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Environment Agency monitoring point
EAST DART RIVER AT POSTBRIDGE
EA sampling point SW-70724140 · East Dart River · 221 samples · 13 determinands · latest 2026-05-01
Alkalinity to pH 4.5 as CaCO3 (MILLIGRAM PER LITRE) over time
Samples — Alkalinity to pH 4.5 as CaCO3
| Date | Result | Unit | Purpose |
|---|---|---|---|
| 2026-05-01 13:22 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-04-21 10:38 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-03-03 09:53 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-02-09 10:26 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-01-12 10:13 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-03-05 11:10 | 6 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-02-10 12:11 | 32 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-01-20 09:58 | 6 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-12-04 12:27 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-11-20 13:39 | 5 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-10-28 09:54 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-09-20 11:19 | 8 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-08-19 12:26 | 7 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-07-15 09:11 | 6 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-06-17 13:18 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-05-17 10:03 | 6 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-04-15 11:04 | — | 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.