River Dart Data
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Environment Agency monitoring point

HARBERTON STW FE

EA sampling point SW-70712263 · Harbourne River · 190 samples · 4 determinands · latest 2026-04-15

Ammoniacal Nitrogen as N (MILLIGRAM PER LITRE) over time

Samples — Ammoniacal Nitrogen as N

DateResultUnitPurpose
2026-04-15 10:45—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-03-18 10:15—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-02-10 08:40—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-01-09 10:50—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-12-13 09:30—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-12-11 10:00—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-10-31 11:58—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-09-18 11:12—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-08-08 06:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-07-18 06:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-06-18 07:40—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-05-02 08:40—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-04-15 07:157.2MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-03-19 08:152.3MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-02-06 08:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-01-16 08:000.69MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-11-28 08:35—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-11-03 08:49—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-10-15 12:15—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-09-04 08:451.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-08-20 13:251.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-07-23 12:451.24MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-06-20 11:050.63MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-05-29 07:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-04-25 07:48—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-03-13 07:35—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-02-22 09:05—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-01-18 09:00—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-12-04 11:33—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-11-05 08:20—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-10-27 08:05—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-09-14 12:241.67MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-08-31 11:487.26MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-08-25 12:251.86MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-06-07 11:581.19MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-06-01 11:10—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-05-05 08:00—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-03-22 09:50—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-02-28 10:350.28MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-01-12 11:57—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-12-12 12:250.21MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-11-06 10:400.34MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-10-28 12:030.73MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-09-08 11:051.3MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-08-26 11:201.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-07-26 12:051.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-06-23 12:000.92MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-05-04 13:500.32MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-04-29 11:02—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-03-23 11:100.23MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-02-22 13:20—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-01-13 13:070.27MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-12-13 11:35—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-11-07 10:25—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-10-29 12:050.21MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-09-08 11:150.22MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-08-27 08:450.34MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-07-27 12:200.28MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-06-22 08:500.31MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-04-16 10:250.32MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-04-09 10:55—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-03-24 09:00—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-02-23 09:450.35MILLIGRAM 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.