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| Station: | UNNAMED STREAM (TOPSHAM 4) - STATION 634 |
| Station Number: | S-634 |
| Town: | TOPSHAM |
| County: | SAGADAHOC |
| Major Drainage: | ANDROSCOGGIN |
| Site Type: | STREAM/RIVER BIOMONITORING |
| Sample Type: | MACROINVERTEBRATE |
| Latitude: | 43.93188931 |
| Longitude: | -69.98296767 |
| Sample ID | Sample Date | Statutory Class | Attainment | Report | Final Determination |
| 1166 | 8/23/2002 | B | Yes | B | |
| 1563 | 8/14/2006 | B | Yes | View | A |
| 1721 | 8/13/2008 | B | No | View | NA |
| 2192 | 8/7/2013 | B | Indeterminate | View | I |
| 2261 | 8/11/2014 | B | No | View | C |
| 2658 | 8/13/2018 | B | No | View | NA |
| 3068 | 8/9/2023 | -- | -- |
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