Fen (YOSE-Fen)
| Organization | NatureBridge Yosemite |
| today Registration Date | March 29, 2024, 8:43 p.m. |
| Deployment Date | - |
| Latitude | 37.73172 |
| Longitude | -119.56065 |
| Elevation (m) | 4093.0 |
| Elevation Datum | MSL |
| layers Site Type | Wetland |
| Stream Name | Merced River |
| landscape Major Watershed | (HUC 8 level): 18040008 |
| Sub Basin | (HUC 12 level): 180400080343 |
| location_city Closest Town | Yosemite |
| notes Notes | - |
Sensor Observations at this Site
| info | Only the most recent 72 hours of available data are shown on the sparkline plots. The plots are broken when there are gaps in the data longer than 6 hours. Plots shaded in green have recent data. Plots shaded in red have not reported data in the last 72 hours. |
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No sensors have been added to this site.
Macroinvertebrate Data at this Site
| Begin Date | Total Number of Individuals Found | Pollution Tolerance Index Score | Pollution Tolerance Index Rating | Percent EPT | |
|---|---|---|---|---|---|
| Sept. 1, 2025 | 37 | 6 | Poor - Severe pollution likely | 2.70% | View Details |
| Sept. 1, 2025 | 8 | 7 | Poor - Severe pollution likely | 75.00% | View Details |
| Aug. 1, 2025 | 34 | 15 | Fair - Substantial pollution likely | 8.82% | View Details |
| Jan. 10, 2025 | 24 | 17 | Good - Some organic pollution | 16.67% | View Details |
| Dec. 1, 2024 | 23 | 5 | Poor - Severe pollution likely | 4.35% | View Details |
| Oct. 1, 2024 | 9 | 5 | Poor - Severe pollution likely | 22.22% | View Details |
| Oct. 1, 2024 | 3 | 5 | Poor - Severe pollution likely | 33.33% | View Details |
| Oct. 1, 2024 | 5 | 6 | Poor - Severe pollution likely | 20.00% | View Details |
| Oct. 1, 2024 | 2 | 4 | Poor - Severe pollution likely | 50.00% | View Details |
| Sept. 1, 2024 | 15 | 9 | Poor - Severe pollution likely | 46.67% | View Details |
| Sept. 1, 2024 | 17 | 10 | Poor - Severe pollution likely | 23.53% | View Details |
| Sept. 1, 2024 | 3 | 6 | Poor - Severe pollution likely | 33.33% | View Details |
| May 1, 2024 | 9 | 10 | Poor - Severe pollution likely | 11.11% | View Details |
| May 1, 2024 | 4 | 5 | Poor - Severe pollution likely | 25.00% | View Details |
| May 1, 2024 | 54 | 14 | Fair - Substantial pollution likely | 12.96% | View Details |
| April 1, 2024 | 7 | 7 | Poor - Severe pollution likely | 28.57% | View Details |
| April 1, 2024 | 36 | 16 | Fair - Substantial pollution likely | 47.22% | View Details |
| March 1, 2024 | 17 | 5 | Poor - Severe pollution likely | 64.71% | View Details |
| March 1, 2024 | 10 | 6 | Poor - Severe pollution likely | 100.00% | View Details |
| March 1, 2024 | 5 | 7 | Poor - Severe pollution likely | 60.00% | View Details |
| March 1, 2024 | 4 | 7 | Poor - Severe pollution likely | 50.00% | View Details |
| March 1, 2024 | 13 | 10 | Poor - Severe pollution likely | 46.15% | View Details |
| Feb. 1, 2024 | 5 | 11 | Fair - Substantial pollution likely | 40.00% | View Details |
| Feb. 1, 2024 | 12 | 7 | Poor - Severe pollution likely | 16.67% | View Details |
| Feb. 1, 2024 | 12 | 8 | Poor - Severe pollution likely | 50.00% | View Details |
| Jan. 1, 2024 | 15 | 6 | Poor - Severe pollution likely | 60.00% | View Details |
| Dec. 1, 2023 | 37 | 11 | Fair - Substantial pollution likely | 59.46% | View Details |
| Dec. 1, 2023 | 34 | 9 | Poor - Severe pollution likely | 82.35% | View Details |
| Nov. 1, 2023 | 22 | 12 | Fair - Substantial pollution likely | 9.09% | View Details |
| Nov. 1, 2023 | 4 | 8 | Poor - Severe pollution likely | 25.00% | View Details |
| Nov. 1, 2023 | 12 | 3 | Poor - Severe pollution likely | 0.00% | View Details |
| Nov. 1, 2023 | 5 | 6 | Poor - Severe pollution likely | 20.00% | View Details |
| Nov. 1, 2023 | 12 | 13 | Fair - Substantial pollution likely | 41.67% | View Details |
| Oct. 1, 2023 | 17 | 12 | Fair - Substantial pollution likely | 82.35% | View Details |
StreamWatch Assessments at this Site
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No assessments have been added to this site.