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Environment Agency monitoring point
AYLESTON BROOK AT COTTLASS FARM
EA sampling point SW-70920250 · Ayleston Brook · 396 samples · 12 determinands · latest 2025-03-14
Alkalinity to pH 4.5 as CaCO3 (MILLIGRAM PER LITRE) over time
Samples — Alkalinity to pH 4.5 as CaCO3
| Date | Result | Unit | Purpose |
|---|---|---|---|
| 2025-03-14 09:49 | 89 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2025-02-05 13:09 | 89 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2025-01-08 09:54 | 83 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-12-02 09:19 | 86 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-11-08 10:04 | 93 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-10-11 10:23 | 86 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-09-10 13:58 | 110 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-08-07 16:51 | 110 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-07-12 13:44 | 98 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-06-06 12:11 | 93 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-03-27 15:09 | 74 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-02-23 11:11 | 74 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-02-14 10:52 | 69 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-01-08 12:29 | 76 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-12-06 10:06 | 78 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-11-08 10:09 | 66 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-10-23 10:12 | 86 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-09-29 11:12 | 89 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-07-27 09:01 | 30 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-06-14 09:58 | 100 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-05-16 14:38 | 85 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-03-10 10:40 | 79 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2023-02-02 13:19 | 88 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2023-01-19 11:48 | 68 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-12-01 12:27 | 74 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-11-04 13:56 | 77 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-10-20 10:42 | 120 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-09-21 10:27 | 120 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-08-16 10:00 | 120 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-07-05 10:18 | 120 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-06-21 09:36 | 110 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-05-11 11:44 | 98 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-04-22 08:53 | 98 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
Source: Environment Agency Water Quality Archive (per-sample observations), Open Government Licence. Regulator monitoring — complements Friends of the Dart’s citizen sampling.