Synoptic Monitoring Event on June 21, 2023
for Sheldrake Creek under Base Flow conditions
Notes: Event Time = Time of sampling (Eastern Time) at stream mouth (Sheldrake Creek Mouth)
Sheldrake Creek 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 |
|---|---|---|---|---|---|
|
Sheldrake Creek at Hall Rd. (SHCHP) |
Turbidity | 1.4 | NTU | Field blank failed, results may be biased high | Lab |
| Total Phosphorus (as P) | 31.0 | ug/L | Field blank failed, results may be biased high | Lab | |
| Temperature | 19.0 | C | Field | ||
| Specific Conductance | 550.0 | uS/cm | Field blank failed, results may be biased high | Lab | |
| Soluble Reactive Phosphorus (as P) | 20.5 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 1.67 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 5.84 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.5 | Unitless (negative logarithm of H ion concentration) | Not Certifiable; Field blank failed, results may be biased low | Lab | |
| Hardness, Total | 266.0 | mg CaCO3/L | Lab | ||
| E. Coli | 100.0 | Colonies/100 ml | Field duplicate exceeds criteria based on RPD, but absolute concentration difference is relatively small considering the number of colonies cultured | Lab | |
| Dissolved Oxygen | 9.8 | mg/L | Not Certifiable | Lab | |
| Chloride | 31.2 | mg/L | Lab | ||
| Alkalinity | 194.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Sheldrake Creek at Lodi Covert Townline Rd. (SHCLC) |
Turbidity | 2.3 | NTU | Field blank failed, results may be biased high | Lab |
| Total Phosphorus (as P) | 22.0 | ug/L | Field blank failed, results may be biased high | Lab | |
| Temperature | 17.0 | C | Field | ||
| Specific Conductance | 446.0 | uS/cm | Field blank failed, results may be biased high | Lab | |
| Soluble Reactive Phosphorus (as P) | 2.98 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 5.0 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 2.3 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.0 | Unitless (negative logarithm of H ion concentration) | Not Certifiable; Field blank failed, results may be biased low | Lab | |
| Hardness, Total | 223.0 | mg CaCO3/L | Lab | ||
| E. Coli | 500.0 | Colonies/100 ml | Field duplicate exceeds criteria based on RPD, but absolute concentration difference is relatively small considering the number of colonies cultured | Lab | |
| Dissolved Oxygen | 8.3 | mg/L | Not Certifiable | Lab | |
| Chloride | 20.2 | mg/L | Lab | ||
| Alkalinity | 179.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Sheldrake Creek at 96a (SHC96a) |
Turbidity | 1.8 | NTU | Field blank failed, results may be biased high | Lab |
| Total Phosphorus (as P) | 14.6 | ug/L | Field blank failed, results may be biased high | Lab | |
| Temperature | 17.0 | C | Field | ||
| Specific Conductance | 463.0 | uS/cm | Field blank failed, results may be biased high | Lab | |
| Soluble Reactive Phosphorus (as P) | 6.73 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 2.25 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 1.46 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable; Field blank failed, results may be biased low | Lab | |
| Hardness, Total | 234.0 | mg CaCO3/L | Lab | ||
| E. Coli | 345.0 | Colonies/100 ml | Field duplicate exceeds criteria based on RPD, but absolute concentration difference is relatively small considering the number of colonies cultured | Lab | |
| Dissolved Oxygen | 9.0 | mg/L | Not Certifiable | Lab | |
| Chloride | 20.4 | mg/L | Lab | ||
| Alkalinity | 198.0 | mg CaCO3/L | Sample collected with head space | Lab | |
|
Sheldrake Creek Mouth (SHCM) |
Turbidity | 0.2 | NTU | Field blank failed, results may be biased high | Lab |
| Total Phosphorus (as P) | 14.8 | ug/L | Field blank failed, results may be biased high | Lab | |
| Temperature | 17.0 | C | Field | ||
| Specific Conductance | 562.0 | uS/cm | Field blank failed, results may be biased high | Lab | |
| Soluble Reactive Phosphorus (as P) | 7.52 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 0.63 | mg/L | non-detect | Lab | |
| Nitrate-+Nitrite-Nitrogen (as N) | 6.61 | mg/L | Lab | ||
| Kjeldahl Nitrogen, Total (as N) | 0.17 | mg/L | non-detect; Result may be biased low when Nitrate+Nitrite Nitrogen (as N) > 4 mg/L | Lab | |
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable; Field blank failed, results may be biased low | Lab | |
| Hardness, Total | 261.0 | mg CaCO3/L | Lab | ||
| E. Coli | 40.0 | Colonies/100 ml | Field duplicate exceeds criteria based on RPD, but absolute concentration difference is relatively small considering the number of colonies cultured | Lab | |
| Dissolved Oxygen | 8.7 | mg/L | Not Certifiable | Lab | |
| Chloride | 31.2 | mg/L | Lab | ||
| Alkalinity | 191.0 | mg CaCO3/L | Sample collected with head space | Lab |