Synoptic Monitoring Event on May 21, 2026
for Sheldrake Creek under Base Flow conditions
Notes: Event Time= Time of sampling (Eastern Time) at stream mouth at route 153 crossing (SHCM); Mouth at Route 153 crossing (SHCM): Foul smelling dark blue soil/ possible wastewater out of a culvert
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 Lodi Covert Townline Rd. (SHCLC) |
Turbidity | 3.0 | NTU | Lab | |
| Total Phosphorus (as P) | 13.2 | ug/L | Lab | ||
| Temperature | 10.0 | C | Field | ||
| Specific Conductance | 413.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 11.7 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 3.3 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 1.74 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.0 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 198.0 | mg CaCO3/L | Lab | ||
| E. Coli | 210.0 | Colonies/100 ml | Lab | ||
| Chloride | 19.9 | mg/L | Lab | ||
| Alkalinity | 170.0 | mg CaCO3/L | Sample Collected with head space | Lab | |
|
Sheldrake Creek at Hall Rd. (SHCHP) |
Turbidity | 2.7 | NTU | Lab | |
| Total Phosphorus (as P) | 13.5 | ug/L | Lab | ||
| Temperature | 13.5 | C | Field | ||
| Specific Conductance | 454.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 13.0 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 2.7 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 1.0 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 211.0 | mg CaCO3/L | Lab | ||
| E. Coli | 125.0 | Colonies/100 ml | Lab | ||
| Chloride | 19.0 | mg/L | Lab | ||
| Alkalinity | 193.0 | mg CaCO3/L | Sample Collected with head space | Lab | |
|
Sheldrake Creek Mouth (SHCM) |
Turbidity | 1.0 | NTU | Lab | |
| Total Phosphorus (as P) | 10.1 | ug/L | Lab | ||
| Temperature | 12.0 | C | Field | ||
| Specific Conductance | 451.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 10.2 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 2.0 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 0.86 | mg/L | Lab | ||
| Kjeldahl Nitrogen, Total (as N) | 0.27 | mg/L | Estimated | Lab | |
| Hydrogen Ion (pH) | 8.25 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Lab | |
| Hardness, Total | 202.0 | mg CaCO3/L | Lab | ||
| E. Coli | 30.0 | Colonies/100 ml | Lab | ||
| Chloride | 23.1 | mg/L | Lab | ||
| Alkalinity | 183.0 | mg CaCO3/L | Sample Collected with head space | Lab |