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Report Year: 2016
Wilson Park Lake, Taylor County
Summary Data Table
Parameter6/13/20168/2/20169/11/20162016201520142013201220112010200920072006200520042003200220012000
Lake Depth (m)5.45.35.35.35.35.45.25.05.05.25.3--5.96.15.75.56.05.8
Thermocline Depth (m)2.44.03.0N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
Secchi Disk Depth (m)1.70.50.71.00.30.70.70.50.50.60.8--1.50.50.71.31.00.6
Temperature(oC)28.123.622.724.823.622.522.924.524.824.624.1--24.821.823.426.523.225.6
Dissolved Oxygen (mg/L)11.72.75.46.67.76.57.68.110.76.98.5--9.67.99.111.16.99.0
Dissolved Oxygen Saturation (%)149326381.490.776.988.096.2130.782.0100.3--114.890.3106.6138.376.8110.2
Specific Conductivity (μS/cm)230.0190.0210.0210.0190.0230.0233.3220.0210.0210.0190.0--254.5236.7236.3282.3192.1209.2
Turbidity (NTU)3.918.06.69.532.114.618.924.739.619.115.5--10.226.523.98.720.518.0
Chlorophyll a (μg/L)14.349.124.529.329.238.942.554.358.237.251.0--71.232.330.727.539.514.5
Total Phosphorus as P (μg/L)41.4120.069.977.11888973.7126.395.9121.282.3--571358765135-
SRP as P (μg/L)<2.8<2.8<2.8<2.835.7<5.6<14<10<11<8<9--1.530.61.9<1--
TKN (mg/L)0.541.731.021.101.712.601.902.351.72<0.26---------
Total Dissolved Solids (g/L)0.20.10.10.10.10.10.20.10.1----------
Total Nitrogen as N (mg/L)----------1.2--1.391.871.531.182.302.00
(Phenate)Ammonia Nitrogen (NH3 + NH4+) as N (μg/L)<0.640.8572.50354725131121<145<136<130--------
(Phenate)Ammonia Nitrogen (NH3) as N (un-ionized)(μg/L)-213125<PRL<PQL<PQL<PQL<130--------
Nitrate + Nitrite (NO3 + NO2) as N (mg/L)<0.07<0.07<0.07<0.070.500.1200<0.4<0.5---0.600.260.120.120.940.14
TN:TP ratio----------15--2714181918-
pH8.67.97.98.18.18.18.48.48.88.38.9--8.38.28.68.98.57.2
Alkalinity as CaCO3 (mg/L)94788786801009892859386--1151056911581103
Silica as Si (mg/L)-------------4.075.843.522.14--
Dissolved Organic Carbon (mg/L)21.6123.5425.3123.4913.29910.0711988--6.459.4914.0710.44--
Inorganic Suspended Solids (mg/L)2433243<3.24<5<45--487365
Volatile Suspended Solids (mg/L)4114611111014141210--79772710
Total Suspended Solids (mg/L)61581035141318181415--11171583315
Carlson Trophic State Index (Secchi)*5270656076656670706863--547165576067
Carlson Trophic State Index (Chl a)*5769626464676770706669--726564636757
Carlson Trophic State Index (TP)*5873656780696674707368--6275696475-
*Index values generally range between 0 and 100, with increasing values indicating more eutrophic conditions.
       
 
 
 
Water Column Profiles
6/13/20168/2/20169/11/2016

Contact Limnology Laboratory, Iowa State University