Weston Park Farm

EA name: WESTON PARK FARM (also listed as “RSN0562 WESTON PARK FARM”)
Environment Agency sampling point TH-RSN0562 · 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
18 Aug 2026, 10:2244 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
22 since 11 Jan 2024 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 454766, 217885As 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
Oddington BrookPlaced by position alone, on a line whose map name differs from its own, 1 m from the line.
Next gauge downstream
Islip On the River Ray · 6.4 km along the river
Why it was sampled
Monitoring (national agency policy) (22 samples)

2 visits found no water to sample (recorded as “No flow”).

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

29.7%

Sampled 22 Jun 2026, 3 months ago · 6 results banked

20406080100%20242025202616 Jan 2026, 14:19: 90.1%6 Feb 2026, 10:13: 84.7%6 Mar 2026, 12:17: 96.5%27 Apr 2026, 10:07: 89.6%18 May 2026, 10:33: 83.7%22 Jun 2026, 09:49: 29.7%
Every result (6)
SampledResult as publishedReads as
22 Jun 2026, 09:4929.7 29.7%
18 May 2026, 10:3383.7 83.7%
27 Apr 2026, 10:0789.6 89.6%
6 Mar 2026, 12:1796.5 96.5%
6 Feb 2026, 10:1384.7 84.7%
16 Jan 2026, 14:1990.1 90.1%

Dissolved oxygen

as O2 · code 9924 · mg/l

2.76 mg/l

Sampled 22 Jun 2026, 3 months ago · 6 results banked

2.557.51012.5mg/l20242025202616 Jan 2026, 14:19: 11 mg/l6 Feb 2026, 10:13: 10.2 mg/l6 Mar 2026, 12:17: 11.3 mg/l27 Apr 2026, 10:07: 10.2 mg/l18 May 2026, 10:33: 9.47 mg/l22 Jun 2026, 09:49: 2.76 mg/l
Every result (6)
SampledResult as publishedReads as
22 Jun 2026, 09:492.76 2.76 mg/l
18 May 2026, 10:339.47 9.47 mg/l
27 Apr 2026, 10:0710.2 10.2 mg/l
6 Mar 2026, 12:1711.3 11.3 mg/l
6 Feb 2026, 10:1310.2 10.2 mg/l
16 Jan 2026, 14:1911 11 mg/l

Water temperature

code 0076 · °C

18.7 °C

Sampled 22 Jun 2026, 3 months ago · 6 results banked

5101520°C20242025202616 Jan 2026, 14:19: 6.8 °C6 Feb 2026, 10:13: 7.4 °C6 Mar 2026, 12:17: 8.3 °C27 Apr 2026, 10:07: 9.7 °C18 May 2026, 10:33: 9.8 °C22 Jun 2026, 09:49: 18.7 °C
Every result (6)
SampledResult as publishedReads as
22 Jun 2026, 09:4918.7 18.7 °C
18 May 2026, 10:339.8 9.8 °C
27 Apr 2026, 10:079.7 9.7 °C
6 Mar 2026, 12:178.3 8.3 °C
6 Feb 2026, 10:137.4 7.4 °C
16 Jan 2026, 14:196.8 6.8 °C

pH

code 0061

7.58

Sampled 22 Jun 2026, 3 months ago · 20 results banked

7.57.7588.258.520242025202611 Jan 2024, 12:52: 8.17 Feb 2024, 11:42: 7.578 Mar 2024, 09:28: 8.115 Apr 2024, 10:51: 8.130 May 2024, 12:27: 826 Jun 2024, 13:35: 8.123 Jul 2024, 13:00: 8.39 Aug 2024, 09:48: 8.29 Sep 2024, 12:39: 8.321 Oct 2024, 13:37: 85 Nov 2024, 12:32: 8.19 Dec 2024, 13:37: 815 Jan 2025, 10:37: 814 Feb 2025, 10:39: 8.116 Jan 2026, 14:19: 7.86 Feb 2026, 10:13: 7.76 Mar 2026, 12:17: 8.4327 Apr 2026, 10:07: 8.0418 May 2026, 10:33: 8.0322 Jun 2026, 09:49: 7.58
Every result (20)
SampledResult as publishedReads as
22 Jun 2026, 09:497.58 7.58
18 May 2026, 10:338.03 8.03
27 Apr 2026, 10:078.04 8.04
6 Mar 2026, 12:178.43 8.43
6 Feb 2026, 10:137.7 7.7
16 Jan 2026, 14:197.8 7.8
14 Feb 2025, 10:398.1 8.1
15 Jan 2025, 10:378 8
9 Dec 2024, 13:378 8
5 Nov 2024, 12:328.1 8.1
21 Oct 2024, 13:378 8
9 Sep 2024, 12:398.3 8.3
9 Aug 2024, 09:488.2 8.2
23 Jul 2024, 13:008.3 8.3
26 Jun 2024, 13:358.1 8.1
30 May 2024, 12:278 8
15 Apr 2024, 10:518.1 8.1
8 Mar 2024, 09:288.1 8.1
7 Feb 2024, 11:427.57 7.57
11 Jan 2024, 12:528.1 8.1

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.56 mg/l

Sampled 22 Jun 2026, 3 months ago · 6 results banked

00.20.40.6mg/l20242025202616 Jan 2026, 14:19: below 0.03 mg/l (not detected above this)6 Feb 2026, 10:13: below 0.03 mg/l (not detected above this)6 Mar 2026, 12:17: 0.031 mg/l27 Apr 2026, 10:07: 0.031 mg/l18 May 2026, 10:33: below 0.03 mg/l (not detected above this)22 Jun 2026, 09:49: 0.56 mg/l
Every result (6)
SampledResult as publishedReads as
22 Jun 2026, 09:490.56 0.56 mg/l
18 May 2026, 10:33<0.03 below 0.03 mg/l (not detected above this)
27 Apr 2026, 10:070.031 0.031 mg/l
6 Mar 2026, 12:170.031 0.031 mg/l
6 Feb 2026, 10:13<0.03 below 0.03 mg/l (not detected above this)
16 Jan 2026, 14:19<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.08 mg/l

Sampled 22 Jun 2026, 3 months ago · 6 results banked

02468mg/l20242025202616 Jan 2026, 14:19: 6.8 mg/l6 Feb 2026, 10:13: 4.4 mg/l6 Mar 2026, 12:17: 5.2 mg/l27 Apr 2026, 10:07: 2.79 mg/l18 May 2026, 10:33: 2.19 mg/l22 Jun 2026, 09:49: 0.08 mg/l
Every result (6)
SampledResult as publishedReads as
22 Jun 2026, 09:490.08 0.08 mg/l
18 May 2026, 10:332.19 2.19 mg/l
27 Apr 2026, 10:072.79 2.79 mg/l
6 Mar 2026, 12:175.2 5.2 mg/l
6 Feb 2026, 10:134.4 4.4 mg/l
16 Jan 2026, 14:196.8 6.8 mg/l

Phosphate

orthophosphate, reactive, as P · code 0180 · mg/l

0.029 mg/l

Sampled 22 Jun 2026, 3 months ago · 6 results banked

0.020.040.060.080.1mg/l20242025202616 Jan 2026, 14:19: 0.065 mg/l6 Feb 2026, 10:13: 0.1 mg/l6 Mar 2026, 12:17: 0.021 mg/l27 Apr 2026, 10:07: 0.02 mg/l18 May 2026, 10:33: 0.05 mg/l22 Jun 2026, 09:49: 0.029 mg/l
Every result (6)
SampledResult as publishedReads as
22 Jun 2026, 09:490.029 0.029 mg/l
18 May 2026, 10:330.05 0.05 mg/l
27 Apr 2026, 10:070.02 0.02 mg/l
6 Mar 2026, 12:170.021 0.021 mg/l
6 Feb 2026, 10:130.1 0.1 mg/l
16 Jan 2026, 14:190.065 0.065 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

616 µS/cm

Sampled 22 Jun 2026, 3 months ago · 6 results banked

500550600650µS/cm20242025202616 Jan 2026, 14:19: 561 µS/cm6 Feb 2026, 10:13: 535 µS/cm6 Mar 2026, 12:17: 613 µS/cm27 Apr 2026, 10:07: 605 µS/cm18 May 2026, 10:33: 641 µS/cm22 Jun 2026, 09:49: 616 µS/cm
Every result (6)
SampledResult as publishedReads as
22 Jun 2026, 09:49616 616 µS/cm
18 May 2026, 10:33641 641 µS/cm
27 Apr 2026, 10:07605 605 µS/cm
6 Mar 2026, 12:17613 613 µS/cm
6 Feb 2026, 10:13535 535 µS/cm
16 Jan 2026, 14:19561 561 µS/cm

Everything measured here

183 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 183 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 6 Jan 2026 – Jun 2026 29.7% 22 Jun 2026
Oxygen, Dissolved as O2 9924 River water 6 Jan 2026 – Jun 2026 2.76 mg/l 22 Jun 2026
Temperature of Water 0076 River water 6 Jan 2026 – Jun 2026 18.7 °C 22 Jun 2026
pH 0061 River water 20 Jan 2024 – Jun 2026 7.58 22 Jun 2026
Ammoniacal Nitrogen as N 0111 River water 6 Jan 2026 – Jun 2026 0.56 mg/l 22 Jun 2026
Nitrate as N 0117 River water 6 Jan 2026 – Jun 2026 0.08 mg/l 22 Jun 2026
Orthophosphate, reactive as P 0180 River water 6 Jan 2026 – Jun 2026 0.029 mg/l 22 Jun 2026
Conductivity at 25 C 0077 River water 6 Jan 2026 – Jun 2026 616 µS/cm 22 Jun 2026
(Perfluorohexanesulfonyl)[3-(trimethylazaniumyl)propyl]azanide 2890 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 2 May 2026 – Jun 2026 below 0.02 µg/l 22 Jun 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
2,3,6-TBA :- {2,3,6-Trichlorobenzoic acid} 7726 River water 14 Jan 2024 – Feb 2025 below 0.02 µg/l 14 Feb 2025
2,4,5-T :- {2,4,5-Trichlorophenoxyacetic acid} 3546 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
2,4-D :- {2,4-Dichlorophenoxyacetic acid} 3545 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
2,4-DB :- {4-(2,4-dichlorophenoxy)butyric acid} 3791 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
2-Phenoxypropionic acid :- {PPA} 6673 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
2H-Perfluoro-2-decenoic acid 2888 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
3-Perfluoroheptylpropanoic acid 2925 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 2 May 2026 – Jun 2026 below 0.04 µg/l 22 Jun 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
4-Chloro-2-methylphenol :- {p-Chloro-o-cresol} 3341 River water 13 Jan 2024 – Feb 2025 below 0.05 µg/l 14 Feb 2025
4-Chlorophenoxyacetic acid 3547 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
4-Nonylphenol Branched 9190 River water 13 Feb 2024 – Feb 2025 below 0.04 µg/l 14 Feb 2025
4-Phenoxybutyric acid :- {PBA} 6672 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
4-tert-Octylphenol :- {p-tert-Octylphenol} 9267 River water 13 Feb 2024 – Feb 2025 below 0.01 µg/l 14 Feb 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
5:1:2 Fluorotelomer betaine 2887 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
5:3 Fluorotelomer betaine 2886 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
6:2 Fluorotelomer phosphate diester 2986 River water 2 May 2026 – Jun 2026 below 0.04 µg/l 22 Jun 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 2 May 2026 – Jun 2026 below 0.1 µg/l 22 Jun 2026
6:6 Perfluorophosphinic acid 2883 River water 2 May 2026 – Jun 2026 below 0.04 µg/l 22 Jun 2026
6:8 Perfluorophosphinic acid 2882 River water 2 May 2026 – Jun 2026 below 0.1 µg/l 22 Jun 2026
8:2 Fluorotelomer phosphate diester 2880 River water 2 May 2026 – Jun 2026 below 0.04 µg/l 22 Jun 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
8:8 Perfluorophosphinic acid 2879 River water 2 May 2026 – Jun 2026 below 0.1 µg/l 22 Jun 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Aldicarb 9344 River water 20 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Aldicarb sulfoxide 8806 River water 20 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Aldoxycarb :- {Aldicarb Sulfone} 8807 River water 19 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 6 Jan 2026 – Jun 2026 300 mg/l 22 Jun 2026
Aluminium, Dissolved 6037 River water 20 Jan 2024 – Jun 2026 9900 µg/l 22 Jun 2026
Aminomethylphosphonic acid 7125 River water 17 Apr 2024 – Jun 2026 0.11 µg/l 22 Jun 2026
Ammonia un-ionised as N 0119 River water 6 Jan 2026 – Jun 2026 0.00747 mg/l 22 Jun 2026
Asulam 3004 River water 19 Jan 2024 – Jun 2026 below 0.2 µg/l 22 Jun 2026
Azoxystrobin 5050 River water 19 Jan 2024 – May 2026 below 0.02 µg/l 18 May 2026
Barium, Dissolved 9446 River water 20 Jan 2024 – Jun 2026 72 µg/l 22 Jun 2026
Benazolin 3792 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Bentazone 4065 River water 14 Jan 2024 – Feb 2025 below 0.003 µg/l 14 Feb 2025
Benzo(a)Pyrene 6399 River water 20 Jan 2024 – Jun 2026 above 0.03 µg/l 22 Jun 2026
Benzo(b)Fluoranthene 0731 River water 20 Jan 2024 – Jun 2026 above 0.03 µg/l 22 Jun 2026
Benzo(g,h,i)Perylene 0714 River water 20 Jan 2024 – Jun 2026 above 0.03 µg/l 22 Jun 2026
Benzo(k)Fluoranthene 0733 River water 19 Jan 2024 – Jun 2026 0.018 µg/l 22 Jun 2026
Boron, Dissolved 9447 River water 20 Jan 2024 – Jun 2026 below 100 µg/l 22 Jun 2026
Bromoxynil 6449 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Cadmium, Dissolved 0106 River water 20 Jan 2024 – Jun 2026 0.51 µg/l 22 Jun 2026
Calcium, Dissolved 0239 River water 20 Jan 2024 – Jun 2026 140 mg/l 22 Jun 2026
Carbaryl 9343 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Carbendazim 3475 River water 19 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Carbetamide 9073 River water 19 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Carbofuran 3086 River water 20 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 20 Jan 2024 – Jun 2026 6.4 mg/l 22 Jun 2026
Chloridazon 6760 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Chloride 0172 River water 6 Jan 2026 – Jun 2026 21 mg/l 22 Jun 2026
Chlorotoluron 9348 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Chloroxuron 3399 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Chromium, Dissolved 3409 River water 20 Jan 2024 – Jun 2026 19 µg/l 22 Jun 2026
cis-Permethrin 9341 River water 13 Jan 2024 – Jun 2026 below 0.0001 µg/l 22 Jun 2026
Clopyralid 6620 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Copper : BLM Bioavailable 4821 River water 20 Jan 2024 – Jun 2026 1 µg/l 22 Jun 2026
Copper, Dissolved 6450 River water 20 Jan 2024 – Jun 2026 29 µg/l 22 Jun 2026
Cypermethrin 0073 River water 17 Jan 2024 – Jun 2026 below 0.00002 µg/l 22 Jun 2026
Cypermethrin Identification 5446 River water 17 Jan 2024 – Jun 2026 1 text result 22 Jun 2026
Di(2-ethylhexyl) phthalate :- {DEHP} 6724 River water 15 Apr 2024 – Apr 2026 below 0.2 µg/l 27 Apr 2026
Dicamba 3550 River water 13 Jan 2024 – Feb 2025 below 0.01 µg/l 14 Feb 2025
Dichlorprop :- {2,4-DP} 3551 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Diflurobenzuron 9345 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Diuron 3811 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Ethiofencarb 6955 River water 20 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Ethirimol 5047 River water 20 Jan 2024 – Jun 2026 below 0.5 µg/l 22 Jun 2026
Fenoprop 3552 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Fenuron 9339 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Flow Type 2896 River water 8 Jan 2026 – Aug 2026 Isolated Pools 18 Aug 2026
Fluoranthene 0736 River water 20 Jan 2024 – Jun 2026 above 0.03 µg/l 22 Jun 2026
Fluroxypyr 4064 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 River water 16 Jan 2024 – Jun 2026 1 text result 22 Jun 2026
Glyphosate 3007 River water 17 Apr 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Hardness, Calcium 0163 River water 20 Jan 2024 – Jun 2026 350 mg/l 22 Jun 2026
Hardness, Total as CaCO3 0158 River water 20 Jan 2024 – Jun 2026 366 mg/l 22 Jun 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Hexafluoropropylene oxide trimer acid 2980 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Imazapyr 7025 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Indeno(1,2,3-cd)pyrene 0746 River water 20 Jan 2024 – Jun 2026 above 0.03 µg/l 22 Jun 2026
Ioxynil 9068 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Iron, Dissolved 6460 River water 20 Jan 2024 – Jun 2026 15000 µg/l 22 Jun 2026
Isoproturon 3117 River water 18 Jan 2024 – Apr 2026 below 0.01 µg/l 27 Apr 2026
Lead : BLM Bioavailable 3377 River water 20 Jan 2024 – Jun 2026 2.8 µg/l 22 Jun 2026
Lead, Dissolved 0052 River water 20 Jan 2024 – Jun 2026 18 µg/l 22 Jun 2026
Linuron 3118 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Lithium, Dissolved 4201 River water 20 Jan 2024 – Jun 2026 below 100 µg/l 22 Jun 2026
Magnesium, Dissolved 0235 River water 20 Jan 2024 – Jun 2026 4 mg/l 22 Jun 2026
Manganese : BLM Bioavailable 4820 River water 20 Jan 2024 – Jun 2026 300 µg/l 22 Jun 2026
Manganese, Dissolved 6458 River water 20 Jan 2024 – Jun 2026 1200 µg/l 22 Jun 2026
MCPA :- {4-Chloro-2-methylphenoxyacetic acid} 3548 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
MCPB :- {4-Chloro-2-methylphenoxybutyric acid} 3790 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Mecoprop 3549 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Methabenzthiazuron 7053 River water 19 Jan 2024 – May 2026 below 0.01 µg/l 18 May 2026
Methiocarb 6971 River water 20 Jan 2024 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Methomyl 6972 River water 19 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Metoxuron 3130 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Metsulfuron-methyl 9861 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Monolinuron 3925 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Monuron 3400 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 2 May 2026 – Jun 2026 below 0.02 µg/l 22 Jun 2026
N-methylperfluorooctanesulfonamide 2975 River water 2 May 2026 – Jun 2026 below 0.02 µg/l 22 Jun 2026
Neburon 9756 River water 20 Jan 2024 – Jun 2026 below 0.1 µg/l 22 Jun 2026
Nickel : BLM Bioavailable 3878 River water 20 Jan 2024 – Jun 2026 4.7 µg/l 22 Jun 2026
Nickel, Dissolved 3410 River water 20 Jan 2024 – Jun 2026 20 µg/l 22 Jun 2026
Nitrite as N 0118 River water 6 Jan 2026 – Jun 2026 0.18 mg/l 22 Jun 2026
Nitrogen, Total as N 9686 River water 6 Jan 2026 – Jun 2026 7.9 mg/l 22 Jun 2026
Nitrogen, Total Oxidised as N 0116 River water 6 Jan 2026 – Jun 2026 0.26 mg/l 22 Jun 2026
No flow /No sample 7668 River water 2 Jul 2026 – Aug 2026 No flow/discharge at sampling point 18 Aug 2026
Oxamyl 6980 River water 19 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorobutanesulfonic acid 2972 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorobutanoic acid 2995 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorodecanesulfonic acid 2969 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorodecanoic acid 8892 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorododecane sulfonic acid 2968 River water 2 May 2026 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Perfluorododecanoic acid 8894 River water 2 May 2026 – Jun 2026 below 0.02 µg/l 22 Jun 2026
Perfluoroheptanesulfonic acid 2967 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluoroheptanoic acid 8889 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorohexane sulfonamido amine 2874 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorohexanesulfonamide 2965 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorohexanesulfonic acid (B) 2944 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorohexanesulfonic acid (L) 2964 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorohexanoic acid 8888 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorononanesulfonic acid 2963 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorononanoic acid 8891 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorooctadecanoic acid 2962 River water 2 May 2026 – Jun 2026 below 0.02 µg/l 22 Jun 2026
Perfluorooctanesulfonamide 2961 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 2 May 2026 – Jun 2026 0.0053 µg/l 22 Jun 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 May 2026 – Jun 2026 0.015 µg/l 22 Jun 2026
Perfluorooctanesulfonic acid (total) 2958 River water 2 May 2026 – Jun 2026 0.021 µg/l 22 Jun 2026
Perfluorooctanoate anion 9274 River water 20 Jan 2024 – Jun 2026 below 0.003 µg/l 22 Jun 2026
Perfluorooctanoic acid 8890 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluorooctylsulphonate anion 9276 River water 20 Jan 2024 – Jun 2026 0.023 µg/l 22 Jun 2026
Perfluoropentanesulfonic acid 2957 River water 2 May 2026 – Jun 2026 below 0.005 µg/l 22 Jun 2026
Perfluoropentanoic acid 8887 River water 1 Jun 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Perfluorotetradecanoic acid 8895 River water 2 May 2026 – Jun 2026 below 0.06 µg/l 22 Jun 2026
Perfluorotridecanoic acid 2955 River water 2 May 2026 – Jun 2026 below 0.02 µg/l 22 Jun 2026
Perfluoroundecane sulfonic acid 2953 River water 2 May 2026 – Jun 2026 below 0.04 µg/l 22 Jun 2026
Perfluoroundecanoic acid 8893 River water 2 May 2026 – Jun 2026 below 0.01 µg/l 22 Jun 2026
Phenoxyacetic acid :- {PAA} 6671 River water 13 Jan 2024 – Feb 2025 below 0.01 µg/l 14 Feb 2025
Phosphorus, Total as P 0348 River water 6 Jan 2026 – Jun 2026 19 mg/l 22 Jun 2026
Picloram 9883 River water 14 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Potassium, Dissolved 0209 River water 20 Jan 2024 – Jun 2026 4.1 mg/l 22 Jun 2026
Propoxur 6987 River water 20 Jan 2024 – Jun 2026 below 0.05 µg/l 22 Jun 2026
Silica, reactive as SiO2 0182 River water 6 Jan 2026 – Jun 2026 8.6 mg/l 22 Jun 2026
Sodium, Dissolved 0205 River water 20 Jan 2024 – Jun 2026 14 mg/l 22 Jun 2026
Solids, Suspended at 105 C 0135 River water 6 Jan 2026 – Jun 2026 8900 mg/l 22 Jun 2026
Strontium, Filtered 6693 River water 20 Jan 2024 – Jun 2026 220 µg/l 22 Jun 2026
Sulcotrione 5042 River water 20 Jan 2024 – Jun 2026 below 1 µg/l 22 Jun 2026
Sulphate, Dissolved as SO4 7859 River water 20 Jan 2024 – Jun 2026 33 mg/l 22 Jun 2026
trans-Permethrin 9342 River water 17 Mar 2024 – Jun 2026 below 0.0001 µg/l 22 Jun 2026
Tributyl Tin as Cation 8944 River water 12 Jan 2024 – Feb 2025 below 0.0002 µg/l 14 Feb 2025
Triclopyr 3555 River water 13 Jan 2024 – Feb 2025 below 0.005 µg/l 14 Feb 2025
Triclosan 5889 River water 11 Apr 2024 – Feb 2025 below 0.01 µg/l 14 Feb 2025
Triphenyl Tin as Cation 5732 River water 12 Jan 2024 – Feb 2025 below 0.0002 µg/l 14 Feb 2025
Zinc : BLM Bioavailable 4822 River water 20 Jan 2024 – Jun 2026 45 µg/l 22 Jun 2026
Zinc, Dissolved 3408 River water 20 Jan 2024 – Jun 2026 130 µg/l 22 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.