King Street Drain

EA name: SSN0859 KING STREET DRAIN
Environment Agency sampling point AN-SSN0859 · 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
5 Dec 2025, 13:4510 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 30 Sep 2026 and had nothing newer.
Samples banked
13 since 30 Jan 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 510772, 312295As published, to the nearest 1 m. Open in a map
River, by its own name
King Street Drain
River, by the map
King Street DrainPlaced on the river its name gives, 1 m from the line.
Next gauge downstream
Kates Bridge On the River Glen · 2.6 km along the river
Why it was sampled
Monitoring (national agency policy) (13 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

87.5%

Sampled 5 Dec 2025, 10 months ago · 11 results banked

255075100125150%20242025202613 Feb 2025, 11:20: 98.6%7 Mar 2025, 11:32: 123.7%11 Apr 2025, 12:29: 129.7%27 May 2025, 11:15: 105.1%6 Jun 2025, 10:37: 98.2%9 Jul 2025, 11:13: 97.8%4 Aug 2025, 13:12: 90.2%2 Sep 2025, 10:25: 41.8%3 Oct 2025, 13:35: 56.2%5 Nov 2025, 09:07: 51.7%5 Dec 2025, 13:45: 87.5%
Every result (11)
SampledResult as publishedReads as
5 Dec 2025, 13:4587.5 87.5%
5 Nov 2025, 09:0751.7 51.7%
3 Oct 2025, 13:3556.2 56.2%
2 Sep 2025, 10:2541.8 41.8%
4 Aug 2025, 13:1290.2 90.2%
9 Jul 2025, 11:1397.8 97.8%
6 Jun 2025, 10:3798.2 98.2%
27 May 2025, 11:15105.1 105.1%
11 Apr 2025, 12:29129.7 129.7%
7 Mar 2025, 11:32123.7 123.7%
13 Feb 2025, 11:2098.6 98.6%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.7 mg/l

Sampled 5 Dec 2025, 10 months ago · 11 results banked

2.557.51012.515mg/l20242025202613 Feb 2025, 11:20: 12.5 mg/l7 Mar 2025, 11:32: 13.9 mg/l11 Apr 2025, 12:29: 13.8 mg/l27 May 2025, 11:15: 10.7 mg/l6 Jun 2025, 10:37: 10.1 mg/l9 Jul 2025, 11:13: 9.36 mg/l4 Aug 2025, 13:12: 8.6 mg/l2 Sep 2025, 10:25: 4.24 mg/l3 Oct 2025, 13:35: 5.75 mg/l5 Nov 2025, 09:07: 5.43 mg/l5 Dec 2025, 13:45: 10.7 mg/l
Every result (11)
SampledResult as publishedReads as
5 Dec 2025, 13:4510.7 10.7 mg/l
5 Nov 2025, 09:075.43 5.43 mg/l
3 Oct 2025, 13:355.75 5.75 mg/l
2 Sep 2025, 10:254.24 4.24 mg/l
4 Aug 2025, 13:128.6 8.6 mg/l
9 Jul 2025, 11:139.36 9.36 mg/l
6 Jun 2025, 10:3710.1 10.1 mg/l
27 May 2025, 11:1510.7 10.7 mg/l
11 Apr 2025, 12:2913.8 13.8 mg/l
7 Mar 2025, 11:3213.9 13.9 mg/l
13 Feb 2025, 11:2012.5 12.5 mg/l

Water temperature

code 0076 · °C

6.5 °C

Sampled 5 Dec 2025, 10 months ago · 11 results banked

5101520°C20242025202613 Feb 2025, 11:20: 5.3 °C7 Mar 2025, 11:32: 10 °C11 Apr 2025, 12:29: 12.3 °C27 May 2025, 11:15: 14.4 °C6 Jun 2025, 10:37: 13.9 °C9 Jul 2025, 11:13: 17.3 °C4 Aug 2025, 13:12: 17.5 °C2 Sep 2025, 10:25: 14.6 °C3 Oct 2025, 13:35: 14.2 °C5 Nov 2025, 09:07: 13 °C5 Dec 2025, 13:45: 6.5 °C
Every result (11)
SampledResult as publishedReads as
5 Dec 2025, 13:456.5 6.5 °C
5 Nov 2025, 09:0713 13 °C
3 Oct 2025, 13:3514.2 14.2 °C
2 Sep 2025, 10:2514.6 14.6 °C
4 Aug 2025, 13:1217.5 17.5 °C
9 Jul 2025, 11:1317.3 17.3 °C
6 Jun 2025, 10:3713.9 13.9 °C
27 May 2025, 11:1514.4 14.4 °C
11 Apr 2025, 12:2912.3 12.3 °C
7 Mar 2025, 11:3210 10 °C
13 Feb 2025, 11:205.3 5.3 °C

pH

code 0061

7.87

Sampled 5 Dec 2025, 10 months ago · 11 results banked

7.47.67.888.28.420242025202613 Feb 2025, 11:20: 87 Mar 2025, 11:32: 8.2711 Apr 2025, 12:29: 8.1927 May 2025, 11:15: 7.786 Jun 2025, 10:37: 7.929 Jul 2025, 11:13: 7.934 Aug 2025, 13:12: 7.652 Sep 2025, 10:25: 7.693 Oct 2025, 13:35: 7.65 Nov 2025, 09:07: 7.75 Dec 2025, 13:45: 7.87
Every result (11)
SampledResult as publishedReads as
5 Dec 2025, 13:457.87 7.87
5 Nov 2025, 09:077.7 7.7
3 Oct 2025, 13:357.6 7.6
2 Sep 2025, 10:257.69 7.69
4 Aug 2025, 13:127.65 7.65
9 Jul 2025, 11:137.93 7.93
6 Jun 2025, 10:377.92 7.92
27 May 2025, 11:157.78 7.78
11 Apr 2025, 12:298.19 8.19
7 Mar 2025, 11:328.27 8.27
13 Feb 2025, 11:208 8

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 5 Dec 2025, 10 months ago · 12 results banked

00.050.10.150.2mg/l20242025202630 Jan 2025, 12:30: below 0.03 mg/l (not detected above this)13 Feb 2025, 11:20: 0.031 mg/l7 Mar 2025, 11:32: below 0.03 mg/l (not detected above this)11 Apr 2025, 12:29: 0.064 mg/l27 May 2025, 11:15: 0.084 mg/l6 Jun 2025, 10:37: 0.16 mg/l9 Jul 2025, 11:13: below 0.03 mg/l (not detected above this)4 Aug 2025, 13:12: below 0.03 mg/l (not detected above this)2 Sep 2025, 10:25: below 0.03 mg/l (not detected above this)3 Oct 2025, 13:35: below 0.03 mg/l (not detected above this)5 Nov 2025, 09:07: below 0.03 mg/l (not detected above this)5 Dec 2025, 13:45: below 0.03 mg/l (not detected above this)
Every result (12)
SampledResult as publishedReads as
5 Dec 2025, 13:45<0.03 below 0.03 mg/l (not detected above this)
5 Nov 2025, 09:07<0.03 below 0.03 mg/l (not detected above this)
3 Oct 2025, 13:35<0.03 below 0.03 mg/l (not detected above this)
2 Sep 2025, 10:25<0.03 below 0.03 mg/l (not detected above this)
4 Aug 2025, 13:12<0.03 below 0.03 mg/l (not detected above this)
9 Jul 2025, 11:13<0.03 below 0.03 mg/l (not detected above this)
6 Jun 2025, 10:370.16 0.16 mg/l
27 May 2025, 11:150.084 0.084 mg/l
11 Apr 2025, 12:290.064 0.064 mg/l
7 Mar 2025, 11:32<0.03 below 0.03 mg/l (not detected above this)
13 Feb 2025, 11:200.031 0.031 mg/l
30 Jan 2025, 12:30<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

18 mg/l

Sampled 5 Dec 2025, 10 months ago · 12 results banked

5101520mg/l20242025202630 Jan 2025, 12:30: 13 mg/l13 Feb 2025, 11:20: 12 mg/l7 Mar 2025, 11:32: 9.99 mg/l11 Apr 2025, 12:29: 6.48 mg/l27 May 2025, 11:15: 7.54 mg/l6 Jun 2025, 10:37: 6.43 mg/l9 Jul 2025, 11:13: 6.17 mg/l4 Aug 2025, 13:12: 6.53 mg/l2 Sep 2025, 10:25: 6.16 mg/l3 Oct 2025, 13:35: 6.75 mg/l5 Nov 2025, 09:07: 6.26 mg/l5 Dec 2025, 13:45: 18 mg/l
Every result (12)
SampledResult as publishedReads as
5 Dec 2025, 13:4518 18 mg/l
5 Nov 2025, 09:076.26 6.26 mg/l
3 Oct 2025, 13:356.75 6.75 mg/l
2 Sep 2025, 10:256.16 6.16 mg/l
4 Aug 2025, 13:126.53 6.53 mg/l
9 Jul 2025, 11:136.17 6.17 mg/l
6 Jun 2025, 10:376.43 6.43 mg/l
27 May 2025, 11:157.54 7.54 mg/l
11 Apr 2025, 12:296.48 6.48 mg/l
7 Mar 2025, 11:329.99 9.99 mg/l
13 Feb 2025, 11:2012 12 mg/l
30 Jan 2025, 12:3013 13 mg/l

Phosphate

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

0.048 mg/l

Sampled 5 Dec 2025, 10 months ago · 12 results banked

0.010.020.030.040.05mg/l20242025202630 Jan 2025, 12:30: 0.019 mg/l13 Feb 2025, 11:20: 0.011 mg/l7 Mar 2025, 11:32: below 0.01 mg/l (not detected above this)11 Apr 2025, 12:29: 0.012 mg/l27 May 2025, 11:15: below 0.01 mg/l (not detected above this)6 Jun 2025, 10:37: 0.023 mg/l9 Jul 2025, 11:13: 0.012 mg/l4 Aug 2025, 13:12: 0.014 mg/l2 Sep 2025, 10:25: below 0.01 mg/l (not detected above this)3 Oct 2025, 13:35: 0.011 mg/l5 Nov 2025, 09:07: 0.021 mg/l5 Dec 2025, 13:45: 0.048 mg/l
Every result (12)
SampledResult as publishedReads as
5 Dec 2025, 13:450.048 0.048 mg/l
5 Nov 2025, 09:070.021 0.021 mg/l
3 Oct 2025, 13:350.011 0.011 mg/l
2 Sep 2025, 10:25<0.01 below 0.01 mg/l (not detected above this)
4 Aug 2025, 13:120.014 0.014 mg/l
9 Jul 2025, 11:130.012 0.012 mg/l
6 Jun 2025, 10:370.023 0.023 mg/l
27 May 2025, 11:15<0.01 below 0.01 mg/l (not detected above this)
11 Apr 2025, 12:290.012 0.012 mg/l
7 Mar 2025, 11:32<0.01 below 0.01 mg/l (not detected above this)
13 Feb 2025, 11:200.011 0.011 mg/l
30 Jan 2025, 12:300.019 0.019 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

639 µS/cm

Sampled 5 Dec 2025, 10 months ago · 11 results banked

600650700750800µS/cm20242025202613 Feb 2025, 11:20: 729 µS/cm7 Mar 2025, 11:32: 715 µS/cm11 Apr 2025, 12:29: 658 µS/cm27 May 2025, 11:15: 752 µS/cm6 Jun 2025, 10:37: 722 µS/cm9 Jul 2025, 11:13: 738 µS/cm4 Aug 2025, 13:12: 734 µS/cm2 Sep 2025, 10:25: 725 µS/cm3 Oct 2025, 13:35: 744 µS/cm5 Nov 2025, 09:07: 758 µS/cm5 Dec 2025, 13:45: 639 µS/cm
Every result (11)
SampledResult as publishedReads as
5 Dec 2025, 13:45639 639 µS/cm
5 Nov 2025, 09:07758 758 µS/cm
3 Oct 2025, 13:35744 744 µS/cm
2 Sep 2025, 10:25725 725 µS/cm
4 Aug 2025, 13:12734 734 µS/cm
9 Jul 2025, 11:13738 738 µS/cm
6 Jun 2025, 10:37722 722 µS/cm
27 May 2025, 11:15752 752 µS/cm
11 Apr 2025, 12:29658 658 µS/cm
7 Mar 2025, 11:32715 715 µS/cm
13 Feb 2025, 11:20729 729 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 Feb 2025 – Dec 2025 87.5% 5 Dec 2025
Oxygen, Dissolved as O2 9924 River water 11 Feb 2025 – Dec 2025 10.7 mg/l 5 Dec 2025
Temperature of Water 0076 River water 11 Feb 2025 – Dec 2025 6.5 °C 5 Dec 2025
pH 0061 River water 11 Feb 2025 – Dec 2025 7.87 5 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 12 Jan 2025 – Dec 2025 below 0.03 mg/l 5 Dec 2025
Nitrate as N 0117 River water 12 Jan 2025 – Dec 2025 18 mg/l 5 Dec 2025
Orthophosphate, reactive as P 0180 River water 12 Jan 2025 – Dec 2025 0.048 mg/l 5 Dec 2025
Conductivity at 25 C 0077 River water 11 Feb 2025 – Dec 2025 639 µS/cm 5 Dec 2025
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Oct 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Apr 2025 – Apr 2025 below 0.005 µg/l 11 Apr 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
2H-Perfluoro-2-decenoic acid 2888 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
3-Perfluoroheptylpropanoic acid 2925 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Apr 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
5:1:2 Fluorotelomer betaine 2887 River water 1 Oct 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
5:3 Fluorotelomer betaine 2886 River water 1 Oct 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
6:2 Fluorotelomer phosphate diester 2986 River water 1 Oct 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Apr 2025 – Oct 2025 0.0011 µg/l 3 Oct 2025
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 3 Oct 2025
6:6 Perfluorophosphinic acid 2883 River water 1 Oct 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
6:8 Perfluorophosphinic acid 2882 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 3 Oct 2025
8:2 Fluorotelomer phosphate diester 2880 River water 1 Oct 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
8:8 Perfluorophosphinic acid 2879 River water 1 Oct 2025 – Oct 2025 below 0.01 µg/l 3 Oct 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 12 Jan 2025 – Dec 2025 180 mg/l 5 Dec 2025
Aluminium, Dissolved 6037 River water 3 Apr 2025 – Oct 2025 below 20 µg/l 3 Oct 2025
Aminomethylphosphonic acid 7125 River water 9 Apr 2025 – Dec 2025 0.27 µg/l 5 Dec 2025
Ammonia un-ionised as N 0119 River water 11 Feb 2025 – Dec 2025 below 0.00031 mg/l 5 Dec 2025
Barium, Dissolved 9446 River water 3 Apr 2025 – Oct 2025 33 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 below 0.01 µg/l 3 Oct 2025
Calcium, Dissolved 0239 River water 3 Apr 2025 – Oct 2025 130 mg/l 3 Oct 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 12 Jan 2025 – Dec 2025 5.7 mg/l 5 Dec 2025
Chloride 0172 River water 12 Jan 2025 – Dec 2025 28 mg/l 5 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 0.05 µg/l 3 Oct 2025
Copper, Dissolved 6450 River water 3 Apr 2025 – Oct 2025 0.45 µg/l 3 Oct 2025
eDNA Report 3047 River water 1 Feb 2025 – Feb 2025 1 text result 11 Feb 2025
Environmental DNA Filtration 3064 River water 1 Feb 2025 – Feb 2025 DNA Stored 11 Feb 2025
Flow Type 2896 River water 10 Feb 2025 – Dec 2025 Moderate Flow 5 Dec 2025
Glyphosate 3007 River water 9 Apr 2025 – Dec 2025 below 0.2 µg/l 5 Dec 2025
Hardness, Calcium 0163 River water 3 Apr 2025 – Oct 2025 325 mg/l 3 Oct 2025
Hardness, Total as CaCO3 0158 River water 3 Apr 2025 – Oct 2025 342 mg/l 3 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Hexafluoropropylene oxide trimer acid 2980 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 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 0.02 µg/l 3 Oct 2025
Lead, Dissolved 0052 River water 3 Apr 2025 – Oct 2025 below 0.1 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 4.2 mg/l 3 Oct 2025
Manganese : BLM Bioavailable 4820 River water 3 Apr 2025 – Oct 2025 1.3 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 Feb 2025 – Feb 2025 Present 11 Feb 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
N-methylperfluorooctanesulfonamide 2975 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Nickel : BLM Bioavailable 3878 River water 3 Apr 2025 – Oct 2025 0.09 µg/l 3 Oct 2025
Nickel, Dissolved 3410 River water 3 Apr 2025 – Oct 2025 below 0.5 µg/l 3 Oct 2025
Nitrite as N 0118 River water 12 Jan 2025 – Dec 2025 0.012 mg/l 5 Dec 2025
Nitrogen, Total as N 9686 River water 12 Jan 2025 – Dec 2025 20 mg/l 5 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 12 Jan 2025 – Dec 2025 18 mg/l 5 Dec 2025
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorobutanesulfonic acid 2972 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorobutanoic acid 2995 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorodecanesulfonic acid 2969 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorodecanoic acid 8892 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorododecane sulfonic acid 2968 River water 2 Apr 2025 – Oct 2025 below 0.005 µg/l 3 Oct 2025
Perfluorododecanoic acid 8894 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Perfluoroheptanesulfonic acid 2967 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoroheptanoic acid 8889 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorohexanesulfonamide 2965 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorohexanesulfonic acid (B) 2944 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorohexanesulfonic acid (L) 2964 River water 2 Apr 2025 – Oct 2025 0.00073 µg/l 3 Oct 2025
Perfluorohexanoic acid 8888 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorononanesulfonic acid 2963 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorononanoic acid 8891 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorooctadecanoic acid 2962 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Perfluorooctanesulfonamide 2961 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluorooctanesulfonic acid (total) 2958 River water 1 Oct 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorooctanoic acid 8890 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoropentanesulfonic acid 2957 River water 2 Apr 2025 – Oct 2025 below 0.0005 µg/l 3 Oct 2025
Perfluoropentanoic acid 8887 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Perfluorotetradecanoic acid 8895 River water 2 Apr 2025 – Oct 2025 below 0.006 µg/l 3 Oct 2025
Perfluorotridecanoic acid 2955 River water 2 Apr 2025 – Oct 2025 below 0.002 µg/l 3 Oct 2025
Perfluoroundecane sulfonic acid 2953 River water 2 Apr 2025 – Oct 2025 below 0.004 µg/l 3 Oct 2025
Perfluoroundecanoic acid 8893 River water 2 Apr 2025 – Oct 2025 below 0.001 µg/l 3 Oct 2025
Phosphorus, Total as P 0348 River water 12 Jan 2025 – Dec 2025 0.069 mg/l 5 Dec 2025
Potassium, Dissolved 0209 River water 3 Apr 2025 – Oct 2025 3.2 mg/l 3 Oct 2025
Silica, reactive as SiO2 0182 River water 12 Jan 2025 – Dec 2025 7.2 mg/l 5 Dec 2025
Sodium, Dissolved 0205 River water 3 Apr 2025 – Oct 2025 20 mg/l 3 Oct 2025
Solids, Suspended at 105 C 0135 River water 12 Jan 2025 – Dec 2025 13 mg/l 5 Dec 2025
Strontium, Filtered 6693 River water 3 Apr 2025 – Oct 2025 300 µg/l 3 Oct 2025
Sulphate, Dissolved as SO4 7859 River water 3 Apr 2025 – Oct 2025 55 mg/l 3 Oct 2025
Zinc : BLM Bioavailable 4822 River water 3 Apr 2025 – Oct 2025 0.27 µg/l 3 Oct 2025
Zinc, Dissolved 3408 River water 3 Apr 2025 – Oct 2025 0.51 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.