Synoptic Monitoring Event on November 18, 2025
for Johnsons Creek under Base Flow conditions
Notes: Event Time = Time of sampling (Eastern Time) at stream mouth (Johnsons Creek Mouth-Deans Cove)
Johnsons 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 |
|---|---|---|---|---|---|
|
Johnsons Creek Yerkes (JCY) |
Turbidity | 55.0 | NTU | Lab | |
| Total Phosphorus (as P) | 297.0 | ug/L | Lab | ||
| Temperature | 2.0 | C | Field | ||
| Specific Conductance | 651.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 155.0 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 17.7 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 8.62 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.1 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Field | |
| E. Coli | 2000.0 | Colonies/100 ml | TNTC - min. estimate | Lab | |
| Chloride | 21.0 | mg/L | Lab | ||
|
Johnsons Creek - Dump (JCD) |
Turbidity | 4.8 | NTU | Lab | |
| Total Phosphorus (as P) | 127.0 | ug/L | Lab | ||
| Temperature | 4.0 | C | Field | ||
| Specific Conductance | 700.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 99.9 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 0.7 | mg/L | non-detect | Lab | |
| Nitrate-+Nitrite-Nitrogen (as N) | 8.1 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.2 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Field | |
| E. Coli | 840.0 | Colonies/100 ml | Lab | ||
| Chloride | 70.3 | mg/L | Lab | ||
|
Johnsons Creek Gully (JCG) |
Turbidity | 5.9 | NTU | Lab | |
| Total Phosphorus (as P) | 76.7 | ug/L | Lab | ||
| Temperature | 3.0 | C | Field | ||
| Specific Conductance | 638.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 55.3 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 1.4 | mg/L | Lab | ||
| Nitrate-+Nitrite-Nitrogen (as N) | 9.62 | mg/L | Lab | ||
| Hydrogen Ion (pH) | 8.5 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Field | |
| E. Coli | 60.0 | Colonies/100 ml | Lab | ||
| Chloride | 64.6 | mg/L | Lab | ||
|
Johnsons Creek Mouth-Deans Cove (JCDC) |
Turbidity | 4.1 | NTU | Lab | |
| Total Phosphorus (as P) | 48.5 | ug/L | Lab | ||
| Temperature | 8.0 | C | Field | ||
| Specific Conductance | 604.0 | uS/cm | Lab | ||
| Soluble Reactive Phosphorus (as P) | 45.8 | ug/L | Exceeded 15 min. holding time for filtration | Lab | |
| Solids, Total Suspended | 0.7 | mg/L | non-detect | Lab | |
| Nitrate-+Nitrite-Nitrogen (as N) | 8.09 | mg/L | Lab | ||
| Kjeldahl Nitrogen, Total (as N) | 0.14 | mg/L | non-detect; Result may be biased low when Nitrate+Nitrite Nitrogen (as N) > 4 mg/L | Lab | |
| Hydrogen Ion (pH) | 7.6 | Unitless (negative logarithm of H ion concentration) | Not Certifiable | Field | |
| E. Coli | 250.0 | Colonies/100 ml | Lab | ||
| Chloride | 45.4 | mg/L | Lab |