River Exe at Tiverton New Bridge

EA name: RIVER EXE AT TIVERTON NEW BRIDGE
Environment Agency sampling point SW-70550172 · 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
23 Mar 2026, 10:377 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 26 Oct 2026 and had nothing newer.
Samples banked
12 since 17 Jul 2025 Imported periods: 1 Oct 2023 – 26 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Planned investigation (local monitoring)
Where
National Grid 295001, 113074As published, to the nearest 1 m. Open in a map
River, by its own name
Exe
River, by the map
River ExePlaced on the river its name gives, 16 m from the line.
Next gauge downstream
Tiverton On the River Exe · 3.3 km along the river
Nearest gauge upstream
Stoodleigh On the River Exe · 5.6 km along the river
Why it was sampled
Planned investigation (local monitoring) (9 samples)
Monitoring (national agency policy) (3 samples)

Main measurements, river water

Water temperature

code 0076 · °C

8.6 °C

Sampled 23 Mar 2026, 7 months ago · 9 results banked

5101520°C20242025202617 Jul 2025, 10:00: 18.7 °C15 Aug 2025, 10:42: 18.9 °C9 Sep 2025, 11:04: 14.4 °C20 Oct 2025, 13:14: 12.6 °C11 Nov 2025, 10:35: 10.9 °C19 Jan 2026, 13:28: 8.1 °C10 Feb 2026, 11:54: 9.2 °C26 Feb 2026, 10:53: 10.1 °C23 Mar 2026, 10:37: 8.6 °C
Every result (9)
SampledResult as publishedReads as
23 Mar 2026, 10:378.6 8.6 °C
26 Feb 2026, 10:5310.1 10.1 °C
10 Feb 2026, 11:549.2 9.2 °C
19 Jan 2026, 13:288.1 8.1 °C
11 Nov 2025, 10:3510.9 10.9 °C
20 Oct 2025, 13:1412.6 12.6 °C
9 Sep 2025, 11:0414.4 14.4 °C
15 Aug 2025, 10:4218.9 18.9 °C
17 Jul 2025, 10:0018.7 18.7 °C

pH

code 0061

7.76

Sampled 23 Mar 2026, 7 months ago · 9 results banked

7.57.67.77.87.920242025202617 Jul 2025, 10:00: 7.715 Aug 2025, 10:42: 7.789 Sep 2025, 11:04: 7.8920 Oct 2025, 13:14: 7.7611 Nov 2025, 10:35: 7.6319 Jan 2026, 13:28: 7.6110 Feb 2026, 11:54: 7.5226 Feb 2026, 10:53: 7.5923 Mar 2026, 10:37: 7.76
Every result (9)
SampledResult as publishedReads as
23 Mar 2026, 10:377.76 7.76
26 Feb 2026, 10:537.59 7.59
10 Feb 2026, 11:547.52 7.52
19 Jan 2026, 13:287.61 7.61
11 Nov 2025, 10:357.63 7.63
20 Oct 2025, 13:147.76 7.76
9 Sep 2025, 11:047.89 7.89
15 Aug 2025, 10:427.78 7.78
17 Jul 2025, 10:007.7 7.7

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 23 Mar 2026, 7 months ago · 9 results banked

-0.500.51mg/l20242025202617 Jul 2025, 10:00: below 0.03 mg/l (not detected above this)15 Aug 2025, 10:42: below 0.03 mg/l (not detected above this)9 Sep 2025, 11:04: below 0.03 mg/l (not detected above this)20 Oct 2025, 13:14: below 0.03 mg/l (not detected above this)11 Nov 2025, 10:35: below 0.03 mg/l (not detected above this)19 Jan 2026, 13:28: below 0.03 mg/l (not detected above this)10 Feb 2026, 11:54: below 0.03 mg/l (not detected above this)26 Feb 2026, 10:53: below 0.03 mg/l (not detected above this)23 Mar 2026, 10:37: below 0.03 mg/l (not detected above this)
Every result (9)
SampledResult as publishedReads as
23 Mar 2026, 10:37<0.03 below 0.03 mg/l (not detected above this)
26 Feb 2026, 10:53<0.03 below 0.03 mg/l (not detected above this)
10 Feb 2026, 11:54<0.03 below 0.03 mg/l (not detected above this)
19 Jan 2026, 13:28<0.03 below 0.03 mg/l (not detected above this)
11 Nov 2025, 10:35<0.03 below 0.03 mg/l (not detected above this)
20 Oct 2025, 13:14<0.03 below 0.03 mg/l (not detected above this)
9 Sep 2025, 11:04<0.03 below 0.03 mg/l (not detected above this)
15 Aug 2025, 10:42<0.03 below 0.03 mg/l (not detected above this)
17 Jul 2025, 10:00<0.03 below 0.03 mg/l (not detected above this)

Conductivity

at 25 °C · code 0077 · µS/cm

122 µS/cm

Sampled 23 Mar 2026, 7 months ago · 9 results banked

110120130140µS/cm20242025202617 Jul 2025, 10:00: 129 µS/cm15 Aug 2025, 10:42: 136 µS/cm9 Sep 2025, 11:04: 134 µS/cm20 Oct 2025, 13:14: 122 µS/cm11 Nov 2025, 10:35: 114 µS/cm19 Jan 2026, 13:28: 131 µS/cm10 Feb 2026, 11:54: 116 µS/cm26 Feb 2026, 10:53: 114 µS/cm23 Mar 2026, 10:37: 122 µS/cm
Every result (9)
SampledResult as publishedReads as
23 Mar 2026, 10:37122 122 µS/cm
26 Feb 2026, 10:53114 114 µS/cm
10 Feb 2026, 11:54116 116 µS/cm
19 Jan 2026, 13:28131 131 µS/cm
11 Nov 2025, 10:35114 114 µS/cm
20 Oct 2025, 13:14122 122 µS/cm
9 Sep 2025, 11:04134 134 µS/cm
15 Aug 2025, 10:42136 136 µS/cm
17 Jul 2025, 10:00129 129 µS/cm

Everything measured here

139 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 139 rows
DeterminandMaterialResults First – lastLatest result
Temperature of Water 0076 River water 9 Jul 2025 – Mar 2026 8.6 °C 23 Mar 2026
pH 0061 River water 9 Jul 2025 – Mar 2026 7.76 23 Mar 2026
Ammoniacal Nitrogen as N 0111 River water 9 Jul 2025 – Mar 2026 below 0.03 mg/l 23 Mar 2026
Conductivity at 25 C 0077 River water 9 Jul 2025 – Mar 2026 122 µS/cm 23 Mar 2026
(Perfluorohexanesulfonyl)[3-(trimethylazaniumyl)propyl]azanide 2890 River water 2 Feb 2026 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
1,2,4-Trichlorobenzene 9051 River water 2 Jul 2025 – Oct 2025 below 0.01 µg/l 20 Oct 2025
1,2-Dichlorobenzene 9618 River water 2 Jul 2025 – Oct 2025 below 0.1 µg/l 20 Oct 2025
1,4-Dichlorobenzene 4049 River water 3 Jul 2025 – Jan 2026 below 1 µg/l 19 Jan 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 2 Feb 2026 – Mar 2026 below 0.002 µg/l 23 Mar 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
2,4,5-Trichlorophenol 9818 River water 3 Jul 2025 – Jan 2026 below 0.02 µg/l 19 Jan 2026
2,4,6-Trichlorophenol 9819 River water 3 Jul 2025 – Jan 2026 below 0.02 µg/l 19 Jan 2026
2,4-Dichlorophenol 9816 River water 3 Jul 2025 – Jan 2026 below 0.02 µg/l 19 Jan 2026
2,4-Dimethylphenol :- {2,4-Xylenol} 3343 River water 3 Jul 2025 – Jan 2026 below 0.02 µg/l 19 Jan 2026
2,4-Dinitrotoluene :- {2,4-DNT} 9929 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
2,6-Dinitrotoluene :- {2,6-DNT} 9953 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
2-Chloronapthalene 5302 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
2-Chlorophenol 9814 River water 3 Jul 2025 – Jan 2026 below 0.02 µg/l 19 Jan 2026
2-Methylnaphthalene 5301 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
2-Methylphenol :- {o-Cresol} 5562 River water 2 Jul 2025 – Oct 2025 below 0.02 µg/l 20 Oct 2025
2-Nitrophenol 8661 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
2H-Perfluoro-2-decenoic acid 2888 River water 2 Feb 2026 – Mar 2026 below 0.001 µg/l 23 Mar 2026
3-Perfluoroheptylpropanoic acid 2925 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 3 Jul 2025 – Mar 2026 below 0.004 µg/l 23 Mar 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
4-Bromophenyl phenyl ether 5297 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
4-Chloro-3-methylphenol :- {p-Chloro-m-cresol} 3342 River water 3 Jul 2025 – Jan 2026 below 0.02 µg/l 19 Jan 2026
4-Chlorophenyl phenyl ether 5296 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
5:1:2 Fluorotelomer betaine 2887 River water 2 Feb 2026 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
5:3 Fluorotelomer betaine 2886 River water 2 Feb 2026 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
6:2 Fluorotelomer phosphate diester 2986 River water 2 Feb 2026 – Mar 2026 below 0.004 µg/l 23 Mar 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 2 Feb 2026 – Mar 2026 below 0.001 µg/l 23 Mar 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 2 Feb 2026 – Mar 2026 below 0.001 µg/l 23 Mar 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 2 Feb 2026 – Mar 2026 below 0.01 µg/l 23 Mar 2026
6:6 Perfluorophosphinic acid 2883 River water 2 Feb 2026 – Mar 2026 below 0.004 µg/l 23 Mar 2026
6:8 Perfluorophosphinic acid 2882 River water 2 Feb 2026 – Mar 2026 below 0.01 µg/l 23 Mar 2026
8:2 Fluorotelomer phosphate diester 2880 River water 2 Feb 2026 – Mar 2026 below 0.004 µg/l 23 Mar 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 26 Feb 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Acenaphthene 7395 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Acenaphthylene 8311 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Anthracene 6753 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Antimony 6058 River water 9 Jul 2025 – Mar 2026 below 1 µg/l 23 Mar 2026
Benzo(a)Anthracene 0772 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Benzo(a)Pyrene 6399 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Benzo(b)Fluoranthene 0731 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Benzo(g,h,i)Perylene 0714 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Benzo(k)Fluoranthene 0733 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Benzyl butyl phthalate 8162 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Bis(2-chloroethoxy)methane 5294 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Bis(2-chloroethyl)ether 5293 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
BOD : 5 Day ATU 0085 River water 9 Jul 2025 – Mar 2026 1 mg/l 23 Mar 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 8 Jul 2025 – Mar 2026 1.2 mg/l 23 Mar 2026
Chemical Oxygen Demand :- {COD} 0092 River water 9 Jul 2025 – Mar 2026 below 10 mg/l 23 Mar 2026
Chromium 3164 River water 9 Jul 2025 – Mar 2026 below 0.5 µg/l 23 Mar 2026
Chromium, Dissolved 3409 River water 9 Jul 2025 – Mar 2026 below 0.5 µg/l 23 Mar 2026
Chrysene 8310 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Copper 6452 River water 9 Jul 2025 – Mar 2026 below 1 µg/l 23 Mar 2026
Copper, Dissolved 6450 River water 9 Jul 2025 – Mar 2026 below 1 µg/l 23 Mar 2026
Detergents, Anionic 0461 River water 9 Jul 2025 – Mar 2026 below 0.05 mg/l 23 Mar 2026
Detergents, Non-ionic 0463 River water 9 Jul 2025 – Mar 2026 below 0.0005 mg/l 23 Mar 2026
Di(2-ethylhexyl) phthalate :- {DEHP} 6724 River water 3 Jul 2025 – Jan 2026 0.28 µg/l 19 Jan 2026
Di-n-octylphthalate 5236 River water 3 Jul 2025 – Jan 2026 below 5 µg/l 19 Jan 2026
Dibenzo(a,h)Anthracene 8360 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Dibenzofuran 5291 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Dibutyl Phthalate 6720 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Diethyl Phthalate 7567 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Dimethyl phthalate 6865 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Fluoranthene 0736 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Fluorene 7864 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 River water 1 Jan 2026 – Jan 2026 1 text result 19 Jan 2026
Hexachlorobenzene 0576 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Hexachlorobutadiene 6648 River water 2 Jul 2025 – Oct 2025 below 0.003 µg/l 20 Oct 2025
Hexachloroethane 5234 River water 2 Jul 2025 – Oct 2025 below 0.1 µg/l 20 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Hydrocarbon Oils 1066 River water 9 Jul 2025 – Mar 2026 below 1 mg/l 23 Mar 2026
Indeno(1,2,3-cd)pyrene 0746 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Iron 6051 River water 9 Jul 2025 – Mar 2026 120 µg/l 23 Mar 2026
Iron, Dissolved 6460 River water 9 Jul 2025 – Mar 2026 55 µg/l 23 Mar 2026
Isophorone 5289 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
LCMS Screen : Semi Quantitative 7299 River water 1 Jan 2026 – Jan 2026 1 text result 19 Jan 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 3 Jul 2025 – Mar 2026 below 0.002 µg/l 23 Mar 2026
N-methylperfluorooctanesulfonamide 2975 River water 3 Jul 2025 – Mar 2026 below 0.002 µg/l 23 Mar 2026
N-nitrosodi-n-propylamine 5288 River water 2 Jul 2025 – Oct 2025 below 1 µg/l 20 Oct 2025
Nickel 6462 River water 9 Jul 2025 – Mar 2026 below 1 µg/l 23 Mar 2026
Nickel, Dissolved 3410 River water 9 Jul 2025 – Mar 2026 below 1 µg/l 23 Mar 2026
Nitrobenzene 6661 River water 3 Jul 2025 – Jan 2026 below 1 µg/l 19 Jan 2026
Nitrogen, Total Oxidised as N 0116 River water 9 Jul 2025 – Mar 2026 1.2 mg/l 23 Mar 2026
Pentachlorophenol 1085 River water 3 Jul 2025 – Jan 2026 below 0.02 µg/l 19 Jan 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorobutanesulfonic acid 2972 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorobutanoic acid 2995 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorodecanesulfonic acid 2969 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorodecanoic acid 8892 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorododecane sulfonic acid 2968 River water 3 Jul 2025 – Mar 2026 below 0.005 µg/l 23 Mar 2026
Perfluorododecanoic acid 8894 River water 3 Jul 2025 – Mar 2026 below 0.002 µg/l 23 Mar 2026
Perfluoroheptanesulfonic acid 2967 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluoroheptanoic acid 8889 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorohexane sulfonamido amine 2874 River water 2 Feb 2026 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorohexanesulfonamide 2965 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorohexanesulfonic acid (B) 2944 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorohexanesulfonic acid (L) 2964 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorohexanoic acid 8888 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorononanesulfonic acid 2963 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorononanoic acid 8891 River water 2 Feb 2026 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorooctadecanoic acid 2962 River water 3 Jul 2025 – Mar 2026 below 0.002 µg/l 23 Mar 2026
Perfluorooctanesulfonamide 2961 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Jul 2025 – Feb 2026 below 0.0005 µg/l 26 Feb 2026
Perfluorooctanesulfonic acid (total) 2958 River water 2 Feb 2026 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorooctanoic acid 8890 River water 2 Feb 2026 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluoropentanesulfonic acid 2957 River water 3 Jul 2025 – Mar 2026 below 0.0005 µg/l 23 Mar 2026
Perfluoropentanoic acid 8887 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Perfluorotetradecanoic acid 8895 River water 3 Jul 2025 – Mar 2026 below 0.006 µg/l 23 Mar 2026
Perfluorotridecanoic acid 2955 River water 3 Jul 2025 – Mar 2026 below 0.002 µg/l 23 Mar 2026
Perfluoroundecane sulfonic acid 2953 River water 3 Jul 2025 – Mar 2026 below 0.004 µg/l 23 Mar 2026
Perfluoroundecanoic acid 8893 River water 3 Jul 2025 – Mar 2026 below 0.001 µg/l 23 Mar 2026
Phenanthrene 9671 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Phenol 9522 River water 3 Jul 2025 – Jan 2026 0.084 µg/l 19 Jan 2026
Phosphorus, Total as P 0348 River water 9 Jul 2025 – Mar 2026 0.019 mg/l 23 Mar 2026
Pyrene 7325 River water 3 Jul 2025 – Jan 2026 below 0.01 µg/l 19 Jan 2026
Solids, Suspended at 105 C 0135 River water 9 Jul 2025 – Mar 2026 below 3 mg/l 23 Mar 2026
Sulphide as S 0167 River water 9 Jul 2025 – Mar 2026 below 0.02 mg/l 23 Mar 2026
Zinc 6455 River water 9 Jul 2025 – Mar 2026 below 5 µg/l 23 Mar 2026
Zinc, Dissolved 3408 River water 9 Jul 2025 – Mar 2026 below 5 µg/l 23 Mar 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.