Downs Lake

Available Options

• Biological

  > Phytoplankton
  • Chlorophyll-a Trichromatic Uncorrected (mg/L)
  • Chlorophyll-a, % Pheo-Corrected (%)
  • Chlorophyll-a, Pheo-Corrected (mg/L)
  • Chlorophyll-a/Pheophytin-a Abs. Ratio
  • Chlorophyll-b (mg/L)
  • Chlorophyll-c (mg/L)
  • Pheophytin-a (mg/L)

• Inorganics

  > Major Metals
  • Calcium, Filtered (mg/L)
  • Calcium, Unfiltered (mg/L)
  • Magnesium, Filtered (mg/L)
  • Magnesium, Unfiltered (mg/L)
  • Potassium , Unfiltered (mg/L)
  • Potassium, Filtered (mg/L)
  • Sodium, Filtered (mg/L)
  • Sodium, Unfiltered (mg/L)

• Inorganics

  > Major Non-metals
  • Bicarbonate, Unfiltered (mg/L_HCO3)
  • Carbonate, Unfiltered (mg/L_CO3)
  • Chloride, Filtered (mg/L)
  • Chloride, Unfiltered (mg/L)
  • Chlorine Residual (mg/L)
  • Dissolved Oxygen (mg/L)
  • Dissolved Oxygen Saturation (%)
  • Silica, Filtered (mg/L)
  • Sulfate, Filtered (mg/L)
  • Sulfate, Unfiltered (mg/L)
  • Total Alkalinity, Filtered (mg/L_CaCO3)
  • Total Alkalinity, Unfiltered (mg/L_CaCO3)
  • Total Carbon, Unfiltered (mg/L)

• Inorganics

  > Minor Metals
  • Aluminum, Unfiltered (mg/L)
  • Barium, Unfiltered (mg/L)
  • Beryllium, Filtered (mg/L)
  • Beryllium, Unfiltered (mg/L)
  • Cadmium, Filtered (mg/L)
  • Cadmium, Unfiltered (mg/L)
  • Chromium, Filtered (mg/L)
  • Chromium, Unfiltered (mg/L)
  • Cobalt, Unfiltered (mg/L)
  • Copper, Filtered (mg/L)
  • Copper, Unfiltered (mg/L)
  • Hex-chromium, Filtered (mg/L)
  • Iron, Filtered (mg/L)
  • Iron, Unfiltered (mg/L)
  • Lead, Filtered (mg/L)
  • Lead, Unfiltered (mg/L)
  • Manganese, Filtered (mg/L)
  • Manganese, Unfiltered (mg/L)
  • Mercury, Filtered (mg/L)
  • Mercury, Unfiltered (mg/L)
  • Molybdenum (mg/L)
  • Nickel, Filtered (mg/L)
  • Nickel, Unfiltered (mg/L)
  • Silver, Filtered (mg/L)
  • Silver, Unfiltered (mg/L)
  • Thallium, Filtered (mg/L)
  • Thallium, Unfiltered (mg/L)
  • Zinc, Filtered (mg/L)
  • Zinc, Unfiltered (mg/L)

• Inorganics

  > Minor Non-metals
  • Antimony, Filtered (mg/L)
  • Antimony, Unfiltered (mg/L)
  • Arsenic, Filtered (mg/L)
  • Arsenic, Unfiltered (mg/L)
  • Boron, Unfiltered (mg/L)
  • Cyanide, Unfiltered (mg/L)
  • Selenium, Filtered (mg/L)
  • Selenium, Unfiltered (mg/L)

• Microbiological

  > Bacteria
  • E. Coli Bacteria Count (#/100mL)
  • Fecal Coliform Bacteria Count (#/100mL)
  • Fecal Strep Bacteria Count (#/100mL)

• Nutrient

  > Nitrogen
  • Ammonia Nitrogen, Filtered (mg/L)
  • Ammonia Nitrogen, Unfiltered (mg/L)
  • Ammonia Nitrogen, Unionized, Unfiltered (mg/L)
  • Nitrate N, Unfiltered (mg/L)
  • Nitrite N, Unfiltered (mg/L)
  • Total Kjeldahl Nitrogen, Filtered (mg/L)
  • Total Kjeldahl Nitrogen, Filtered, Low Level Detection (mg/L)
  • Total Kjeldahl Nitrogen, Particulate (mg/L)
  • Total Kjeldahl Nitrogen, Unfiltered (mg/L)
  • Total Kjeldahl Nitrogen, Unfiltered, Low Level Detection (mg/L)
  • Total Nitrate/Nitrite N, Unfiltered (mg/L)

• Nutrient

  > Phosphorus
  • Ortho Phosphate as P, Filtered (mg/L)
  • Ortho Phosphate as P, Unfiltered (mg/L)
  • Total Phosphorus, Filtered (mg/L)
  • Total Phosphorus, Filtered, Low Level Detection (mg/L)
  • Total Phosphorus, Particulate (mg/L)
  • Total Phosphorus, Unfiltered (mg/L)
  • Total Phosphorus, Unfiltered, Low Level Detection (mg/L)

• Organics

  > Other
  • 1,1,1-Trichloroethane, Unfiltered (mg/L)
  • 1,1,2,2-Tetrachloroethane, Unfiltered (mg/L)
  • 1,1,2-Trichloroethane, Unfiltered (mg/L)
  • 1,1-Dichloroethane, Unfiltered (mg/L)
  • 1,1-Dichloroethene, Unfiltered (mg/L)
  • 1,2,4-Trichlorobenzene, Unfiltered (mg/L)
  • 1,2-Dichlorobenzene, Unfiltered (mg/L)
  • 1,2-Diphenylhydrazine, Unfiltered (mg/L)
  • 1,3-Dichlorobenzene, Unfiltered (mg/L)
  • 2,4-Dinitrophenol, Unfiltered (mg/L)
  • 2,4-Dinitrotoluene, Unfiltered (mg/L)
  • 2,6-Dinitrotoluene, Unfiltered (mg/L)
  • 2-Chloroethylvinylether, Unfiltered (mg/L)
  • 2-Chloronaphthalene, Unfiltered (mg/L)
  • 2-Chlorophenol, Unfiltered (mg/L)
  • 2-Nitrophenol, Unfiltered (mg/L)
  • 3,3'-Dichlorobenzidine, Unfiltered (mg/L)
  • 4-Bromophenyl Phenyl Ether, Unfiltered (mg/L)
  • 4-Chlorophenyl Phenyl Ether, Unfiltered (mg/L)
  • Acenaphthene, Unfiltered (mg/L)
  • Acenaphthylene, Unfiltered (mg/L)
  • Anthracene, Unfiltered (mg/L)
  • Benzene, Unfiltered (mg/L)
  • Benzidine, Unfiltered (mg/L)
  • Benzo(a)anthracene, Unfiltered (mg/L)
  • Benzo(a)pyrene, Unfiltered (mg/L)
  • Benzo(b)fluoranthene, Unfiltered (mg/L)
  • Benzo(g,h,i)perylene, Unfiltered (mg/L)
  • Benzo(k)fluoranthene, Unfiltered (mg/L)
  • Bis (2-chloroethoxy) Methane, Unfiltered (mg/L)
  • Bis (2-chloroethyl) Ether, Unfiltered (mg/L)
  • Bis (2-chloro-Isopropyl) Ether, Unfiltered (mg/L)
  • Bis(2-ethylhexyl)phthalate, Unfiltered (mg/L)
  • Bromodichloromethane, Unfiltered (mg/L)
  • Bromoform, Unfiltered (mg/L)
  • Butylbenzylphthalate, Unfiltered (mg/L)
  • Carbon Tetrachloride, Unfiltered (mg/L)
  • Chloroethane, Unfiltered (mg/L)
  • Chloroform, Unfiltered (mg/L)
  • Chloromethane, Unfiltered (mg/L)
  • Chrysene, Unfiltered (mg/L)
  • Dibenzo(a,h)anthracene, Unfiltered (mg/L)
  • Dibromochloromethane, Unfiltered (mg/L)
  • Diethylphthalate, Unfiltered (mg/L)
  • Dimethylphthalate, Unfiltered (mg/L)
  • Di-N-butyl-phthalate, Unfiltered (mg/L)
  • Di-N-octylphthalate, Unfiltered (mg/L)
  • Ethyl Benzene, Unfiltered (mg/L)
  • Fluoranthene, Unfiltered (mg/L)
  • Fluorene, Unfiltered (mg/L)
  • Hexachlorobutadiene, Unfiltered (mg/L)
  • Hexachlorocylopentadiene, Unfiltered (mg/L)
  • Hexachloroethane, Unfiltered (mg/L)
  • Indeno (1,2,3-c-d)pyrene, Unfiltered (mg/L)
  • Isophorone, Unfiltered (mg/L)
  • m&p-Xylenes, Unfiltered (mg/L)
  • Methylene Chloride, Unfiltered (mg/L)
  • m-Xylenes, Unfiltered (mg/L)
  • Naphthalene, Unfiltered (mg/L)
  • Nitrobenzene, Unfiltered (mg/L)
  • N-Nitrosodimethyl Amine, Unfiltered (mg/L)
  • N-Nitrosodi-N-Propylamine, Unfiltered (mg/L)
  • N-Nitroso-Diphenylamine, Unfiltered (mg/L)
  • Oil and Grease (mg/L)
  • o-Xylene, Unfiltered (mg/L)
  • p&o-Xylenes, Unfiltered (mg/L)
  • Phenanthrene, Unfiltered (mg/L)
  • Phenol, Unfiltered (mg/L)
  • Pyrene, Unfiltered (mg/L)
  • Tetrachloroethene, Unfiltered (mg/L)
  • Toluene, Unfiltered (mg/L)
  • Total Organic Carbon, Filtered (mg/L)
  • Total Organic Carbon, Unfiltered (mg/L)
  • Total Phenolics, Unfiltered (mg/L)
  • Trans-1,2-Dichloroethene, Unfiltered (mg/L)
  • Trichloroethene, Unfiltered (mg/L)
  • Trichlorofluoromethane, Unfiltered (mg/L)
  • Vinyl Chloride, Unfiltered (mg/L)

• Organics

  > PCBs
  • PCB: 1016, Unfiltered (mg/L)
  • PCB: 1221, Unfiltered (mg/L)
  • PCB: 1232, Unfiltered (mg/L)
  • PCB: 1242, Unfiltered (mg/L)
  • PCB: 1248, Unfiltered (mg/L)
  • PCB: 1254, Unfiltered (mg/L)
  • PCB: 1260, Unfiltered (mg/L)
  • Total PCB, Unfiltered (mg/L)

• Organics

  > Pesticide
  • 1,2-Dichloroethane, Unfiltered (mg/L)
  • 1,2-Dichloropropane, Unfiltered (mg/L)
  • 1,4-Dichlorobenzene, Unfiltered (mg/L)
  • 2,4,6-Trichlorophenol, Unfiltered (mg/L)
  • 2,4-Dichlorophenol, Unfiltered (mg/L)
  • 2,4-Dimethylphenol, Unfiltered (mg/L)
  • 2-Methyl-4,6-Dinitrophenol, Unfiltered (mg/L)
  • 4,4'-DDD, Unfiltered (mg/L)
  • 4,4'-DDE, Unfiltered (mg/L)
  • 4,4'-DDT, Unfiltered (mg/L)
  • 4-Chloro-3-Methylphenol, Unfiltered (mg/L)
  • 4-Nitrophenol, Unfiltered (mg/L)
  • a-BHC, Unfiltered (mg/L)
  • Aldrin, Unfiltered (mg/L)
  • b-BHC, Unfiltered (mg/L)
  • Bromomethane, Unfiltered (mg/L)
  • Chlordane, Unfiltered (mg/L)
  • Chlorobenzene, Unfiltered (mg/L)
  • Cis-1,3-Dichloropropene, Unfiltered (mg/L)
  • d-BHC, Unfiltered (mg/L)
  • Dieldrin, Unfiltered (mg/L)
  • Endosulfan I, Unfiltered (mg/L)
  • Endosulfan II, Unfiltered (mg/L)
  • Endosulfan Sulfate, Unfiltered (mg/L)
  • Endrin Aldehyde, Unfiltered (mg/L)
  • Endrin, Unfiltered (mg/L)
  • g-BHC, Unfiltered (mg/L)
  • Heptachlor Epoxide, Unfiltered (mg/L)
  • Heptachlor, Unfiltered (mg/L)
  • Hexachlorobenzene, Unfiltered (mg/L)
  • Pentachlorophenol, Unfiltered (mg/L)
  • Toxaphene, Unfiltered (mg/L)
  • Trans-1,3-Dichloropropene, Unfiltered (mg/L)

• Physical

  > Conductivity
  • Conductivity (umho/cm)

• Physical

  > Hardness
  • Hardness, Unfiltered (mg/L_CaCO3)

• Physical

  > Light/Transparency
  • Color (PCU)
  • Photosynthetically Active Radiation (uE/m2/s)
  • Secchi Depth (m)
  • Transparency Tube (cm)
  • Turbidity (FNU) (FNU)
  • Turbidity (JTU) (JTU)
  • Turbidity (NTRU) (NTRU)
  • Turbidity (NTU) (NTU)

• Physical

  > Observation
  • Physical Condition
  • Recreational Suitability

• Physical

  > Oxygen Demand
  • BOD 5-day, Filtered (mg/L)
  • BOD 5-day, Unfiltered (mg/L)
  • BOD K-rate, Filtered (/day)
  • BOD K-rate, Unfiltered (/day)
  • BOD Ultimate, Filtered (mg/L)
  • BOD Ultimate, Unfiltered (mg/L)
  • CBOD 5-day, Filtered (mg/L)
  • CBOD 5-day, Unfiltered (mg/L)
  • CBOD K-rate, Filtered (/day)
  • CBOD K-rate, Unfiltered (/day)
  • CBOD Ultimate, Filtered (mg/L)
  • CBOD Ultimate, Unfiltered (mg/L)
  • COD, Filtered (mg/L)
  • COD, Particulate (mg/L)
  • COD, Unfiltered (mg/L)
  • Oxidation Reduction Potential
  • Soluble Oxygen Demand, Filtered (mg/L)

• Physical

  > pH
  • pH (pH)

• Physical

  > Precipitation
  • Precipitation (inches)

• Physical

  > Solids
  • Suspended Solids (mg/L)
  • Total Dissolved Solids (mg/L)
  • Volatile Suspended Solids (mg/L)

• Physical

  > Stage/Flow
  • Lake Gauge Reading (feet)
  • Sample Flow (cfs)
  • Stage (feet)

• Physical

  > Temperature
  • Temperature (deg C)

• Summary

  > Rating
  • Chlorophyll-a Trichromatic Uncorrected, Seasonal Grade
  • Lake Grade, Seasonal
  • Secchi Depth, Seasonal Grade
  • Total Phosphorus, Unfiltered, Seasonal Grade

• Time Series

  > Continuous
  • Conductivity (umho/cm)
  • Dissolved Oxygen (mg/L)
  • Flow (cfs)
  • pH (pH)
  • Precipitation (inches)
  • Stage (feet)
  • Stage Event (feet)
  • Temperature (deg C)
  • Total Nitrate/Nitrite N, Unfiltered (mg/L)
  • Turbidity (FNU) (FNU)
  • Turbidity (NTU) (NTU)
  • Volume (CF)

• Time Series

  > Daily Aggregate
  • Conductivity (umho/cm)
  • Dissolved Oxygen (mg/L)
  • Flow (cfs)
  • pH (pH)
  • Precipitation (inches)
  • Stage (feet)
  • Stage Event (feet)
  • Temperature (deg C)
  • Turbidity (FNU) (FNU)
  • Turbidity (NTU) (NTU)
  • Volume (CF)