At Whitty

EA name: SSN1600 AT WHITTY
Environment Agency sampling point SW-SSN1600 · 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
15 Dec 2025, 11:0310 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 16 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 327792, 118066As 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), 2 m from the line.
Next gauge downstream
Midelney On the River Isle · 20 km along the river
Why it was sampled
Monitoring (national agency policy) (13 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

99.3%

Sampled 15 Dec 2025, 10 months ago · 11 results banked

80859095100105%20242025202616 Jan 2025, 13:40: 97.8%26 Feb 2025, 10:27: 100%17 Mar 2025, 13:03: 103.8%10 Apr 2025, 10:15: 99.3%6 May 2025, 11:23: 94.6%20 Jun 2025, 11:25: 92.2%25 Jul 2025, 10:12: 83.9%11 Aug 2025, 11:03: 93%3 Oct 2025, 10:23: 84%28 Nov 2025, 10:04: 96.6%15 Dec 2025, 11:03: 99.3%
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:0399.3 99.3%
28 Nov 2025, 10:0496.6 96.6%
3 Oct 2025, 10:2384 84%
11 Aug 2025, 11:0393 93%
25 Jul 2025, 10:1283.9 83.9%
20 Jun 2025, 11:2592.2 92.2%
6 May 2025, 11:2394.6 94.6%
10 Apr 2025, 10:1599.3 99.3%
17 Mar 2025, 13:03103.8 103.8%
26 Feb 2025, 10:27100 100%
16 Jan 2025, 13:4097.8 97.8%

Dissolved oxygen

as O2 · code 9924 · mg/l

11.2 mg/l

Sampled 15 Dec 2025, 10 months ago · 11 results banked

8101214mg/l20242025202616 Jan 2025, 13:40: 12.4 mg/l26 Feb 2025, 10:27: 12.1 mg/l17 Mar 2025, 13:03: 13 mg/l10 Apr 2025, 10:15: 12 mg/l6 May 2025, 11:23: 11 mg/l20 Jun 2025, 11:25: 8.81 mg/l25 Jul 2025, 10:12: 8.29 mg/l11 Aug 2025, 11:03: 9 mg/l3 Oct 2025, 10:23: 8.52 mg/l28 Nov 2025, 10:04: 11.1 mg/l15 Dec 2025, 11:03: 11.2 mg/l
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:0311.2 11.2 mg/l
28 Nov 2025, 10:0411.1 11.1 mg/l
3 Oct 2025, 10:238.52 8.52 mg/l
11 Aug 2025, 11:039 9 mg/l
25 Jul 2025, 10:128.29 8.29 mg/l
20 Jun 2025, 11:258.81 8.81 mg/l
6 May 2025, 11:2311 11 mg/l
10 Apr 2025, 10:1512 12 mg/l
17 Mar 2025, 13:0313 13 mg/l
26 Feb 2025, 10:2712.1 12.1 mg/l
16 Jan 2025, 13:4012.4 12.4 mg/l

Water temperature

code 0076 · °C

10.1 °C

Sampled 15 Dec 2025, 10 months ago · 11 results banked

5101520°C20242025202616 Jan 2025, 13:40: 5.3 °C26 Feb 2025, 10:27: 7.2 °C17 Mar 2025, 13:03: 5.6 °C10 Apr 2025, 10:15: 7 °C6 May 2025, 11:23: 8.6 °C20 Jun 2025, 11:25: 17.4 °C25 Jul 2025, 10:12: 15.8 °C11 Aug 2025, 11:03: 16.8 °C3 Oct 2025, 10:23: 14.6 °C28 Nov 2025, 10:04: 9.2 °C15 Dec 2025, 11:03: 10.1 °C
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:0310.1 10.1 °C
28 Nov 2025, 10:049.2 9.2 °C
3 Oct 2025, 10:2314.6 14.6 °C
11 Aug 2025, 11:0316.8 16.8 °C
25 Jul 2025, 10:1215.8 15.8 °C
20 Jun 2025, 11:2517.4 17.4 °C
6 May 2025, 11:238.6 8.6 °C
10 Apr 2025, 10:157 7 °C
17 Mar 2025, 13:035.6 5.6 °C
26 Feb 2025, 10:277.2 7.2 °C
16 Jan 2025, 13:405.3 5.3 °C

pH

code 0061

8.25

Sampled 15 Dec 2025, 10 months ago · 11 results banked

7.67.888.28.420242025202616 Jan 2025, 13:40: 8.1526 Feb 2025, 10:27: 7.8217 Mar 2025, 13:03: 8.3210 Apr 2025, 10:15: 8.096 May 2025, 11:23: 8.0920 Jun 2025, 11:25: 7.9125 Jul 2025, 10:12: 7.7911 Aug 2025, 11:03: 7.963 Oct 2025, 10:23: 7.6728 Nov 2025, 10:04: 8.0715 Dec 2025, 11:03: 8.25
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:038.25 8.25
28 Nov 2025, 10:048.07 8.07
3 Oct 2025, 10:237.67 7.67
11 Aug 2025, 11:037.96 7.96
25 Jul 2025, 10:127.79 7.79
20 Jun 2025, 11:257.91 7.91
6 May 2025, 11:238.09 8.09
10 Apr 2025, 10:158.09 8.09
17 Mar 2025, 13:038.32 8.32
26 Feb 2025, 10:277.82 7.82
16 Jan 2025, 13:408.15 8.15

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 15 Dec 2025, 10 months ago · 11 results banked

0.020.040.060.080.10.12mg/l20242025202616 Jan 2025, 13:40: 0.11 mg/l26 Feb 2025, 10:27: 0.042 mg/l17 Mar 2025, 13:03: 0.063 mg/l10 Apr 2025, 10:15: 0.09 mg/l6 May 2025, 11:23: 0.036 mg/l20 Jun 2025, 11:25: below 0.03 mg/l (not detected above this)25 Jul 2025, 10:12: below 0.03 mg/l (not detected above this)11 Aug 2025, 11:03: below 0.03 mg/l (not detected above this)3 Oct 2025, 10:23: below 0.03 mg/l (not detected above this)28 Nov 2025, 10:04: below 0.03 mg/l (not detected above this)15 Dec 2025, 11:03: below 0.03 mg/l (not detected above this)
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:03<0.03 below 0.03 mg/l (not detected above this)
28 Nov 2025, 10:04<0.03 below 0.03 mg/l (not detected above this)
3 Oct 2025, 10:23<0.03 below 0.03 mg/l (not detected above this)
11 Aug 2025, 11:03<0.03 below 0.03 mg/l (not detected above this)
25 Jul 2025, 10:12<0.03 below 0.03 mg/l (not detected above this)
20 Jun 2025, 11:25<0.03 below 0.03 mg/l (not detected above this)
6 May 2025, 11:230.036 0.036 mg/l
10 Apr 2025, 10:150.09 0.09 mg/l
17 Mar 2025, 13:030.063 0.063 mg/l
26 Feb 2025, 10:270.042 0.042 mg/l
16 Jan 2025, 13:400.11 0.11 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.756 mg/l

Sampled 15 Dec 2025, 10 months ago · 11 results banked

00.511.52mg/l20242025202616 Jan 2025, 13:40: 0.685 mg/l26 Feb 2025, 10:27: 0.396 mg/l17 Mar 2025, 13:03: 0.792 mg/l10 Apr 2025, 10:15: 1.47 mg/l6 May 2025, 11:23: 1.29 mg/l20 Jun 2025, 11:25: 1.6 mg/l25 Jul 2025, 10:12: 1.5 mg/l11 Aug 2025, 11:03: 0.956 mg/l3 Oct 2025, 10:23: 1.98 mg/l28 Nov 2025, 10:04: 1.6 mg/l15 Dec 2025, 11:03: 0.756 mg/l
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:030.756 0.756 mg/l
28 Nov 2025, 10:041.6 1.6 mg/l
3 Oct 2025, 10:231.98 1.98 mg/l
11 Aug 2025, 11:030.956 0.956 mg/l
25 Jul 2025, 10:121.5 1.5 mg/l
20 Jun 2025, 11:251.6 1.6 mg/l
6 May 2025, 11:231.29 1.29 mg/l
10 Apr 2025, 10:151.47 1.47 mg/l
17 Mar 2025, 13:030.792 0.792 mg/l
26 Feb 2025, 10:270.396 0.396 mg/l
16 Jan 2025, 13:400.685 0.685 mg/l

Phosphate

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

0.044 mg/l

Sampled 15 Dec 2025, 10 months ago · 11 results banked

00.10.20.30.4mg/l20242025202616 Jan 2025, 13:40: 0.045 mg/l26 Feb 2025, 10:27: 0.038 mg/l17 Mar 2025, 13:03: 0.081 mg/l10 Apr 2025, 10:15: 0.17 mg/l6 May 2025, 11:23: 0.17 mg/l20 Jun 2025, 11:25: 0.28 mg/l25 Jul 2025, 10:12: 0.39 mg/l11 Aug 2025, 11:03: 0.29 mg/l3 Oct 2025, 10:23: 0.31 mg/l28 Nov 2025, 10:04: 0.046 mg/l15 Dec 2025, 11:03: 0.044 mg/l
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:030.044 0.044 mg/l
28 Nov 2025, 10:040.046 0.046 mg/l
3 Oct 2025, 10:230.31 0.31 mg/l
11 Aug 2025, 11:030.29 0.29 mg/l
25 Jul 2025, 10:120.39 0.39 mg/l
20 Jun 2025, 11:250.28 0.28 mg/l
6 May 2025, 11:230.17 0.17 mg/l
10 Apr 2025, 10:150.17 0.17 mg/l
17 Mar 2025, 13:030.081 0.081 mg/l
26 Feb 2025, 10:270.038 0.038 mg/l
16 Jan 2025, 13:400.045 0.045 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

327 µS/cm

Sampled 15 Dec 2025, 10 months ago · 11 results banked

0200400600800µS/cm20242025202616 Jan 2025, 13:40: 414 µS/cm26 Feb 2025, 10:27: 161 µS/cm17 Mar 2025, 13:03: 444 µS/cm10 Apr 2025, 10:15: 540 µS/cm6 May 2025, 11:23: 544 µS/cm20 Jun 2025, 11:25: 602 µS/cm25 Jul 2025, 10:12: 603 µS/cm11 Aug 2025, 11:03: 600 µS/cm3 Oct 2025, 10:23: 621 µS/cm28 Nov 2025, 10:04: 434 µS/cm15 Dec 2025, 11:03: 327 µS/cm
Every result (11)
SampledResult as publishedReads as
15 Dec 2025, 11:03327 327 µS/cm
28 Nov 2025, 10:04434 434 µS/cm
3 Oct 2025, 10:23621 621 µS/cm
11 Aug 2025, 11:03600 600 µS/cm
25 Jul 2025, 10:12603 603 µS/cm
20 Jun 2025, 11:25602 602 µS/cm
6 May 2025, 11:23544 544 µS/cm
10 Apr 2025, 10:15540 540 µS/cm
17 Mar 2025, 13:03444 444 µS/cm
26 Feb 2025, 10:27161 161 µS/cm
16 Jan 2025, 13:40414 414 µS/cm

Everything measured here

109 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 109 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 11 Jan 2025 – Dec 2025 99.3% 15 Dec 2025
Oxygen, Dissolved as O2 9924 River water 11 Jan 2025 – Dec 2025 11.2 mg/l 15 Dec 2025
Temperature of Water 0076 River water 11 Jan 2025 – Dec 2025 10.1 °C 15 Dec 2025
pH 0061 River water 11 Jan 2025 – Dec 2025 8.25 15 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 11 Jan 2025 – Dec 2025 below 0.03 mg/l 15 Dec 2025
Nitrate as N 0117 River water 11 Jan 2025 – Dec 2025 0.756 mg/l 15 Dec 2025
Orthophosphate, reactive as P 0180 River water 11 Jan 2025 – Dec 2025 0.044 mg/l 15 Dec 2025
Conductivity at 25 C 0077 River water 11 Jan 2025 – Dec 2025 327 µS/cm 15 Dec 2025
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 15 Dec 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
2H-Perfluoro-2-decenoic acid 2888 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
3-Perfluoroheptylpropanoic acid 2925 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 2 May 2025 – Dec 2025 below 0.004 µg/l 15 Dec 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
5:1:2 Fluorotelomer betaine 2887 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
5:3 Fluorotelomer betaine 2886 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
6:2 Fluorotelomer phosphate diester 2986 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 15 Dec 2025
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 15 Dec 2025
6:6 Perfluorophosphinic acid 2883 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 15 Dec 2025
6:8 Perfluorophosphinic acid 2882 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 15 Dec 2025
8:2 Fluorotelomer phosphate diester 2880 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 15 Dec 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
8:8 Perfluorophosphinic acid 2879 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 15 Dec 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 11 Jan 2025 – Dec 2025 130 mg/l 15 Dec 2025
Aluminium, Dissolved 6037 River water 3 Apr 2025 – Oct 2025 below 20 µg/l 3 Oct 2025
Aminomethylphosphonic acid 7125 River water 8 Apr 2025 – Dec 2025 0.24 µg/l 15 Dec 2025
Ammonia un-ionised as N 0119 River water 11 Jan 2025 – Dec 2025 below 0.00055 mg/l 15 Dec 2025
Barium, Dissolved 9446 River water 3 Apr 2025 – Oct 2025 30 µg/l 3 Oct 2025
Boron, Dissolved 9447 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 3 Oct 2025
Cadmium, Dissolved 0106 River water 3 Apr 2025 – Oct 2025 0.014 µg/l 3 Oct 2025
Calcium, Dissolved 0239 River water 3 Apr 2025 – Oct 2025 73 mg/l 3 Oct 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 11 Jan 2025 – Dec 2025 7.8 mg/l 15 Dec 2025
Chloride 0172 River water 11 Jan 2025 – Dec 2025 15 mg/l 15 Dec 2025
Chromium, Dissolved 3409 River water 3 Apr 2025 – Oct 2025 below 0.5 µg/l 3 Oct 2025
Copper : BLM Bioavailable 4821 River water 3 Apr 2025 – Oct 2025 0.09 µg/l 3 Oct 2025
Copper, Dissolved 6450 River water 3 Apr 2025 – Oct 2025 1.3 µg/l 3 Oct 2025
eDNA Report 3047 River water 1 Jan 2025 – Jan 2025 1 text result 16 Jan 2025
Flow Type 2896 River water 11 Jan 2025 – Nov 2025 Moderate Flow 28 Nov 2025
Glyphosate 3007 River water 8 Apr 2025 – Dec 2025 below 0.1 µg/l 15 Dec 2025
Hardness, Calcium 0163 River water 3 Apr 2025 – Oct 2025 182 mg/l 3 Oct 2025
Hardness, Total as CaCO3 0158 River water 3 Apr 2025 – Oct 2025 248 mg/l 3 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Hexafluoropropylene oxide trimer acid 2980 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Iron, Dissolved 6460 River water 3 Apr 2025 – Oct 2025 below 30 µg/l 3 Oct 2025
Lead : BLM Bioavailable 3377 River water 3 Apr 2025 – Oct 2025 0.05 µg/l 3 Oct 2025
Lead, Dissolved 0052 River water 3 Apr 2025 – Oct 2025 0.17 µg/l 3 Oct 2025
Lithium, Dissolved 4201 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 3 Oct 2025
Magnesium, Dissolved 0235 River water 3 Apr 2025 – Oct 2025 16 mg/l 3 Oct 2025
Manganese : BLM Bioavailable 4820 River water 3 Apr 2025 – Oct 2025 1.5 µg/l 3 Oct 2025
Manganese, Dissolved 6458 River water 3 Apr 2025 – Oct 2025 below 10 µg/l 3 Oct 2025
Mitochondrial marker : Fish 12S 2857 River water 1 Jan 2025 – Jan 2025 Present 16 Jan 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 15 Dec 2025
N-methylperfluorooctanesulfonamide 2975 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 15 Dec 2025
Nickel : BLM Bioavailable 3878 River water 3 Apr 2025 – Oct 2025 0.45 µg/l 3 Oct 2025
Nickel, Dissolved 3410 River water 3 Apr 2025 – Oct 2025 1.5 µg/l 3 Oct 2025
Nitrite as N 0118 River water 11 Jan 2025 – Dec 2025 below 0.004 mg/l 15 Dec 2025
Nitrogen, Total as N 9686 River water 11 Jan 2025 – Dec 2025 1.5 mg/l 15 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 11 Jan 2025 – Dec 2025 0.76 mg/l 15 Dec 2025
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorobutanesulfonic acid 2972 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorobutanoic acid 2995 River water 2 May 2025 – Dec 2025 0.0013 µg/l 15 Dec 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorodecanesulfonic acid 2969 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorodecanoic acid 8892 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorododecane sulfonic acid 2968 River water 2 May 2025 – Dec 2025 below 0.005 µg/l 15 Dec 2025
Perfluorododecanoic acid 8894 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 15 Dec 2025
Perfluoroheptanesulfonic acid 2967 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluoroheptanoic acid 8889 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorohexanesulfonamide 2965 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorohexanesulfonic acid (B) 2944 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorohexanesulfonic acid (L) 2964 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorohexanoic acid 8888 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorononanesulfonic acid 2963 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorononanoic acid 8891 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorooctadecanoic acid 2962 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 15 Dec 2025
Perfluorooctanesulfonamide 2961 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 1 May 2025 – May 2025 below 0.0005 µg/l 6 May 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluorooctanesulfonic acid (total) 2958 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorooctanoic acid 8890 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluoropentanesulfonic acid 2957 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 15 Dec 2025
Perfluoropentanoic acid 8887 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Perfluorotetradecanoic acid 8895 River water 2 May 2025 – Dec 2025 below 0.006 µg/l 15 Dec 2025
Perfluorotridecanoic acid 2955 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 15 Dec 2025
Perfluoroundecane sulfonic acid 2953 River water 2 May 2025 – Dec 2025 below 0.004 µg/l 15 Dec 2025
Perfluoroundecanoic acid 8893 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 15 Dec 2025
Phosphorus, Total as P 0348 River water 11 Jan 2025 – Dec 2025 0.077 mg/l 15 Dec 2025
Potassium, Dissolved 0209 River water 3 Apr 2025 – Oct 2025 4.6 mg/l 3 Oct 2025
Silica, reactive as SiO2 0182 River water 11 Jan 2025 – Dec 2025 8.1 mg/l 15 Dec 2025
Sodium, Dissolved 0205 River water 3 Apr 2025 – Oct 2025 30 mg/l 3 Oct 2025
Solids, Suspended at 105 C 0135 River water 11 Jan 2025 – Dec 2025 19 mg/l 15 Dec 2025
Strontium, Filtered 6693 River water 3 Apr 2025 – Oct 2025 630 µg/l 3 Oct 2025
Sulphate, Dissolved as SO4 7859 River water 3 Apr 2025 – Oct 2025 140 mg/l 3 Oct 2025
Zinc : BLM Bioavailable 4822 River water 3 Apr 2025 – Oct 2025 0.97 µg/l 3 Oct 2025
Zinc, Dissolved 3408 River water 3 Apr 2025 – Oct 2025 2.1 µg/l 3 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.