The water at Indian Brook is tested every two weeks through the Vermont Department of Health. The Parks and Recreation Department tests the water in three different locations. The locations are identified on the map. The Department of Health has identified an E-coli level resulting in less than 235/100ml to be suitable for swimming. The test results from the three locations are posted below.
| Date: | Near Ledge:
| Near Boat Launch:
| Near Dam
|
| 6.5.23 | 1 | 0 | 0 |
| 5.24.23 | 0 | 5 | 28 |
| 10.31.22 (last test for 2022) | 1 | 9 | 2 |
| 10.17.22 | 3 | 2 | 1 |
| 10.4.22 | 2 | 1 | 1 |
| 9.26.22 | 0 | 1 | 3 |
| 9.13.22 | 1 | 0 | 1 |
| 8.29.22 | 4 | 8 | 6 |
| 8.9.22 | 4 | 6 | 3 |
| 7.25.22 | 5 | 11 | 3 |
| 7.12.22 | 1 | 5 | 0 |
| 6.27.22 | 46 | 50 | 21 |
| 6.14.22 | 2 | 0 | 0 |
| 5.31.22 | 2 | 1 | 4 |
| 5.16.22 | 2 | 5 | 0 |
| 5.4.22 | 1 | 0 | 0 |
| 9.21.21 | 6 | 3 | 5 |
| 9.7.21 | 0 | 5 | 3 |
| 8.24.21 | 0 | 8 | 2 |
| 8.10.21 | 1 | 2 | 6 |
| 7.27.21 | 15 | 28 | 71 |
| 7.13.21 | 57 | 2 | 2 |
| 6.22.21 | 2 | 2 | 2 |
| 6.9.21 | 6 | 108 | 5 |