Non-Tidal Trent at Gunthorpe Lock
EA name: NON-TIDAL TRENT AT GUNTHORPE LOCK
Environment Agency sampling point MD-RTN0015 · 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
- 8 Jul 2024, 13:162.3 years 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 27 Oct 2026 and had nothing newer.
- Samples banked
- 4 since 24 Oct 2023 Imported periods: 1 Oct 2023 – 27 Oct 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (national agency policy)
- Where
- National Grid 468860, 343769As published, to the nearest 1 m. Open in a map
- River, by its own name
- Non Tidal Trent
- River, by the map
- River TrentPlaced on a river whose name partly matches its own, 30 m from the line.
- Next gauge downstream
- Farndon On the River Trent · 16 km along the river
- Nearest gauge upstream
- Lowdham Grange On the Cocker Beck · 6.4 km along the riverColwick On the River Trent · 12 km along the river
- Why it was sampled
- Monitoring (national agency policy) (4 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
101.9%
Sampled 8 Jul 2024, 2.3 years ago · 4 results banked
Every result (4)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Jul 2024, 13:16 | 101.9 | 101.9% |
| 8 Apr 2024, 12:59 | 100.9 | 100.9% |
| 4 Jan 2024, 10:36 | 82.1 | 82.1% |
| 24 Oct 2023, 11:03 | 78.7 | 78.7% |
Dissolved oxygen
as O2 · code 9924 · mg/l
9.56 mg/l
Sampled 8 Jul 2024, 2.3 years ago · 4 results banked
Every result (4)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Jul 2024, 13:16 | 9.56 | 9.56 mg/l |
| 8 Apr 2024, 12:59 | 10.7 | 10.7 mg/l |
| 4 Jan 2024, 10:36 | 10 | 10 mg/l |
| 24 Oct 2023, 11:03 | 8.58 | 8.58 mg/l |
Water temperature
code 0076 · °C
18.3 °C
Sampled 8 Jul 2024, 2.3 years ago · 4 results banked
Every result (4)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Jul 2024, 13:16 | 18.3 | 18.3 °C |
| 8 Apr 2024, 12:59 | 12.5 | 12.5 °C |
| 4 Jan 2024, 10:36 | 6.8 | 6.8 °C |
| 24 Oct 2023, 11:03 | 11.4 | 11.4 °C |
pH
code 0061
8.17
Sampled 8 Jul 2024, 2.3 years ago · 4 results banked
Every result (4)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Jul 2024, 13:16 | 8.17 | 8.17 |
| 8 Apr 2024, 12:59 | 8.23 | 8.23 |
| 4 Jan 2024, 10:36 | 7.77 | 7.77 |
| 24 Oct 2023, 11:03 | 7.55 | 7.55 |
Conductivity
at 25 °C · code 0077 · µS/cm
927 µS/cm
Sampled 8 Jul 2024, 2.3 years ago · 4 results banked
Every result (4)
| Sampled | Result as published | Reads as |
|---|---|---|
| 8 Jul 2024, 13:16 | 927 | 927 µS/cm |
| 8 Apr 2024, 12:59 | 592 | 592 µS/cm |
| 4 Jan 2024, 10:36 | 503 | 503 µS/cm |
| 24 Oct 2023, 11:03 | 466 | 466 µS/cm |
Everything measured here
5 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 5 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 4 | Oct 2023 – Jul 2024 | 101.9% 8 Jul 2024 |
| Oxygen, Dissolved as O2 9924 | River water | 4 | Oct 2023 – Jul 2024 | 9.56 mg/l 8 Jul 2024 |
| Temperature of Water 0076 | River water | 4 | Oct 2023 – Jul 2024 | 18.3 °C 8 Jul 2024 |
| pH 0061 | River water | 4 | Oct 2023 – Jul 2024 | 8.17 8 Jul 2024 |
| Conductivity at 25 C 0077 | River water | 4 | Oct 2023 – Jul 2024 | 927 µS/cm 8 Jul 2024 |
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.