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USGS
Water Resources of Colorado


ARKANSAS RIVER BASIN

07105800 FOUNTAIN CREEK AT SECURITY, CO

LOCATION (REVISED).--Lat 38°43'46", long 104°44'00", in NE14SW14 sec.24, T.15 S., R.66 W., El Paso County, Hydrologic Unit 11020003, on right bank 20 ft downstream from Carson Road Bridge at Security, 0.9 mi southwest of South Security School, 3.5 mi northeast of Fountain, and 5.5 mi upstream from Jimmy Camp Creek. Prior to Mar. 24, 2003, at site 20 ft upstream on left bank.

DRAINAGE AREA.--495 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1964 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07105800

REVISED RECORDS.--WDR CO-85-1: 1984 (M).

GAGE.--Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 5,640 ft above NGVD of 1929, from topographic map.
July 19, 1972 to Feb. 20, 1980, at site 880 ft downstream at datum 1.00 ft higher. Prior to July 19, 1972, and from Feb. 21, 1980 to Mar. 23, 2003, at site 20 ft upstream on left bank; prior to July 19, 1972, and from Feb. 21, 1980 to June 30, 1986, at datum 7.00 ft higher; July 1, 1986 to Feb. 6, 1995, at datum 4.00 ft higher; Feb 7, 1995 to Nov. 29, 1995, at datum 3.00 ft higher; Nov. 30, 1995 to Apr. 4, 2001, at datum 2.00 ft higher; and Apr. 14, 2001 to
Mar. 23, 2003, at present datum.

REMARKS.--Records fair except for June 19, Aug. 31, and estimated daily discharges, which are poor. Natural flow of stream affected by storage reservoirs, power developments, transmountain diversions, diversions for irrigation and municipal use, ground-water withdrawals, return flows from irrigated areas, and flows from sewage treatment plants.

Discharge, cubic feet per second 
WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAY
OCT
NOV
DEC
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
1

62

97

66

57

86

162

110

107

151

77

70

93

2

110

106

66

55

85

165

111

110

94

68

70

117

3

58

101

65

60

88

130

112

113

102

64

96

171

4

50

92

62

60

87

107

113

131

242

62

116

104

5

46

87

56

57

94

98

134

138

225

61

83

88

6

44

85

55

57

86

96

200

133

75

65

76

123

7

40

84

59

55

85

93

120

131

96

65

73

116

8

44

82

60

57

85

103

111

133

66

60

77

105

9

86

80

58

56

84

96

105

126

88

61

112

93

10

84

79

57

50

88

101

91

171

105

62

92

89

11

79

82

61

51

87

98

77

114

103

62

84

97

12

75

81

65

57

87

97

76

111

82

65

108

e95

13

74

81

63

55

93

98

75

111

111

67

70

e98

14

70

79

65

54

108

98

73

118

270

64

67

e99

15

63

74

64

54

91

99

80

147

149

70

63

e85

16

57

69

62

51

89

102

87

165

140

74

65

76

17

57

69

59

52

91

119

82

111

283

70

66

75

18

59

65

55

52

89

219

86

106

258

61

78

e78

19

57

63

54

53

133

155

103

110

773

100

81

75

20

58

65

53

55

105

155

98

121

385

136

74

74

21

59

60

53

69

96

139

99

116

114

64

76

75

22

62

60

54

90

95

114

169

109

89

62

75

77

23

73

65

53

91

95

110

262

113

79

e65

83

77

24

66

65

56

95

90

159

225

108

78

64

85

74

25

65

68

50

92

93

211

96

225

83

63

125

76

26

72

65

49

92

100

113

78

112

323

65

82

79

27

213

68

57

92

107

103

73

83

129

131

159

83

28

100

68

61

83

133

101

80

64

93

402

159

81

29

81

67

59

81

---

102

107

59

100

157

186

84

30

85

67

57

82

---

104

110

67

97

77

295

86

31

91

---

55

82

---

109

---

112

---

68

913

---

TOTAL

2,240

2,274

1,809

2,047

2,650

3,756

3,343

3,675

4,983

2,632

3,859

2,743

MEAN

72.3

75.8

58.4

66.0

94.6

121

111

119

166

84.9

124

91.4

MAX

213

106

66

95

133

219

262

225

773

402

913

171

MIN

40

60

49

50

84

93

73

59

66

60

63

74

AC-FT

4,440

4,510

3,590

4,060

5,260

7,450

6,630

7,290

9,880

5,220

7,650

5,440

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1965 - 2003, BY WATER YEAR (WY)
MEAN

83.6

75.9

64.9

69.2

76.8

88.5

124

211

188

123

136

87.8

MAX

317

198

168

146

156

195

738

1,131

886

381

561

231

(WY)

(1985)

(2000)

(2000)

(1998)

(2000)

(2000)

(1999)

(1999)

(1997)

(1995)

(1999)

(1999)

MIN

12.6

15.1

17.8

11.9

14.1

21.3

23.7

24.7

17.8

30.1

23.5

13.1

(WY)

(1965)

(1965)

(1976)

(1976)

(1972)

(1965)

(1978)

(1966)

(1968)

(1972)

(1974)

(1968)

SUMMARY STATISTICS
FOR 2002 CALENDAR YEAR
FOR 2003 WATER YEAR
WATER YEARS 1965 - 2003
ANNUAL TOTAL
32,867
36,011
ANNUAL MEAN
90.0
98.7
111
HIGHEST ANNUAL MEAN
355 1999
LOWEST ANNUAL MEAN
31.5 1968
HIGHEST DAILY MEAN
792 Jul 6
913 Aug 31
e11,000 Apr 30, 1999
LOWEST DAILY MEAN
40 Oct 7
40 Oct 7
1.9 Mar 1, 1965
ANNUAL SEVEN-DAY MINIMUM
53 Oct 3
53 Oct 3
4.2 Feb 25, 1965
MAXIMUM PEAK FLOW
a7,100 Aug 31
b25,000 Jul 24, 1965
MAXIMUM PEAK STAGE
7.38 Aug 31
c11.30 Jul 24, 1965
ANNUAL RUNOFF (AC-FT)
65,190
71,430
80,320
10 PERCENT EXCEEDS
113
138
198
50 PERCENT EXCEEDS
83
84
78
90 PERCENT EXCEEDS
60
57
25

e Estimated.
a From rating curve extended above 6,520 ft3/s on basis of slope-area measurement of peak flow at gage height 7.18 ft.
b From slope-area measurement of peak flow. Flood of May 30, 1935, may have been larger.
c From floodmarks, site and datum then in use.


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Water Resources of Colorado
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