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Environment Agency monitoring point
AYLESTON BROOK WIDLAND
EA sampling point SW-70910356 · Ayleston Brook · 606 samples · 13 determinands · latest 2026-05-13
Alkalinity to pH 4.5 as CaCO3 (MILLIGRAM PER LITRE) over time
Samples — Alkalinity to pH 4.5 as CaCO3
| Date | Result | Unit | Purpose |
|---|---|---|---|
| 2026-05-13 09:58 | 69 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-04-16 11:12 | 68 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-03-02 09:00 | 54 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-02-11 10:02 | 55 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-01-20 10:52 | 55 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-12-11 10:42 | 56 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-11-21 09:46 | 62 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-10-23 10:25 | 55 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-09-18 09:54 | 58 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-08-21 10:05 | 53 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-07-24 10:18 | 72 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-06-19 09:54 | 71 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-06-02 13:13 | 71 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-04-09 09:11 | 67 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-03-14 10:03 | 62 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-02-04 10:19 | 61 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-01-21 12:01 | 61 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-12-03 09:25 | 60 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-11-22 10:22 | 61 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-10-14 11:45 | 54 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-09-25 14:17 | 61 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-08-30 11:55 | 71 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-07-18 11:21 | 74 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-06-19 13:44 | 68 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-03-27 15:07 | 57 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-02-23 11:33 | 55 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-02-15 14:16 | 49 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2024-01-09 13:11 | 55 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-12-04 12:01 | 43 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-11-03 10:37 | 48 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-10-05 09:20 | 64 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-09-29 11:37 | 63 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-07-31 10:27 | 69 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-06-06 09:56 | 65 | MILLIGRAM PER LITRE | PLANNED INVESTIGATION (LOCAL MONITORING) |
| 2023-03-10 10:30 | 54 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2023-02-09 10:49 | 53 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2023-01-19 12:00 | 44 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-12-08 11:12 | 51 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-11-17 09:09 | 48 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-10-25 14:19 | 65 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-09-15 10:08 | 66 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-08-16 09:43 | 21 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-07-26 11:31 | 61 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-06-21 09:13 | 69 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-05-26 12:26 | 74 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2022-04-22 09:08 | 66 | MILLIGRAM PER LITRE | ENVIRONMENTAL MONITORING STATUTORY (EU DIRECTIVES) |
| 2021-08-11 13:03 | 62 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2021-07-21 11:11 | 61 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2021-05-18 10:21 | 57 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
Source: Environment Agency Water Quality Archive (per-sample observations), Open Government Licence. Regulator monitoring — complements Friends of the Dart’s citizen sampling.