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Environment Agency monitoring point
HIGHER BLAGDON FARM - MILL POOL STREAM
EA sampling point SW-SSN0032 · 827 samples · 109 determinands · latest 2026-05-13
Ammonia un-ionised as N (MILLIGRAM PER LITRE) over time
Samples — Ammonia un-ionised as N
| Date | Result | Unit | Purpose |
|---|---|---|---|
| 2026-05-13 10:27 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-04-22 11:29 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-03-05 13:30 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-02-03 11:16 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2026-01-08 09:38 | 0.00052 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-12-05 10:24 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-11-20 10:22 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-10-20 14:18 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-09-12 10:03 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-08-29 09:35 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-07-29 09:55 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-06-20 12:29 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-05-13 12:40 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-04-11 11:54 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-03-05 12:30 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-02-20 09:10 | 0.00063 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2025-01-27 10:45 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-12-10 09:06 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-11-13 10:06 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-10-09 10:18 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-09-12 08:51 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-08-21 12:43 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-07-04 12:55 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-06-24 12:12 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-05-13 09:39 | 0.00063 | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-04-05 10:16 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-03-12 09:36 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-02-15 09:44 | — | MILLIGRAM PER LITRE | MONITORING (NATIONAL AGENCY POLICY) |
| 2024-01-04 11:31 | — | 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.