Oswestry Brook tributary at Golf Club

EA name: SSN0268 OSWESTRY BROOK TRIB @ GOLF CLUB (also listed as “SSN0268 OSWESTRY BROOK TRIB AT GOLF CLUB”)
Environment Agency sampling point MD-SSN0268 · 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
21 Aug 2026, 11:1141 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
20 since 27 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 332926, 326960As published, to the nearest 1 m. Open in a map
River, by its own name
Oswestry Brook
River, by the map
An unnamed streamOn a small stream traced into the river its name gives, 2 m from the line.
Next gauge downstream
Crew Green On the River Severn · 23 km along the river (the path rests on a repair to the map)
Why it was sampled
Monitoring (national agency policy) (20 samples)

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

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

72.5%

Sampled 13 Apr 2026, 6 months ago · 10 results banked

708090100%20242025202627 Jan 2025, 13:16: 88.9%10 Feb 2025, 11:03: 74.5%13 Mar 2025, 11:37: 88.8%8 Apr 2025, 11:05: 97.2%12 Jun 2025, 12:13: 77%17 Dec 2025, 11:00: 79.5%12 Jan 2026, 11:41: 87.2%12 Feb 2026, 10:30: 86.7%27 Mar 2026, 11:12: 82.4%13 Apr 2026, 12:00: 72.5%
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:0072.5 72.5%
27 Mar 2026, 11:1282.4 82.4%
12 Feb 2026, 10:3086.7 86.7%
12 Jan 2026, 11:4187.2 87.2%
17 Dec 2025, 11:0079.5 79.5%
12 Jun 2025, 12:1377 77%
8 Apr 2025, 11:0597.2 97.2%
13 Mar 2025, 11:3788.8 88.8%
10 Feb 2025, 11:0374.5 74.5%
27 Jan 2025, 13:1688.9 88.9%

Dissolved oxygen

as O2 · code 9924 · mg/l

8.3 mg/l

Sampled 13 Apr 2026, 6 months ago · 10 results banked

681012mg/l20242025202627 Jan 2025, 13:16: 11.2 mg/l10 Feb 2025, 11:03: 9.47 mg/l13 Mar 2025, 11:37: 11 mg/l8 Apr 2025, 11:05: 11.7 mg/l12 Jun 2025, 12:13: 7.48 mg/l17 Dec 2025, 11:00: 9.63 mg/l12 Jan 2026, 11:41: 10.7 mg/l12 Feb 2026, 10:30: 10.5 mg/l27 Mar 2026, 11:12: 9.44 mg/l13 Apr 2026, 12:00: 8.3 mg/l
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:008.3 8.3 mg/l
27 Mar 2026, 11:129.44 9.44 mg/l
12 Feb 2026, 10:3010.5 10.5 mg/l
12 Jan 2026, 11:4110.7 10.7 mg/l
17 Dec 2025, 11:009.63 9.63 mg/l
12 Jun 2025, 12:137.48 7.48 mg/l
8 Apr 2025, 11:0511.7 11.7 mg/l
13 Mar 2025, 11:3711 11 mg/l
10 Feb 2025, 11:039.47 9.47 mg/l
27 Jan 2025, 13:1611.2 11.2 mg/l

Water temperature

code 0076 · °C

9.3 °C

Sampled 13 Apr 2026, 6 months ago · 10 results banked

5101520°C20242025202627 Jan 2025, 13:16: 5.4 °C10 Feb 2025, 11:03: 5.1 °C13 Mar 2025, 11:37: 6.3 °C8 Apr 2025, 11:05: 7.2 °C12 Jun 2025, 12:13: 16.6 °C17 Dec 2025, 11:00: 7 °C12 Jan 2026, 11:41: 6.4 °C12 Feb 2026, 10:30: 7 °C27 Mar 2026, 11:12: 9.3 °C13 Apr 2026, 12:00: 9.3 °C
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:009.3 9.3 °C
27 Mar 2026, 11:129.3 9.3 °C
12 Feb 2026, 10:307 7 °C
12 Jan 2026, 11:416.4 6.4 °C
17 Dec 2025, 11:007 7 °C
12 Jun 2025, 12:1316.6 16.6 °C
8 Apr 2025, 11:057.2 7.2 °C
13 Mar 2025, 11:376.3 6.3 °C
10 Feb 2025, 11:035.1 5.1 °C
27 Jan 2025, 13:165.4 5.4 °C

pH

code 0061

7.52

Sampled 13 Apr 2026, 6 months ago · 10 results banked

7.27.47.67.8820242025202627 Jan 2025, 13:16: 7.3810 Feb 2025, 11:03: 7.6313 Mar 2025, 11:37: 7.688 Apr 2025, 11:05: 7.9212 Jun 2025, 12:13: 7.5217 Dec 2025, 11:00: 7.4412 Jan 2026, 11:41: 7.4912 Feb 2026, 10:30: 7.4827 Mar 2026, 11:12: 7.5713 Apr 2026, 12:00: 7.52
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:007.52 7.52
27 Mar 2026, 11:127.57 7.57
12 Feb 2026, 10:307.48 7.48
12 Jan 2026, 11:417.49 7.49
17 Dec 2025, 11:007.44 7.44
12 Jun 2025, 12:137.52 7.52
8 Apr 2025, 11:057.92 7.92
13 Mar 2025, 11:377.68 7.68
10 Feb 2025, 11:037.63 7.63
27 Jan 2025, 13:167.38 7.38

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.036 mg/l

Sampled 13 Apr 2026, 6 months ago · 10 results banked

00.20.40.60.8mg/l20242025202627 Jan 2025, 13:16: 0.15 mg/l10 Feb 2025, 11:03: 0.62 mg/l13 Mar 2025, 11:37: 0.066 mg/l8 Apr 2025, 11:05: below 0.03 mg/l (not detected above this)12 Jun 2025, 12:13: 0.25 mg/l17 Dec 2025, 11:00: 0.055 mg/l12 Jan 2026, 11:41: 0.072 mg/l12 Feb 2026, 10:30: 0.062 mg/l27 Mar 2026, 11:12: below 0.03 mg/l (not detected above this)13 Apr 2026, 12:00: 0.036 mg/l
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:000.036 0.036 mg/l
27 Mar 2026, 11:12<0.03 below 0.03 mg/l (not detected above this)
12 Feb 2026, 10:300.062 0.062 mg/l
12 Jan 2026, 11:410.072 0.072 mg/l
17 Dec 2025, 11:000.055 0.055 mg/l
12 Jun 2025, 12:130.25 0.25 mg/l
8 Apr 2025, 11:05<0.03 below 0.03 mg/l (not detected above this)
13 Mar 2025, 11:370.066 0.066 mg/l
10 Feb 2025, 11:030.62 0.62 mg/l
27 Jan 2025, 13:160.15 0.15 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.79 mg/l

Sampled 13 Apr 2026, 6 months ago · 10 results banked

012345mg/l20242025202627 Jan 2025, 13:16: 1.78 mg/l10 Feb 2025, 11:03: 2.17 mg/l13 Mar 2025, 11:37: 1.79 mg/l8 Apr 2025, 11:05: 0.635 mg/l12 Jun 2025, 12:13: 0.204 mg/l17 Dec 2025, 11:00: 4.08 mg/l12 Jan 2026, 11:41: 4.08 mg/l12 Feb 2026, 10:30: 2.59 mg/l27 Mar 2026, 11:12: 1.79 mg/l13 Apr 2026, 12:00: 1.79 mg/l
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:001.79 1.79 mg/l
27 Mar 2026, 11:121.79 1.79 mg/l
12 Feb 2026, 10:302.59 2.59 mg/l
12 Jan 2026, 11:414.08 4.08 mg/l
17 Dec 2025, 11:004.08 4.08 mg/l
12 Jun 2025, 12:130.204 0.204 mg/l
8 Apr 2025, 11:050.635 0.635 mg/l
13 Mar 2025, 11:371.79 1.79 mg/l
10 Feb 2025, 11:032.17 2.17 mg/l
27 Jan 2025, 13:161.78 1.78 mg/l

Phosphate

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

0.11 mg/l

Sampled 13 Apr 2026, 6 months ago · 10 results banked

0.050.10.150.2mg/l20242025202627 Jan 2025, 13:16: 0.12 mg/l10 Feb 2025, 11:03: 0.15 mg/l13 Mar 2025, 11:37: 0.11 mg/l8 Apr 2025, 11:05: 0.061 mg/l12 Jun 2025, 12:13: 0.19 mg/l17 Dec 2025, 11:00: 0.11 mg/l12 Jan 2026, 11:41: 0.1 mg/l12 Feb 2026, 10:30: 0.095 mg/l27 Mar 2026, 11:12: 0.15 mg/l13 Apr 2026, 12:00: 0.11 mg/l
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:000.11 0.11 mg/l
27 Mar 2026, 11:120.15 0.15 mg/l
12 Feb 2026, 10:300.095 0.095 mg/l
12 Jan 2026, 11:410.1 0.1 mg/l
17 Dec 2025, 11:000.11 0.11 mg/l
12 Jun 2025, 12:130.19 0.19 mg/l
8 Apr 2025, 11:050.061 0.061 mg/l
13 Mar 2025, 11:370.11 0.11 mg/l
10 Feb 2025, 11:030.15 0.15 mg/l
27 Jan 2025, 13:160.12 0.12 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

600 µS/cm

Sampled 13 Apr 2026, 6 months ago · 10 results banked

300400500600700µS/cm20242025202627 Jan 2025, 13:16: 364 µS/cm10 Feb 2025, 11:03: 626 µS/cm13 Mar 2025, 11:37: 596 µS/cm8 Apr 2025, 11:05: 661 µS/cm12 Jun 2025, 12:13: 501 µS/cm17 Dec 2025, 11:00: 411 µS/cm12 Jan 2026, 11:41: 436 µS/cm12 Feb 2026, 10:30: 376 µS/cm27 Mar 2026, 11:12: 502 µS/cm13 Apr 2026, 12:00: 600 µS/cm
Every result (10)
SampledResult as publishedReads as
13 Apr 2026, 12:00600 600 µS/cm
27 Mar 2026, 11:12502 502 µS/cm
12 Feb 2026, 10:30376 376 µS/cm
12 Jan 2026, 11:41436 436 µS/cm
17 Dec 2025, 11:00411 411 µS/cm
12 Jun 2025, 12:13501 501 µS/cm
8 Apr 2025, 11:05661 661 µS/cm
13 Mar 2025, 11:37596 596 µS/cm
10 Feb 2025, 11:03626 626 µS/cm
27 Jan 2025, 13:16364 364 µS/cm

Everything measured here

112 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 112 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 10 Jan 2025 – Apr 2026 72.5% 13 Apr 2026
Oxygen, Dissolved as O2 9924 River water 10 Jan 2025 – Apr 2026 8.3 mg/l 13 Apr 2026
Temperature of Water 0076 River water 10 Jan 2025 – Apr 2026 9.3 °C 13 Apr 2026
pH 0061 River water 10 Jan 2025 – Apr 2026 7.52 13 Apr 2026
Ammoniacal Nitrogen as N 0111 River water 10 Jan 2025 – Apr 2026 0.036 mg/l 13 Apr 2026
Nitrate as N 0117 River water 10 Jan 2025 – Apr 2026 1.79 mg/l 13 Apr 2026
Orthophosphate, reactive as P 0180 River water 10 Jan 2025 – Apr 2026 0.11 mg/l 13 Apr 2026
Conductivity at 25 C 0077 River water 10 Jan 2025 – Apr 2026 600 µS/cm 13 Apr 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 17 Dec 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
2H-Perfluoro-2-decenoic acid 2888 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
3-Perfluoroheptylpropanoic acid 2925 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 17 Dec 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
5:1:2 Fluorotelomer betaine 2887 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
5:3 Fluorotelomer betaine 2886 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
6:2 Fluorotelomer phosphate diester 2986 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 17 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 17 Dec 2025
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Dec 2025 – Dec 2025 0.013 µg/l 17 Dec 2025
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 17 Dec 2025
6:6 Perfluorophosphinic acid 2883 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 17 Dec 2025
6:8 Perfluorophosphinic acid 2882 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 17 Dec 2025
8:2 Fluorotelomer phosphate diester 2880 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 17 Dec 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
8:8 Perfluorophosphinic acid 2879 River water 1 Dec 2025 – Dec 2025 below 0.01 µg/l 17 Dec 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 10 Jan 2025 – Apr 2026 200 mg/l 13 Apr 2026
Aluminium, Dissolved 6037 River water 3 Apr 2025 – Apr 2026 below 20 µg/l 13 Apr 2026
Aminomethylphosphonic acid 7125 River water 6 Apr 2025 – Mar 2026 0.14 µg/l 27 Mar 2026
Ammonia un-ionised as N 0119 River water 10 Jan 2025 – Apr 2026 0.00021 mg/l 13 Apr 2026
Barium, Dissolved 9446 River water 3 Apr 2025 – Apr 2026 46 µg/l 13 Apr 2026
Boron, Dissolved 9447 River water 3 Apr 2025 – Apr 2026 below 100 µg/l 13 Apr 2026
Cadmium, Dissolved 0106 River water 3 Apr 2025 – Apr 2026 0.024 µg/l 13 Apr 2026
Calcium, Dissolved 0239 River water 3 Apr 2025 – Apr 2026 71 mg/l 13 Apr 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 10 Jan 2025 – Apr 2026 9.2 mg/l 13 Apr 2026
Chloride 0172 River water 10 Jan 2025 – Apr 2026 53 mg/l 13 Apr 2026
Chromium, Dissolved 3409 River water 3 Apr 2025 – Apr 2026 below 0.5 µg/l 13 Apr 2026
Copper : BLM Bioavailable 4821 River water 3 Apr 2025 – Apr 2026 0.06 µg/l 13 Apr 2026
Copper, Dissolved 6450 River water 3 Apr 2025 – Apr 2026 2.3 µg/l 13 Apr 2026
eDNA Report 3047 River water 1 Jan 2025 – Jan 2025 1 text result 27 Jan 2025
Flow Type 2896 River water 17 Jan 2025 – Aug 2026 Dry 21 Aug 2026
Glyphosate 3007 River water 6 Apr 2025 – Mar 2026 below 0.1 µg/l 27 Mar 2026
Hardness, Calcium 0163 River water 3 Apr 2025 – Apr 2026 177 mg/l 13 Apr 2026
Hardness, Total as CaCO3 0158 River water 3 Apr 2025 – Apr 2026 231 mg/l 13 Apr 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Hexafluoropropylene oxide trimer acid 2980 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Iron, Dissolved 6460 River water 3 Apr 2025 – Apr 2026 150 µg/l 13 Apr 2026
LCMS Screen : Semi Quantitative 7299 River water 2 Jan 2026 – Apr 2026 1 text result 13 Apr 2026
Lead : BLM Bioavailable 3377 River water 3 Apr 2025 – Apr 2026 0.01 µg/l 13 Apr 2026
Lead, Dissolved 0052 River water 3 Apr 2025 – Apr 2026 below 0.1 µg/l 13 Apr 2026
Lithium, Dissolved 4201 River water 3 Apr 2025 – Apr 2026 below 100 µg/l 13 Apr 2026
Magnesium, Dissolved 0235 River water 3 Apr 2025 – Apr 2026 13 mg/l 13 Apr 2026
Manganese : BLM Bioavailable 4820 River water 3 Apr 2025 – Apr 2026 46 µg/l 13 Apr 2026
Manganese, Dissolved 6458 River water 3 Apr 2025 – Apr 2026 210 µg/l 13 Apr 2026
Mitochondrial marker : Fish 12S 2857 River water 1 Jan 2025 – Jan 2025 Present 27 Jan 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 17 Dec 2025
N-methylperfluorooctanesulfonamide 2975 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 17 Dec 2025
Nickel : BLM Bioavailable 3878 River water 3 Apr 2025 – Apr 2026 0.23 µg/l 13 Apr 2026
Nickel, Dissolved 3410 River water 3 Apr 2025 – Apr 2026 1.2 µg/l 13 Apr 2026
Nitrite as N 0118 River water 10 Jan 2025 – Apr 2026 0.01 mg/l 13 Apr 2026
Nitrogen, Total as N 9686 River water 10 Jan 2025 – Apr 2026 2.9 mg/l 13 Apr 2026
Nitrogen, Total Oxidised as N 0116 River water 10 Jan 2025 – Apr 2026 1.8 mg/l 13 Apr 2026
No flow /No sample 7668 River water 9 Jul 2025 – Aug 2026 No flow/discharge at sampling point 21 Aug 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorobutanesulfonic acid 2972 River water 1 Dec 2025 – Dec 2025 0.0098 µg/l 17 Dec 2025
Perfluorobutanoic acid 2995 River water 1 Dec 2025 – Dec 2025 0.0017 µg/l 17 Dec 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorodecanesulfonic acid 2969 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Perfluorodecanoic acid 8892 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Perfluorododecane sulfonic acid 2968 River water 1 Dec 2025 – Dec 2025 below 0.005 µg/l 17 Dec 2025
Perfluorododecanoic acid 8894 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 17 Dec 2025
Perfluoroheptanesulfonic acid 2967 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluoroheptanoic acid 8889 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Perfluorohexanesulfonamide 2965 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorohexanesulfonic acid (B) 2944 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorohexanesulfonic acid (L) 2964 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorohexanoic acid 8888 River water 1 Dec 2025 – Dec 2025 0.00097 µg/l 17 Dec 2025
Perfluorononanesulfonic acid 2963 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorononanoic acid 8891 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Perfluorooctadecanoic acid 2962 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 17 Dec 2025
Perfluorooctanesulfonamide 2961 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluorooctanesulfonic acid (total) 2958 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Perfluorooctanoic acid 8890 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluoropentanesulfonic acid 2957 River water 1 Dec 2025 – Dec 2025 below 0.0005 µg/l 17 Dec 2025
Perfluoropentanoic acid 8887 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Perfluorotetradecanoic acid 8895 River water 1 Dec 2025 – Dec 2025 below 0.006 µg/l 17 Dec 2025
Perfluorotridecanoic acid 2955 River water 1 Dec 2025 – Dec 2025 below 0.002 µg/l 17 Dec 2025
Perfluoroundecane sulfonic acid 2953 River water 1 Dec 2025 – Dec 2025 below 0.004 µg/l 17 Dec 2025
Perfluoroundecanoic acid 8893 River water 1 Dec 2025 – Dec 2025 below 0.001 µg/l 17 Dec 2025
Phosphorus, Total as P 0348 River water 10 Jan 2025 – Apr 2026 0.17 mg/l 13 Apr 2026
Potassium, Dissolved 0209 River water 3 Apr 2025 – Apr 2026 3.8 mg/l 13 Apr 2026
Silica, reactive as SiO2 0182 River water 10 Jan 2025 – Apr 2026 3.4 mg/l 13 Apr 2026
Sodium, Dissolved 0205 River water 3 Apr 2025 – Apr 2026 32 mg/l 13 Apr 2026
Solids, Suspended at 105 C 0135 River water 10 Jan 2025 – Apr 2026 15 mg/l 13 Apr 2026
Strontium, Filtered 6693 River water 3 Apr 2025 – Apr 2026 150 µg/l 13 Apr 2026
Sulphate, Dissolved as SO4 7859 River water 3 Apr 2025 – Apr 2026 26 mg/l 13 Apr 2026
Trifluoroacetic acid 2872 River water 1 Dec 2025 – Dec 2025 3.1 µg/l 17 Dec 2025
Zinc : BLM Bioavailable 4822 River water 3 Apr 2025 – Apr 2026 0.86 µg/l 13 Apr 2026
Zinc, Dissolved 3408 River water 3 Apr 2025 – Apr 2026 3.1 µg/l 13 Apr 2026

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.