Shaft Discharge

EA name: SHAFT DISCHARGE
Environment Agency sampling point SW-70633220 · Freshwater - rivers · listed as open (“open” does not mean it is sampled now)

These are samples taken on a date, not live readings of the river. Results reach the Environment Agency's archive days to months after the sample is taken, so the newest here may be weeks or months old. FloodRadar does not grade them.

Where and when

Last sampled
25 Mar 2026, 14:386 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 30 Sep 2026 and had nothing newer.
Samples banked
25 since 24 Oct 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
Minewater (flowing/pumped) Monitoring (national agency policy)
Where
National Grid 283092, 86507As published, to the nearest 1 m. Open in a map
River, by its own name
Its name does not give one
River, by the map
Not placedNearest line is 146 m away and its name does not agree. The river map cannot say which watercourse this is.
Next gauge downstream
Not known
Why it was sampled
Monitoring (national agency policy) (24 samples)
Planned investigation (local monitoring) (1 samples)

Everything measured here

55 determinands, each kept by its code, unit and sample material: results in different units or on different materials are never mixed. A “below” result is under the laboratory's detection limit, not zero.

Show all 106 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 26.5% 25 Mar 2026
Oxygen, Dissolved, % Saturation 9901 Minewater 1 Jun 2025 – Jun 2025 34.2% 13 Jun 2025
Oxygen, Dissolved as O2 9924 Minewater (flowing/pumped) 21 Oct 2024 – Mar 2026 2.83 mg/l 25 Mar 2026
Oxygen, Dissolved as O2 9924 Minewater 1 Jun 2025 – Jun 2025 3.57 mg/l 13 Jun 2025
Temperature of Water 0076 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 12.3 °C 25 Mar 2026
Temperature of Water 0076 Minewater 1 Jun 2025 – Jun 2025 13.3 °C 13 Jun 2025
pH 0061 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 5.3 25 Mar 2026
pH 0061 Minewater 1 Jun 2025 – Jun 2025 4.77 13 Jun 2025
Ammoniacal Nitrogen as N 0111 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 0.14 mg/l 25 Mar 2026
Ammoniacal Nitrogen as N 0111 Minewater 1 Jun 2025 – Jun 2025 0.11 mg/l 13 Jun 2025
Orthophosphate, reactive as P 0180 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 below 0.01 mg/l 25 Mar 2026
Orthophosphate, reactive as P 0180 Minewater 1 Jun 2025 – Jun 2025 below 0.01 mg/l 13 Jun 2025
Conductivity at 25 C 0077 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 510 µS/cm 25 Mar 2026
Conductivity at 25 C 0077 Minewater 1 Jun 2025 – Jun 2025 522 µS/cm 13 Jun 2025
Alkalinity to pH 4.5 as CaCO3 0162 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 8 mg/l 25 Mar 2026
Alkalinity to pH 4.5 as CaCO3 0162 Minewater 1 Jun 2025 – Jun 2025 9 mg/l 13 Jun 2025
Aluminium 6057 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 280 µg/l 25 Mar 2026
Aluminium 6057 Minewater 1 Jun 2025 – Jun 2025 300 µg/l 13 Jun 2025
Aluminium, Dissolved 6037 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 280 µg/l 25 Mar 2026
Aluminium, Dissolved 6037 Minewater 1 Jun 2025 – Jun 2025 300 µg/l 13 Jun 2025
Arsenic 6046 Minewater (flowing/pumped) 1 Apr 2025 – Apr 2025 37 µg/l 24 Apr 2025
Arsenic, Dissolved 6045 Minewater (flowing/pumped) 1 Apr 2025 – Apr 2025 37 µg/l 24 Apr 2025
Barium 6062 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 15 µg/l 25 Mar 2026
Barium 6062 Minewater 1 Jun 2025 – Jun 2025 18 µg/l 13 Jun 2025
Barium, Dissolved 9446 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 15 µg/l 25 Mar 2026
Barium, Dissolved 9446 Minewater 1 Jun 2025 – Jun 2025 14 µg/l 13 Jun 2025
Boron 6059 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 below 100 µg/l 25 Mar 2026
Boron 6059 Minewater 1 Jun 2025 – Jun 2025 below 100 µg/l 13 Jun 2025
Boron, Dissolved 9447 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 below 100 µg/l 25 Mar 2026
Boron, Dissolved 9447 Minewater 1 Jun 2025 – Jun 2025 below 100 µg/l 13 Jun 2025
Cadmium 0108 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 35 µg/l 25 Mar 2026
Cadmium 0108 Minewater 1 Jun 2025 – Jun 2025 35 µg/l 13 Jun 2025
Cadmium, Dissolved 0106 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 35 µg/l 25 Mar 2026
Cadmium, Dissolved 0106 Minewater 1 Jun 2025 – Jun 2025 35 µg/l 13 Jun 2025
Calcium 0241 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 23 mg/l 25 Mar 2026
Calcium 0241 Minewater 1 Jun 2025 – Jun 2025 24 mg/l 13 Jun 2025
Calcium, Dissolved 0239 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 23 mg/l 25 Mar 2026
Calcium, Dissolved 0239 Minewater 1 Jun 2025 – Jun 2025 24 mg/l 13 Jun 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 Minewater (flowing/pumped) 18 Apr 2025 – Mar 2026 0.45 mg/l 25 Mar 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 Minewater 1 Jun 2025 – Jun 2025 below 0.2 mg/l 13 Jun 2025
Chloride 0172 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 24 mg/l 25 Mar 2026
Chloride 0172 Minewater 1 Jun 2025 – Jun 2025 24 mg/l 13 Jun 2025
Chromium 3164 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 below 0.5 µg/l 25 Mar 2026
Chromium 3164 Minewater 1 Jun 2025 – Jun 2025 below 0.5 µg/l 13 Jun 2025
Chromium, Dissolved 3409 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 below 0.5 µg/l 25 Mar 2026
Chromium, Dissolved 3409 Minewater 1 Jun 2025 – Jun 2025 below 0.5 µg/l 13 Jun 2025
Copper 6452 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 2.1 µg/l 25 Mar 2026
Copper 6452 Minewater 1 Jun 2025 – Jun 2025 1.3 µg/l 13 Jun 2025
Copper, Dissolved 6450 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 2.2 µg/l 25 Mar 2026
Copper, Dissolved 6450 Minewater 1 Jun 2025 – Jun 2025 1.2 µg/l 13 Jun 2025
Hardness, Total as CaCO3 0158 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 96.9 mg/l 25 Mar 2026
Hardness, Total as CaCO3 0158 Minewater 1 Jun 2025 – Jun 2025 99.9 mg/l 13 Jun 2025
Ionic Balance 7044 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 -26.2% 25 Mar 2026
Ionic Balance 7044 Minewater 1 Jun 2025 – Jun 2025 -26.5% 13 Jun 2025
Iron 6051 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 44000 µg/l 25 Mar 2026
Iron 6051 Minewater 1 Jun 2025 – Jun 2025 46000 µg/l 13 Jun 2025
Iron, Dissolved 6460 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 43000 µg/l 25 Mar 2026
Iron, Dissolved 6460 Minewater 1 Jun 2025 – Jun 2025 45000 µg/l 13 Jun 2025
Lead 0050 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 2500 µg/l 25 Mar 2026
Lead 0050 Minewater 1 Jun 2025 – Jun 2025 2500 µg/l 13 Jun 2025
Lead, Dissolved 0052 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 2500 µg/l 25 Mar 2026
Lead, Dissolved 0052 Minewater 1 Jun 2025 – Jun 2025 2500 µg/l 13 Jun 2025
Lithium 6064 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 below 100 µg/l 25 Mar 2026
Lithium 6064 Minewater 1 Jun 2025 – Jun 2025 below 100 µg/l 13 Jun 2025
Lithium, Dissolved 4201 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 below 100 µg/l 25 Mar 2026
Lithium, Dissolved 4201 Minewater 1 Jun 2025 – Jun 2025 below 100 µg/l 13 Jun 2025
Magnesium 0237 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 9.6 mg/l 25 Mar 2026
Magnesium 0237 Minewater 1 Jun 2025 – Jun 2025 9.8 mg/l 13 Jun 2025
Magnesium, Dissolved 0235 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 9.6 mg/l 25 Mar 2026
Magnesium, Dissolved 0235 Minewater 1 Jun 2025 – Jun 2025 9.7 mg/l 13 Jun 2025
Manganese 6050 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 6900 µg/l 25 Mar 2026
Manganese 6050 Minewater 1 Jun 2025 – Jun 2025 7400 µg/l 13 Jun 2025
Manganese, Dissolved 6458 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 6900 µg/l 25 Mar 2026
Manganese, Dissolved 6458 Minewater 1 Jun 2025 – Jun 2025 7400 µg/l 13 Jun 2025
Nickel 6462 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 89 µg/l 25 Mar 2026
Nickel 6462 Minewater 1 Jun 2025 – Jun 2025 95 µg/l 13 Jun 2025
Nickel, Dissolved 3410 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 86 µg/l 25 Mar 2026
Nickel, Dissolved 3410 Minewater 1 Jun 2025 – Jun 2025 95 µg/l 13 Jun 2025
Nitrite as N 0118 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 below 0.004 mg/l 25 Mar 2026
Nitrite as N 0118 Minewater 1 Jun 2025 – Jun 2025 below 0.004 mg/l 13 Jun 2025
Nitrogen, Total Oxidised as N 0116 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 below 0.2 mg/l 25 Mar 2026
Nitrogen, Total Oxidised as N 0116 Minewater 1 Jun 2025 – Jun 2025 below 0.2 mg/l 13 Jun 2025
pH : In Situ 3169 Minewater (flowing/pumped) 3 Jan 2026 – Mar 2026 4.96 25 Mar 2026
Potassium 0211 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 5.1 mg/l 25 Mar 2026
Potassium 0211 Minewater 1 Jun 2025 – Jun 2025 5.2 mg/l 13 Jun 2025
Potassium, Dissolved 0209 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 5.1 mg/l 25 Mar 2026
Potassium, Dissolved 0209 Minewater 1 Jun 2025 – Jun 2025 5.2 mg/l 13 Jun 2025
Silica, reactive as SiO2 0182 Minewater (flowing/pumped) 22 Oct 2024 – Mar 2026 33 mg/l 25 Mar 2026
Silica, reactive as SiO2 0182 Minewater 1 Jun 2025 – Jun 2025 37 mg/l 13 Jun 2025
Sodium 0207 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 17 mg/l 25 Mar 2026
Sodium 0207 Minewater 1 Jun 2025 – Jun 2025 18 mg/l 13 Jun 2025
Sodium, Dissolved 0205 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 17 mg/l 25 Mar 2026
Sodium, Dissolved 0205 Minewater 1 Jun 2025 – Jun 2025 18 mg/l 13 Jun 2025
Solids, Suspended at 105 C 0135 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 below 3 mg/l 25 Mar 2026
Solids, Suspended at 105 C 0135 Minewater 1 Jun 2025 – Jun 2025 below 3 mg/l 13 Jun 2025
Strontium 6063 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 140 µg/l 25 Mar 2026
Strontium 6063 Minewater 1 Jun 2025 – Jun 2025 150 µg/l 13 Jun 2025
Strontium, Filtered 6693 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 140 µg/l 25 Mar 2026
Strontium, Filtered 6693 Minewater 1 Jun 2025 – Jun 2025 150 µg/l 13 Jun 2025
Sulphate as SO4 0183 Minewater (flowing/pumped) 23 Oct 2024 – Mar 2026 190 mg/l 25 Mar 2026
Sulphate as SO4 0183 Minewater 1 Jun 2025 – Jun 2025 200 mg/l 13 Jun 2025
Sulphate, Dissolved as SO4 7859 Minewater (flowing/pumped) 2 Apr 2025 – May 2025 200 mg/l 28 May 2025
Zinc 6455 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 7900 µg/l 25 Mar 2026
Zinc 6455 Minewater 1 Jun 2025 – Jun 2025 8400 µg/l 13 Jun 2025
Zinc, Dissolved 3408 Minewater (flowing/pumped) 24 Oct 2024 – Mar 2026 7800 µg/l 25 Mar 2026
Zinc, Dissolved 3408 Minewater 1 Jun 2025 – Jun 2025 8300 µg/l 13 Jun 2025

FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.

Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.

Contains OS data © Crown copyright and database rights 2026.