Gretton Brook Kirby Hall Road
EA name: GRETTON BK.KIRBY HALL ROAD
Environment Agency sampling point AN-GRET005K · 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
- 21 Sep 2026, 12:0010 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
- Samples banked
- 7 since 27 Mar 2026 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Planned investigation (local monitoring) · results completed 23 Sep 2026
- Where
- National Grid 492476, 292411As published, to the nearest 1 m. Open in a map
- River, by its own name
- Gretton Brook
- River, by the map
- Gretton BrookPlaced on the river its name gives, 0 m from the line.
- Next gauge downstream
- Fotheringhay On the Willow Brook · 22 km along the riverFOTHERINGHAY GS 22 km along the river
- Why it was sampled
- Planned investigation (local monitoring) (5 samples)
Unplanned reactive monitoring (pollution incidents) (2 samples)
Results here were completed a median of 2 days after the sample was taken (2 to 21 days, 7 samples). 5 visits found no water to sample (recorded as “No flow”).
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
161.7%
Sampled 7 Apr 2026, 6 months ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 7 Apr 2026, 12:23 | 161.7 | 161.7% |
| 27 Mar 2026, 12:41 | 140.2 | 140.2% |
Water temperature
code 0076 · °C
14.4 °C
Sampled 7 Apr 2026, 6 months ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 7 Apr 2026, 12:23 | 14.4 | 14.4 °C |
| 27 Mar 2026, 12:41 | 10.5 | 10.5 °C |
pH
code 0061
7.3
Sampled 7 Apr 2026, 6 months ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 7 Apr 2026, 12:23 | 7.3 | 7.3 |
| 27 Mar 2026, 12:41 | 7.67 | 7.67 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
0.082 mg/l
Sampled 7 Apr 2026, 6 months ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 7 Apr 2026, 12:23 | 0.082 | 0.082 mg/l |
| 27 Mar 2026, 12:41 | <0.03 | below 0.03 mg/l (not detected above this) |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.028 mg/l
Sampled 7 Apr 2026, 6 months ago · 2 results banked
Every result (2)
| Sampled | Result as published | Reads as |
|---|---|---|
| 7 Apr 2026, 12:23 | 0.028 | 0.028 mg/l |
| 27 Mar 2026, 12:41 | 0.015 | 0.015 mg/l |
Everything measured here
32 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 32 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 2 | Mar 2026 – Apr 2026 | 161.7% 7 Apr 2026 |
| Temperature of Water 0076 | River water | 2 | Mar 2026 – Apr 2026 | 14.4 °C 7 Apr 2026 |
| pH 0061 | River water | 2 | Mar 2026 – Apr 2026 | 7.3 7 Apr 2026 |
| Ammoniacal Nitrogen as N 0111 | River water | 2 | Mar 2026 – Apr 2026 | 0.082 mg/l 7 Apr 2026 |
| Orthophosphate, reactive as P 0180 | River water | 2 | Mar 2026 – Apr 2026 | 0.028 mg/l 7 Apr 2026 |
| Aluminium 6057 | River water | 2 | Mar 2026 – Apr 2026 | 790 µg/l 7 Apr 2026 |
| Aluminium, Dissolved 6037 | River water | 2 | Mar 2026 – Apr 2026 | below 20 µg/l 7 Apr 2026 |
| Ammonia un-ionised as N 0119 | River water | 2 | Mar 2026 – Apr 2026 | 0.00042 mg/l 7 Apr 2026 |
| BOD : 5 Day ATU 0085 | River water | 2 | Mar 2026 – Apr 2026 | 13 mg/l 7 Apr 2026 |
| Cadmium 0108 | River water | 2 | Mar 2026 – Apr 2026 | 0.24 µg/l 7 Apr 2026 |
| Cadmium, Dissolved 0106 | River water | 2 | Mar 2026 – Apr 2026 | below 0.1 µg/l 7 Apr 2026 |
| Calcium, Dissolved 0239 | River water | 2 | Mar 2026 – Apr 2026 | 180 mg/l 7 Apr 2026 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 2 | Mar 2026 – Apr 2026 | 5.7 mg/l 7 Apr 2026 |
| Chemical Oxygen Demand :- {COD} 0092 | River water | 2 | Mar 2026 – Apr 2026 | 290 mg/l 7 Apr 2026 |
| Chloride 0172 | River water | 2 | Mar 2026 – Apr 2026 | 51 mg/l 7 Apr 2026 |
| Chromium 3164 | River water | 2 | Mar 2026 – Apr 2026 | 2 µg/l 7 Apr 2026 |
| Chromium, Dissolved 3409 | River water | 2 | Mar 2026 – Apr 2026 | below 0.5 µg/l 7 Apr 2026 |
| Copper 6452 | River water | 2 | Mar 2026 – Apr 2026 | 6.5 µg/l 7 Apr 2026 |
| Copper, Dissolved 6450 | River water | 2 | Mar 2026 – Apr 2026 | 2.2 µg/l 7 Apr 2026 |
| Hardness, Total as CaCO3 0158 | River water | 2 | Mar 2026 – Apr 2026 | 503 mg/l 7 Apr 2026 |
| Lead 0050 | River water | 2 | Mar 2026 – Apr 2026 | 5.9 µg/l 7 Apr 2026 |
| Lead, Dissolved 0052 | River water | 2 | Mar 2026 – Apr 2026 | below 2 µg/l 7 Apr 2026 |
| Magnesium, Dissolved 0235 | River water | 2 | Mar 2026 – Apr 2026 | 13 mg/l 7 Apr 2026 |
| National Grid Reference : Whole : Field report 7434 | River water | 2 | Mar 2026 – Apr 2026 | 1 unitless value 7 Apr 2026 |
| Nickel 6462 | River water | 2 | Mar 2026 – Apr 2026 | 3.5 µg/l 7 Apr 2026 |
| Nickel, Dissolved 3410 | River water | 2 | Mar 2026 – Apr 2026 | 1.5 µg/l 7 Apr 2026 |
| Nitrite as N 0118 | River water | 2 | Mar 2026 – Apr 2026 | 0.072 mg/l 7 Apr 2026 |
| Nitrogen, Total Oxidised as N 0116 | River water | 2 | Mar 2026 – Apr 2026 | 3.2 mg/l 7 Apr 2026 |
| No flow /No sample 7668 | River water | 5 | May 2026 – Sep 2026 | No flow/discharge at sampling point 21 Sep 2026 |
| Solids, Suspended at 105 C 0135 | River water | 2 | Mar 2026 – Apr 2026 | 200 mg/l 7 Apr 2026 |
| Zinc 6455 | River water | 2 | Mar 2026 – Apr 2026 | 78 µg/l 7 Apr 2026 |
| Zinc, Dissolved 3408 | River water | 2 | Mar 2026 – Apr 2026 | 10 µg/l 7 Apr 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.