River Meavy at Burrator Reservoir Surface

EA name: RIVER MEAVY AT BURRATOR RES SURFACE (also listed as “RIVER MEAVY AT BURRATOR RESERVOIR SURFACE - ADDITIONAL HISTORIC DATA ON URN R11B028”)
Environment Agency sampling point SW-81121470 · 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
10 Aug 2026, 16:1652 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
23 since 13 Oct 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Environmental monitoring statutory (EU directives)
Where
National Grid 255142, 68037As published, to the nearest 1 m. Open in a map
River, by its own name
Meavy
River, by the map
River MeavyPlaced on the river its name gives, 15 m from the line.
Next gauge downstream
CARNWOOD 12 km along the riverCarnwood On the River Plym · 12 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (23 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

112.3%

Sampled 10 Aug 2026, 52 days ago · 5 results banked

100105110115%20242025202627 Apr 2026, 11:59: 102.5%11 May 2026, 12:05: 100.5%23 Jun 2026, 13:37: 106.1%8 Jul 2026, 12:15: 108%10 Aug 2026, 16:16: 112.3%
Every result (5)
SampledResult as publishedReads as
10 Aug 2026, 16:16112.3 112.3%
8 Jul 2026, 12:15108 108%
23 Jun 2026, 13:37106.1 106.1%
11 May 2026, 12:05100.5 100.5%
27 Apr 2026, 11:59102.5 102.5%

pH

code 0061

7.33

Sampled 10 Aug 2026, 52 days ago · 23 results banked

5.566.577.5820242025202613 Oct 2023, 11:42: 6.056 Nov 2023, 12:50: 6.266 Dec 2023, 13:07: 6.292 Jan 2024, 12:39: 6.425 Feb 2024, 11:43: 6.535 Mar 2024, 13:43: 6.2414 Apr 2025, 13:45: 6.613 May 2025, 11:53: 7.143 Jun 2025, 12:37: 7.1529 Jul 2025, 13:39: 7.6227 Aug 2025, 14:20: 7.218 Sep 2025, 12:47: 6.99 Oct 2025, 10:55: 7.0210 Nov 2025, 12:53: 6.4716 Dec 2025, 12:32: 6.2127 Jan 2026, 11:38: 6.4610 Feb 2026, 14:33: 5.6216 Mar 2026, 12:08: 727 Apr 2026, 11:59: 6.8211 May 2026, 12:05: 6.6823 Jun 2026, 13:37: 6.868 Jul 2026, 12:15: 7.0810 Aug 2026, 16:16: 7.33
Every result (23)
SampledResult as publishedReads as
10 Aug 2026, 16:167.33 7.33
8 Jul 2026, 12:157.08 7.08
23 Jun 2026, 13:376.86 6.86
11 May 2026, 12:056.68 6.68
27 Apr 2026, 11:596.82 6.82
16 Mar 2026, 12:087 7
10 Feb 2026, 14:335.62 5.62
27 Jan 2026, 11:386.46 6.46
16 Dec 2025, 12:326.21 6.21
10 Nov 2025, 12:536.47 6.47
9 Oct 2025, 10:557.02 7.02
18 Sep 2025, 12:476.9 6.9
27 Aug 2025, 14:207.2 7.2
29 Jul 2025, 13:397.62 7.62
3 Jun 2025, 12:377.15 7.15
13 May 2025, 11:537.14 7.14
14 Apr 2025, 13:456.6 6.6
5 Mar 2024, 13:436.24 6.24
5 Feb 2024, 11:436.53 6.53
2 Jan 2024, 12:396.42 6.42
6 Dec 2023, 13:076.29 6.29
6 Nov 2023, 12:506.26 6.26
13 Oct 2023, 11:426.05 6.05

Conductivity

at 25 °C · code 0077 · µS/cm

52 µS/cm

Sampled 10 Aug 2026, 52 days ago · 23 results banked

40506070µS/cm20242025202613 Oct 2023, 11:42: 46 µS/cm6 Nov 2023, 12:50: 46 µS/cm6 Dec 2023, 13:07: 47 µS/cm2 Jan 2024, 12:39: 47 µS/cm5 Feb 2024, 11:43: 49 µS/cm5 Mar 2024, 13:43: 41 µS/cm14 Apr 2025, 13:45: 50 µS/cm13 May 2025, 11:53: 49 µS/cm3 Jun 2025, 12:37: 49 µS/cm29 Jul 2025, 13:39: 65 µS/cm27 Aug 2025, 14:20: 51 µS/cm18 Sep 2025, 12:47: 50 µS/cm9 Oct 2025, 10:55: 52 µS/cm10 Nov 2025, 12:53: 48 µS/cm16 Dec 2025, 12:32: 56 µS/cm27 Jan 2026, 11:38: 50 µS/cm10 Feb 2026, 14:33: 43 µS/cm16 Mar 2026, 12:08: 51 µS/cm27 Apr 2026, 11:59: 46 µS/cm11 May 2026, 12:05: 50 µS/cm23 Jun 2026, 13:37: 47 µS/cm8 Jul 2026, 12:15: 48 µS/cm10 Aug 2026, 16:16: 52 µS/cm
Every result (23)
SampledResult as publishedReads as
10 Aug 2026, 16:1652 52 µS/cm
8 Jul 2026, 12:1548 48 µS/cm
23 Jun 2026, 13:3747 47 µS/cm
11 May 2026, 12:0550 50 µS/cm
27 Apr 2026, 11:5946 46 µS/cm
16 Mar 2026, 12:0851 51 µS/cm
10 Feb 2026, 14:3343 43 µS/cm
27 Jan 2026, 11:3850 50 µS/cm
16 Dec 2025, 12:3256 56 µS/cm
10 Nov 2025, 12:5348 48 µS/cm
9 Oct 2025, 10:5552 52 µS/cm
18 Sep 2025, 12:4750 50 µS/cm
27 Aug 2025, 14:2051 51 µS/cm
29 Jul 2025, 13:3965 65 µS/cm
3 Jun 2025, 12:3749 49 µS/cm
13 May 2025, 11:5349 49 µS/cm
14 Apr 2025, 13:4550 50 µS/cm
5 Mar 2024, 13:4341 41 µS/cm
5 Feb 2024, 11:4349 49 µS/cm
2 Jan 2024, 12:3947 47 µS/cm
6 Dec 2023, 13:0747 47 µS/cm
6 Nov 2023, 12:5046 46 µS/cm
13 Oct 2023, 11:4246 46 µS/cm

Everything measured here

267 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 267 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 5 Apr 2026 – Aug 2026 112.3% 10 Aug 2026
pH 0061 River water 23 Oct 2023 – Aug 2026 7.33 10 Aug 2026
Conductivity at 25 C 0077 River water 23 Oct 2023 – Aug 2026 52 µS/cm 10 Aug 2026
1,1,1,2-Tetrachloroethane 6534 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,1,1-Trichloroethane 3268 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,1,2,2-Tetrachloroethane 7531 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,1,2-Trichloroethane 9811 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,1-Dichloroethane 3269 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,1-Dichloroethylene :- {1,1-Dichloroethene} 9836 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,1-Dichloropropylene :- {1,1-Dichloropropene} 9684 River water 11 Apr 2025 – Jul 2026 below 0.1 µg/l 8 Jul 2026
1,2,3-Trichlorobenzene 9050 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
1,2,3-Trichloropropane 6541 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2,3-Trimethylbenzene 9457 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2,4-Trichlorobenzene 9051 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2,4-Trimethylbenzene 9456 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2-Dibromo-3-chloropropane 6537 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2-Dibromoethane 9145 River water 11 Apr 2025 – Jul 2026 below 0.1 µg/l 8 Jul 2026
1,2-Dichlorobenzene 9618 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2-Dichloroethane 3272 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2-Dichloropropane 6540 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,2-Dimethylbenzene :- {o-Xylene} 9845 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,3,5-Trichlorobenzene 9052 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
1,3,5-Trimethylbenzene :- {Mesitylene} 9458 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,3-Dichlorobenzene 9619 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,3-Dichloropropane 6542 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
1,4-Dichlorobenzene 4049 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
2,2,3,4,4,5,6-Heptabromodiphenyl ether :- {PBDE 183} 9005 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,2,3,4,4,5-Hexabromodiphenyl ether :- {PBDE 138} 9007 River water 16 Apr 2025 – Aug 2026 below 0.00009 µg/l 10 Aug 2026
2,2,3,4,4-Pentabromodiphenyl ether :- {PBDE 85} 9009 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,2,4,4,5,5-Hexabromodiphenyl ether :- {PBDE 153} 9011 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,2,4,4,5,6-Hexabromodiphenyl ether :- {PBDE 154} 9013 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,2,4,4,5-Pentabromodiphenyl ether :- {PBDE 99} 9015 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,2,4,4,6-Pentabromodiphenyl ether :- {PBDE 100} 9017 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,2,4,4-Tetrabromodiphenyl ether :- {PBDE 47} 9019 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,2-Dichloropropane 6744 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
2,3,4,4-Tetrabromodiphenyl ether :- {PBDE 66} 9021 River water 16 Apr 2025 – Aug 2026 below 0.00007 µg/l 10 Aug 2026
2,3,6-TBA :- {2,3,6-Trichlorobenzoic acid} 7726 River water 8 Apr 2025 – Apr 2026 below 0.02 µg/l 27 Apr 2026
2,3-Dichlorophenol 9453 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,3-Dimethylphenol :- {2,3-Xylenol} 9451 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,4,4-TriBromoDiphenylEther 4621 River water 16 Apr 2025 – Aug 2026 below 0.00006 µg/l 10 Aug 2026
2,4,5-T :- {2,4,5-Trichlorophenoxyacetic acid} 3546 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
2,4,5-Trichlorophenol 9818 River water 16 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,4,6-Trichlorophenol 9819 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,4-D :- {2,4-Dichlorophenoxyacetic acid} 3545 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
2,4-DB :- {4-(2,4-dichlorophenoxy)butyric acid} 3791 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
2,4-Dichlorophenol 9816 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,4-Dimethylphenol :- {2,4-Xylenol} 3343 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,5-Dichlorophenol 9091 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,5-Dimethylphenol :- {2,5-Xylenol} 9094 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,6-Dichlorophenol 9817 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2,6-Dimethylphenol :- {2,6-Xylenol} 6569 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2-Chlorophenol 9814 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2-Chlorotoluene :- {1-Chloro-2-methylbenzene} 6547 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
2-Ethyl phenol 9454 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2-Methylphenol :- {o-Cresol} 5562 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
2-Phenoxypropionic acid :- {PPA} 6673 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
3,4-Dimethylphenol :- {3,4-Xylenol} 6577 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
3,5-Dimethylphenol :- {3,5-Xylenol} 5558 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
3-Chlorophenol 9703 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
3-Chlorotoluene :- {3-Chloromethylbenzene} 5568 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
3-Methylphenol :- {m-Cresol} 5561 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
4-Chloro-2-methylphenol :- {p-Chloro-o-cresol} 3341 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
4-Chloro-3,5-dimethylphenol :- {PCMX} 6584 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
4-Chloro-3-methylphenol :- {p-Chloro-m-cresol} 3342 River water 16 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
4-Chlorophenol 9815 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
4-Chlorophenoxyacetic acid 3547 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
4-Chlorotoluene :- {1-Chloro-4-methylbenzene} 6578 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
4-Isopropyltoluene :- {4-methyl-Isopropylbenzene} 6579 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
4-Methylphenol :- {p-Cresol} 5560 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
4-Nonylphenol Branched 9190 River water 16 Apr 2025 – Aug 2026 below 0.04 µg/l 10 Aug 2026
4-Phenoxybutyric acid :- {PBA} 6672 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
4-tert-Octylphenol :- {p-tert-Octylphenol} 9267 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Acenaphthene 7395 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Acenaphthylene 8311 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Aclonifen 3478 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Active Aluminium : Dissolved 4905 River water 18 Oct 2023 – Mar 2026 39 µg/l 16 Mar 2026
Alachlor 7086 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Aldicarb 9344 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Aldicarb sulfoxide 8806 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Aldoxycarb :- {Aldicarb Sulfone} 8807 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Aldrin 0483 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Alkalinity to pH 4.5 : Grans Plot 7610 River water 18 Oct 2023 – Mar 2026 2.8 mg/l 16 Mar 2026
Alkalinity, Dissolved as CaCO3 7867 River water 5 Apr 2026 – Aug 2026 below 8 mg/l 10 Aug 2026
Aluminium, Dissolved 6037 River water 17 Apr 2025 – Aug 2026 39 µg/l 10 Aug 2026
Aminomethylphosphonic acid 7125 River water 9 Apr 2025 – Jul 2026 below 0.1 µg/l 8 Jul 2026
Ammoniacal Nitrogen, Filtered as N 9993 River water 23 Oct 2023 – Aug 2026 0.0047 mg/l 10 Aug 2026
Anthracene 6753 River water 14 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Arsenic, Dissolved 6045 River water 9 Apr 2025 – Jul 2026 1.1 µg/l 8 Jul 2026
Asulam 3004 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
Atrazine 3002 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Azoxystrobin 5050 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
Barium, Dissolved 9446 River water 17 Apr 2025 – Aug 2026 below 10 µg/l 10 Aug 2026
Benazolin 3792 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Bentazone 4065 River water 8 Apr 2025 – Apr 2026 below 0.003 µg/l 27 Apr 2026
Benzene 3781 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Benzo(a)Anthracene 0772 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Benzo(a)Pyrene 6399 River water 15 Apr 2025 – Aug 2026 0.0001 µg/l 10 Aug 2026
Benzo(b)Fluoranthene 0731 River water 16 Apr 2025 – Aug 2026 below 0.0003 µg/l 10 Aug 2026
Benzo(e)Pyrene 8940 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Benzo(g,h,i)Perylene 0714 River water 16 Apr 2025 – Aug 2026 0.00011 µg/l 10 Aug 2026
Benzo(k)Fluoranthene 0733 River water 16 Apr 2025 – Aug 2026 0.00006 µg/l 10 Aug 2026
Benzyl butyl phthalate 8162 River water 9 Apr 2025 – Jul 2026 below 1 µg/l 8 Jul 2026
Bifenox 6603 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Boron, Dissolved 9447 River water 17 Apr 2025 – Aug 2026 below 100 µg/l 10 Aug 2026
Bromobenzene 6604 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Bromochloromethane 6605 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Bromodichloromethane 3282 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Bromoform :- {Tribromomethane} 3283 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Bromoxynil 6449 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Cadmium, Dissolved 0106 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Calcium, Dissolved 0239 River water 23 Oct 2023 – Aug 2026 1.3 mg/l 10 Aug 2026
Carbaryl 9343 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Carbendazim 3475 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Carbetamide 9073 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Carbofuran 3086 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Carbon Disulphide 8847 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Carbon tetrachloride :- {Tetrachloromethane} 1049 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 17 Apr 2025 – Aug 2026 2.5 mg/l 10 Aug 2026
Chlorfenvinphos 0503 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Chloridazon 6760 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Chloride 0172 River water 18 Oct 2023 – Mar 2026 8.7 mg/l 16 Mar 2026
Chlorobenzene 3290 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Chlorodibromomethane 3292 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Chloroform :- {Trichloromethane} 3373 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Chloromethane :- {Methyl Chloride} 6376 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Chlorophyll : Acetone Extract 7887 River water 19 Oct 2023 – Aug 2026 19 µg/l 10 Aug 2026
Chlorothalonil 6615 River water 17 Apr 2025 – Aug 2026 below 0.0005 µg/l 10 Aug 2026
Chlorotoluron 9348 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Chloroxuron 3399 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Chlorpyrifos-ethyl 9978 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Chromium Hexavalent, Dissolved :- {Cr VI} 6619 River water 5 Apr 2025 – Jul 2026 below 0.05 µg/l 8 Jul 2026
Chromium, Dissolved 3409 River water 17 Apr 2025 – Aug 2026 below 0.5 µg/l 10 Aug 2026
Chrysene 8310 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
cis-1,2-Dichloroethylene :- {cis-1,2-Dichloroethene} 6538 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
cis-1,3-Dichloropropylene :- {cis-1,3-Dichloropropene} 6543 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
cis-Heptachlor epoxide 8864 River water 17 Apr 2025 – Aug 2026 below 0.00004 µg/l 10 Aug 2026
cis-Permethrin 9341 River water 9 Apr 2025 – Jul 2026 below 0.0001 µg/l 8 Jul 2026
Clopyralid 6620 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Copper : BLM Bioavailable 4821 River water 12 Apr 2025 – Aug 2026 0.04 µg/l 10 Aug 2026
Copper, Dissolved 6450 River water 17 Apr 2025 – Aug 2026 0.41 µg/l 10 Aug 2026
Cyanide : Free as CN 0174 River water 5 Apr 2025 – Jul 2026 below 0.005 mg/l 8 Jul 2026
Cypermethrin 0073 River water 12 Apr 2025 – Aug 2026 below 0.00001 µg/l 10 Aug 2026
Cypermethrin Identification 5446 River water 12 Apr 2025 – Aug 2026 1 text result 10 Aug 2026
DDE -pp 0551 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
DDT -op 0539 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
DDT -pp 0555 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
DDT : Sum of components 0575 River water 17 Apr 2025 – Aug 2026 below 0.0004 µg/l 10 Aug 2026
Di(2-ethylhexyl) phthalate :- {DEHP} 6724 River water 17 Apr 2025 – Aug 2026 below 0.2 µg/l 10 Aug 2026
Diazinon 0723 River water 15 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Dibenzo(a,h)Anthracene 8360 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Dibromomethane 3783 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Dicamba 3550 River water 7 Apr 2025 – Apr 2026 below 0.01 µg/l 27 Apr 2026
Dichlorobenzophenone 3472 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Dichloromethane :- {Methylene Dichloride} 3299 River water 11 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Dichlorprop :- {2,4-DP} 3551 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Dichlorvos 0507 River water 17 Apr 2025 – Aug 2026 below 0.00004 µg/l 10 Aug 2026
Dieldrin 0511 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Diflurobenzuron 9345 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Dimethoate 6447 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Dimethylbenzene : Sum of isomers (1,3- 1,4-) 6716 River water 12 Apr 2025 – Aug 2026 below 0.2 µg/l 10 Aug 2026
Diuron 3811 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Endosulfan : Total (A + B) 1109 River water 17 Apr 2025 – Aug 2026 below 0.0002 µg/l 10 Aug 2026
Endosulfan A 0569 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Endosulfan B 0570 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Endrin 0562 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Ethiofencarb 6955 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Ethirimol 5047 River water 17 Apr 2025 – Aug 2026 below 0.05 µg/l 10 Aug 2026
Ethyl tert-butyl ether :- {ETBE} 9844 River water 11 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Ethylbenzene 4117 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Fenitrothion 9716 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Fenoprop 3552 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Fenuron 9339 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Fluoranthene 0736 River water 16 Apr 2025 – Aug 2026 0.00049 µg/l 10 Aug 2026
Fluorene 7864 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Fluroxypyr 4064 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Glyphosate 3007 River water 9 Apr 2025 – Jul 2026 below 0.1 µg/l 8 Jul 2026
HCH -alpha 0487 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
HCH -beta 0491 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
HCH -delta 0495 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
HCH -gamma :- {Lindane} 0499 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Heptachlor 0527 River water 16 Apr 2025 – Aug 2026 below 0.00004 µg/l 10 Aug 2026
Hexabromocyclododecane Total: (Sum of a, b, g) 9248 River water 17 Apr 2025 – Aug 2026 below 0.0002 µg/l 10 Aug 2026
Hexachlorobenzene 0576 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Hexachlorobutadiene 6648 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Hexachloroethane 5234 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Imazapyr 7025 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Indeno(1,2,3-cd)pyrene 0746 River water 15 Apr 2025 – Aug 2026 0.00014 µg/l 10 Aug 2026
Ioxynil 9068 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Irgarol 1051 8999 River water 16 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Iron, Dissolved 6460 River water 17 Apr 2025 – Aug 2026 170 µg/l 10 Aug 2026
Isodrin 9494 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Isopropylbenzene :- {Methylethylbenzene} 7574 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Isoproturon 3117 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Lead : BLM Bioavailable 3377 River water 12 Apr 2025 – Aug 2026 0.05 µg/l 10 Aug 2026
Lead, Dissolved 0052 River water 17 Apr 2025 – Aug 2026 0.13 µg/l 10 Aug 2026
Linuron 3118 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Lithium, Dissolved 4201 River water 17 Apr 2025 – Aug 2026 below 100 µg/l 10 Aug 2026
Magnesium, Dissolved 0235 River water 23 Oct 2023 – Aug 2026 0.84 mg/l 10 Aug 2026
Malathion 0535 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Manganese : BLM Bioavailable 4820 River water 12 Apr 2025 – Aug 2026 35 µg/l 10 Aug 2026
Manganese, Dissolved 6458 River water 17 Apr 2025 – Aug 2026 35 µg/l 10 Aug 2026
MCPA :- {4-Chloro-2-methylphenoxyacetic acid} 3548 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
MCPB :- {4-Chloro-2-methylphenoxybutyric acid} 3790 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Mecoprop 3549 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Mercury, Dissolved 0103 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Methabenzthiazuron 7053 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Methiocarb 6971 River water 17 Apr 2025 – Aug 2026 below 0.001 µg/l 10 Aug 2026
Methomyl 6972 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Metoxuron 3130 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Metsulfuron-methyl 9861 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Monolinuron 3925 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Monuron 3400 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
MTBE :- {Methyl tert-butyl ether} 6656 River water 11 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
n-ButylBenzene :- {1-Phenylbutane} 6658 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
n-Propylbenzene :- {1-Phenylpropane} 6659 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Naphthalene 9669 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Neburon 9756 River water 17 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Nickel : BLM Bioavailable 3878 River water 12 Apr 2025 – Aug 2026 0.11 µg/l 10 Aug 2026
Nickel, Dissolved 3410 River water 17 Apr 2025 – Aug 2026 below 0.5 µg/l 10 Aug 2026
Nitrite, Filtered as N 6485 River water 5 Apr 2026 – Aug 2026 below 0.001 mg/l 10 Aug 2026
Nitrogen, Total as N 9686 River water 23 Oct 2023 – Aug 2026 0.41 mg/l 10 Aug 2026
Nitrogen, Total Oxidised, Filtered as N 9943 River water 18 Oct 2023 – Mar 2026 0.15 mg/l 16 Mar 2026
Orthophosphate, Filtered as P 9856 River water 23 Oct 2023 – Aug 2026 below 0.001 mg/l 10 Aug 2026
Oxamyl 6980 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Pendimethalin 9892 River water 17 Apr 2025 – Aug 2026 below 0.0005 µg/l 10 Aug 2026
Pentachlorobenzene 5863 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Pentachlorophenol 1085 River water 17 Apr 2025 – Aug 2026 below 0.02 µg/l 10 Aug 2026
Perfluorooctanoate anion 9274 River water 17 Apr 2025 – Aug 2026 below 0.0006 µg/l 10 Aug 2026
Perfluorooctylsulphonate anion 9276 River water 17 Apr 2025 – Aug 2026 0.00011 µg/l 10 Aug 2026
Perylene 9003 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Phenanthrene 9671 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Phenol 9522 River water 17 Apr 2025 – Aug 2026 below 0.05 µg/l 10 Aug 2026
Phenoxyacetic acid :- {PAA} 6671 River water 8 Apr 2025 – Apr 2026 below 0.01 µg/l 27 Apr 2026
Phosphorus, Total as P 0348 River water 23 Oct 2023 – Aug 2026 0.011 mg/l 10 Aug 2026
Picloram 9883 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Potassium, Dissolved 0209 River water 23 Oct 2023 – Aug 2026 0.86 mg/l 10 Aug 2026
Propoxur 6987 River water 17 Apr 2025 – Aug 2026 below 0.005 µg/l 10 Aug 2026
Pyrene 7325 River water 15 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Quinoxyfen 5157 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
sec-Butylbenzene :- {1-Methylpropylbenzene} 6690 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Selenium, Dissolved 6047 River water 9 Apr 2025 – Jul 2026 below 1 µg/l 8 Jul 2026
Simazine 3001 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Sodium, Dissolved 0205 River water 23 Oct 2023 – Aug 2026 6.3 mg/l 10 Aug 2026
Strontium, Filtered 6693 River water 17 Apr 2025 – Aug 2026 below 20 µg/l 10 Aug 2026
Styrene :- {Vinylbenzene} 9888 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Sulcotrione 5042 River water 17 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Sulphate, Dissolved as SO4 7859 River water 23 Oct 2023 – Aug 2026 below 10 mg/l 10 Aug 2026
TDE -pp 0559 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Terbutryn 3009 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
tert-Amyl methyl ether :- {TAME} 9839 River water 11 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
tert-Butylbenzene :- {(1,1-Dimethylethyl)benzene} 6697 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Tetrachloroethylene :- {Perchloroethylene} 3328 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Toluene :- {Methylbenzene} 3784 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
trans-1,2-Dichloroethylene :- {trans-1,2-Dichloroethene} 6539 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
trans-1,3-Dichloropropylene :- {trans-1,3-Dichloropropene} 6544 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
trans-Heptachlor epoxide 8865 River water 17 Apr 2025 – Aug 2026 below 0.00004 µg/l 10 Aug 2026
trans-Permethrin 9342 River water 12 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Tributyl Tin as Cation 8944 River water 16 Apr 2025 – Aug 2026 below 0.00002 µg/l 10 Aug 2026
Trichloroethylene :- {Trichloroethene} 3334 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Trichlorofluoromethane 6711 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Triclopyr 3555 River water 8 Apr 2025 – Apr 2026 below 0.005 µg/l 27 Apr 2026
Triclosan 5889 River water 16 Apr 2025 – Aug 2026 below 0.01 µg/l 10 Aug 2026
Trifluralin 9989 River water 17 Apr 2025 – Aug 2026 below 0.0001 µg/l 10 Aug 2026
Triphenyl Tin as Cation 5732 River water 16 Apr 2025 – Aug 2026 below 0.00002 µg/l 10 Aug 2026
Vinyl chloride :- {Chloroethylene} 6715 River water 12 Apr 2025 – Aug 2026 below 0.1 µg/l 10 Aug 2026
Zinc : BLM Bioavailable 4822 River water 12 Apr 2025 – Aug 2026 1 µg/l 10 Aug 2026
Zinc, Dissolved 3408 River water 17 Apr 2025 – Aug 2026 1.2 µg/l 10 Aug 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.