Notes:
Cayuga Lake Monitoring Event Graph

This bar graph reports the raw data for each location that was sampled as part of the monitoring event conducted on this date. To view results for individual water quality indicators, click-off other indicators in the legend at the bottom of the graph.

Event Results

Scroll down to view the event results for each monitoring location.

Location Analyte Value Units Remarks Location
Ithaca Sewage Outfall
(IASTP)
Turbidity 3.13 NTU Lab
Total Phosphorus (as P) 28.1 ug/L Lab
Total Coliform 1102.0 Colonies/100 ml Lab
Temperature 22.5 C Field
Specific Conductance 380.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 2.8 ug/L Exceeded 15 min. holding time for filtration Lab
Secchi Depth 2.5 m (lake bottom) sample taken at 2 m Field
Nitrate-+Nitrite-Nitrogen (as N) 1.39 mg/L Lab
Hydrogen Ion (pH) 7.0 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 140.0 mg CaCO3/L Lab
E. Coli 20.0 Colonies/100 ml Lab
Dissolved Oxygen 4.3 mg/L Field
Chloride 57.3 mg/L Lab
Alkalinity 101.9 mg CaCO3/L Sample collected with head space Lab
Cayuga Heights Sewage Outfall
(CHSTP)
Turbidity 1.19 NTU Lab
Total Phosphorus (as P) 15.8 ug/L Lab
Total Coliform 2000.0 Colonies/100 ml Lab
Temperature 24.5 C Field
Specific Conductance 382.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 4.4 ug/L Exceeded 15 min. holding time for filtration Lab
Secchi Depth 3.0 m (lake bottom) sample taken at 2 m Field
Nitrate-+Nitrite-Nitrogen (as N) 1.36 mg/L Lab
Hydrogen Ion (pH) 8.25 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 112.9 mg CaCO3/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 5.6 mg/L Field
Chloride 52.9 mg/L Lab
Alkalinity 87.1 mg CaCO3/L Sample collected with head space Lab
Lake Source Cooling Outfall
(LSC)
Turbidity 1.68 NTU Lab
Total Phosphorus (as P) 14.7 ug/L Lab
Total Coliform 580.0 Colonies/100 ml Lab
Temperature 25.0 C Field
Specific Conductance 338.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 2.7 ug/L Exceeded 15 min. holding time for filtration Lab
Secchi Depth 3.0 m (lake bottom) sample taken at 2 m Field
Nitrate-+Nitrite-Nitrogen (as N) 0.88 mg/L Lab
Hydrogen Ion (pH) 8.5 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 109.5 mg CaCO3/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 6.0 mg/L Field
Chloride 51.2 mg/L Lab
Alkalinity 81.8 mg CaCO3/L Sample collected with head space Lab
Middle of Shallow Southern Shelf
(Shelf Control)
Turbidity 1.49 NTU Lab
Total Phosphorus (as P) 10.4 ug/L Lab
Total Coliform 380.0 Colonies/100 ml Lab
Temperature 23.5 C Field
Sulfate 27.25 mg/L Lab
Strontium 0.215 mg/L Lab
Specific Conductance 358.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 1.8 ug/L estimated; Exceeded 15 min. holding time for filtration Lab
Solids, Total Suspended 1.0 mg/L non-detect Lab
Solids, Total Dissolved 220.0 mg/L Lab
Secchi Depth 4.0 m Field
Nitrate-+Nitrite-Nitrogen (as N) 0.7 mg/L Lab
Kjeldahl Nitrogen, Total (as N) 0.5 mg/L Lab
Hydrogen Ion (pH) 7.75 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 131.6 mg CaCO3/L Lab
Gross Beta Radioactivity 1.94 pCi/L Lab
Gross Alpha Radioactivity 0.48 pCi/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 5.8 mg/L Field
Chloride 48.1 mg/L Lab
Chemical Oxygen Demand 5.0 mg/L non-detect Lab
Barium 0.028 mg/L Lab
Alkalinity 94.0 mg CaCO3/L Sample collected with head space Lab
Middle of Lake Opposite Mouth of Salmon Creek (H)
(CLMSC-3 Deep)
Turbidity 0.64 NTU Lab
Total Phosphorus (as P) 7.7 ug/L Lab
Total Coliform 5.0 Colonies/100 ml non-detect Lab
Temperature 12.8 C Field
Sulfate 27.63 mg/L Lab
Strontium 0.199 mg/L Lab
Specific Conductance 352.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 1.8 ug/L estimated; Exceeded 15 min. holding time for filtration Lab
Solids, Total Suspended 2.8 mg/L Lab
Solids, Total Dissolved 208.0 mg/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 1.14 mg/L Lab
Kjeldahl Nitrogen, Total (as N) 0.22 mg/L Lab
Hydrogen Ion (pH) 7.5 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 145.0 mg CaCO3/L Lab
Gross Beta Radioactivity 2.23 pCi/L Lab
Gross Alpha Radioactivity 0.22 pCi/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 6.0 mg/L Field
Chloride 46.3 mg/L Lab
Chemical Oxygen Demand 11.0 mg/L Lab
Barium 0.028 mg/L Lab
Alkalinity 99.3 mg CaCO3/L Sample collected with head space Lab
Middle of Lake Opposite Mouth of Salmon Creek (E)
(CLMSC-3 Shallow)
Turbidity 1.74 NTU Lab
Total Phosphorus (as P) 9.5 ug/L Lab
Total Coliform 130.0 Colonies/100 ml Lab
Temperature 24.0 C Field
Sulfate 28.25 mg/L Lab
Strontium 0.195 mg/L Lab
Specific Conductance 338.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 1.8 ug/L estimated; Exceeded 15 min. holding time for filtration Lab
Solids, Total Suspended 1.0 mg/L non-detect Lab
Solids, Total Dissolved 190.0 mg/L Lab
Nitrate-+Nitrite-Nitrogen (as N) 0.7 mg/L Lab
Kjeldahl Nitrogen, Total (as N) 0.44 mg/L Lab
Hydrogen Ion (pH) 8.0 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 130.0 mg CaCO3/L Lab
Gross Beta Radioactivity 2.71 pCi/L Lab
Gross Alpha Radioactivity 1.14 pCi/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 5.05 mg/L Field
Chloride 47.3 mg/L Lab
Chemical Oxygen Demand 13.0 mg/L Lab
Barium 0.028 mg/L Lab
Alkalinity 94.0 mg CaCO3/L Sample collected with head space Lab
Cayuga Lake North of Myers Point (H)
(CLMSC-2 Deep)
Turbidity 0.61 NTU Lab
Total Phosphorus (as P) 3.8 ug/L estimated Lab
Total Coliform 70.0 Colonies/100 ml Lab
Temperature 11.5 C Field
Specific Conductance 369.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 4.4 ug/L Exceeded 15 min. holding time for filtration Lab
Secchi Depth 4.25 m Field
Nitrate-+Nitrite-Nitrogen (as N) 1.14 mg/L Lab
Hydrogen Ion (pH) 7.38 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 140.9 mg CaCO3/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 7.2 mg/L Field
Chloride 44.9 mg/L Lab
Alkalinity 99.0 mg CaCO3/L Sample collected with head space Lab
Cayuga Lake North of Myers Point (E)
(CLMSC-2 Shallow)
Turbidity 1.37 NTU Lab
Total Phosphorus (as P) 8.9 ug/L Lab
Total Coliform 270.0 Colonies/100 ml Lab
Temperature 24.5 C Field
Specific Conductance 341.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 1.8 ug/L estimated; Exceeded 15 min. holding time for filtration Lab
Secchi Depth 4.25 m Field
Nitrate-+Nitrite-Nitrogen (as N) 0.69 mg/L Lab
Hydrogen Ion (pH) 7.75 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 130.0 mg CaCO3/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 5.8 mg/L Field
Chloride 44.7 mg/L Lab
Alkalinity 88.8 mg CaCO3/L Sample collected with head space Lab
Cayuga Lake near Mouth of Salmon Creek
(CLMSC-1)
Turbidity 1.47 NTU Lab
Total Phosphorus (as P) 10.3 ug/L Lab
Total Coliform 240.0 Colonies/100 ml Lab
Temperature 23.0 C Field
Specific Conductance 350.0 uS/cm Lab
Soluble Reactive Phosphorus (as P) 1.6 ug/L estimated; Exceeded 15 min. holding time for filtration Lab
Secchi Depth 3.75 m Field
Nitrate-+Nitrite-Nitrogen (as N) 0.69 mg/L Lab
Hydrogen Ion (pH) 7.75 Unitless (negative logarithm of H ion concentration) Not Certifiable Field
Hardness, Total 131.6 mg CaCO3/L Lab
E. Coli 5.0 Colonies/100 ml non-detect Lab
Dissolved Oxygen 4.4 mg/L Field
Chloride 46.5 mg/L Lab
Alkalinity 90.9 mg CaCO3/L Sample collected with head space Lab