River Dart Data
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Environment Agency monitoring point

STAVERTON STW FE

EA sampling point SW-70720139 · Dart · 192 samples · 3 determinands · latest 2026-04-10

Ammoniacal Nitrogen as N (MILLIGRAM PER LITRE) over time

Samples — Ammoniacal Nitrogen as N

DateResultUnitPurpose
2026-04-02 06:50—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-03-18 11:25—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-02-11 09:10—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-01-29 10:20—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-12-12 10:35—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-11-20 07:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-10-31 11:19—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-09-19 10:00—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-08-27 07:300.46MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-07-18 08:45—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-06-19 08:20—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-05-04 09:0015MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-04-15 09:10—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-03-20 07:50—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-02-18 09:25—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-01-16 10:002MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-11-29 09:30—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-11-19 11:20—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-10-15 12:50—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-09-05 07:04—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-08-04 07:50—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-07-23 14:10—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-06-21 10:30—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-05-21 08:00—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-04-25 09:32—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-03-14 08:20—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-02-13 08:50—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-01-18 10:550.6MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-12-05 10:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-11-20 10:500.55MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-10-27 10:45—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-09-15 12:480.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-08-31 10:121.9MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-08-13 09:00—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-06-08 11:360.48MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-06-01 11:460.58MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-05-16 10:35—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-03-23 10:350.26MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-02-14 10:250.45MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-01-12 12:27—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-12-13 11:400.47MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-11-22 10:400.27MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-10-28 10:280.24MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-09-09 10:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-08-14 08:300.3MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-07-26 12:450.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-06-24 09:550.28MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-05-17 12:350.49MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-04-29 11:300.31MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-03-24 10:000.52MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-02-15 11:550.26MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-01-13 13:35—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-12-14 09:25—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-11-23 12:250.49MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-10-29 12:500.2MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-09-09 11:456.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-08-15 10:000.2MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-07-27 10:100.32MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-06-23 10:001.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-05-18 11:100.26MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-04-16 12:301.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-03-25 09:400.2MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-02-26 10:30—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-02-16 09:25—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA

Source: Environment Agency Water Quality Archive (per-sample observations), Open Government Licence. Regulator monitoring — complements Friends of the Dart’s citizen sampling.