Doctor Gill upstream of Notion Gill confluence
EA name: DOCTOR GILL U/S NOTION GILL CONFLUENCE
Environment Agency sampling point NE-49905252 · 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
- 16 Jun 2026, 14:574 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 6 since 9 Oct 2025 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (national agency policy)
- Where
- National Grid 395760, 501674As published, to the nearest 1 m. Open in a map
- River, by its own name
- Doctor Gill
- River, by the map
- Doctor GillPlaced on the river its name gives, 2 m from the line.
- Next gauge downstream
- Grinton Bridge On the River Swale · 11 km along the river
- Why it was sampled
- Monitoring (national agency policy) (4 samples)
Planned investigation (local monitoring) (2 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
102.6%
Sampled 16 Jun 2026, 4 months ago · 6 results banked
Every result (6)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Jun 2026, 14:57 | 102.6 | 102.6% |
| 14 May 2026, 14:23 | 102.8 | 102.8% |
| 16 Apr 2026, 13:58 | 102.1 | 102.1% |
| 18 Mar 2026, 17:10 | 99 | 99% |
| 25 Nov 2025, 14:44 | 103.7 | 103.7% |
| 9 Oct 2025, 14:39 | 96 | 96% |
Water temperature
code 0076 · °C
14.7 °C
Sampled 16 Jun 2026, 4 months ago · 6 results banked
Every result (6)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Jun 2026, 14:57 | 14.7 | 14.7 °C |
| 14 May 2026, 14:23 | 8.6 | 8.6 °C |
| 16 Apr 2026, 13:58 | 7.6 | 7.6 °C |
| 18 Mar 2026, 17:10 | 7.2 | 7.2 °C |
| 25 Nov 2025, 14:44 | 5.4 | 5.4 °C |
| 9 Oct 2025, 14:39 | 10.5 | 10.5 °C |
pH
code 0061
4.5
Sampled 16 Jun 2026, 4 months ago · 6 results banked
Every result (6)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Jun 2026, 14:57 | 4.5 | 4.5 |
| 14 May 2026, 14:23 | 4.6 | 4.6 |
| 16 Apr 2026, 13:58 | 4.3 | 4.3 |
| 18 Mar 2026, 17:10 | 4.4 | 4.4 |
| 25 Nov 2025, 14:44 | 4.3 | 4.3 |
| 9 Oct 2025, 14:39 | 4.5 | 4.5 |
Conductivity
at 25 °C · code 0077 · µS/cm
46 µS/cm
Sampled 16 Jun 2026, 4 months ago · 6 results banked
Every result (6)
| Sampled | Result as published | Reads as |
|---|---|---|
| 16 Jun 2026, 14:57 | 46 | 46 µS/cm |
| 14 May 2026, 14:23 | 48 | 48 µS/cm |
| 16 Apr 2026, 13:58 | 56 | 56 µS/cm |
| 18 Mar 2026, 17:10 | 42 | 42 µS/cm |
| 25 Nov 2025, 14:44 | 47 | 47 µS/cm |
| 9 Oct 2025, 14:39 | 41 | 41 µS/cm |
Everything measured here
30 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 30 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 6 | Oct 2025 – Jun 2026 | 102.6% 16 Jun 2026 |
| Temperature of Water 0076 | River water | 6 | Oct 2025 – Jun 2026 | 14.7 °C 16 Jun 2026 |
| pH 0061 | River water | 6 | Oct 2025 – Jun 2026 | 4.5 16 Jun 2026 |
| Conductivity at 25 C 0077 | River water | 6 | Oct 2025 – Jun 2026 | 46 µS/cm 16 Jun 2026 |
| Barium, Dissolved 9446 | River water | 6 | Oct 2025 – Jun 2026 | 220 µg/l 16 Jun 2026 |
| Boron, Dissolved 9447 | River water | 6 | Oct 2025 – Jun 2026 | below 100 µg/l 16 Jun 2026 |
| Cadmium 0108 | River water | 6 | Oct 2025 – Jun 2026 | 0.63 µg/l 16 Jun 2026 |
| Cadmium, Dissolved 0106 | River water | 6 | Oct 2025 – Jun 2026 | 0.65 µg/l 16 Jun 2026 |
| Calcium, Dissolved 0239 | River water | 6 | Oct 2025 – Jun 2026 | 1.4 mg/l 16 Jun 2026 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 5 | Nov 2025 – Jun 2026 | 18 mg/l 16 Jun 2026 |
| Copper 6452 | River water | 6 | Oct 2025 – Jun 2026 | 3.2 µg/l 16 Jun 2026 |
| Copper, Dissolved 6450 | River water | 6 | Oct 2025 – Jun 2026 | 3.5 µg/l 16 Jun 2026 |
| Hardness, Total as CaCO3 0158 | River water | 6 | Oct 2025 – Jun 2026 | 5.06 mg/l 16 Jun 2026 |
| Iron, Dissolved 6460 | River water | 6 | Oct 2025 – Jun 2026 | 940 µg/l 16 Jun 2026 |
| Lead 0050 | River water | 6 | Oct 2025 – Jun 2026 | 490 µg/l 16 Jun 2026 |
| Lead, Dissolved 0052 | River water | 6 | Oct 2025 – Jun 2026 | 470 µg/l 16 Jun 2026 |
| Lithium, Dissolved 4201 | River water | 6 | Oct 2025 – Jun 2026 | below 100 µg/l 16 Jun 2026 |
| Magnesium, Dissolved 0235 | River water | 6 | Oct 2025 – Jun 2026 | 0.38 mg/l 16 Jun 2026 |
| Manganese, Dissolved 6458 | River water | 6 | Oct 2025 – Jun 2026 | 74 µg/l 16 Jun 2026 |
| National Grid Reference : Whole : Field report 7434 | River water | 2 | Oct 2025 – Nov 2025 | 1 unitless value 25 Nov 2025 |
| Nickel 6462 | River water | 6 | Oct 2025 – Jun 2026 | 1.9 µg/l 16 Jun 2026 |
| Nickel, Dissolved 3410 | River water | 6 | Oct 2025 – Jun 2026 | 2 µg/l 16 Jun 2026 |
| pH : In Situ 3169 | River water | 6 | Oct 2025 – Jun 2026 | 4.35 16 Jun 2026 |
| Potassium, Dissolved 0209 | River water | 6 | Oct 2025 – Jun 2026 | 0.26 mg/l 16 Jun 2026 |
| Sodium, Dissolved 0205 | River water | 6 | Oct 2025 – Jun 2026 | 3.4 mg/l 16 Jun 2026 |
| Solids, Suspended at 105 C 0135 | River water | 6 | Oct 2025 – Jun 2026 | below 3 mg/l 16 Jun 2026 |
| Strontium, Filtered 6693 | River water | 6 | Oct 2025 – Jun 2026 | below 20 µg/l 16 Jun 2026 |
| Sulphate, Dissolved as SO4 7859 | River water | 6 | Oct 2025 – Jun 2026 | below 10 mg/l 16 Jun 2026 |
| Zinc 6455 | River water | 6 | Oct 2025 – Jun 2026 | 140 µg/l 16 Jun 2026 |
| Zinc, Dissolved 3408 | River water | 6 | Oct 2025 – Jun 2026 | 140 µg/l 16 Jun 2026 |
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.