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<br />Table 8.--Summary statistics for streamflow and selected water-quality properties and constituents at <br />water-qtalitg station 07103100 Fountain Creek near Colorado Springs <br /> <br />Iftl/s, cubic feet per second; ~S/cm. microsiemeos per centimeter at 25 degrees Celsiusj oC, degree Celsius; mg/L, milligrams per liter; <br />~g/L. micrograms per liter; 1100 mL, colonies per 100 milliliters; ---, no stream standard; E, estimated using methods described by <br />Helsel and Cohn (1988); <, less than; --, insufficient data) <br /> <br />Property or constituent. <br /> <br />N <br />'" <br /> <br />IostantaneoUB streamflow <br />Specific conductance <br />pH <br />Water temperature <br />Dissolved oxygen <br />Hardness as calcium <br />carbonate <br />Dissolved calcium <br />Dissolved magnesium <br />Dissolved chloride <br />Dissolved sulfate <br />Suspended solids <br />Nitrite plus nitrate as <br />nitrogen <br />Total ammoDia as Ditrogen <br />Un-ionized ammonia as <br />nitrogen <br />Total ammonia plus organic <br />nitrogen <br />Total organic nitrogen as <br />nitrogen <br />Total phosphorus <br />Total cadmium <br />Total recoverable copper <br />Dissolved iron <br />Total recoverable irOD <br />Total recoverable lead <br />Dissolved manganese <br />Total recoverable manganese <br />Total recoverable nickel <br />Total selenium <br />Total recoverable zinC <br />5-day biochemical oxygen <br />delll8nd <br />Total coliform bacteria <br />Fecal coliform bacteria <br />Fecal streptococcus bacteria <br /> <br />Units <br /> <br />ftJls <br />IJSlcllI <br />standard <br />.C <br />mg/L <br />mg/L <br /> <br />mg/L <br />mgIL <br />mg/L <br />mglL <br />mglL <br />mglL <br /> <br />mall <br />mglL <br /> <br />mg/L <br /> <br />mg/L <br /> <br />mglL <br />~glL <br />~glL <br />"glL <br />~glL <br />~glL <br />~glL <br />~g/L <br />~glL <br />~glL <br />~g/L <br />mg/l <br /> <br />1100 mL <br />1100 mL <br />/l00 mL <br /> <br />Number <br />of <br />values <br /> <br />267 <br />2S9 <br />140 <br />262 <br />145 <br />15 <br /> <br />15 <br />15 <br />103 <br />98 <br />134 <br />148 <br /> <br />147 <br />104 <br /> <br />100 <br /> <br />63 <br />100 <br />102 <br />82 <br />109 <br />102 <br />g5 <br />109 <br />24 <br />27 <br />102 <br />123 <br /> <br />16 <br />105 <br />54 <br /> <br />Number <br />of <br />censored <br />values <br /> <br />38 <br />o <br /> <br />74 <br /> <br />6 <br />78 <br />3 <br />5 <br />o <br />30 <br />o <br />o <br />4 <br />24 <br />7 <br />o <br /> <br />Period <br />of <br />record <br />(water year) <br /> <br />o <br />o <br />o <br />o <br />o <br />o <br /> <br />1976-88 <br />1976-88 <br />1976-88 <br />1976-88 <br />1976-8g <br />1976, 1991 <br /> <br />1976, 1981 <br />1976, 1981 <br />1977 -88 <br />1977-88 <br />1977-gg <br />1976-gg <br /> <br />!lean <br /> <br />17 <br />313 <br />7.9 <br />8.6 <br />10.0 <br />110 <br /> <br />35 <br />6.8 <br />14 <br />17 <br />61 E <br />0.81 <br /> <br />0.05 E <br />0.00091 <br /> <br />0,81 E <br /> <br />0.87 <br /> <br />0.05 E <br /> <br />6 E <br />77 E <br />2,400 <br />7 E <br />48 <br />150 <br />4 <br /> <br />40 E <br />1.3 <br /> <br />2,000 <br />930 E <br />380 <br /> <br />1For stream segment 1 (Colorado Department of Health, 1989). <br />2The larger value applies during periods of spawning of cold-water fish. <br /> <br />o <br />o <br />o <br />o <br />7 <br />o <br /> <br />1976-88 <br />1976-88 <br /> <br />9 <br /> <br />1976-88 <br /> <br />o <br /> <br />1976-88 <br /> <br />1976-82 <br />1976-88 <br />1976-88 <br />1976-88 <br />1976-88 <br />1976-88 <br />1976-88 <br />1976-88 <br />1991-82 <br />1976-82 <br />1976-88 <br />1976-88 <br /> <br />o <br />1 <br />o <br /> <br />1984-85 <br />1976-88 <br />1994-88 <br /> <br />Standa rd <br />deviation <br /> <br />20 <br />92 <br />0.3 <br />5.7 <br />1.6 <br />27 <br /> <br />8,2 <br />1.7 <br />8.6 <br />3.9 <br />129 E <br />0.27 <br /> <br />0.06 E <br />0.0012 <br /> <br />1.83 E <br /> <br />2.10 <br /> <br />0.05 E <br /> <br />6 E <br />110 E <br />6,200 <br />g E <br />23 <br />2g0 <br />4 <br /> <br />30 E <br />1.4 <br /> <br />5,600 <br />4,800 [ <br />420 <br /> <br />Minimum <br /> <br />3.8 <br />100 <br />7.1 <br />0,0 <br />6.2 <br />54 <br /> <br />17 <br />2.9 <br />2.6 <br />5.8 <br /><1 <br />0,20 <br /> <br />Lower <br />quartile <br /> <br />7.g <br />258 <br />7.7 <br />4.0 <br />8.9 <br />96 <br /> <br />29 <br />5.8 <br />9.9 <br />15 <br />7 <br />f-61 <br /> <br />Ke:dian <br /> <br />10 <br />315 <br />7.9 <br />8.5 <br />10.0 <br />120 <br /> <br />37 <br />7.4 <br />13 <br />17 <br />21 <br />0,80 <br /> <br /><0.01 0.01 <br />0,000020 0.00028 <br /> <br />0.14 <br /> <br />0.11 <br /> <br /><0.01 <br /><l <br /><1 <br /><'0 <br />140 <br /><1 <br />10 <br />40 <br /><1 <br /><I <br /><10 <br />0.1 <br /> <br />25 <br />2 <br />7 <br /> <br />0.30 <br /> <br />0.32 <br /> <br />0.02 <br /> <br />3 <br />40 <br />510 <br />2 E <br />30 <br />80 <br />2 <br /> <br />20 <br />0,7 <br /> <br />140 <br />24 <br />S2 <br /> <br />0.02 <br />O,OOOS7 <br /> <br />0,50 <br /> <br />0.47 <br /> <br />0.04 <br /> <br />4 <br />57 <br />870 <br />4 <br />45 <br />100 <br />3 <br /> <br />30 <br />0.9 <br /> <br />500 <br />140 <br />220 <br /> <br />Upper <br />quartile <br /> <br />16 <br />360 <br />8,2 <br />13.5 <br />11.2 <br />130 <br /> <br />7 <br />72 <br />2,000 <br />g <br />60 <br />140 <br />4 <br /> <br />1,300 <br />420 <br />470 <br /> <br />Kaximum <br /> <br />172 <br />750 <br />8.S <br />22.0 <br />15.3 <br />160 <br /> <br />39 <br />7.7 <br />17 <br />20 <br />49 <br />1.0 <br /> <br />50 <br />9.1 <br />77 <br />26 <br />780 <br />1.7 <br /> <br />0.05 <br />0.0011 <br /> <br />O.ltS <br />0.0096 <br /> <br />0.74 <br /> <br />17 <br /> <br />0.74 <br /> <br />17 <br /> <br />0.07 <br /> <br />0,31 <br />17 <br />39 <br />790 <br />S8,000 <br />53 <br />160 <br />2,900 <br />22 <br />3 <br />240 <br />11 <br /> <br />40 <br />1.4 <br /> <br />23,000 <br />46,000 <br />1,600 <br /> <br />Water- <br />quality <br />stand- <br />ard1 <br /> <br />6.5-9.0 <br /> <br />'6,0- (7.0) <br /> <br />250 <br />250 <br /> <br />10 <br /> <br />20 <br /> <br />1.4 <br />10 <br />300 <br />1,350 <br />25 <br />50 <br />1,000 <br />100 <br />10 <br />50 <br /> <br />2,000 <br />