Upstream of Oakendough Brook

EA name: SSN0929 U/S OAKENDOUGH BK (also listed as “SSN0929 U/S OAKENDOUGH BK, TRIB OF THE MANIFOLD”)
Environment Agency sampling point MD-SSN0929 · 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
8 Dec 2025, 10:1610 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
11 since 31 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 404584, 362925As published, to the nearest 1 m. Open in a map
River, by its own name
Manifold
River, by the map
Oakenclough BrookOn a small stream traced into the river its name gives, 2 m from the line.
Next gauge downstream
Ilam On the River Manifold · 30 km along the river
Why it was sampled
Monitoring (national agency policy) (11 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

100.1%

Sampled 8 Dec 2025, 10 months ago · 10 results banked

95100105110115%20242025202631 Jan 2025, 12:31: 101.3%10 Apr 2025, 09:39: 98.8%2 May 2025, 10:10: 99%18 Jun 2025, 11:06: 111.5%14 Jul 2025, 11:15: 97.9%11 Aug 2025, 11:50: 98.3%18 Sep 2025, 11:38: 99.7%7 Oct 2025, 13:22: 99.1%7 Nov 2025, 10:15: 100.2%8 Dec 2025, 10:16: 100.1%
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:16100.1 100.1%
7 Nov 2025, 10:15100.2 100.2%
7 Oct 2025, 13:2299.1 99.1%
18 Sep 2025, 11:3899.7 99.7%
11 Aug 2025, 11:5098.3 98.3%
14 Jul 2025, 11:1597.9 97.9%
18 Jun 2025, 11:06111.5 111.5%
2 May 2025, 10:1099 99%
10 Apr 2025, 09:3998.8 98.8%
31 Jan 2025, 12:31101.3 101.3%

Dissolved oxygen

as O2 · code 9924 · mg/l

12.1 mg/l

Sampled 8 Dec 2025, 10 months ago · 10 results banked

91011121314mg/l20242025202631 Jan 2025, 12:31: 13.4 mg/l10 Apr 2025, 09:39: 12.8 mg/l2 May 2025, 10:10: 11.1 mg/l18 Jun 2025, 11:06: 11.4 mg/l14 Jul 2025, 11:15: 9.66 mg/l11 Aug 2025, 11:50: 9.89 mg/l18 Sep 2025, 11:38: 10.7 mg/l7 Oct 2025, 13:22: 10.9 mg/l7 Nov 2025, 10:15: 11.3 mg/l8 Dec 2025, 10:16: 12.1 mg/l
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:1612.1 12.1 mg/l
7 Nov 2025, 10:1511.3 11.3 mg/l
7 Oct 2025, 13:2210.9 10.9 mg/l
18 Sep 2025, 11:3810.7 10.7 mg/l
11 Aug 2025, 11:509.89 9.89 mg/l
14 Jul 2025, 11:159.66 9.66 mg/l
18 Jun 2025, 11:0611.4 11.4 mg/l
2 May 2025, 10:1011.1 11.1 mg/l
10 Apr 2025, 09:3912.8 12.8 mg/l
31 Jan 2025, 12:3113.4 13.4 mg/l

Water temperature

code 0076 · °C

7.2 °C

Sampled 8 Dec 2025, 10 months ago · 10 results banked

05101520°C20242025202631 Jan 2025, 12:31: 3.7 °C10 Apr 2025, 09:39: 4.3 °C2 May 2025, 10:10: 10.3 °C18 Jun 2025, 11:06: 14.4 °C14 Jul 2025, 11:15: 15.9 °C11 Aug 2025, 11:50: 15 °C18 Sep 2025, 11:38: 12.1 °C7 Oct 2025, 13:22: 11.1 °C7 Nov 2025, 10:15: 9.8 °C8 Dec 2025, 10:16: 7.2 °C
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:167.2 7.2 °C
7 Nov 2025, 10:159.8 9.8 °C
7 Oct 2025, 13:2211.1 11.1 °C
18 Sep 2025, 11:3812.1 12.1 °C
11 Aug 2025, 11:5015 15 °C
14 Jul 2025, 11:1515.9 15.9 °C
18 Jun 2025, 11:0614.4 14.4 °C
2 May 2025, 10:1010.3 10.3 °C
10 Apr 2025, 09:394.3 4.3 °C
31 Jan 2025, 12:313.7 3.7 °C

pH

code 0061

6.83

Sampled 8 Dec 2025, 10 months ago · 10 results banked

66.577.5820242025202631 Jan 2025, 12:31: 6.4810 Apr 2025, 09:39: 7.832 May 2025, 10:10: 7.9118 Jun 2025, 11:06: 7.8114 Jul 2025, 11:15: 7.8211 Aug 2025, 11:50: 7.8518 Sep 2025, 11:38: 6.977 Oct 2025, 13:22: 7.797 Nov 2025, 10:15: 7.038 Dec 2025, 10:16: 6.83
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:166.83 6.83
7 Nov 2025, 10:157.03 7.03
7 Oct 2025, 13:227.79 7.79
18 Sep 2025, 11:386.97 6.97
11 Aug 2025, 11:507.85 7.85
14 Jul 2025, 11:157.82 7.82
18 Jun 2025, 11:067.81 7.81
2 May 2025, 10:107.91 7.91
10 Apr 2025, 09:397.83 7.83
31 Jan 2025, 12:316.48 6.48

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.0081 mg/l

Sampled 8 Dec 2025, 10 months ago · 10 results banked

0.0020.0040.0060.0080.01mg/l20242025202631 Jan 2025, 12:31: 0.0087 mg/l10 Apr 2025, 09:39: 0.0025 mg/l2 May 2025, 10:10: below 0.002 mg/l (not detected above this)18 Jun 2025, 11:06: below 0.002 mg/l (not detected above this)14 Jul 2025, 11:15: 0.0044 mg/l11 Aug 2025, 11:50: below 0.002 mg/l (not detected above this)18 Sep 2025, 11:38: 0.0088 mg/l7 Oct 2025, 13:22: below 0.002 mg/l (not detected above this)7 Nov 2025, 10:15: 0.0034 mg/l8 Dec 2025, 10:16: 0.0081 mg/l
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:160.0081 0.0081 mg/l
7 Nov 2025, 10:150.0034 0.0034 mg/l
7 Oct 2025, 13:22<0.002 below 0.002 mg/l (not detected above this)
18 Sep 2025, 11:380.0088 0.0088 mg/l
11 Aug 2025, 11:50<0.002 below 0.002 mg/l (not detected above this)
14 Jul 2025, 11:150.0044 0.0044 mg/l
18 Jun 2025, 11:06<0.002 below 0.002 mg/l (not detected above this)
2 May 2025, 10:10<0.002 below 0.002 mg/l (not detected above this)
10 Apr 2025, 09:390.0025 0.0025 mg/l
31 Jan 2025, 12:310.0087 0.0087 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.449 mg/l

Sampled 8 Dec 2025, 10 months ago · 10 results banked

00.20.40.6mg/l20242025202631 Jan 2025, 12:31: 0.409 mg/l10 Apr 2025, 09:39: 0.044 mg/l2 May 2025, 10:10: 0.056 mg/l18 Jun 2025, 11:06: 0.0421 mg/l14 Jul 2025, 11:15: 0.0615 mg/l11 Aug 2025, 11:50: 0.0512 mg/l18 Sep 2025, 11:38: 0.418 mg/l7 Oct 2025, 13:22: 0.189 mg/l7 Nov 2025, 10:15: 0.249 mg/l8 Dec 2025, 10:16: 0.449 mg/l
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:160.449 0.449 mg/l
7 Nov 2025, 10:150.249 0.249 mg/l
7 Oct 2025, 13:220.189 0.189 mg/l
18 Sep 2025, 11:380.418 0.418 mg/l
11 Aug 2025, 11:500.0512 0.0512 mg/l
14 Jul 2025, 11:150.0615 0.0615 mg/l
18 Jun 2025, 11:060.0421 0.0421 mg/l
2 May 2025, 10:100.056 0.056 mg/l
10 Apr 2025, 09:390.044 0.044 mg/l
31 Jan 2025, 12:310.409 0.409 mg/l

Phosphate

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

0.0038 mg/l

Sampled 8 Dec 2025, 10 months ago · 10 results banked

00.0020.0040.0060.008mg/l20242025202631 Jan 2025, 12:31: 0.0022 mg/l10 Apr 2025, 09:39: below 0.001 mg/l (not detected above this)2 May 2025, 10:10: below 0.001 mg/l (not detected above this)18 Jun 2025, 11:06: below 0.001 mg/l (not detected above this)14 Jul 2025, 11:15: below 0.001 mg/l (not detected above this)11 Aug 2025, 11:50: below 0.001 mg/l (not detected above this)18 Sep 2025, 11:38: 0.0069 mg/l7 Oct 2025, 13:22: 0.0038 mg/l7 Nov 2025, 10:15: 0.0047 mg/l8 Dec 2025, 10:16: 0.0038 mg/l
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:160.0038 0.0038 mg/l
7 Nov 2025, 10:150.0047 0.0047 mg/l
7 Oct 2025, 13:220.0038 0.0038 mg/l
18 Sep 2025, 11:380.0069 0.0069 mg/l
11 Aug 2025, 11:50<0.001 below 0.001 mg/l (not detected above this)
14 Jul 2025, 11:15<0.001 below 0.001 mg/l (not detected above this)
18 Jun 2025, 11:06<0.001 below 0.001 mg/l (not detected above this)
2 May 2025, 10:10<0.001 below 0.001 mg/l (not detected above this)
10 Apr 2025, 09:39<0.001 below 0.001 mg/l (not detected above this)
31 Jan 2025, 12:310.0022 0.0022 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

69 µS/cm

Sampled 8 Dec 2025, 10 months ago · 10 results banked

50100150200250300µS/cm20242025202631 Jan 2025, 12:31: 92 µS/cm10 Apr 2025, 09:39: 211 µS/cm2 May 2025, 10:10: 236 µS/cm18 Jun 2025, 11:06: 229 µS/cm14 Jul 2025, 11:15: 261 µS/cm11 Aug 2025, 11:50: 258 µS/cm18 Sep 2025, 11:38: 113 µS/cm7 Oct 2025, 13:22: 121 µS/cm7 Nov 2025, 10:15: 94 µS/cm8 Dec 2025, 10:16: 69 µS/cm
Every result (10)
SampledResult as publishedReads as
8 Dec 2025, 10:1669 69 µS/cm
7 Nov 2025, 10:1594 94 µS/cm
7 Oct 2025, 13:22121 121 µS/cm
18 Sep 2025, 11:38113 113 µS/cm
11 Aug 2025, 11:50258 258 µS/cm
14 Jul 2025, 11:15261 261 µS/cm
18 Jun 2025, 11:06229 229 µS/cm
2 May 2025, 10:10236 236 µS/cm
10 Apr 2025, 09:39211 211 µS/cm
31 Jan 2025, 12:3192 92 µS/cm

Everything measured here

108 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 108 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 10 Jan 2025 – Dec 2025 100.1% 8 Dec 2025
Oxygen, Dissolved as O2 9924 River water 10 Jan 2025 – Dec 2025 12.1 mg/l 8 Dec 2025
Temperature of Water 0076 River water 10 Jan 2025 – Dec 2025 7.2 °C 8 Dec 2025
pH 0061 River water 10 Jan 2025 – Dec 2025 6.83 8 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 10 Jan 2025 – Dec 2025 0.0081 mg/l 8 Dec 2025
Nitrate as N 0117 River water 10 Jan 2025 – Dec 2025 0.449 mg/l 8 Dec 2025
Orthophosphate, reactive as P 0180 River water 10 Jan 2025 – Dec 2025 0.0038 mg/l 8 Dec 2025
Conductivity at 25 C 0077 River water 10 Jan 2025 – Dec 2025 69 µS/cm 8 Dec 2025
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 8 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 8 Dec 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
2H-Perfluoro-2-decenoic acid 2888 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
3-Perfluoroheptylpropanoic acid 2925 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 2 May 2025 – Dec 2025 below 0.004 µg/l 8 Dec 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
5:1:2 Fluorotelomer betaine 2887 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
5:3 Fluorotelomer betaine 2886 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
6:2 Fluorotelomer phosphate diester 2986 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 8 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 8 Dec 2025
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 2 May 2025 – Dec 2025 0.0022 µg/l 8 Dec 2025
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 8 Dec 2025
6:6 Perfluorophosphinic acid 2883 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 8 Dec 2025
6:8 Perfluorophosphinic acid 2882 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 8 Dec 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
8:8 Perfluorophosphinic acid 2879 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 8 Dec 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 10 Jan 2025 – Dec 2025 11 mg/l 8 Dec 2025
Aluminium, Dissolved 6037 River water 3 Apr 2025 – Oct 2025 100 µg/l 7 Oct 2025
Aminomethylphosphonic acid 7125 River water 8 Apr 2025 – Dec 2025 below 0.1 µg/l 8 Dec 2025
Ammonia un-ionised as N 0119 River water 10 Jan 2025 – Dec 2025 below 0.00001 mg/l 8 Dec 2025
Barium, Dissolved 9446 River water 3 Apr 2025 – Oct 2025 55 µg/l 7 Oct 2025
Boron, Dissolved 9447 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 7 Oct 2025
Cadmium, Dissolved 0106 River water 3 Apr 2025 – Oct 2025 0.6 µg/l 7 Oct 2025
Calcium, Dissolved 0239 River water 3 Apr 2025 – Oct 2025 13 mg/l 7 Oct 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 9 Jan 2025 – Dec 2025 7.6 mg/l 8 Dec 2025
Chloride 0172 River water 10 Jan 2025 – Dec 2025 8.4 mg/l 8 Dec 2025
Chromium, Dissolved 3409 River water 3 Apr 2025 – Oct 2025 below 0.5 µg/l 7 Oct 2025
Copper : BLM Bioavailable 4821 River water 2 Apr 2025 – Jul 2025 0.04 µg/l 14 Jul 2025
Copper, Dissolved 6450 River water 3 Apr 2025 – Oct 2025 1.6 µg/l 7 Oct 2025
eDNA Report 3047 River water 1 Jan 2025 – Jan 2025 1 text result 31 Jan 2025
Flow Type 2896 River water 10 Jan 2025 – Dec 2025 High Flow 8 Dec 2025
Glyphosate 3007 River water 8 Apr 2025 – Dec 2025 below 0.1 µg/l 8 Dec 2025
Hardness, Calcium 0163 River water 3 Apr 2025 – Oct 2025 32.5 mg/l 7 Oct 2025
Hardness, Total as CaCO3 0158 River water 3 Apr 2025 – Oct 2025 40.7 mg/l 7 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Hexafluoropropylene oxide trimer acid 2980 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Iron, Dissolved 6460 River water 3 Apr 2025 – Oct 2025 910 µg/l 7 Oct 2025
Lead : BLM Bioavailable 3377 River water 2 Apr 2025 – Jul 2025 0.02 µg/l 14 Jul 2025
Lead, Dissolved 0052 River water 3 Apr 2025 – Oct 2025 0.54 µg/l 7 Oct 2025
Lithium, Dissolved 4201 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 7 Oct 2025
Magnesium, Dissolved 0235 River water 3 Apr 2025 – Oct 2025 2 mg/l 7 Oct 2025
Manganese : BLM Bioavailable 4820 River water 2 Apr 2025 – Jul 2025 170 µg/l 14 Jul 2025
Manganese, Dissolved 6458 River water 3 Apr 2025 – Oct 2025 160 µg/l 7 Oct 2025
Mitochondrial marker : Fish 12S 2857 River water 1 Jan 2025 – Jan 2025 Not found 31 Jan 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 8 Dec 2025
N-methylperfluorooctanesulfonamide 2975 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 8 Dec 2025
Nickel : BLM Bioavailable 3878 River water 2 Apr 2025 – Jul 2025 2.8 µg/l 14 Jul 2025
Nickel, Dissolved 3410 River water 3 Apr 2025 – Oct 2025 7.1 µg/l 7 Oct 2025
Nitrite as N 0118 River water 10 Jan 2025 – Dec 2025 below 0.001 mg/l 8 Dec 2025
Nitrogen, Total as N 9686 River water 10 Jan 2025 – Dec 2025 0.77 mg/l 8 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 10 Jan 2025 – Dec 2025 0.45 mg/l 8 Dec 2025
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorobutanesulfonic acid 2972 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorobutanoic acid 2995 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorodecanesulfonic acid 2969 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorodecanoic acid 8892 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorododecane sulfonic acid 2968 River water 2 May 2025 – Dec 2025 below 0.005 µg/l 8 Dec 2025
Perfluorododecanoic acid 8894 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 8 Dec 2025
Perfluoroheptanesulfonic acid 2967 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluoroheptanoic acid 8889 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorohexanesulfonamide 2965 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorohexanesulfonic acid (B) 2944 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorohexanesulfonic acid (L) 2964 River water 1 May 2025 – May 2025 below 0.0005 µg/l 2 May 2025
Perfluorohexanoic acid 8888 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorononanesulfonic acid 2963 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorononanoic acid 8891 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorooctadecanoic acid 2962 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 8 Dec 2025
Perfluorooctanesulfonamide 2961 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluorooctanesulfonic acid (total) 2958 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorooctanoic acid 8890 River water 2 May 2025 – Dec 2025 0.00052 µg/l 8 Dec 2025
Perfluoropentanesulfonic acid 2957 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 8 Dec 2025
Perfluoropentanoic acid 8887 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Perfluorotetradecanoic acid 8895 River water 2 May 2025 – Dec 2025 below 0.006 µg/l 8 Dec 2025
Perfluorotridecanoic acid 2955 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 8 Dec 2025
Perfluoroundecane sulfonic acid 2953 River water 2 May 2025 – Dec 2025 below 0.004 µg/l 8 Dec 2025
Perfluoroundecanoic acid 8893 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 8 Dec 2025
Phosphorus, Total as P 0348 River water 10 Jan 2025 – Dec 2025 0.014 mg/l 8 Dec 2025
Potassium, Dissolved 0209 River water 3 Apr 2025 – Oct 2025 0.48 mg/l 7 Oct 2025
Silica, reactive as SiO2 0182 River water 10 Jan 2025 – Dec 2025 3.9 mg/l 8 Dec 2025
Sodium, Dissolved 0205 River water 3 Apr 2025 – Oct 2025 7.2 mg/l 7 Oct 2025
Solids, Suspended at 105 C 0135 River water 10 Jan 2025 – Dec 2025 below 3 mg/l 8 Dec 2025
Strontium, Filtered 6693 River water 3 Apr 2025 – Oct 2025 43 µg/l 7 Oct 2025
Sulphate, Dissolved as SO4 7859 River water 3 Apr 2025 – Oct 2025 13 mg/l 7 Oct 2025
Zinc : BLM Bioavailable 4822 River water 2 Apr 2025 – Jul 2025 3.4 µg/l 14 Jul 2025
Zinc, Dissolved 3408 River water 3 Apr 2025 – Oct 2025 21 µg/l 7 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.