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Table 7.--Suazrary statistics for streamflow and selected water-quality properties and constituents at water-quality station 07104905 ~onument Creek at Bijou Street at Colorado Springs {ftJ/s, cubic feet per second; ~S/cm, microsiemens per centimeter at 25 degrees Celsius; oC, degree Celsius; mg/L, milligrams per liter; ~g/L, micrograms per liter; 1100 mL, colonies per 100 milliliters; ---, no stream standard; E, estimated using methods describtd by Helsel and Cohn (1988); <, less than) Property or constitutnt N "" Instantaneous streamflow Specific conductance pH Water temperature Dissolved oxygen Hardness as calcium carbonate Dissolved calcium Dissolved magnesium Dissolved chloride Dissolved sulfate Suspended solids Nitritt plus nitrate as ni trogen Total ammonia as nitrogen Un-ioniztd ammonia as nitrogen Total ammonia plus organic nitrogen Total organic nitrogen as nitrogen Total pbosphorus Total cadmium Total recoverablt copptr Dissolved iron Total recoverable iron Total recoverable lead Dissolved manganese Total recoverable manganese Total recoverable nickel Total selenium Total recoverable zinc 5-day biochemical oxygen demand Total colifo~ bacteria Fecal coliform bacteria Fecal streptococcus bacteria Units ft3/s ~S/cm standard .C ms/L ms/L ms/L ms/L mglL ms/L mglL mglL mglL ms/L ms/L ms/L ms/L ~S/L ~S/L ~S/L ~S/L ~S/L ~S/L ~S/L ~S/L ~S/L ~s/L ms/L /100 mL /100 mL /100 mL Number of values 100 100 95 100 9S 12 12 12 69 69 99 100 20 94 95 78 9S 95 SI 95 23 23 94 81 16 53 49 Number of censored va lues 99 84 10 o Period of record (wattr year) o o o o o o 1980-88 1980-88 1980-88 1980-88 19S0-88 1981-82 lFor stream segment 7 (Colorado Department of Health, 1989). 90 81 o 65 o 13 I 9 37 o o o 1 o o o o o I o 1981-82 1981-82 19S3-88 I9S3-88 1980-88 1980-88 1980-88 1980-88 1981-88 o 1981-88 1980-82 1980-88 1980-88 1981-88 1980-88 1980-88 1981-88 1980-88 1981-83 1981-83 1980-88 1980-88 o 4 1 1984-85 1980-88 1984-88 47 478 8,0 12.6 9.2 190 58 12 16 95 463 [ 1.9 0.15 E 0.0034 1.2 [ 1.0 0.28 0.7 [ 18 40 [ 11 ,000 18 [ 11 [ 210 8 3 80 [ 3.8 6,100 920 [ 1,800 E Hean Standard deviat.ion 87 141 0,3 8,8 2,0 50 15 3.4 8.4 40 613 [ 1.06 0.19 E 0.0038 0.72 [ 0.62 0.17 0.7 [ 23 60 [ 14,000 19 [ 7 [ 310 4 I 80 [ 3.2 20,000 2,400 E 5,200 E Hinimum 7.5 130 7.2 0,0 5,3 120 37 6,8 3,7 22 <1 0.12 Lower quartile 16 380 7.8 5.1 7.6 137 42 8.0 12 64 146 1.0 25 480 8.1 13,0 9,0 210 64 14 15 99 282 1.8 <0.01 0.03 0.000050 0.00088 <0.20 0.07 <1 4 <10 <10 5 10 3 1 <10 0,5 130 <4 38 0,01 0.16 0.49 [ 9 10 3,900 6 6 [ 120 5 2 40 1.5 440 28 190 0.70 0.61 0,23 0.71 [ 11 20 6,800 12 9 170 8 3 50 2.7 1,200 170 500 Hedian Upper quartile 46 587 S.2 19.2 11.0 240 72 14 18 120 516 2.5 0.07 0.0024 1.0 0,85 0.39 1 18 40 12,000 22 10 280 10 4 80 5.0 1,600 640 1,350 Haximum 800 755 8.5 31.5 13.2 260 75 17 61 180 3,460 5.8 0.18 0.0042 1.1 0,023 1.5 4,2 1.2 3.8 0,65 6 150 530 86,000 110 30 2,200 21 6 500 19 80,000 16,000 35,000 Wa t.e r- quality stand- ard1 '0 .... ~ W 6.5-9.0 5,0 250 250 10 0.1 2 7 300 8,200 30 50 1,000 100 10 60 2,000