Meece Brook at Yarnfield

EA name: SSN0872 MEECE BROOK AT YARNFIELD
Environment Agency sampling point MD-SSN0872 · 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, 13:3310 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
14 since 7 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 386294, 333145As published, to the nearest 1 m. Open in a map
River, by its own name
Meece Brook
River, by the map
Yarnfield BrookOn a small stream traced into the river its name gives, 6 m from the line.
Next gauge downstream
Shallowford On the Meece Brook · 9.9 km along the river
Why it was sampled
Monitoring (national agency policy) (14 samples)

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

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

91.2%

Sampled 5 Dec 2025, 10 months ago · 9 results banked

708090100%2024202520267 Jan 2025, 11:45: 94.4%17 Feb 2025, 13:03: 94.7%5 Mar 2025, 09:43: 96.7%2 Apr 2025, 11:39: 96.7%1 May 2025, 14:02: 92.4%5 Jun 2025, 10:44: 86.3%7 Oct 2025, 10:21: 70.3%6 Nov 2025, 12:28: 71.4%5 Dec 2025, 13:33: 91.2%
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:3391.2 91.2%
6 Nov 2025, 12:2871.4 71.4%
7 Oct 2025, 10:2170.3 70.3%
5 Jun 2025, 10:4486.3 86.3%
1 May 2025, 14:0292.4 92.4%
2 Apr 2025, 11:3996.7 96.7%
5 Mar 2025, 09:4396.7 96.7%
17 Feb 2025, 13:0394.7 94.7%
7 Jan 2025, 11:4594.4 94.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

11.2 mg/l

Sampled 5 Dec 2025, 10 months ago · 9 results banked

68101214mg/l2024202520267 Jan 2025, 11:45: 12.7 mg/l17 Feb 2025, 13:03: 12.5 mg/l5 Mar 2025, 09:43: 12.6 mg/l2 Apr 2025, 11:39: 11.2 mg/l1 May 2025, 14:02: 9.31 mg/l5 Jun 2025, 10:44: 9.36 mg/l7 Oct 2025, 10:21: 7.49 mg/l6 Nov 2025, 12:28: 7.62 mg/l5 Dec 2025, 13:33: 11.2 mg/l
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:3311.2 11.2 mg/l
6 Nov 2025, 12:287.62 7.62 mg/l
7 Oct 2025, 10:217.49 7.49 mg/l
5 Jun 2025, 10:449.36 9.36 mg/l
1 May 2025, 14:029.31 9.31 mg/l
2 Apr 2025, 11:3911.2 11.2 mg/l
5 Mar 2025, 09:4312.6 12.6 mg/l
17 Feb 2025, 13:0312.5 12.5 mg/l
7 Jan 2025, 11:4512.7 12.7 mg/l

Water temperature

code 0076 · °C

6.3 °C

Sampled 5 Dec 2025, 10 months ago · 9 results banked

051015°C2024202520267 Jan 2025, 11:45: 3.1 °C17 Feb 2025, 13:03: 3.6 °C5 Mar 2025, 09:43: 4.2 °C2 Apr 2025, 11:39: 8.7 °C1 May 2025, 14:02: 14.9 °C5 Jun 2025, 10:44: 11.6 °C7 Oct 2025, 10:21: 12.4 °C6 Nov 2025, 12:28: 12.3 °C5 Dec 2025, 13:33: 6.3 °C
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:336.3 6.3 °C
6 Nov 2025, 12:2812.3 12.3 °C
7 Oct 2025, 10:2112.4 12.4 °C
5 Jun 2025, 10:4411.6 11.6 °C
1 May 2025, 14:0214.9 14.9 °C
2 Apr 2025, 11:398.7 8.7 °C
5 Mar 2025, 09:434.2 4.2 °C
17 Feb 2025, 13:033.6 3.6 °C
7 Jan 2025, 11:453.1 3.1 °C

pH

code 0061

7.49

Sampled 5 Dec 2025, 10 months ago · 9 results banked

7.47.67.888.22024202520267 Jan 2025, 11:45: 7.8517 Feb 2025, 13:03: 8.055 Mar 2025, 09:43: 8.092 Apr 2025, 11:39: 8.021 May 2025, 14:02: 7.895 Jun 2025, 10:44: 7.857 Oct 2025, 10:21: 7.646 Nov 2025, 12:28: 7.435 Dec 2025, 13:33: 7.49
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:337.49 7.49
6 Nov 2025, 12:287.43 7.43
7 Oct 2025, 10:217.64 7.64
5 Jun 2025, 10:447.85 7.85
1 May 2025, 14:027.89 7.89
2 Apr 2025, 11:398.02 8.02
5 Mar 2025, 09:438.09 8.09
17 Feb 2025, 13:038.05 8.05
7 Jan 2025, 11:457.85 7.85

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 · 9 results banked

0.030.040.050.06mg/l2024202520267 Jan 2025, 11:45: 0.057 mg/l17 Feb 2025, 13:03: below 0.03 mg/l (not detected above this)5 Mar 2025, 09:43: below 0.03 mg/l (not detected above this)2 Apr 2025, 11:39: below 0.03 mg/l (not detected above this)1 May 2025, 14:02: below 0.03 mg/l (not detected above this)5 Jun 2025, 10:44: below 0.03 mg/l (not detected above this)7 Oct 2025, 10:21: below 0.03 mg/l (not detected above this)6 Nov 2025, 12:28: below 0.03 mg/l (not detected above this)5 Dec 2025, 13:33: below 0.03 mg/l (not detected above this)
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:33<0.03 below 0.03 mg/l (not detected above this)
6 Nov 2025, 12:28<0.03 below 0.03 mg/l (not detected above this)
7 Oct 2025, 10:21<0.03 below 0.03 mg/l (not detected above this)
5 Jun 2025, 10:44<0.03 below 0.03 mg/l (not detected above this)
1 May 2025, 14:02<0.03 below 0.03 mg/l (not detected above this)
2 Apr 2025, 11:39<0.03 below 0.03 mg/l (not detected above this)
5 Mar 2025, 09:43<0.03 below 0.03 mg/l (not detected above this)
17 Feb 2025, 13:03<0.03 below 0.03 mg/l (not detected above this)
7 Jan 2025, 11:450.057 0.057 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

2.09 mg/l

Sampled 5 Dec 2025, 10 months ago · 9 results banked

00.511.522.5mg/l2024202520267 Jan 2025, 11:45: 1.89 mg/l17 Feb 2025, 13:03: 1.99 mg/l5 Mar 2025, 09:43: 1.99 mg/l2 Apr 2025, 11:39: 1.49 mg/l1 May 2025, 14:02: 0.956 mg/l5 Jun 2025, 10:44: 0.656 mg/l7 Oct 2025, 10:21: below 0.196 mg/l (not detected above this)6 Nov 2025, 12:28: 1.69 mg/l5 Dec 2025, 13:33: 2.09 mg/l
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:332.09 2.09 mg/l
6 Nov 2025, 12:281.69 1.69 mg/l
7 Oct 2025, 10:21<0.196 below 0.196 mg/l (not detected above this)
5 Jun 2025, 10:440.656 0.656 mg/l
1 May 2025, 14:020.956 0.956 mg/l
2 Apr 2025, 11:391.49 1.49 mg/l
5 Mar 2025, 09:431.99 1.99 mg/l
17 Feb 2025, 13:031.99 1.99 mg/l
7 Jan 2025, 11:451.89 1.89 mg/l

Phosphate

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

0.016 mg/l

Sampled 5 Dec 2025, 10 months ago · 9 results banked

00.020.040.060.08mg/l2024202520267 Jan 2025, 11:45: 0.069 mg/l17 Feb 2025, 13:03: 0.021 mg/l5 Mar 2025, 09:43: 0.024 mg/l2 Apr 2025, 11:39: 0.029 mg/l1 May 2025, 14:02: 0.055 mg/l5 Jun 2025, 10:44: 0.073 mg/l7 Oct 2025, 10:21: 0.02 mg/l6 Nov 2025, 12:28: 0.016 mg/l5 Dec 2025, 13:33: 0.016 mg/l
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:330.016 0.016 mg/l
6 Nov 2025, 12:280.016 0.016 mg/l
7 Oct 2025, 10:210.02 0.02 mg/l
5 Jun 2025, 10:440.073 0.073 mg/l
1 May 2025, 14:020.055 0.055 mg/l
2 Apr 2025, 11:390.029 0.029 mg/l
5 Mar 2025, 09:430.024 0.024 mg/l
17 Feb 2025, 13:030.021 0.021 mg/l
7 Jan 2025, 11:450.069 0.069 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

572 µS/cm

Sampled 5 Dec 2025, 10 months ago · 9 results banked

2004006008001000µS/cm2024202520267 Jan 2025, 11:45: 379 µS/cm17 Feb 2025, 13:03: 612 µS/cm5 Mar 2025, 09:43: 667 µS/cm2 Apr 2025, 11:39: 750 µS/cm1 May 2025, 14:02: 809 µS/cm5 Jun 2025, 10:44: 681 µS/cm7 Oct 2025, 10:21: 749 µS/cm6 Nov 2025, 12:28: 810 µS/cm5 Dec 2025, 13:33: 572 µS/cm
Every result (9)
SampledResult as publishedReads as
5 Dec 2025, 13:33572 572 µS/cm
6 Nov 2025, 12:28810 810 µS/cm
7 Oct 2025, 10:21749 749 µS/cm
5 Jun 2025, 10:44681 681 µS/cm
1 May 2025, 14:02809 809 µS/cm
2 Apr 2025, 11:39750 750 µS/cm
5 Mar 2025, 09:43667 667 µS/cm
17 Feb 2025, 13:03612 612 µS/cm
7 Jan 2025, 11:45379 379 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 9 Jan 2025 – Dec 2025 91.2% 5 Dec 2025
Oxygen, Dissolved as O2 9924 River water 9 Jan 2025 – Dec 2025 11.2 mg/l 5 Dec 2025
Temperature of Water 0076 River water 9 Jan 2025 – Dec 2025 6.3 °C 5 Dec 2025
pH 0061 River water 9 Jan 2025 – Dec 2025 7.49 5 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 9 Jan 2025 – Dec 2025 below 0.03 mg/l 5 Dec 2025
Nitrate as N 0117 River water 9 Jan 2025 – Dec 2025 2.09 mg/l 5 Dec 2025
Orthophosphate, reactive as P 0180 River water 9 Jan 2025 – Dec 2025 0.016 mg/l 5 Dec 2025
Conductivity at 25 C 0077 River water 9 Jan 2025 – Dec 2025 572 µS/cm 5 Dec 2025
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 5 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 5 Dec 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 May 2025 – May 2025 below 0.001 µg/l 1 May 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
2H-Perfluoro-2-decenoic acid 2888 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
3-Perfluoroheptylpropanoic acid 2925 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 2 May 2025 – Dec 2025 below 0.004 µg/l 5 Dec 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
5:1:2 Fluorotelomer betaine 2887 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
5:3 Fluorotelomer betaine 2886 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
6:2 Fluorotelomer phosphate diester 2986 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 5 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 5 Dec 2025
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
6:6 Perfluorophosphinic acid 2883 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 5 Dec 2025
6:8 Perfluorophosphinic acid 2882 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 5 Dec 2025
8:2 Fluorotelomer phosphate diester 2880 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 5 Dec 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 9 Jan 2025 – Dec 2025 150 mg/l 5 Dec 2025
Aluminium, Dissolved 6037 River water 2 Apr 2025 – Oct 2025 below 20 µg/l 7 Oct 2025
Aminomethylphosphonic acid 7125 River water 6 Apr 2025 – Dec 2025 below 0.1 µg/l 5 Dec 2025
Ammonia un-ionised as N 0119 River water 9 Jan 2025 – Dec 2025 below 0.00013 mg/l 5 Dec 2025
Barium, Dissolved 9446 River water 2 Apr 2025 – Oct 2025 92 µg/l 7 Oct 2025
Boron, Dissolved 9447 River water 2 Apr 2025 – Oct 2025 below 100 µg/l 7 Oct 2025
Cadmium, Dissolved 0106 River water 2 Apr 2025 – Oct 2025 0.011 µg/l 7 Oct 2025
Calcium, Dissolved 0239 River water 2 Apr 2025 – Oct 2025 100 mg/l 7 Oct 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 8 Jan 2025 – Dec 2025 7.8 mg/l 5 Dec 2025
Chloride 0172 River water 9 Jan 2025 – Dec 2025 17 mg/l 5 Dec 2025
Chromium, Dissolved 3409 River water 2 Apr 2025 – Oct 2025 below 0.5 µg/l 7 Oct 2025
Copper : BLM Bioavailable 4821 River water 1 Apr 2025 – Apr 2025 0.06 µg/l 2 Apr 2025
Copper, Dissolved 6450 River water 2 Apr 2025 – Oct 2025 1.4 µg/l 7 Oct 2025
eDNA Report 3047 River water 1 Jan 2025 – Jan 2025 1 text result 9 Jan 2025
Flow Type 2896 River water 11 Jan 2025 – Dec 2025 Moderate Flow 5 Dec 2025
Glyphosate 3007 River water 6 Apr 2025 – Dec 2025 below 0.1 µg/l 5 Dec 2025
Hardness, Calcium 0163 River water 2 Apr 2025 – Oct 2025 250 mg/l 7 Oct 2025
Hardness, Total as CaCO3 0158 River water 2 Apr 2025 – Oct 2025 394 mg/l 7 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Hexafluoropropylene oxide trimer acid 2980 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Iron, Dissolved 6460 River water 2 Apr 2025 – Oct 2025 53 µg/l 7 Oct 2025
Lead : BLM Bioavailable 3377 River water 1 Apr 2025 – Apr 2025 0.01 µg/l 2 Apr 2025
Lead, Dissolved 0052 River water 2 Apr 2025 – Oct 2025 below 0.1 µg/l 7 Oct 2025
Lithium, Dissolved 4201 River water 2 Apr 2025 – Oct 2025 below 100 µg/l 7 Oct 2025
Magnesium, Dissolved 0235 River water 2 Apr 2025 – Oct 2025 35 mg/l 7 Oct 2025
Manganese : BLM Bioavailable 4820 River water 1 Apr 2025 – Apr 2025 26 µg/l 2 Apr 2025
Manganese, Dissolved 6458 River water 2 Apr 2025 – Oct 2025 58 µg/l 7 Oct 2025
Mitochondrial marker : Fish 12S 2857 River water 1 Jan 2025 – Jan 2025 Not found 9 Jan 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 5 Dec 2025
N-methylperfluorooctanesulfonamide 2975 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 5 Dec 2025
Nickel : BLM Bioavailable 3878 River water 1 Apr 2025 – Apr 2025 0.31 µg/l 2 Apr 2025
Nickel, Dissolved 3410 River water 2 Apr 2025 – Oct 2025 1.2 µg/l 7 Oct 2025
Nitrite as N 0118 River water 9 Jan 2025 – Dec 2025 0.0052 mg/l 5 Dec 2025
Nitrogen, Total as N 9686 River water 9 Jan 2025 – Dec 2025 2.8 mg/l 5 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 9 Jan 2025 – Dec 2025 2.1 mg/l 5 Dec 2025
No flow /No sample 7668 River water 4 Jul 2025 – Sep 2025 No flow/discharge at sampling point 10 Sep 2025
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluorobutanesulfonic acid 2972 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorobutanoic acid 2995 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluorodecanesulfonic acid 2969 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorodecanoic acid 8892 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorododecane sulfonic acid 2968 River water 2 May 2025 – Dec 2025 below 0.005 µg/l 5 Dec 2025
Perfluorododecanoic acid 8894 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 5 Dec 2025
Perfluoroheptanesulfonic acid 2967 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluoroheptanoic acid 8889 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorohexanesulfonamide 2965 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluorohexanesulfonic acid (B) 2944 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluorohexanesulfonic acid (L) 2964 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluorohexanoic acid 8888 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluorononanesulfonic acid 2963 River water 1 May 2025 – May 2025 below 0.0005 µg/l 1 May 2025
Perfluorononanoic acid 8891 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorooctadecanoic acid 2962 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 5 Dec 2025
Perfluorooctanesulfonamide 2961 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 1 May 2025 – May 2025 below 0.0005 µg/l 1 May 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 1 May 2025 – May 2025 below 0.0005 µg/l 1 May 2025
Perfluorooctanesulfonic acid (total) 2958 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorooctanoic acid 8890 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluoropentanesulfonic acid 2957 River water 2 May 2025 – Dec 2025 below 0.0005 µg/l 5 Dec 2025
Perfluoropentanoic acid 8887 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Perfluorotetradecanoic acid 8895 River water 2 May 2025 – Dec 2025 below 0.006 µg/l 5 Dec 2025
Perfluorotridecanoic acid 2955 River water 2 May 2025 – Dec 2025 below 0.002 µg/l 5 Dec 2025
Perfluoroundecane sulfonic acid 2953 River water 2 May 2025 – Dec 2025 below 0.004 µg/l 5 Dec 2025
Perfluoroundecanoic acid 8893 River water 2 May 2025 – Dec 2025 below 0.001 µg/l 5 Dec 2025
Phosphorus, Total as P 0348 River water 9 Jan 2025 – Dec 2025 0.029 mg/l 5 Dec 2025
Potassium, Dissolved 0209 River water 2 Apr 2025 – Oct 2025 0.83 mg/l 7 Oct 2025
Silica, reactive as SiO2 0182 River water 9 Jan 2025 – Dec 2025 14 mg/l 5 Dec 2025
Sodium, Dissolved 0205 River water 2 Apr 2025 – Oct 2025 8.3 mg/l 7 Oct 2025
Solids, Suspended at 105 C 0135 River water 9 Jan 2025 – Dec 2025 3.2 mg/l 5 Dec 2025
Strontium, Filtered 6693 River water 2 Apr 2025 – Oct 2025 560 µg/l 7 Oct 2025
Sulphate, Dissolved as SO4 7859 River water 2 Apr 2025 – Oct 2025 200 mg/l 7 Oct 2025
Zinc : BLM Bioavailable 4822 River water 1 Apr 2025 – Apr 2025 0.11 µg/l 2 Apr 2025
Zinc, Dissolved 3408 River water 2 Apr 2025 – Oct 2025 4.4 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.