Langfords Footbridge

EA name: SSN1547 LANGFORDS FOOTBRIDGE
Environment Agency sampling point SO-SSN1547 · 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
2 Dec 2025, 12:2710 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 8 Oct 2026 and had nothing newer.
Samples banked
13 since 23 Jan 2025 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Monitoring (national agency policy)
Where
National Grid 586247, 117826As 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
An unnamed streamPlaced by position alone (the only river line close by), 4 m from the line.
Next gauge downstream
Winchelsea Strand Bridge On the River Brede · 6.0 km along the river
Why it was sampled
Monitoring (national agency policy) (13 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

67.8%

Sampled 2 Dec 2025, 10 months ago · 12 results banked

255075100125150%20242025202623 Jan 2025, 13:45: 67.9%24 Feb 2025, 12:18: 90.3%20 Mar 2025, 11:02: 105.9%24 Apr 2025, 12:58: 83.1%13 May 2025, 10:15: 134.3%30 Jun 2025, 09:37: 120.7%23 Jul 2025, 13:08: 109%1 Aug 2025, 13:44: 130%16 Sep 2025, 12:46: 94.7%28 Oct 2025, 09:17: 64.2%18 Nov 2025, 10:40: 35.9%2 Dec 2025, 12:27: 67.8%
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 12:2767.8 67.8%
18 Nov 2025, 10:4035.9 35.9%
28 Oct 2025, 09:1764.2 64.2%
16 Sep 2025, 12:4694.7 94.7%
1 Aug 2025, 13:44130 130%
23 Jul 2025, 13:08109 109%
30 Jun 2025, 09:37120.7 120.7%
13 May 2025, 10:15134.3 134.3%
24 Apr 2025, 12:5883.1 83.1%
20 Mar 2025, 11:02105.9 105.9%
24 Feb 2025, 12:1890.3 90.3%
23 Jan 2025, 13:4567.9 67.9%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.86 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

468101214mg/l20242025202623 Jan 2025, 13:45: 8.61 mg/l24 Feb 2025, 12:18: 10.1 mg/l20 Mar 2025, 11:02: 12 mg/l24 Apr 2025, 12:58: 8.41 mg/l13 May 2025, 10:15: 12.4 mg/l30 Jun 2025, 09:37: 10.6 mg/l23 Jul 2025, 13:08: 9.96 mg/l1 Aug 2025, 13:44: 11.6 mg/l16 Sep 2025, 12:46: 9.1 mg/l28 Oct 2025, 09:17: 7.18 mg/l18 Nov 2025, 10:40: 4.43 mg/l2 Dec 2025, 12:27: 7.86 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 12:277.86 7.86 mg/l
18 Nov 2025, 10:404.43 4.43 mg/l
28 Oct 2025, 09:177.18 7.18 mg/l
16 Sep 2025, 12:469.1 9.1 mg/l
1 Aug 2025, 13:4411.6 11.6 mg/l
23 Jul 2025, 13:089.96 9.96 mg/l
30 Jun 2025, 09:3710.6 10.6 mg/l
13 May 2025, 10:1512.4 12.4 mg/l
24 Apr 2025, 12:588.41 8.41 mg/l
20 Mar 2025, 11:0212 12 mg/l
24 Feb 2025, 12:1810.1 10.1 mg/l
23 Jan 2025, 13:458.61 8.61 mg/l

Water temperature

code 0076 · °C

8.8 °C

Sampled 2 Dec 2025, 10 months ago · 12 results banked

510152025°C20242025202623 Jan 2025, 13:45: 5.2 °C24 Feb 2025, 12:18: 10.2 °C20 Mar 2025, 11:02: 9.7 °C24 Apr 2025, 12:58: 14.7 °C13 May 2025, 10:15: 19.2 °C30 Jun 2025, 09:37: 21.5 °C23 Jul 2025, 13:08: 19.6 °C1 Aug 2025, 13:44: 20.7 °C16 Sep 2025, 12:46: 17.1 °C28 Oct 2025, 09:17: 10.3 °C18 Nov 2025, 10:40: 6.3 °C2 Dec 2025, 12:27: 8.8 °C
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 12:278.8 8.8 °C
18 Nov 2025, 10:406.3 6.3 °C
28 Oct 2025, 09:1710.3 10.3 °C
16 Sep 2025, 12:4617.1 17.1 °C
1 Aug 2025, 13:4420.7 20.7 °C
23 Jul 2025, 13:0819.6 19.6 °C
30 Jun 2025, 09:3721.5 21.5 °C
13 May 2025, 10:1519.2 19.2 °C
24 Apr 2025, 12:5814.7 14.7 °C
20 Mar 2025, 11:029.7 9.7 °C
24 Feb 2025, 12:1810.2 10.2 °C
23 Jan 2025, 13:455.2 5.2 °C

pH

code 0061

7.27

Sampled 2 Dec 2025, 10 months ago · 12 results banked

77.588.520242025202623 Jan 2025, 13:45: 7.1324 Feb 2025, 12:18: 7.6920 Mar 2025, 11:02: 7.9324 Apr 2025, 12:58: 7.6613 May 2025, 10:15: 8.330 Jun 2025, 09:37: 7.3723 Jul 2025, 13:08: 7.351 Aug 2025, 13:44: 7.0716 Sep 2025, 12:46: 7.6428 Oct 2025, 09:17: 7.5718 Nov 2025, 10:40: 7.12 Dec 2025, 12:27: 7.27
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 12:277.27 7.27
18 Nov 2025, 10:407.1 7.1
28 Oct 2025, 09:177.57 7.57
16 Sep 2025, 12:467.64 7.64
1 Aug 2025, 13:447.07 7.07
23 Jul 2025, 13:087.35 7.35
30 Jun 2025, 09:377.37 7.37
13 May 2025, 10:158.3 8.3
24 Apr 2025, 12:587.66 7.66
20 Mar 2025, 11:027.93 7.93
24 Feb 2025, 12:187.69 7.69
23 Jan 2025, 13:457.13 7.13

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.22 mg/l

Sampled 2 Dec 2025, 10 months ago · 11 results banked

00.10.20.30.4mg/l20242025202623 Jan 2025, 13:45: 0.15 mg/l20 Mar 2025, 11:02: below 0.03 mg/l (not detected above this)24 Apr 2025, 12:58: 0.045 mg/l13 May 2025, 10:15: below 0.03 mg/l (not detected above this)30 Jun 2025, 09:37: below 0.03 mg/l (not detected above this)23 Jul 2025, 13:08: below 0.03 mg/l (not detected above this)1 Aug 2025, 13:44: below 0.03 mg/l (not detected above this)16 Sep 2025, 12:46: below 0.03 mg/l (not detected above this)28 Oct 2025, 09:17: 0.11 mg/l18 Nov 2025, 10:40: 0.37 mg/l2 Dec 2025, 12:27: 0.22 mg/l
Every result (11)
SampledResult as publishedReads as
2 Dec 2025, 12:270.22 0.22 mg/l
18 Nov 2025, 10:400.37 0.37 mg/l
28 Oct 2025, 09:170.11 0.11 mg/l
16 Sep 2025, 12:46<0.03 below 0.03 mg/l (not detected above this)
1 Aug 2025, 13:44<0.03 below 0.03 mg/l (not detected above this)
23 Jul 2025, 13:08<0.03 below 0.03 mg/l (not detected above this)
30 Jun 2025, 09:37<0.03 below 0.03 mg/l (not detected above this)
13 May 2025, 10:15<0.03 below 0.03 mg/l (not detected above this)
24 Apr 2025, 12:580.045 0.045 mg/l
20 Mar 2025, 11:02<0.03 below 0.03 mg/l (not detected above this)
23 Jan 2025, 13:450.15 0.15 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.565 mg/l

Sampled 2 Dec 2025, 10 months ago · 11 results banked

00.250.50.7511.25mg/l20242025202623 Jan 2025, 13:45: 1.19 mg/l20 Mar 2025, 11:02: 0.593 mg/l24 Apr 2025, 12:58: below 0.196 mg/l (not detected above this)13 May 2025, 10:15: below 0.196 mg/l (not detected above this)30 Jun 2025, 09:37: below 0.196 mg/l (not detected above this)23 Jul 2025, 13:08: below 0.196 mg/l (not detected above this)1 Aug 2025, 13:44: below 0.196 mg/l (not detected above this)16 Sep 2025, 12:46: 0.223 mg/l28 Oct 2025, 09:17: 0.396 mg/l18 Nov 2025, 10:40: 0.205 mg/l2 Dec 2025, 12:27: 0.565 mg/l
Every result (11)
SampledResult as publishedReads as
2 Dec 2025, 12:270.565 0.565 mg/l
18 Nov 2025, 10:400.205 0.205 mg/l
28 Oct 2025, 09:170.396 0.396 mg/l
16 Sep 2025, 12:460.223 0.223 mg/l
1 Aug 2025, 13:44<0.196 below 0.196 mg/l (not detected above this)
23 Jul 2025, 13:08<0.196 below 0.196 mg/l (not detected above this)
30 Jun 2025, 09:37<0.196 below 0.196 mg/l (not detected above this)
13 May 2025, 10:15<0.196 below 0.196 mg/l (not detected above this)
24 Apr 2025, 12:58<0.196 below 0.196 mg/l (not detected above this)
20 Mar 2025, 11:020.593 0.593 mg/l
23 Jan 2025, 13:451.19 1.19 mg/l

Phosphate

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

0.045 mg/l

Sampled 2 Dec 2025, 10 months ago · 11 results banked

00.050.10.150.2mg/l20242025202623 Jan 2025, 13:45: 0.028 mg/l20 Mar 2025, 11:02: below 0.01 mg/l (not detected above this)24 Apr 2025, 12:58: 0.015 mg/l13 May 2025, 10:15: 0.02 mg/l30 Jun 2025, 09:37: 0.017 mg/l23 Jul 2025, 13:08: 0.027 mg/l1 Aug 2025, 13:44: 0.05 mg/l16 Sep 2025, 12:46: 0.096 mg/l28 Oct 2025, 09:17: 0.12 mg/l18 Nov 2025, 10:40: 0.17 mg/l2 Dec 2025, 12:27: 0.045 mg/l
Every result (11)
SampledResult as publishedReads as
2 Dec 2025, 12:270.045 0.045 mg/l
18 Nov 2025, 10:400.17 0.17 mg/l
28 Oct 2025, 09:170.12 0.12 mg/l
16 Sep 2025, 12:460.096 0.096 mg/l
1 Aug 2025, 13:440.05 0.05 mg/l
23 Jul 2025, 13:080.027 0.027 mg/l
30 Jun 2025, 09:370.017 0.017 mg/l
13 May 2025, 10:150.02 0.02 mg/l
24 Apr 2025, 12:580.015 0.015 mg/l
20 Mar 2025, 11:02<0.01 below 0.01 mg/l (not detected above this)
23 Jan 2025, 13:450.028 0.028 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

599 µS/cm

Sampled 2 Dec 2025, 10 months ago · 12 results banked

400500600700800µS/cm20242025202623 Jan 2025, 13:45: 612 µS/cm24 Feb 2025, 12:18: 582 µS/cm20 Mar 2025, 11:02: 639 µS/cm24 Apr 2025, 12:58: 531 µS/cm13 May 2025, 10:15: 459 µS/cm30 Jun 2025, 09:37: 498 µS/cm23 Jul 2025, 13:08: 506 µS/cm1 Aug 2025, 13:44: 519 µS/cm16 Sep 2025, 12:46: 602 µS/cm28 Oct 2025, 09:17: 770 µS/cm18 Nov 2025, 10:40: 645 µS/cm2 Dec 2025, 12:27: 599 µS/cm
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 12:27599 599 µS/cm
18 Nov 2025, 10:40645 645 µS/cm
28 Oct 2025, 09:17770 770 µS/cm
16 Sep 2025, 12:46602 602 µS/cm
1 Aug 2025, 13:44519 519 µS/cm
23 Jul 2025, 13:08506 506 µS/cm
30 Jun 2025, 09:37498 498 µS/cm
13 May 2025, 10:15459 459 µS/cm
24 Apr 2025, 12:58531 531 µS/cm
20 Mar 2025, 11:02639 639 µS/cm
24 Feb 2025, 12:18582 582 µS/cm
23 Jan 2025, 13:45612 612 µS/cm

Everything measured here

96 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 96 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 12 Jan 2025 – Dec 2025 67.8% 2 Dec 2025
Oxygen, Dissolved as O2 9924 River water 12 Jan 2025 – Dec 2025 7.86 mg/l 2 Dec 2025
Temperature of Water 0076 River water 12 Jan 2025 – Dec 2025 8.8 °C 2 Dec 2025
pH 0061 River water 12 Jan 2025 – Dec 2025 7.27 2 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 11 Jan 2025 – Dec 2025 0.22 mg/l 2 Dec 2025
Nitrate as N 0117 River water 11 Jan 2025 – Dec 2025 0.565 mg/l 2 Dec 2025
Orthophosphate, reactive as P 0180 River water 11 Jan 2025 – Dec 2025 0.045 mg/l 2 Dec 2025
Conductivity at 25 C 0077 River water 12 Jan 2025 – Dec 2025 599 µS/cm 2 Dec 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
3-Perfluoroheptylpropanoic acid 2925 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Aug 2025 – Aug 2025 below 0.004 µg/l 1 Aug 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 11 Jan 2025 – Dec 2025 190 mg/l 2 Dec 2025
Aluminium, Dissolved 6037 River water 3 Apr 2025 – Oct 2025 below 20 µg/l 28 Oct 2025
Aminomethylphosphonic acid 7125 River water 9 Apr 2025 – Dec 2025 below 0.1 µg/l 2 Dec 2025
Ammonia un-ionised as N 0119 River water 11 Jan 2025 – Dec 2025 0.00069 mg/l 2 Dec 2025
Barium, Dissolved 9446 River water 3 Apr 2025 – Oct 2025 16 µg/l 28 Oct 2025
Boron, Dissolved 9447 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 28 Oct 2025
Cadmium, Dissolved 0106 River water 3 Apr 2025 – Oct 2025 0.019 µg/l 28 Oct 2025
Calcium, Dissolved 0239 River water 3 Apr 2025 – Oct 2025 54 mg/l 28 Oct 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 10 Jan 2025 – Dec 2025 9.2 mg/l 2 Dec 2025
Chloride 0172 River water 11 Jan 2025 – Dec 2025 49 mg/l 2 Dec 2025
Chromium, Dissolved 3409 River water 3 Apr 2025 – Oct 2025 below 0.5 µg/l 28 Oct 2025
Copper : BLM Bioavailable 4821 River water 2 Apr 2025 – Jul 2025 0.02 µg/l 23 Jul 2025
Copper, Dissolved 6450 River water 3 Apr 2025 – Oct 2025 3.8 µg/l 28 Oct 2025
eDNA Report 3047 River water 1 Feb 2025 – Feb 2025 1 text result 24 Feb 2025
Environmental DNA Filtration 3064 River water 1 Feb 2025 – Feb 2025 DNA Stored 24 Feb 2025
Flow Type 2896 River water 9 Jan 2025 – Nov 2025 Moderate Flow 18 Nov 2025
Glyphosate 3007 River water 9 Apr 2025 – Dec 2025 below 0.1 µg/l 2 Dec 2025
Hardness, Calcium 0163 River water 3 Apr 2025 – Oct 2025 135 mg/l 28 Oct 2025
Hardness, Total as CaCO3 0158 River water 3 Apr 2025 – Oct 2025 165 mg/l 28 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
Iron, Dissolved 6460 River water 3 Apr 2025 – Oct 2025 220 µg/l 28 Oct 2025
Lead : BLM Bioavailable 3377 River water 2 Apr 2025 – Jul 2025 0.01 µg/l 23 Jul 2025
Lead, Dissolved 0052 River water 3 Apr 2025 – Oct 2025 below 0.1 µg/l 28 Oct 2025
Lithium, Dissolved 4201 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 28 Oct 2025
Magnesium, Dissolved 0235 River water 3 Apr 2025 – Oct 2025 7.4 mg/l 28 Oct 2025
Manganese : BLM Bioavailable 4820 River water 2 Apr 2025 – Jul 2025 1.4 µg/l 23 Jul 2025
Manganese, Dissolved 6458 River water 3 Apr 2025 – Oct 2025 94 µg/l 28 Oct 2025
Mitochondrial marker : Fish 12S 2857 River water 1 Feb 2025 – Feb 2025 Not found 24 Feb 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Aug 2025 – Aug 2025 below 0.002 µg/l 1 Aug 2025
N-methylperfluorooctanesulfonamide 2975 River water 1 Aug 2025 – Aug 2025 below 0.002 µg/l 1 Aug 2025
Nickel : BLM Bioavailable 3878 River water 2 Apr 2025 – Jul 2025 0.36 µg/l 23 Jul 2025
Nickel, Dissolved 3410 River water 3 Apr 2025 – Oct 2025 2.9 µg/l 28 Oct 2025
Nitrite as N 0118 River water 11 Jan 2025 – Dec 2025 0.015 mg/l 2 Dec 2025
Nitrogen, Total as N 9686 River water 11 Jan 2025 – Dec 2025 1.6 mg/l 2 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 11 Jan 2025 – Dec 2025 0.58 mg/l 2 Dec 2025
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluorobutanesulfonic acid 2972 River water 1 Aug 2025 – Aug 2025 below 0.002 µg/l 1 Aug 2025
Perfluorobutanoic acid 2995 River water 1 Aug 2025 – Aug 2025 0.004 µg/l 1 Aug 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluorodecanesulfonic acid 2969 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
Perfluorodecanoic acid 8892 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
Perfluorododecane sulfonic acid 2968 River water 1 Aug 2025 – Aug 2025 below 0.005 µg/l 1 Aug 2025
Perfluorododecanoic acid 8894 River water 1 Aug 2025 – Aug 2025 below 0.002 µg/l 1 Aug 2025
Perfluoroheptanesulfonic acid 2967 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluoroheptanoic acid 8889 River water 1 Aug 2025 – Aug 2025 0.0014 µg/l 1 Aug 2025
Perfluorohexanesulfonamide 2965 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluorohexanesulfonic acid (B) 2944 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluorohexanesulfonic acid (L) 2964 River water 1 Aug 2025 – Aug 2025 0.00076 µg/l 1 Aug 2025
Perfluorohexanoic acid 8888 River water 1 Aug 2025 – Aug 2025 0.0025 µg/l 1 Aug 2025
Perfluorononanesulfonic acid 2963 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluorononanoic acid 8891 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
Perfluorooctadecanoic acid 2962 River water 1 Aug 2025 – Aug 2025 below 0.002 µg/l 1 Aug 2025
Perfluorooctanesulfonamide 2961 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Aug 2025 – Aug 2025 0.00056 µg/l 1 Aug 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Aug 2025 – Aug 2025 0.00088 µg/l 1 Aug 2025
Perfluorooctanoic acid 8890 River water 1 Aug 2025 – Aug 2025 0.0014 µg/l 1 Aug 2025
Perfluoropentanesulfonic acid 2957 River water 1 Aug 2025 – Aug 2025 below 0.0005 µg/l 1 Aug 2025
Perfluoropentanoic acid 8887 River water 1 Aug 2025 – Aug 2025 0.0033 µg/l 1 Aug 2025
Perfluorotetradecanoic acid 8895 River water 1 Aug 2025 – Aug 2025 below 0.006 µg/l 1 Aug 2025
Perfluorotridecanoic acid 2955 River water 1 Aug 2025 – Aug 2025 below 0.002 µg/l 1 Aug 2025
Perfluoroundecane sulfonic acid 2953 River water 1 Aug 2025 – Aug 2025 below 0.004 µg/l 1 Aug 2025
Perfluoroundecanoic acid 8893 River water 1 Aug 2025 – Aug 2025 below 0.001 µg/l 1 Aug 2025
Phosphorus, Total as P 0348 River water 11 Jan 2025 – Dec 2025 0.066 mg/l 2 Dec 2025
Potassium, Dissolved 0209 River water 3 Apr 2025 – Oct 2025 6.3 mg/l 28 Oct 2025
Silica, reactive as SiO2 0182 River water 11 Jan 2025 – Dec 2025 12 mg/l 2 Dec 2025
Sodium, Dissolved 0205 River water 3 Apr 2025 – Oct 2025 31 mg/l 28 Oct 2025
Solids, Suspended at 105 C 0135 River water 11 Jan 2025 – Dec 2025 8.3 mg/l 2 Dec 2025
Strontium, Filtered 6693 River water 3 Apr 2025 – Oct 2025 210 µg/l 28 Oct 2025
Sulphate, Dissolved as SO4 7859 River water 3 Apr 2025 – Oct 2025 26 mg/l 28 Oct 2025
Zinc : BLM Bioavailable 4822 River water 2 Apr 2025 – Jul 2025 1 µg/l 23 Jul 2025
Zinc, Dissolved 3408 River water 3 Apr 2025 – Oct 2025 3.6 µg/l 28 Oct 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.