Cayuga Lake Monitoring Event Graph

Use graph legend to de-select indicators in order to view indicators of interest. All event results are reported in the table below. Note that exceptionally low values may not register on the graph.

Event Results

Location Analyte Value Remarks Location
Cayuga Lake near Mouth of Salmon Creek Temperature 25.0 C Field
Hydrogen Ion (pH) 8.5 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 431.0 uS/cm Lab
Hardness, Total 130.0 mg CaCO3/L Lab
Chloride 46.3 mg/L Lab
Turbidity 2.9 NTU Lab
Soluble Reactive Phosphorus (as P) 2.9 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 18.3 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.83 mg/L Lab
Dissolved Oxygen 8.6 mg/L Lab
Secchi Depth 2.75 m Field
E. Coli 135.0 Colonies/100 ml Lab
Cayuga Lake North of Myers Point (E) Temperature 22.7 C Field
Hydrogen Ion (pH) 8.5 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 440.0 uS/cm Lab
Hardness, Total 127.0 mg CaCO3/L Lab
Chloride 47.5 mg/L Lab
Turbidity 2.1 NTU Lab
Soluble Reactive Phosphorus (as P) 3.1 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 15.4 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.77 mg/L Lab
Dissolved Oxygen 8.8 mg/L Lab
Secchi Depth 2.75 m Field
E. Coli 90.0 Colonies/100 ml Lab
Cayuga Lake North of Myers Point (H) Temperature 8.3 C Field
Hydrogen Ion (pH) 8.3 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 450.0 uS/cm Lab
Hardness, Total 129.0 mg CaCO3/L Lab
Chloride 49.0 mg/L Lab
Turbidity 0.5 NTU non-detect Lab
Soluble Reactive Phosphorus (as P) 8.4 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 14.3 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.99 mg/L Lab
Dissolved Oxygen 9.4 mg/L Field
Secchi Depth 2.75 m Field
E. Coli 0.5 Colonies/100 ml non-detect Lab
Middle of Lake Opposite Mouth of Salmon Creek (E) Temperature 22.7 C Field
Hydrogen Ion (pH) 8.5 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 438.0 uS/cm Lab
Hardness, Total 125.0 mg CaCO3/L Lab
Chloride 45.7 mg/L Lab
Turbidity 5.8 NTU Lab
Soluble Reactive Phosphorus (as P) 5.5 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 22.1 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.74 mg/L Lab
Kjeldahl Nitrogen, Total (as N) 0.43 mg/L Lab
Dissolved Oxygen 8.4 mg/L Lab
Secchi Depth 1.25 m Field
E. Coli 315.0 Colonies/100 ml Lab
Middle of Lake Opposite Mouth of Salmon Creek (H) Temperature 13.2 C Field
Hydrogen Ion (pH) 8.1 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 449.0 uS/cm Lab
Hardness, Total 131.0 mg CaCO3/L Lab
Chloride 49.8 mg/L Lab
Turbidity 1.6 NTU Lab
Soluble Reactive Phosphorus (as P) 7.75 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 15.4 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.99 mg/L Lab
Kjeldahl Nitrogen, Total (as N) 0.33 mg/L Estimate Lab
Dissolved Oxygen 10.6 mg/L Lab
Secchi Depth 1.25 m Field
E. Coli 7.0 Colonies/100 ml Lab
Middle of Shallow Southern Shelf Temperature 21.5 C Field
Hydrogen Ion (pH) 8.6 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 431.0 uS/cm Lab
Alkalinity 109.0 mg CaCO3/L Field
Hardness, Total 129.0 mg CaCO3/L Lab
Chloride 47.5 mg/L Lab
Turbidity 1.8 NTU Lab
Soluble Reactive Phosphorus (as P) 8.2 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 21.8 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.85 mg/L Lab
Kjeldahl Nitrogen, Total (as N) 0.35 mg/L Lab
Dissolved Oxygen 8.2 mg/L Lab
Secchi Depth 2.25 m Field
E. Coli 80.0 Colonies/100 ml Lab
Lake Source Cooling Outfall Temperature 21.1 C Field
Hydrogen Ion (pH) 8.5 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 437.0 uS/cm Lab
Hardness, Total 125.0 mg CaCO3/L Lab
Chloride 46.9 mg/L Lab
Turbidity 2.2 NTU Lab
Soluble Reactive Phosphorus (as P) 3.7 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 25.4 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.89 mg/L Lab
Dissolved Oxygen 8.5 mg/L Lab
Secchi Depth 2.25 m Field
E. Coli 60.0 Colonies/100 ml Lab
Cayuga Heights Sewage Outfall Temperature 21.5 C Field
Hydrogen Ion (pH) 8.5 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 441.0 uS/cm Lab
Hardness, Total 133.0 mg CaCO3/L Lab
Chloride 46.9 mg/L Lab
Turbidity 12.1 NTU Lab
Soluble Reactive Phosphorus (as P) 6.4 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 59.9 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.71 mg/L Lab
Dissolved Oxygen 7.7 mg/L Lab
Secchi Depth 7.0 m Field
E. Coli 465.0 Colonies/100 ml Lab
Ithaca Sewage Outfall Temperature 22.8 C Field
Hydrogen Ion (pH) 8.5 Unitless (negative logarithm of H ion concentration) Not certifiable Field
Specific Conductance 432.0 uS/cm Lab
Hardness, Total 126.0 mg CaCO3/L Lab
Chloride 46.9 mg/L Lab
Turbidity 8.3 NTU Lab
Soluble Reactive Phosphorus (as P) 4.6 ug/L Exceeded 15 min. holding time for filtration Lab
Total Phosphorus (as P) 50.1 ug/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.74 mg/L Lab
Dissolved Oxygen 8.5 mg/L Lab
Secchi Depth 0.75 m Field
E. Coli 185.0 Colonies/100 ml Lab