River Dart Data
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Environment Agency monitoring point

BROADHEMPSTON (NEW) STW FE

EA sampling point SW-70720812 · Hems - Upper · 186 samples · 4 determinands · latest 2026-04-10

Ammoniacal Nitrogen as N (MILLIGRAM PER LITRE) over time

Samples — Ammoniacal Nitrogen as N

DateResultUnitPurpose
2026-04-02 07:451.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-03-18 11:4511MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-02-11 09:300.82MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2026-01-29 09:551.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-12-11 11:004.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-11-20 08:200.6MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-10-31 10:576.8MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-09-19 09:47—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-08-27 08:008.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-07-18 09:050.91MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-06-19 08:350.85MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-05-04 09:1515MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-04-15 09:3012MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-03-20 08:085.1MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-02-18 09:400.74MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2025-01-16 10:401.9MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-11-29 09:102.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-11-19 11:004.9MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-10-15 13:108.3MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-09-05 10:2014MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-08-04 08:0816MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-07-23 13:457.59MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-06-21 10:0012.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-05-21 08:250.69MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-04-25 09:547.02MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-03-14 09:502.73MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-02-13 09:201.45MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2024-01-18 11:24—MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-12-05 10:287.91MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-11-20 10:284MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-10-27 10:053.55MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-09-15 13:1517.7MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-08-31 09:4518.8MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-08-13 08:4010.9MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-06-01 12:060.93MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-03-23 10:506.1MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-02-14 09:554.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2023-01-12 13:030.25MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-12-13 11:554MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-11-22 10:558.1MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-10-28 10:0912MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-09-09 11:159.9MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-08-14 09:4517MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-07-26 13:1511MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-06-24 09:359.8MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-05-17 12:2014MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-03-24 10:1511MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-02-15 12:351.3MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2022-01-13 13:5416MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-12-14 10:402.4MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-11-23 12:402.6MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-10-29 13:154.2MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-09-09 10:359.1MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-08-15 10:308.5MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-07-27 09:556MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-06-23 10:201.3MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-05-18 11:504.9MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-04-16 12:5018MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-03-25 10:000.36MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-02-26 10:5014MILLIGRAM PER LITREWATER QUALITY OPERATOR SELF MONITORING COMPLIANCE DATA
2021-02-16 09:400.96MILLIGRAM 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.