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Environment Agency monitoring point
AM BROOK AT COLLACOMBE BRIDGE
EA sampling point SW-70721066 · Am Brook · 476 samples · 14 determinands · latest 2026-05-22
Alkalinity to pH 4.5 as CaCO3 (MILLIGRAM PER LITRE) over time
Samples — Alkalinity to pH 4.5 as CaCO3
| Date | Result | Unit | Purpose |
|---|---|---|---|
| 2026-05-22 10:28 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-05-07 12:21 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-04-27 14:47 | 150 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-03-16 10:01 | 140 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-03-09 10:27 | 150 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-02-19 11:17 | 130 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-02-02 12:12 | 140 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-01-28 14:20 | 120 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-01-12 10:08 | 130 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-12-16 12:05 | 120 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-12-05 10:40 | 130 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-11-13 12:21 | 130 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-03-10 10:28 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-02-12 09:13 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-01-23 11:31 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-12-02 11:39 | 150 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-11-18 14:42 | 170 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-10-14 10:48 | 120 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-09-20 13:35 | 140 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-09-10 16:29 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-07-22 11:56 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-06-24 12:54 | 110 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-05-13 10:30 | 150 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-04-15 10:02 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-04-08 10:53 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-03-01 10:35 | 130 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-02-21 12:55 | 75 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-01-15 09:24 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2023-12-07 10:57 | 100 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2023-11-20 10:53 | 150 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2023-10-24 09:49 | 140 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2023-09-20 10:21 | 130 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2023-08-03 11:15 | 160 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2023-06-28 10:26 | 150 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2021-10-06 11:43 | 130 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2021-07-21 10:09 | 170 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2021-06-29 11:06 | 150 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2021-05-13 10:32 | 86 | 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.