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Report Year: 2016
Badger Lake, Webster County
Summary Data Table
Parameter5/16/20166/27/20168/15/20162016201520142013201220112010200920072006200520042003200220012000
Lake Depth (m)4.74.54.44.54.74.64.74.64.84.94.8-5.15.15.25.15.15.15.2
Thermocline Depth (m)2.01.71.7N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
Secchi Disk Depth (m)0.81.60.61.01.00.91.00.90.91.01.3-0.51.31.21.40.71.10.8
Temperature(oC)11.726.124.620.818.920.718.422.521.218.522.2-19.019.821.019.421.621.222.0
Dissolved Oxygen (mg/L)26.113.613.717.87.316.112.112.513.77.912.1-14.811.011.311.712.810.010.2
Dissolved Oxygen Saturation (%)241168165191.376.2183.7128.7143.7158.082.3137.8-159.7121.4130.3127.0145.5109.5122.6
Specific Conductivity (μS/cm)720.0630.0420.0590.0630.0600.0610.0546.7550.0623.3603.3-648.7676.2585.6720.7644.4750.8699.0
Turbidity (NTU)7.9-10.09.014.58.510.822.26.16.24.3-223.216.744.199.617.416.147.3
Chlorophyll a (μg/L)46.314.494.451.749.7147.933.249.618.08.217.3-58.746.711.013.484.811.96.4
Total Phosphorus as P (μg/L)67.345.9139.284.1119170105.844.675.8153.349.7-455410946104111-
SRP as P (μg/L)<2.8<2.8<2.8<2.831.470.153.6<1017.691.9<9-<1<154.17.5<1--
TKN (mg/L)0.670.521.430.882.502.231.071.410.73<0.26---------
Total Dissolved Solids (g/L)0.50.40.30.40.40.40.40.40.4----------
Total Nitrogen as N (mg/L)----------7.6-14.2612.7112.8115.6612.2415.8412.72
(Phenate)Ammonia Nitrogen (NH3 + NH4+) as N (μg/L)<0.629.20<0.6410813448222<145150<130--------
(Phenate)Ammonia Nitrogen (NH3) as N (un-ionized)(μg/L)03-5057<PRL<PQL<PQL<PQL<130--------
Nitrate + Nitrite (NO3 + NO2) as N (mg/L)14.2411.14<0.07812.3613.10161178--16.3511.7812.1514.7611.9216.7111.47
TN:TP ratio----------170-318318239455208247-
pH8.28.38.88.48.18.28.18.38.37.57.7-8.28.28.38.28.58.07.7
Alkalinity as CaCO3 (mg/L)266216139207222187179169226254244-209212168201205219176
Silica as Si (mg/L)-------------10.1411.2211.2212.13--
Dissolved Organic Carbon (mg/L)60.1738.0532.0843.4313.4764.134<7.6<6.4<6.2-3.384.4414.825.829.44--
Inorganic Suspended Solids (mg/L)102871055255<4-15419661017
Volatile Suspended Solids (mg/L)8514971359<8<9<8-95741248
Total Suspended Solids (mg/L)1872216161810111079-2492610181425
Carlson Trophic State Index (Secchi)*6453686061616061626056-72565856655862
Carlson Trophic State Index (Chl a)*6857756969806569595159-71685456745549
Carlson Trophic State Index (TP)*6559756873787159677760-596272597172-
*Index values generally range between 0 and 100, with increasing values indicating more eutrophic conditions.
       
 
 
 
Water Column Profiles
5/16/20166/27/20168/15/2016

Contact Limnology Laboratory, Iowa State University