Water Quality Variations and Trends in Monument and Fountain Creeks

• Description: ARCA
• State: CO
• State: KS
• Basin: Arkansas
• Water Division: 2
• Date: 1/1/1993
• Author: Barbara C. Ruddy, U.S. Geologic Survey, Colorado Springs Department of Utilities
• Title: Water Quality Variations and Trends in Monument and Fountain Creeks
• Water Supply Pro - Doc Type: Report/Study

Table 9.- -SI-ry statistics for streamflow and selected water - quality properties an d constituents at
water - quality station 07105500 Fountain Creek at Colorado Springs
[ft /s, cubic feet per second; pS /cm, microsiemens per centimeter at 25 degrees Celsiu OC, d Celsius; mg /L, milligrams per liter; by
pg /L, micrograms per liter; /100 mL, colonies per 100 milliliters; - , no
Helsel and Cohn (1988); <, less than]
Mean Standard Lower Median Upper Maximum
deviation quartile quartile
uartile
70
150
3.0
Number
Period
583
Number
of
of
Property or constituent
Units
of
censored
record
7.9
values
values
(water year)
Instantaneous streamflow
ft /s
306
0
0
1976 -88
1976 -88
Specific conductance
NS /cm
standard
283
139
0
1976 -88
PH
°C
285
0
1976 -88
Water temperature
mg /L
141
0
1976 -88
Dissolved oxygen
/L
15
0
1976 -84
Hardness as calcium
mg
130
71
14
carbonate
mg /L
15
0
1976 -84
Dissolved calcium
mg /L
15
0
1976 -84
Dissolved magnesium
mg /L
110
0
1977 -88
Dissolved chloride
mg /L
98
0
1977 -88
Dissolved sulfate
mg /L
133
0
1977 -88
Suspended solids
mg /L
139
0
1976 -88
Nitrite plus nitrate as
0.66
0.02
0.13
0.33
nitrogen
N Total ammonia as nitrogen
mg /L
139
15
1976 -88
1976 -88
j Un- ionized ammonia as
mg /L
1'19
0
10
nitrogen
Total ammonia plus organic
mg /L
97
1
1976 -88
nitrogen
Total organic nitrogen as
mg /L
86
1
1976 -88
nitrogen
mg /
<1
4
1976 -82
Total phosphorus
Ng/
99
72
1976 -88
Total cadmium
Total recoverable copper
pg /L 179
70
150
1977 -88
Dissolved iron
N8/
11
11
0
1976 -88
1976 -88
Total recoverable iron
Ng /L
105
100
12
1976 -88
Total recoverable lead
Ng /L
10
4
1976 -88
Dissolved manganese
Ng /L
Ng /L
81
123
0
1976 -88
Total recoverable manganese
/L
230
310
1981 -83
Total recoverable nickel
Ng
24
1
1976 -83
Total selenium
Ng /L
/L
103
0
1976 -88
Total recoverable zinc
pg
mg /L
125
0
1976 -88
5 -day biochemical oxygen
demand
Total coliform bacteria
/100 ML
15
0
1984 -85
1976 -88
Fecal coliform bacteria
/100 ML
99
3
0
1984 -88
Fecal streptococcus bacteria /100 ML
48
Mean Standard Lower Median Upper Maximum
deviation quartile quartile
uartile
70
150
3.0
18
33
583
208
152
435
592
7.9
0.3
6.7
7.7
7.9
13.0
8.1
0.0
5.0
13
9.3
1.7
6.2
8.0
9.1
200
64
98
152
210
56
17
29
43
59
14
5.5
6.3
10
15
20
11
4.1
13
19
130
71
14
68
120
266
353
1
62
149
1.6
0.76
0.30
1.0
1.4
0.42 E
1.33 E
<0.01
9.03
0.08
0.0065
0.015
0.000020 0.00067 0.0017
1.1 E
0.74 E
<0.20
0.60
0.90
0.87 E
0.53 E
<0.01
0.54
0.76
0.50
0.66
0.02
0.13
0.33
0.67 E
0.55 E
<1
0.53 E
0.71 E
12 E
10 E
<1
6
10
160 E
390 E
<10
17
30
6,300
8,400
200
2,000
4,300
16 E
29 E
<1
4
64 E
52 E
<10
30
50
250
240
70
150
200
6E
3E
<1
4
6
3E
1
<1
2
3
70
60
10
40
60
4.2
4.5
0.20
1.5
3.0
6,900
20,000
230
310
1,400
470 E
730 E
<4
50
180
900
1,200
50
180
400
63
1,630
700
1,280
8.1
8.6
20.0
28.5
10.6
13.5
260
290
72
80
19
2
24
100
160
390
316
2,210
2.1
3.9
0.27
14
0.0044 0.13
1.4
3.8
1.0
3.4
0.58
4.6
0.97
E 4
14
83
70
2,500
6,900
69,000
19
250
80
290
260
2,300
8
16
4
7
80
460
5.6
29
2,400
80,000
520
3,600
980
5,500
Water- lob
quality
stand-
ard'
6.5_9.0
5.0
250
600
10
10
200
300
50
150
200
10
2,000
2,000
'For stream segment 2 (Colorado Department of Health, 1989).