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Table 4.-- summary statistics for streamflow and selected water - quality properties and constituents at <br />water - quality station <br />07203747 Monument creek at Palmer Lake <br />[ft /s, cubic feet per second; NS /cm, <br />Ng /L, micrograms per liter; /100 mL, <br />microsiemens <br />colonies <br />per <br />100 <br />centimeter <br />at 25 degrees Celsius; <br />°C, degree Celsius; <br />mg /L, milligrams <br />per liter; <br />per milliliters; - - -, no <br />and Cohn (1988); <, less than; - -, insufficient data] <br />stream standard; E, <br />estimated using methods described by Helsel <br />Number <br />Number <br />Period <br />Property or constituent <br />Units <br />of <br />of <br />of <br />Mean <br />Standard <br />Minimum <br />Lower <br />Upper <br />Water - <br />values <br />censored <br />record <br />deviation <br />quartile <br />Median <br />Maximum <br />quality <br />values <br />(water year) <br />quartile <br />q <br />stand- <br />Instantaneous streamflow <br />ft /s <br />209 <br />0 <br />1977 -88 <br />8.9 <br />ards <br />Specific conductance <br />NS /cm <br />206 <br />0 <br />1977 -88 <br />162 <br />22 <br />45 <br />0.1 <br />0.9 <br />1.9 <br />6.8 <br />168 <br />- <br />PH <br />Water temperature <br />standard <br />°C <br />95 <br />209 <br />0 <br />1977 -88 <br />7.8 <br />0.5 <br />55 <br />. <br />65 <br />130 <br />7.5 <br />164 <br />7 . 9 <br />198 <br />8.1 <br />250 <br />Dissolved oxygen <br />mg /L <br />94 <br />0 <br />0 <br />1977 -88 <br />1977_88 <br />9.6 <br />0 <br />0.0 <br />3.0 <br />9.0 <br />15.0 <br />9.0 <br />25.0 <br />6.5 -9.0 <br />___ <br />Dissolved chloride <br />mg /L <br />83 <br />0 <br />9 6 <br />1.9 <br />6.1 <br />8.1 <br />9.7 <br />11.0 <br />13.6 <br />5.0 <br />Dissolved sulfate <br />mg /L <br />78 <br />p <br />1977 -88 <br />1977 -88 <br />3.3 <br />1.4 <br />2.1 <br />4.3 <br />7.3 <br />250 <br />Suspended solids <br />m 8/L <br />93 <br />11 <br />1977 -88 <br />11 <br />17 E <br />2.3 <br />6 .2 <br />6.6 <br />10 <br />1 <br />11 <br />13 <br />18 <br />250 <br />Nitrite plus nitrate as <br />mg /L <br />97 <br />39 <br />1977 -88 <br />0.09 E <br />35 E <br />0.08 E <br /><1 <br />2 <br />6 <br />14 <br />270 <br />nitrogen <br />0.01 <br />0.03 E <br />. <br />006 <br />0.10 <br />0.33 <br />10 <br />Total ammonia as nitrogen <br />Un- ionized ammonia as <br />mg /L <br />mg /L <br />98 <br />59 <br />36 <br />1977 -88 <br />0.02 E <br />0.04 E <br /><0.01 <br />0.01 E <br />0.01 <br />0.03 <br />nitrogen <br />0 <br />1977 -88 <br />0.00049 0.00058 <br />0.00010 0.00011 <br />0.00029 <br />0.23 <br />0.00068 0.0028 <br />0.1 <br />N Total ammonia plus organic <br />mg /L <br />56 <br />10 <br />1984 -88 <br />0.35 E <br />0.19 E <br /><0.20 <br />0.20 <br />0.30 <br />0.40 <br />0.90 <br />- -- <br />Total organic nitrogen as <br />nitrogen <br />mg /L <br />32 <br />0 <br />1984 -88 <br />0.34 <br />0.17 <br />0.16 <br />0.25 <br />028 <br />Total phosphorus <br />mg /L <br />37 <br />7 <br />. <br />0.40 <br />0.84 <br />___ <br />Total cadmium <br />pg /L <br />64 <br />55 <br />1977 -80 <br />1977 -88 <br />0.03 E <br />0.04 E <br /><0.01 <br />0.01 <br />0.01 <br />0.03 <br />0.19 <br />- -- <br />Total recoverable copper <br />Ng /L <br />65 <br />5 <br />1978 -88 <br />3 E <br /><1 <br />-- <br />-' <br />zl <br />0.4 <br />Dissolved iron <br />Ng /L <br />54 <br />0 <br />1984 -88 <br />110 <br />2 E <br />60 <br /><1 <br />2 <br />3 <br />5 <br />13 <br />7 <br />Total recoverable iron <br />Ng /L <br />68 <br />0 <br />1977 -88 <br />1,100 <br />20 <br />70 <br />100 <br />140 <br />280 <br />300 <br />Total recoverable lead <br />Ng /L <br />65 <br />27 <br />1977 -88 <br />4 E <br />1,400 <br />35 <br />520 1,100 <br />7,800 <br />4,40 <br />Dissolved manganese <br />Ng /L <br />56 <br />3 <br />1984 -88 <br />46 E <br />S E <br /><1 <1 <br />I E <br />2 <br />5 <br />35 <br />6 <br />Total recoverable manganese <br />Ng /L <br />68 <br />0 <br />1977 -88 <br />68 <br />28 E <br /><10 <br />20 <br />40 <br />60 <br />130 <br />50 <br />Total recoverable zinc <br />Ng /L <br />66 <br />28 <br />1977 -88 <br />20 E <br />38 <br />30 E <br />30 <br />40 <br />70 <br />90 <br />230 <br />1,000 <br />5 -day biochemical oxygen <br />m L <br />8/ <br />79 <br />0 <br />1977 -88 <br />0.8 <br />2 <br />6 E <br />10 <br />30 <br />180 <br />50 <br />demand <br />0.7 <br />0.1 <br />04 <br />. <br />06 <br />. <br />0.8 <br />5.0 <br />- <br />Total coliform bacteria <br />/100 ML <br />7 <br />0 <br />Fecal coliform bacteria <br />/100 ML <br />82 <br />9 <br />1985 <br />1977 -88 <br />77 E <br />80 <br />-- <br />-- <br />-- <br />720 <br />- -- <br />Fecal streptococcus <br />/100 mL <br />47 <br />0 <br />1985 -88 <br />110 <br />280 E <br /><1 <br />3 <br />10 <br />42 <br />1,800 <br />2,000 <br />bacteria <br />150 <br />2 <br />10 <br />40 <br />170 <br />620 <br />- -- <br />Z For stream segment 6 (Colorado Department of Health, 1989). <br />Detection <br />limit of analyzing equipment; <br />may not be <br />an exceedance of standard. <br />