Round Copse

EA name: ROUND COPSE (also listed as “RSN1133 ROUND COPSE”)
Environment Agency sampling point TH-RSN1133 · 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 Oct 2024, 12:4324 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 8 Oct 2026 and had nothing newer.
Samples banked
10 since 16 Jan 2024 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Monitoring (national agency policy)
Where
National Grid 469104, 155294As published, to the nearest 1 m. Open in a map
River, by its own name
Its name does not give one
River, by the map
River LoddonPlaced by position alone, on a line whose map name differs from its own, 0 m from the line.
Next gauge downstream
Longbridge Mill On the River Loddon · 4.7 km along the river
Nearest gauge upstream
Pyotts Bridge On the River Loddon · 3.1 km along the riverChineham On the Petty's Brook · 4.0 km along the river
Why it was sampled
Monitoring (national agency policy) (10 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

85.5%

Sampled 21 Oct 2024, 24 months ago · 10 results banked

0255075100125%202420252026no sample published after Oct 202416 Jan 2024, 11:54: 92.1%15 Feb 2024, 12:51: 95.2%27 Mar 2024, 09:37: 10.3%26 Apr 2024, 12:44: 106%10 May 2024, 12:42: 104.6%28 Jun 2024, 12:35: 93.9%12 Jul 2024, 14:56: 97.7%23 Aug 2024, 10:19: 91.9%30 Sep 2024, 12:00: 80.7%21 Oct 2024, 12:43: 85.5%
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:4385.5 85.5%
30 Sep 2024, 12:0080.7 80.7%
23 Aug 2024, 10:1991.9 91.9%
12 Jul 2024, 14:5697.7 97.7%
28 Jun 2024, 12:3593.9 93.9%
10 May 2024, 12:42104.6 104.6%
26 Apr 2024, 12:44106 106%
27 Mar 2024, 09:3710.3 10.3%
15 Feb 2024, 12:5195.2 95.2%
16 Jan 2024, 11:5492.1 92.1%

Dissolved oxygen

as O2 · code 9924 · mg/l

8.92 mg/l

Sampled 21 Oct 2024, 24 months ago · 10 results banked

051015mg/l202420252026no sample published after Oct 202416 Jan 2024, 11:54: 11 mg/l15 Feb 2024, 12:51: 9.91 mg/l27 Mar 2024, 09:37: 1.15 mg/l26 Apr 2024, 12:44: 11.2 mg/l10 May 2024, 12:42: 10.4 mg/l28 Jun 2024, 12:35: 9.38 mg/l12 Jul 2024, 14:56: 9.74 mg/l23 Aug 2024, 10:19: 9.04 mg/l30 Sep 2024, 12:00: 8.2 mg/l21 Oct 2024, 12:43: 8.92 mg/l
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:438.92 8.92 mg/l
30 Sep 2024, 12:008.2 8.2 mg/l
23 Aug 2024, 10:199.04 9.04 mg/l
12 Jul 2024, 14:569.74 9.74 mg/l
28 Jun 2024, 12:359.38 9.38 mg/l
10 May 2024, 12:4210.4 10.4 mg/l
26 Apr 2024, 12:4411.2 11.2 mg/l
27 Mar 2024, 09:371.15 1.15 mg/l
15 Feb 2024, 12:519.91 9.91 mg/l
16 Jan 2024, 11:5411 11 mg/l

Water temperature

code 0076 · °C

13.3 °C

Sampled 21 Oct 2024, 24 months ago · 10 results banked

57.51012.51517.5°C202420252026no sample published after Oct 202416 Jan 2024, 11:54: 7.4 °C15 Feb 2024, 12:51: 13.4 °C27 Mar 2024, 09:37: 10.4 °C26 Apr 2024, 12:44: 12.8 °C10 May 2024, 12:42: 15.5 °C28 Jun 2024, 12:35: 15.3 °C12 Jul 2024, 14:56: 15.4 °C23 Aug 2024, 10:19: 16 °C30 Sep 2024, 12:00: 14.5 °C21 Oct 2024, 12:43: 13.3 °C
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:4313.3 13.3 °C
30 Sep 2024, 12:0014.5 14.5 °C
23 Aug 2024, 10:1916 16 °C
12 Jul 2024, 14:5615.4 15.4 °C
28 Jun 2024, 12:3515.3 15.3 °C
10 May 2024, 12:4215.5 15.5 °C
26 Apr 2024, 12:4412.8 12.8 °C
27 Mar 2024, 09:3710.4 10.4 °C
15 Feb 2024, 12:5113.4 13.4 °C
16 Jan 2024, 11:547.4 7.4 °C

pH

code 0061

7.8

Sampled 21 Oct 2024, 24 months ago · 10 results banked

7.67.77.87.98202420252026no sample published after Oct 202416 Jan 2024, 11:54: 7.9215 Feb 2024, 12:51: 7.6527 Mar 2024, 09:37: 7.826 Apr 2024, 12:44: 810 May 2024, 12:42: 7.928 Jun 2024, 12:35: 812 Jul 2024, 14:56: 823 Aug 2024, 10:19: 830 Sep 2024, 12:00: 7.721 Oct 2024, 12:43: 7.8
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:437.8 7.8
30 Sep 2024, 12:007.7 7.7
23 Aug 2024, 10:198 8
12 Jul 2024, 14:568 8
28 Jun 2024, 12:358 8
10 May 2024, 12:427.9 7.9
26 Apr 2024, 12:448 8
27 Mar 2024, 09:377.8 7.8
15 Feb 2024, 12:517.65 7.65
16 Jan 2024, 11:547.92 7.92

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 21 Oct 2024, 24 months ago · 10 results banked

00.050.10.150.20.25mg/l202420252026no sample published after Oct 202416 Jan 2024, 11:54: below 0.03 mg/l (not detected above this)15 Feb 2024, 12:51: 0.036 mg/l27 Mar 2024, 09:37: 0.21 mg/l26 Apr 2024, 12:44: 0.16 mg/l10 May 2024, 12:42: below 0.03 mg/l (not detected above this)28 Jun 2024, 12:35: 0.037 mg/l12 Jul 2024, 14:56: 0.044 mg/l23 Aug 2024, 10:19: 0.031 mg/l30 Sep 2024, 12:00: below 0.03 mg/l (not detected above this)21 Oct 2024, 12:43: below 0.03 mg/l (not detected above this)
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:43<0.03 below 0.03 mg/l (not detected above this)
30 Sep 2024, 12:00<0.03 below 0.03 mg/l (not detected above this)
23 Aug 2024, 10:190.031 0.031 mg/l
12 Jul 2024, 14:560.044 0.044 mg/l
28 Jun 2024, 12:350.037 0.037 mg/l
10 May 2024, 12:42<0.03 below 0.03 mg/l (not detected above this)
26 Apr 2024, 12:440.16 0.16 mg/l
27 Mar 2024, 09:370.21 0.21 mg/l
15 Feb 2024, 12:510.036 0.036 mg/l
16 Jan 2024, 11:54<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

13 mg/l

Sampled 21 Oct 2024, 24 months ago · 10 results banked

7.51012.51517.5mg/l202420252026no sample published after Oct 202416 Jan 2024, 11:54: 12 mg/l15 Feb 2024, 12:51: 13 mg/l27 Mar 2024, 09:37: 12 mg/l26 Apr 2024, 12:44: 12.9 mg/l10 May 2024, 12:42: 12 mg/l28 Jun 2024, 12:35: 14 mg/l12 Jul 2024, 14:56: 17 mg/l23 Aug 2024, 10:19: 15 mg/l30 Sep 2024, 12:00: 8.19 mg/l21 Oct 2024, 12:43: 13 mg/l
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:4313 13 mg/l
30 Sep 2024, 12:008.19 8.19 mg/l
23 Aug 2024, 10:1915 15 mg/l
12 Jul 2024, 14:5617 17 mg/l
28 Jun 2024, 12:3514 14 mg/l
10 May 2024, 12:4212 12 mg/l
26 Apr 2024, 12:4412.9 12.9 mg/l
27 Mar 2024, 09:3712 12 mg/l
15 Feb 2024, 12:5113 13 mg/l
16 Jan 2024, 11:5412 12 mg/l

Phosphate

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

0.069 mg/l

Sampled 21 Oct 2024, 24 months ago · 10 results banked

0.020.040.060.080.1mg/l202420252026no sample published after Oct 202416 Jan 2024, 11:54: 0.039 mg/l15 Feb 2024, 12:51: 0.046 mg/l27 Mar 2024, 09:37: 0.042 mg/l26 Apr 2024, 12:44: 0.062 mg/l10 May 2024, 12:42: 0.055 mg/l28 Jun 2024, 12:35: 0.078 mg/l12 Jul 2024, 14:56: 0.061 mg/l23 Aug 2024, 10:19: 0.074 mg/l30 Sep 2024, 12:00: 0.081 mg/l21 Oct 2024, 12:43: 0.069 mg/l
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:430.069 0.069 mg/l
30 Sep 2024, 12:000.081 0.081 mg/l
23 Aug 2024, 10:190.074 0.074 mg/l
12 Jul 2024, 14:560.061 0.061 mg/l
28 Jun 2024, 12:350.078 0.078 mg/l
10 May 2024, 12:420.055 0.055 mg/l
26 Apr 2024, 12:440.062 0.062 mg/l
27 Mar 2024, 09:370.042 0.042 mg/l
15 Feb 2024, 12:510.046 0.046 mg/l
16 Jan 2024, 11:540.039 0.039 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

723 µS/cm

Sampled 21 Oct 2024, 24 months ago · 10 results banked

500600700800900µS/cm202420252026no sample published after Oct 202416 Jan 2024, 11:54: 730 µS/cm15 Feb 2024, 12:51: 724 µS/cm27 Mar 2024, 09:37: 678 µS/cm26 Apr 2024, 12:44: 757 µS/cm10 May 2024, 12:42: 752 µS/cm28 Jun 2024, 12:35: 808 µS/cm12 Jul 2024, 14:56: 783 µS/cm23 Aug 2024, 10:19: 754 µS/cm30 Sep 2024, 12:00: 598 µS/cm21 Oct 2024, 12:43: 723 µS/cm
Every result (10)
SampledResult as publishedReads as
21 Oct 2024, 12:43723 723 µS/cm
30 Sep 2024, 12:00598 598 µS/cm
23 Aug 2024, 10:19754 754 µS/cm
12 Jul 2024, 14:56783 783 µS/cm
28 Jun 2024, 12:35808 808 µS/cm
10 May 2024, 12:42752 752 µS/cm
26 Apr 2024, 12:44757 757 µS/cm
27 Mar 2024, 09:37678 678 µS/cm
15 Feb 2024, 12:51724 724 µS/cm
16 Jan 2024, 11:54730 730 µS/cm

Everything measured here

121 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 121 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 10 Jan 2024 – Oct 2024 85.5% 21 Oct 2024
Oxygen, Dissolved as O2 9924 River water 10 Jan 2024 – Oct 2024 8.92 mg/l 21 Oct 2024
Temperature of Water 0076 River water 10 Jan 2024 – Oct 2024 13.3 °C 21 Oct 2024
pH 0061 River water 10 Jan 2024 – Oct 2024 7.8 21 Oct 2024
Ammoniacal Nitrogen as N 0111 River water 10 Jan 2024 – Oct 2024 below 0.03 mg/l 21 Oct 2024
Nitrate as N 0117 River water 10 Jan 2024 – Oct 2024 13 mg/l 21 Oct 2024
Orthophosphate, reactive as P 0180 River water 10 Jan 2024 – Oct 2024 0.069 mg/l 21 Oct 2024
Conductivity at 25 C 0077 River water 10 Jan 2024 – Oct 2024 723 µS/cm 21 Oct 2024
17alpha ethynyloestradiol :- {EE2} 9899 River water 8 Feb 2024 – Oct 2024 below 0.03 nanogram per litre 21 Oct 2024
17beta oestradiol :- {E2} 9898 River water 8 Feb 2024 – Oct 2024 below 0.03 nanogram per litre 21 Oct 2024
2,3,6-TBA :- {2,3,6-Trichlorobenzoic acid} 7726 River water 10 Jan 2024 – Oct 2024 below 0.02 µg/l 21 Oct 2024
2,4,5-T :- {2,4,5-Trichlorophenoxyacetic acid} 3546 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
2,4-D :- {2,4-Dichlorophenoxyacetic acid} 3545 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
2,4-DB :- {4-(2,4-dichlorophenoxy)butyric acid} 3791 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
2-Phenoxypropionic acid :- {PPA} 6673 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
4-Chloro-2-methylphenol :- {p-Chloro-o-cresol} 3341 River water 10 Jan 2024 – Oct 2024 below 0.05 µg/l 21 Oct 2024
4-Chlorophenoxyacetic acid 3547 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
4-Nonylphenol Branched 9190 River water 9 Feb 2024 – Oct 2024 below 0.04 µg/l 21 Oct 2024
4-Phenoxybutyric acid :- {PBA} 6672 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
4-tert-Octylphenol :- {p-tert-Octylphenol} 9267 River water 9 Feb 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Aldicarb 9344 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Aldicarb sulfoxide 8806 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Aldoxycarb :- {Aldicarb Sulfone} 8807 River water 9 Feb 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 10 Jan 2024 – Oct 2024 210 mg/l 21 Oct 2024
Aluminium, Dissolved 6037 River water 10 Jan 2024 – Oct 2024 below 20 µg/l 21 Oct 2024
Aminomethylphosphonic acid 7125 River water 7 Apr 2024 – Oct 2024 0.43 µg/l 21 Oct 2024
Ammonia un-ionised as N 0119 River water 10 Jan 2024 – Oct 2024 below 0.00044 mg/l 21 Oct 2024
Asulam 3004 River water 10 Jan 2024 – Oct 2024 below 0.02 µg/l 21 Oct 2024
Azoxystrobin 5050 River water 10 Jan 2024 – Oct 2024 below 0.02 µg/l 21 Oct 2024
Barium, Dissolved 9446 River water 10 Jan 2024 – Oct 2024 17 µg/l 21 Oct 2024
Benazolin 3792 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Bentazone 4065 River water 10 Jan 2024 – Oct 2024 below 0.003 µg/l 21 Oct 2024
Benzo(a)Pyrene 6399 River water 10 Jan 2024 – Oct 2024 0.0013 µg/l 21 Oct 2024
Benzo(b)Fluoranthene 0731 River water 10 Jan 2024 – Oct 2024 0.0013 µg/l 21 Oct 2024
Benzo(g,h,i)Perylene 0714 River water 10 Jan 2024 – Oct 2024 0.0013 µg/l 21 Oct 2024
Benzo(k)Fluoranthene 0733 River water 10 Jan 2024 – Oct 2024 0.00066 µg/l 21 Oct 2024
Boron, Dissolved 9447 River water 10 Jan 2024 – Oct 2024 below 100 µg/l 21 Oct 2024
Bromoxynil 6449 River water 9 Feb 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Cadmium, Dissolved 0106 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Calcium, Dissolved 0239 River water 10 Jan 2024 – Oct 2024 110 mg/l 21 Oct 2024
Carbaryl 9343 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Carbendazim 3475 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Carbetamide 9073 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Carbofuran 3086 River water 9 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 10 Jan 2024 – Oct 2024 4.8 mg/l 21 Oct 2024
Chloridazon 6760 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Chloride 0172 River water 10 Jan 2024 – Oct 2024 48 mg/l 21 Oct 2024
Chlorotoluron 9348 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Chloroxuron 3399 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Chromium, Dissolved 3409 River water 10 Jan 2024 – Oct 2024 below 0.5 µg/l 21 Oct 2024
cis-Permethrin 9341 River water 10 Jan 2024 – Oct 2024 below 0.0001 µg/l 21 Oct 2024
Clopyralid 6620 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Copper : BLM Bioavailable 4821 River water 10 Jan 2024 – Oct 2024 0.21 µg/l 21 Oct 2024
Copper, Dissolved 6450 River water 10 Jan 2024 – Oct 2024 3.7 µg/l 21 Oct 2024
Cypermethrin 0073 River water 9 Jan 2024 – Sep 2024 below 0.00003 µg/l 30 Sep 2024
Cypermethrin Identification 5446 River water 9 Jan 2024 – Sep 2024 1 text result 30 Sep 2024
Di(2-ethylhexyl) phthalate :- {DEHP} 6724 River water 7 Apr 2024 – Oct 2024 below 0.2 µg/l 21 Oct 2024
Dicamba 3550 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Dichlorprop :- {2,4-DP} 3551 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Diflurobenzuron 9345 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Diuron 3811 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Ethiofencarb 6955 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Ethirimol 5047 River water 10 Jan 2024 – Oct 2024 below 0.05 µg/l 21 Oct 2024
Fenoprop 3552 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Fenuron 9339 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Flow Type 2896 River water 4 Jul 2024 – Oct 2024 Moderate Flow 21 Oct 2024
Fluoranthene 0736 River water 10 Jan 2024 – Oct 2024 0.0031 µg/l 21 Oct 2024
Fluroxypyr 4064 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 River water 10 Jan 2024 – Oct 2024 1 text result 21 Oct 2024
Glyphosate 3007 River water 7 Apr 2024 – Oct 2024 0.14 µg/l 21 Oct 2024
Hardness, Calcium 0163 River water 10 Jan 2024 – Oct 2024 275 mg/l 21 Oct 2024
Hardness, Total as CaCO3 0158 River water 10 Jan 2024 – Oct 2024 288 mg/l 21 Oct 2024
Imazapyr 7025 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Indeno(1,2,3-cd)pyrene 0746 River water 10 Jan 2024 – Oct 2024 0.0011 µg/l 21 Oct 2024
Ioxynil 9068 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Iron, Dissolved 6460 River water 10 Jan 2024 – Oct 2024 41 µg/l 21 Oct 2024
Isoproturon 3117 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Lead : BLM Bioavailable 3377 River water 10 Jan 2024 – Oct 2024 0.02 µg/l 21 Oct 2024
Lead, Dissolved 0052 River water 10 Jan 2024 – Oct 2024 0.1 µg/l 21 Oct 2024
Linuron 3118 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Lithium, Dissolved 4201 River water 10 Jan 2024 – Oct 2024 below 100 µg/l 21 Oct 2024
Magnesium, Dissolved 0235 River water 10 Jan 2024 – Oct 2024 3.3 mg/l 21 Oct 2024
Manganese : BLM Bioavailable 4820 River water 10 Jan 2024 – Oct 2024 1.9 µg/l 21 Oct 2024
Manganese, Dissolved 6458 River water 10 Jan 2024 – Oct 2024 below 10 µg/l 21 Oct 2024
MCPA :- {4-Chloro-2-methylphenoxyacetic acid} 3548 River water 9 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
MCPB :- {4-Chloro-2-methylphenoxybutyric acid} 3790 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Mecoprop 3549 River water 10 Jan 2024 – Oct 2024 0.0051 µg/l 21 Oct 2024
Methabenzthiazuron 7053 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Methiocarb 6971 River water 10 Jan 2024 – Oct 2024 below 0.001 µg/l 21 Oct 2024
Methomyl 6972 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Metoxuron 3130 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Metsulfuron-methyl 9861 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Monolinuron 3925 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Monuron 3400 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Neburon 9756 River water 10 Jan 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Nickel : BLM Bioavailable 3878 River water 10 Jan 2024 – Oct 2024 0.64 µg/l 21 Oct 2024
Nickel, Dissolved 3410 River water 10 Jan 2024 – Oct 2024 2 µg/l 21 Oct 2024
Nitrite as N 0118 River water 10 Jan 2024 – Oct 2024 0.011 mg/l 21 Oct 2024
Nitrogen, Total as N 9686 River water 10 Jan 2024 – Oct 2024 15 mg/l 21 Oct 2024
Nitrogen, Total Oxidised as N 0116 River water 10 Jan 2024 – Oct 2024 13 mg/l 21 Oct 2024
Oestrone :- {E1} 9889 River water 8 Feb 2024 – Oct 2024 0.072 nanogram per litre 21 Oct 2024
Oxamyl 6980 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Perfluorooctanoate anion 9274 River water 10 Jan 2024 – Oct 2024 0.0016 µg/l 21 Oct 2024
Perfluorooctylsulphonate anion 9276 River water 10 Jan 2024 – Oct 2024 0.0044 µg/l 21 Oct 2024
Phenoxyacetic acid :- {PAA} 6671 River water 9 Jan 2024 – Oct 2024 0.013 µg/l 21 Oct 2024
Phosphorus, Total as P 0348 River water 10 Jan 2024 – Oct 2024 0.17 mg/l 21 Oct 2024
Picloram 9883 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Potassium, Dissolved 0209 River water 10 Jan 2024 – Oct 2024 5.4 mg/l 21 Oct 2024
Propoxur 6987 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Silica, reactive as SiO2 0182 River water 10 Jan 2024 – Oct 2024 12 mg/l 21 Oct 2024
Sodium, Dissolved 0205 River water 10 Jan 2024 – Oct 2024 32 mg/l 21 Oct 2024
Strontium, Filtered 6693 River water 10 Jan 2024 – Oct 2024 280 µg/l 21 Oct 2024
Sulcotrione 5042 River water 10 Jan 2024 – Oct 2024 below 0.1 µg/l 21 Oct 2024
Sulphate, Dissolved as SO4 7859 River water 10 Jan 2024 – Oct 2024 39 mg/l 21 Oct 2024
trans-Permethrin 9342 River water 9 Jan 2024 – Oct 2024 0.00015 µg/l 21 Oct 2024
Tributyl Tin as Cation 8944 River water 9 Jan 2024 – Oct 2024 below 0.0002 µg/l 21 Oct 2024
Triclopyr 3555 River water 10 Jan 2024 – Oct 2024 below 0.005 µg/l 21 Oct 2024
Triclosan 5889 River water 7 Apr 2024 – Oct 2024 below 0.01 µg/l 21 Oct 2024
Triphenyl Tin as Cation 5732 River water 9 Jan 2024 – Oct 2024 below 0.0002 µg/l 21 Oct 2024
Zinc : BLM Bioavailable 4822 River water 10 Jan 2024 – Oct 2024 2.3 µg/l 21 Oct 2024
Zinc, Dissolved 3408 River water 10 Jan 2024 – Oct 2024 5.9 µg/l 21 Oct 2024

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.