Mill Brook at Oak Lodge

EA name: MILL BROOK AT OAK LODGE (also listed as “RSN0518 MILL BROOK AT OAK LODGE”)
Environment Agency sampling point MD-RSN0518 · 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
11 Aug 2026, 11:2051 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
4 since 17 Feb 2026 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 363926, 273585As published, to the nearest 1 m. Open in a map
River, by its own name
Mill Brook
River, by the map
Mill BrookPlaced on the river its name gives, 0 m from the line.
Next gauge downstream
Newnham Bridge On the River Rea · 9.9 km along the river
Why it was sampled
Monitoring (national agency policy) (4 samples)

1 visit found no water to sample (recorded as “No flow”).

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

83.3%

Sampled 10 Jul 2026, 3 months ago · 3 results banked

8090100110120%20242025202617 Feb 2026, 10:14: 100.6%8 May 2026, 11:42: 114.1%10 Jul 2026, 10:32: 83.3%
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:3283.3 83.3%
8 May 2026, 11:42114.1 114.1%
17 Feb 2026, 10:14100.6 100.6%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.61 mg/l

Sampled 10 Jul 2026, 3 months ago · 3 results banked

68101214mg/l20242025202617 Feb 2026, 10:14: 12.8 mg/l8 May 2026, 11:42: 11.7 mg/l10 Jul 2026, 10:32: 7.61 mg/l
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:327.61 7.61 mg/l
8 May 2026, 11:4211.7 11.7 mg/l
17 Feb 2026, 10:1412.8 12.8 mg/l

Water temperature

code 0076 · °C

19.6 °C

Sampled 10 Jul 2026, 3 months ago · 3 results banked

5101520°C20242025202617 Feb 2026, 10:14: 5.1 °C8 May 2026, 11:42: 14 °C10 Jul 2026, 10:32: 19.6 °C
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:3219.6 19.6 °C
8 May 2026, 11:4214 14 °C
17 Feb 2026, 10:145.1 5.1 °C

pH

code 0061

7.91

Sampled 10 Jul 2026, 3 months ago · 3 results banked

7.888.28.48.620242025202617 Feb 2026, 10:14: 8.198 May 2026, 11:42: 8.4210 Jul 2026, 10:32: 7.91
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:327.91 7.91
8 May 2026, 11:428.42 8.42
17 Feb 2026, 10:148.19 8.19

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 10 Jul 2026, 3 months ago · 3 results banked

-0.500.51mg/l20242025202617 Feb 2026, 10:14: below 0.03 mg/l (not detected above this)8 May 2026, 11:42: below 0.03 mg/l (not detected above this)10 Jul 2026, 10:32: below 0.03 mg/l (not detected above this)
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:32<0.03 below 0.03 mg/l (not detected above this)
8 May 2026, 11:42<0.03 below 0.03 mg/l (not detected above this)
17 Feb 2026, 10:14<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

below 0.196 mg/l (not detected above this)

Sampled 10 Jul 2026, 3 months ago · 3 results banked

0123mg/l20242025202617 Feb 2026, 10:14: 2.2 mg/l8 May 2026, 11:42: 0.76 mg/l10 Jul 2026, 10:32: below 0.196 mg/l (not detected above this)
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:32<0.196 below 0.196 mg/l (not detected above this)
8 May 2026, 11:420.76 0.76 mg/l
17 Feb 2026, 10:142.2 2.2 mg/l

Phosphate

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

0.031 mg/l

Sampled 10 Jul 2026, 3 months ago · 3 results banked

0.010.020.030.04mg/l20242025202617 Feb 2026, 10:14: 0.039 mg/l8 May 2026, 11:42: 0.01 mg/l10 Jul 2026, 10:32: 0.031 mg/l
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:320.031 0.031 mg/l
8 May 2026, 11:420.01 0.01 mg/l
17 Feb 2026, 10:140.039 0.039 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

497 µS/cm

Sampled 10 Jul 2026, 3 months ago · 3 results banked

300350400450500µS/cm20242025202617 Feb 2026, 10:14: 300 µS/cm8 May 2026, 11:42: 462 µS/cm10 Jul 2026, 10:32: 497 µS/cm
Every result (3)
SampledResult as publishedReads as
10 Jul 2026, 10:32497 497 µS/cm
8 May 2026, 11:42462 462 µS/cm
17 Feb 2026, 10:14300 300 µS/cm

Everything measured here

153 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 153 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 3 Feb 2026 – Jul 2026 83.3% 10 Jul 2026
Oxygen, Dissolved as O2 9924 River water 3 Feb 2026 – Jul 2026 7.61 mg/l 10 Jul 2026
Temperature of Water 0076 River water 3 Feb 2026 – Jul 2026 19.6 °C 10 Jul 2026
pH 0061 River water 3 Feb 2026 – Jul 2026 7.91 10 Jul 2026
Ammoniacal Nitrogen as N 0111 River water 3 Feb 2026 – Jul 2026 below 0.03 mg/l 10 Jul 2026
Nitrate as N 0117 River water 3 Feb 2026 – Jul 2026 below 0.196 mg/l 10 Jul 2026
Orthophosphate, reactive as P 0180 River water 3 Feb 2026 – Jul 2026 0.031 mg/l 10 Jul 2026
Conductivity at 25 C 0077 River water 3 Feb 2026 – Jul 2026 497 µS/cm 10 Jul 2026
(Perfluorohexanesulfonyl)[3-(trimethylazaniumyl)propyl]azanide 2890 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 2 May 2026 – Jul 2026 below 0.002 µg/l 10 Jul 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
2H-Perfluoro-2-decenoic acid 2888 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
3-Perfluoroheptylpropanoic acid 2925 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 2 May 2026 – Jul 2026 below 0.004 µg/l 10 Jul 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
5:1:2 Fluorotelomer betaine 2887 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
5:3 Fluorotelomer betaine 2886 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
6:2 Fluorotelomer phosphate diester 2986 River water 2 May 2026 – Jul 2026 below 0.004 µg/l 10 Jul 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 2 May 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
6:6 Perfluorophosphinic acid 2883 River water 2 May 2026 – Jul 2026 below 0.004 µg/l 10 Jul 2026
6:8 Perfluorophosphinic acid 2882 River water 2 May 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
8:2 Fluorotelomer phosphate diester 2880 River water 2 May 2026 – Jul 2026 below 0.004 µg/l 10 Jul 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
8:8 Perfluorophosphinic acid 2879 River water 2 May 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Aldicarb 9344 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Aldicarb sulfoxide 8806 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Aldoxycarb :- {Aldicarb Sulfone} 8807 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 3 Feb 2026 – Jul 2026 230 mg/l 10 Jul 2026
Aluminium, Dissolved 6037 River water 3 Feb 2026 – Jul 2026 below 20 µg/l 10 Jul 2026
Aminomethylphosphonic acid 7125 River water 3 Feb 2026 – Jul 2026 below 0.1 µg/l 10 Jul 2026
Ammonia un-ionised as N 0119 River water 3 Feb 2026 – Jul 2026 below 0.0009 mg/l 10 Jul 2026
Asulam 3004 River water 3 Feb 2026 – Jul 2026 below 0.02 µg/l 10 Jul 2026
Azoxystrobin 5050 River water 3 Feb 2026 – Jul 2026 below 0.02 µg/l 10 Jul 2026
Barium, Dissolved 9446 River water 3 Feb 2026 – Jul 2026 230 µg/l 10 Jul 2026
Benzo(a)Pyrene 6399 River water 2 Feb 2026 – May 2026 0.00073 µg/l 8 May 2026
Benzo(b)Fluoranthene 0731 River water 3 Feb 2026 – Jul 2026 0.0002 µg/l 10 Jul 2026
Benzo(g,h,i)Perylene 0714 River water 3 Feb 2026 – Jul 2026 0.00018 µg/l 10 Jul 2026
Benzo(k)Fluoranthene 0733 River water 3 Feb 2026 – Jul 2026 0.00008 µg/l 10 Jul 2026
Boron, Dissolved 9447 River water 3 Feb 2026 – Jul 2026 below 100 µg/l 10 Jul 2026
Cadmium, Dissolved 0106 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Calcium, Dissolved 0239 River water 3 Feb 2026 – Jul 2026 73 mg/l 10 Jul 2026
Carbaryl 9343 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Carbendazim 3475 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Carbetamide 9073 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Carbofuran 3086 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 3 Feb 2026 – Jul 2026 3.5 mg/l 10 Jul 2026
Chloridazon 6760 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Chloride 0172 River water 3 Feb 2026 – Jul 2026 19 mg/l 10 Jul 2026
Chlorotoluron 9348 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Chloroxuron 3399 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Chromium, Dissolved 3409 River water 3 Feb 2026 – Jul 2026 below 0.5 µg/l 10 Jul 2026
cis-Permethrin 9341 River water 3 Feb 2026 – Jul 2026 below 0.0001 µg/l 10 Jul 2026
Copper : BLM Bioavailable 4821 River water 3 Feb 2026 – Jul 2026 0.03 µg/l 10 Jul 2026
Copper, Dissolved 6450 River water 3 Feb 2026 – Jul 2026 0.33 µg/l 10 Jul 2026
Cypermethrin 0073 River water 3 Feb 2026 – Jul 2026 below 0.00002 µg/l 10 Jul 2026
Cypermethrin Identification 5446 River water 3 Feb 2026 – Jul 2026 1 text result 10 Jul 2026
Di(2-ethylhexyl) phthalate :- {DEHP} 6724 River water 1 Feb 2026 – Feb 2026 below 0.2 µg/l 17 Feb 2026
Diflurobenzuron 9345 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Diuron 3811 River water 2 Feb 2026 – May 2026 below 0.01 µg/l 8 May 2026
Ethiofencarb 6955 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Ethirimol 5047 River water 3 Feb 2026 – Jul 2026 below 0.05 µg/l 10 Jul 2026
Fenuron 9339 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Flow Type 2896 River water 3 Feb 2026 – Aug 2026 Isolated Pools 11 Aug 2026
Fluoranthene 0736 River water 2 May 2026 – Jul 2026 0.0022 µg/l 10 Jul 2026
Glyphosate 3007 River water 3 Feb 2026 – Jul 2026 below 0.1 µg/l 10 Jul 2026
Hardness, Calcium 0163 River water 3 Feb 2026 – Jul 2026 182 mg/l 10 Jul 2026
Hardness, Total as CaCO3 0158 River water 3 Feb 2026 – Jul 2026 232 mg/l 10 Jul 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Hexafluoropropylene oxide trimer acid 2980 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Indeno(1,2,3-cd)pyrene 0746 River water 2 May 2026 – Jul 2026 0.00018 µg/l 10 Jul 2026
Iron, Dissolved 6460 River water 3 Feb 2026 – Jul 2026 89 µg/l 10 Jul 2026
Isoproturon 3117 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 17 Feb 2026
Lead : BLM Bioavailable 3377 River water 3 Feb 2026 – Jul 2026 0.01 µg/l 10 Jul 2026
Lead, Dissolved 0052 River water 3 Feb 2026 – Jul 2026 below 0.1 µg/l 10 Jul 2026
Linuron 3118 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Lithium, Dissolved 4201 River water 3 Feb 2026 – Jul 2026 below 100 µg/l 10 Jul 2026
Magnesium, Dissolved 0235 River water 3 Feb 2026 – Jul 2026 12 mg/l 10 Jul 2026
Manganese : BLM Bioavailable 4820 River water 3 Feb 2026 – Jul 2026 120 µg/l 10 Jul 2026
Manganese, Dissolved 6458 River water 3 Feb 2026 – Jul 2026 260 µg/l 10 Jul 2026
Methabenzthiazuron 7053 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Methiocarb 6971 River water 3 Feb 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Methomyl 6972 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Metoxuron 3130 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Metsulfuron-methyl 9861 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Monolinuron 3925 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Monuron 3400 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 2 May 2026 – Jul 2026 below 0.002 µg/l 10 Jul 2026
N-methylperfluorooctanesulfonamide 2975 River water 2 May 2026 – Jul 2026 below 0.002 µg/l 10 Jul 2026
Neburon 9756 River water 3 Feb 2026 – Jul 2026 below 0.01 µg/l 10 Jul 2026
Nickel : BLM Bioavailable 3878 River water 3 Feb 2026 – Jul 2026 0.09 µg/l 10 Jul 2026
Nickel, Dissolved 3410 River water 3 Feb 2026 – Jul 2026 below 0.5 µg/l 10 Jul 2026
Nitrite as N 0118 River water 3 Feb 2026 – Jul 2026 below 0.004 mg/l 10 Jul 2026
Nitrogen, Total as N 9686 River water 3 Feb 2026 – Jul 2026 0.44 mg/l 10 Jul 2026
Nitrogen, Total Oxidised as N 0116 River water 3 Feb 2026 – Jul 2026 below 0.2 mg/l 10 Jul 2026
No flow /No sample 7668 River water 1 Aug 2026 – Aug 2026 No flow/discharge at sampling point 11 Aug 2026
Oxamyl 6980 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorobutanesulfonic acid 2972 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorobutanoic acid 2995 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorodecanesulfonic acid 2969 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorodecanoic acid 8892 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorododecane sulfonic acid 2968 River water 2 May 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Perfluorododecanoic acid 8894 River water 2 May 2026 – Jul 2026 below 0.002 µg/l 10 Jul 2026
Perfluoroheptanesulfonic acid 2967 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluoroheptanoic acid 8889 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorohexane sulfonamido amine 2874 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorohexanesulfonamide 2965 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorohexanesulfonic acid (B) 2944 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorohexanesulfonic acid (L) 2964 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorohexanoic acid 8888 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorononanesulfonic acid 2963 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorononanoic acid 8891 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorooctadecanoic acid 2962 River water 2 May 2026 – Jul 2026 below 0.002 µg/l 10 Jul 2026
Perfluorooctanesulfonamide 2961 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorooctanesulfonic acid (total) 2958 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorooctanoate anion 9274 River water 3 Feb 2026 – Jul 2026 below 0.0006 µg/l 10 Jul 2026
Perfluorooctanoic acid 8890 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluorooctylsulphonate anion 9276 River water 3 Feb 2026 – Jul 2026 0.0003 µg/l 10 Jul 2026
Perfluoropentanesulfonic acid 2957 River water 2 May 2026 – Jul 2026 below 0.0005 µg/l 10 Jul 2026
Perfluoropentanoic acid 8887 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Perfluorotetradecanoic acid 8895 River water 2 May 2026 – Jul 2026 below 0.006 µg/l 10 Jul 2026
Perfluorotridecanoic acid 2955 River water 2 May 2026 – Jul 2026 below 0.002 µg/l 10 Jul 2026
Perfluoroundecane sulfonic acid 2953 River water 2 May 2026 – Jul 2026 below 0.004 µg/l 10 Jul 2026
Perfluoroundecanoic acid 8893 River water 2 May 2026 – Jul 2026 below 0.001 µg/l 10 Jul 2026
Phosphorus, Total as P 0348 River water 3 Feb 2026 – Jul 2026 0.05 mg/l 10 Jul 2026
Potassium, Dissolved 0209 River water 3 Feb 2026 – Jul 2026 2.3 mg/l 10 Jul 2026
Propoxur 6987 River water 3 Feb 2026 – Jul 2026 below 0.005 µg/l 10 Jul 2026
Silica, reactive as SiO2 0182 River water 3 Feb 2026 – Jul 2026 9.3 mg/l 10 Jul 2026
Sodium, Dissolved 0205 River water 3 Feb 2026 – Jul 2026 17 mg/l 10 Jul 2026
Solids, Suspended at 105 C 0135 River water 3 Feb 2026 – Jul 2026 13 mg/l 10 Jul 2026
Strontium, Filtered 6693 River water 3 Feb 2026 – Jul 2026 400 µg/l 10 Jul 2026
Sulcotrione 5042 River water 3 Feb 2026 – Jul 2026 below 0.1 µg/l 10 Jul 2026
Sulphate, Dissolved as SO4 7859 River water 3 Feb 2026 – Jul 2026 below 10 mg/l 10 Jul 2026
trans-Permethrin 9342 River water 3 Feb 2026 – Jul 2026 below 0.0001 µg/l 10 Jul 2026
Zinc : BLM Bioavailable 4822 River water 3 Feb 2026 – Jul 2026 0.24 µg/l 10 Jul 2026
Zinc, Dissolved 3408 River water 3 Feb 2026 – Jul 2026 0.51 µg/l 10 Jul 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.