Trout Brook (WACH-M110)
| Organization | Massachusetts Department of Conservation and Recreation (DWSP) |
| today Registration Date | Sept. 1, 2021, 12:52 p.m. |
| Deployment Date | Nov. 2, 2023, 11:27 a.m. |
| Latitude | 42.38347367 |
| Longitude | -71.83707125 |
| Elevation (m) | 162.5 |
| Elevation Datum | MSL |
| layers Site Type | Water quality station |
| Stream Name | Trout Brook |
| landscape Major Watershed | Nashua River |
| Sub Basin | Wachusett Reservoir |
| location_city Closest Town | Holden, MA |
| notes Notes | Drainage Area: 4,334.25 Acres Field Parameters w/ YSI Pro+: Temperature, water depth, specific conductance, pH, dissolved oxygen (3x Monthly) Lab Parameters: E. coli (2x/month), NO2-N, NO3-N , NH3-N, TKN, TP, TSS, TOC, Chloride, Mean UV254, Alkalinity (1x/month) Continuous Sensor Parameters: Temperature, water depth, specific conductance (Hydros 21) |
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. |
Last observation
Dec. 14, 2025, 8:15 a.m. (UTC-05:00)
Dec. 14, 2025, 8:15 a.m. (UTC-05:00)
110.7
(uS/cm)
| Medium | Liquid aqueous |
| Sensor | METER_HYDROS 21 |
Macroinvertebrate Data at this Site
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No Macroinvertebrate Data have been added to this site.
StreamWatch Assessments at this Site
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No assessments have been added to this site.