-1975
Chalk Creek (Upper Station) near 7-900 48 I
St. Elmo 1914-1919
Chalk Creek near St. Elmo 7-905 83 1911-1915 I
Chalk Creek near Nathrop 7-910 97 1950-1956 I
1971-1976
Arkansas River near Nathrop 7-912 1060 1965-1975 I
Arkansas River at Salida 7-915 1218 1895; 1897
1899-1903 I
1910-1975
South Arkanasa River at Poncha 7-920 140 1911-1917 I
1970-1973
Poncha Creek at Poncha 7-930 56 1912-1917 I
South Arkansas River near Salida 7-935 208 1922-1923 I
1929-1940
1971-1976
Arkansas River near Wellsvil1e 7-937 1485 1961-1975 I
I

10'
9
.
7
6
,
J
- ,
en
...
u
~ 2
~
g
...
102
:ol: 9
C .
... 7
CL
6
,
4
,
2

-17-

9
8
7
6
,

4

,

2

10
10

5 6 7 8 9 103

5 6 7 8 9 }O2

4

2

,

DRAINAGE

AREA

(SQ. MI.)

FIGURE-I

2

,

4

COl.ORAOO WATER CONSERVATION BOARD
TOWN OF PONCHA SPRINGS
CHAFFEE COUNTY, COLORADO

PEAK FLOW-AREA-FREQUENCY
CURVES

WATER RESOURCES CONSULTANTS, INC.

MARCH 1978

-18-