Synoptic Monitoring Event on June 29, 2025
for Cayuga Lake under Base Flow conditions
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 | 2.8 | NTU | Lab | |
| Total Phosphorus (as P) | 12.9 | ug/L | Lab | ||
| Temperature | 17.0 | C | Field | ||
| Specific Conductance | 430.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 1.0 | ug/L | Non-detect; Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 3.0 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 0.94 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.5 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 144.0 | mg CaCO3/L | Lab | ||
| E. Coli | 5.0 | Colonies/100 ml | Lab | ||
| Dissolved Oxygen | 13.0 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 8.58 | ug/L | Lab | ||
| Chloride | 51.7 | mg/L | Lab | ||
| Alkalinity | 114.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Cayuga Heights Sewage Outfall (CHSTP) |
Turbidity | 2.4 | NTU | Lab | |
| Total Phosphorus (as P) | 10.6 | ug/L | Lab | ||
| Temperature | 11.0 | C | Field | ||
| Specific Conductance | 428.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 1.0 | ug/L | Non-detect; Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 3.0 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 1.01 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 140.0 | mg CaCO3/L | Lab | ||
| E. Coli | 2.5 | Colonies/100 ml | non-detect | Lab | |
| Dissolved Oxygen | 12.8 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 5.65 | ug/L | Lab | ||
| Chloride | 52.4 | mg/L | Lab | ||
| Alkalinity | 114.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Lake Source Cooling Outfall (LSC) |
Turbidity | 1.3 | NTU | Lab | |
| Total Phosphorus (as P) | 9.31 | ug/L | Lab | ||
| Temperature | 12.0 | C | Field | ||
| Specific Conductance | 427.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 1.0 | ug/L | Non-detect; Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 3.5 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 0.97 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 140.0 | mg CaCO3/L | Lab | ||
| E. Coli | 2.5 | Colonies/100 ml | non-detect | Lab | |
| Dissolved Oxygen | 11.7 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 9.02 | ug/L | Lab | ||
| Chloride | 51.5 | mg/L | Lab | ||
| Alkalinity | 115.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Middle of Shallow Southern Shelf (Shelf Control) |
Turbidity | 1.1 | NTU | Lab | |
| Total Phosphorus (as P) | 14.0 | ug/L | Lab | ||
| Temperature | 11.0 | C | Field | ||
| Specific Conductance | 431.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 1.0 | ug/L | Non-detect; Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 3.5 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 0.98 | mg/L | Lab | ||
| Kjeldahl Nitrogen, Total (as N) | 0.36 | mg/L | Estimate | Lab | |
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 138.0 | mg CaCO3/L | Lab | ||
| E. Coli | 2.5 | Colonies/100 ml | non-detect | Lab | |
| Dissolved Oxygen | 11.6 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 10.5 | ug/L | Lab | ||
| Chloride | 51.7 | mg/L | Lab | ||
| Alkalinity | 113.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Middle of Lake Opposite Mouth of Salmon Creek (H) (CLMSC-3 Deep) |
Turbidity | 1.1 | NTU | Lab | |
| Total Phosphorus (as P) | 11.3 | ug/L | Lab | ||
| Temperature | 10.0 | C | Field | ||
| Specific Conductance | 437.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 8.3 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Nitrate-+Nitrite-Nitrogen (as N) | 1.04 | mg/L | Lab | ||
| Kjeldahl Nitrogen, Total (as N) | 0.14 | mg/L | non-detect | Lab | |
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 144.0 | mg CaCO3/L | Lab | ||
| E. Coli | 2.5 | Colonies/100 ml | non-detect | Lab | |
| Dissolved Oxygen | 10.8 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 6.52 | ug/L | Lab | ||
| Chloride | 53.7 | mg/L | Lab | ||
| Alkalinity | 111.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Middle of Lake Opposite Mouth of Salmon Creek (E) (CLMSC-3 Shallow) |
Turbidity | 1.8 | NTU | Lab | |
| Total Phosphorus (as P) | 13.2 | ug/L | Lab | ||
| Temperature | 18.0 | C | Field | ||
| Specific Conductance | 431.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 3.45 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 2.75 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 0.9 | mg/L | Lab | ||
| Kjeldahl Nitrogen, Total (as N) | 0.41 | mg/L | Estimate | Lab | |
| Hydrogen Ion (pH) | 8.5 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 140.0 | mg CaCO3/L | Lab | ||
| E. Coli | 2.5 | Colonies/100 ml | non-detect | Lab | |
| Dissolved Oxygen | 10.0 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 14.0 | ug/L | Lab | ||
| Chloride | 52.3 | mg/L | Lab | ||
| Alkalinity | 113.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Cayuga Lake North of Myers Point (H) (CLMSC-2 Deep) |
Turbidity | 1.3 | NTU | Lab | |
| Total Phosphorus (as P) | 27.8 | ug/L | Lab | ||
| Temperature | 3.0 | C | Field | ||
| Specific Conductance | 433.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 15.2 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 2.5 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 1.06 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.0 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 141.0 | mg CaCO3/L | Lab | ||
| E. Coli | 2.5 | Colonies/100 ml | non-detect | Lab | |
| Dissolved Oxygen | 11.0 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 1.32 | ug/L | Lab | ||
| Chloride | 52.4 | mg/L | Lab | ||
| Alkalinity | 113.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Cayuga Lake North of Myers Point (E) (CLMSC-2 Shallow) |
Turbidity | 1.0 | NTU | Lab | |
| Total Phosphorus (as P) | 22.9 | ug/L | Lab | ||
| Temperature | 15.0 | C | Field | ||
| Specific Conductance | 432.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 1.0 | ug/L | Non-detect; Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 2.5 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 0.89 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.5 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 141.0 | mg CaCO3/L | Lab | ||
| E. Coli | 2.5 | Colonies/100 ml | non-detect | Lab | |
| Dissolved Oxygen | 10.1 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 11.0 | ug/L | Lab | ||
| Chloride | 52.3 | mg/L | Lab | ||
| Alkalinity | 111.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Cayuga Lake near Mouth of Salmon Creek (CLMSC-1) |
Turbidity | 0.95 | NTU | Lab | |
| Total Phosphorus (as P) | 9.94 | ug/L | Lab | ||
| Temperature | 18.0 | C | Field | ||
| Specific Conductance | 430.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 1.0 | ug/L | Non-detect; Exceeded 15 min. holding time for filtration | Lab | |
| Secchi Depth | 3.0 | m | Field | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 0.9 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.5 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 139.0 | mg CaCO3/L | Lab | ||
| E. Coli | 5.0 | Colonies/100 ml | Lab | ||
| Dissolved Oxygen | 9.8 | mg/L | Not Certifiable | Lab | |
| Chlorophyll | 11.1 | ug/L | Lab | ||
| Chloride | 51.6 | mg/L | Lab | ||
| Alkalinity | 113.0 | mg CaCO3/L | Sample collected with head space | Lab |