Normal View    Print View

    

Report Year: 2016
Nodaway (Adair), Adair County
Summary Data Table
Parameter6/13/20168/1/20169/13/20162016201520142013201220112010200920072006200520042003200220012000
Lake Depth (m)6.06.06.06.06.05.85.85.86.1--5.95.5------
Thermocline Depth (m)3.22.94.0N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
Secchi Disk Depth (m)1.50.50.60.90.61.00.70.60.9--0.90.7------
Temperature(oC)26.125.421.924.424.022.122.524.024.5--25.725.7------
Dissolved Oxygen (mg/L)6.47.75.76.68.18.18.87.78.2--11.510.3------
Dissolved Oxygen Saturation (%)78936478.796.794.6102.091.499.0--140.2128.0------
Specific Conductivity (μS/cm)310.0270.0270.0283.3250.0266.7283.3276.7280.0--325.0351.5------
Turbidity (NTU)3.213.310.59.012.013.015.812.78.0--15.112.8------
Chlorophyll a (μg/L)22.444.744.837.337.222.135.640.827.2--20.530.9------
Total Phosphorus as P (μg/L)38.784.390.471.1738861.0104.359.5--7239------
SRP as P (μg/L)<2.8<2.8<2.8<2.8<4.319.6<14<10<11--<12.6------
TKN (mg/L)0.761.071.140.991.181.651.271.160.89----------
Total Dissolved Solids (g/L)0.20.20.20.20.20.20.20.20.2----------
Total Nitrogen as N (mg/L)-----------3.994.73------
(Phenate)Ammonia Nitrogen (NH3 + NH4+) as N (μg/L)<0.614.35<0.6<0.6<2623955<14<145----------
(Phenate)Ammonia Nitrogen (NH3) as N (un-ionized)(μg/L)-11-1003<PRL<PQL<PQL----------
Nitrate + Nitrite (NO3 + NO2) as N (mg/L)<0.07<0.07<0.07<0.070.120.13<0.14<0.06<0.4--3.573.86------
TN:TP ratio-----------98132------
pH8.38.18.28.28.48.18.38.28.3--8.38.5------
Alkalinity as CaCO3 (mg/L)140119117125114121113121118--122119------
Silica as Si (mg/L)-------------------
Dissolved Organic Carbon (mg/L)27.7729.1729.1328.6912.9265.615<7.6--5.283.13------
Inorganic Suspended Solids (mg/L)5735724<2<5--511------
Volatile Suspended Solids (mg/L)36964688<8--65------
Total Suspended Solids (mg/L)814121112813108--1115------
Carlson Trophic State Index (Secchi)*556966626860646762--6266------
Carlson Trophic State Index (Chl a)*616868666661666763--6064------
Carlson Trophic State Index (TP)*576869666669637163--6657------
*Index values generally range between 0 and 100, with increasing values indicating more eutrophic conditions.
       
 
 
 
Water Column Profiles
6/13/20168/1/20169/13/2016

Contact Limnology Laboratory, Iowa State University