Spout Burn

EA name: SSN0925 SPOUT BURN
Environment Agency sampling point NE-SSN0925 · 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
2 Dec 2025, 09:4910 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 30 Sep 2026 and had nothing newer.
Samples banked
13 since 8 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 403703, 603760As published, to the nearest 1 m. Open in a map
River, by its own name
Spout Burn
River, by the map
Spout BurnPlaced on the river its name gives, 4 m from the line.
Next gauge downstream
Rothbury On the River Coquet · 8.1 km along the river
Why it was sampled
Monitoring (national agency policy) (13 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

99.1%

Sampled 2 Dec 2025, 10 months ago · 12 results banked

98100102104106%2024202520268 Jan 2025, 11:45: 100.3%4 Feb 2025, 09:43: 99.8%3 Mar 2025, 12:43: 102%4 Apr 2025, 10:44: 104.7%1 May 2025, 10:24: 104%3 Jun 2025, 11:30: 104.1%10 Jul 2025, 11:52: 102.7%5 Aug 2025, 10:10: 100.9%4 Sep 2025, 09:44: 99%6 Oct 2025, 10:44: 102.1%7 Nov 2025, 10:16: 102.3%2 Dec 2025, 09:49: 99.1%
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:4999.1 99.1%
7 Nov 2025, 10:16102.3 102.3%
6 Oct 2025, 10:44102.1 102.1%
4 Sep 2025, 09:4499 99%
5 Aug 2025, 10:10100.9 100.9%
10 Jul 2025, 11:52102.7 102.7%
3 Jun 2025, 11:30104.1 104.1%
1 May 2025, 10:24104 104%
4 Apr 2025, 10:44104.7 104.7%
3 Mar 2025, 12:43102 102%
4 Feb 2025, 09:4399.8 99.8%
8 Jan 2025, 11:45100.3 100.3%

Dissolved oxygen

as O2 · code 9924 · mg/l

12 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

1011121314mg/l2024202520268 Jan 2025, 11:45: 13.2 mg/l4 Feb 2025, 09:43: 12 mg/l3 Mar 2025, 12:43: 11.9 mg/l4 Apr 2025, 10:44: 12.3 mg/l1 May 2025, 10:24: 11.4 mg/l3 Jun 2025, 11:30: 11.6 mg/l10 Jul 2025, 11:52: 10.6 mg/l5 Aug 2025, 10:10: 11.2 mg/l4 Sep 2025, 09:44: 11.2 mg/l6 Oct 2025, 10:44: 11.4 mg/l7 Nov 2025, 10:16: 11.6 mg/l2 Dec 2025, 09:49: 12 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:4912 12 mg/l
7 Nov 2025, 10:1611.6 11.6 mg/l
6 Oct 2025, 10:4411.4 11.4 mg/l
4 Sep 2025, 09:4411.2 11.2 mg/l
5 Aug 2025, 10:1011.2 11.2 mg/l
10 Jul 2025, 11:5210.6 10.6 mg/l
3 Jun 2025, 11:3011.6 11.6 mg/l
1 May 2025, 10:2411.4 11.4 mg/l
4 Apr 2025, 10:4412.3 12.3 mg/l
3 Mar 2025, 12:4311.9 11.9 mg/l
4 Feb 2025, 09:4312 12 mg/l
8 Jan 2025, 11:4513.2 13.2 mg/l

Water temperature

code 0076 · °C

7 °C

Sampled 2 Dec 2025, 10 months ago · 12 results banked

2.557.51012.515°C2024202520268 Jan 2025, 11:45: 3.9 °C4 Feb 2025, 09:43: 7.4 °C3 Mar 2025, 12:43: 8.4 °C4 Apr 2025, 10:44: 8.1 °C1 May 2025, 10:24: 11.1 °C3 Jun 2025, 11:30: 10.5 °C10 Jul 2025, 11:52: 13.6 °C5 Aug 2025, 10:10: 10.6 °C4 Sep 2025, 09:44: 9.8 °C6 Oct 2025, 10:44: 10.4 °C7 Nov 2025, 10:16: 9.9 °C2 Dec 2025, 09:49: 7 °C
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:497 7 °C
7 Nov 2025, 10:169.9 9.9 °C
6 Oct 2025, 10:4410.4 10.4 °C
4 Sep 2025, 09:449.8 9.8 °C
5 Aug 2025, 10:1010.6 10.6 °C
10 Jul 2025, 11:5213.6 13.6 °C
3 Jun 2025, 11:3010.5 10.5 °C
1 May 2025, 10:2411.1 11.1 °C
4 Apr 2025, 10:448.1 8.1 °C
3 Mar 2025, 12:438.4 8.4 °C
4 Feb 2025, 09:437.4 7.4 °C
8 Jan 2025, 11:453.9 3.9 °C

pH

code 0061

7.73

Sampled 2 Dec 2025, 10 months ago · 12 results banked

7.57.7588.258.58.752024202520268 Jan 2025, 11:45: 8.144 Feb 2025, 09:43: 8.133 Mar 2025, 12:43: 8.24 Apr 2025, 10:44: 8.121 May 2025, 10:24: 8.23 Jun 2025, 11:30: 8.5910 Jul 2025, 11:52: 8.355 Aug 2025, 10:10: 8.334 Sep 2025, 09:44: 8.386 Oct 2025, 10:44: 8.227 Nov 2025, 10:16: 7.932 Dec 2025, 09:49: 7.73
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:497.73 7.73
7 Nov 2025, 10:167.93 7.93
6 Oct 2025, 10:448.22 8.22
4 Sep 2025, 09:448.38 8.38
5 Aug 2025, 10:108.33 8.33
10 Jul 2025, 11:528.35 8.35
3 Jun 2025, 11:308.59 8.59
1 May 2025, 10:248.2 8.2
4 Apr 2025, 10:448.12 8.12
3 Mar 2025, 12:438.2 8.2
4 Feb 2025, 09:438.13 8.13
8 Jan 2025, 11:458.14 8.14

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 2 Dec 2025, 10 months ago · 12 results banked

0.020.040.060.080.1mg/l2024202520268 Jan 2025, 11:45: below 0.03 mg/l (not detected above this)4 Feb 2025, 09:43: below 0.03 mg/l (not detected above this)3 Mar 2025, 12:43: below 0.03 mg/l (not detected above this)4 Apr 2025, 10:44: 0.031 mg/l1 May 2025, 10:24: below 0.03 mg/l (not detected above this)3 Jun 2025, 11:30: below 0.03 mg/l (not detected above this)10 Jul 2025, 11:52: 0.082 mg/l5 Aug 2025, 10:10: below 0.03 mg/l (not detected above this)4 Sep 2025, 09:44: below 0.03 mg/l (not detected above this)6 Oct 2025, 10:44: below 0.03 mg/l (not detected above this)7 Nov 2025, 10:16: 0.067 mg/l2 Dec 2025, 09:49: below 0.03 mg/l (not detected above this)
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:49<0.03 below 0.03 mg/l (not detected above this)
7 Nov 2025, 10:160.067 0.067 mg/l
6 Oct 2025, 10:44<0.03 below 0.03 mg/l (not detected above this)
4 Sep 2025, 09:44<0.03 below 0.03 mg/l (not detected above this)
5 Aug 2025, 10:10<0.03 below 0.03 mg/l (not detected above this)
10 Jul 2025, 11:520.082 0.082 mg/l
3 Jun 2025, 11:30<0.03 below 0.03 mg/l (not detected above this)
1 May 2025, 10:24<0.03 below 0.03 mg/l (not detected above this)
4 Apr 2025, 10:440.031 0.031 mg/l
3 Mar 2025, 12:43<0.03 below 0.03 mg/l (not detected above this)
4 Feb 2025, 09:43<0.03 below 0.03 mg/l (not detected above this)
8 Jan 2025, 11:45<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

0.666 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

0.60.811.2mg/l2024202520268 Jan 2025, 11:45: 0.886 mg/l4 Feb 2025, 09:43: 0.986 mg/l3 Mar 2025, 12:43: 0.976 mg/l4 Apr 2025, 10:44: 1.1 mg/l1 May 2025, 10:24: 0.996 mg/l3 Jun 2025, 11:30: 1.1 mg/l10 Jul 2025, 11:52: 1.1 mg/l5 Aug 2025, 10:10: 1.1 mg/l4 Sep 2025, 09:44: 1.1 mg/l6 Oct 2025, 10:44: 0.996 mg/l7 Nov 2025, 10:16: 0.886 mg/l2 Dec 2025, 09:49: 0.666 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:490.666 0.666 mg/l
7 Nov 2025, 10:160.886 0.886 mg/l
6 Oct 2025, 10:440.996 0.996 mg/l
4 Sep 2025, 09:441.1 1.1 mg/l
5 Aug 2025, 10:101.1 1.1 mg/l
10 Jul 2025, 11:521.1 1.1 mg/l
3 Jun 2025, 11:301.1 1.1 mg/l
1 May 2025, 10:240.996 0.996 mg/l
4 Apr 2025, 10:441.1 1.1 mg/l
3 Mar 2025, 12:430.976 0.976 mg/l
4 Feb 2025, 09:430.986 0.986 mg/l
8 Jan 2025, 11:450.886 0.886 mg/l

Phosphate

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

0.012 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

0.010.0110.0120.013mg/l2024202520268 Jan 2025, 11:45: below 0.01 mg/l (not detected above this)4 Feb 2025, 09:43: below 0.01 mg/l (not detected above this)3 Mar 2025, 12:43: below 0.01 mg/l (not detected above this)4 Apr 2025, 10:44: below 0.01 mg/l (not detected above this)1 May 2025, 10:24: below 0.01 mg/l (not detected above this)3 Jun 2025, 11:30: below 0.01 mg/l (not detected above this)10 Jul 2025, 11:52: 0.013 mg/l5 Aug 2025, 10:10: below 0.01 mg/l (not detected above this)4 Sep 2025, 09:44: below 0.01 mg/l (not detected above this)6 Oct 2025, 10:44: below 0.01 mg/l (not detected above this)7 Nov 2025, 10:16: below 0.01 mg/l (not detected above this)2 Dec 2025, 09:49: 0.012 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:490.012 0.012 mg/l
7 Nov 2025, 10:16<0.01 below 0.01 mg/l (not detected above this)
6 Oct 2025, 10:44<0.01 below 0.01 mg/l (not detected above this)
4 Sep 2025, 09:44<0.01 below 0.01 mg/l (not detected above this)
5 Aug 2025, 10:10<0.01 below 0.01 mg/l (not detected above this)
10 Jul 2025, 11:520.013 0.013 mg/l
3 Jun 2025, 11:30<0.01 below 0.01 mg/l (not detected above this)
1 May 2025, 10:24<0.01 below 0.01 mg/l (not detected above this)
4 Apr 2025, 10:44<0.01 below 0.01 mg/l (not detected above this)
3 Mar 2025, 12:43<0.01 below 0.01 mg/l (not detected above this)
4 Feb 2025, 09:43<0.01 below 0.01 mg/l (not detected above this)
8 Jan 2025, 11:45<0.01 below 0.01 mg/l (not detected above this)

Conductivity

at 25 °C · code 0077 · µS/cm

200 µS/cm

Sampled 2 Dec 2025, 10 months ago · 12 results banked

200225250275300µS/cm2024202520268 Jan 2025, 11:45: 253 µS/cm4 Feb 2025, 09:43: 274 µS/cm3 Mar 2025, 12:43: 274 µS/cm4 Apr 2025, 10:44: 284 µS/cm1 May 2025, 10:24: 280 µS/cm3 Jun 2025, 11:30: 269 µS/cm10 Jul 2025, 11:52: 281 µS/cm5 Aug 2025, 10:10: 266 µS/cm4 Sep 2025, 09:44: 270 µS/cm6 Oct 2025, 10:44: 259 µS/cm7 Nov 2025, 10:16: 260 µS/cm2 Dec 2025, 09:49: 200 µS/cm
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 09:49200 200 µS/cm
7 Nov 2025, 10:16260 260 µS/cm
6 Oct 2025, 10:44259 259 µS/cm
4 Sep 2025, 09:44270 270 µS/cm
5 Aug 2025, 10:10266 266 µS/cm
10 Jul 2025, 11:52281 281 µS/cm
3 Jun 2025, 11:30269 269 µS/cm
1 May 2025, 10:24280 280 µS/cm
4 Apr 2025, 10:44284 284 µS/cm
3 Mar 2025, 12:43274 274 µS/cm
4 Feb 2025, 09:43274 274 µS/cm
8 Jan 2025, 11:45253 253 µS/cm

Everything measured here

95 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 95 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 12 Jan 2025 – Dec 2025 99.1% 2 Dec 2025
Oxygen, Dissolved as O2 9924 River water 12 Jan 2025 – Dec 2025 12 mg/l 2 Dec 2025
Temperature of Water 0076 River water 12 Jan 2025 – Dec 2025 7 °C 2 Dec 2025
pH 0061 River water 12 Jan 2025 – Dec 2025 7.73 2 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 12 Jan 2025 – Dec 2025 below 0.03 mg/l 2 Dec 2025
Nitrate as N 0117 River water 12 Jan 2025 – Dec 2025 0.666 mg/l 2 Dec 2025
Orthophosphate, reactive as P 0180 River water 12 Jan 2025 – Dec 2025 0.012 mg/l 2 Dec 2025
Conductivity at 25 C 0077 River water 12 Jan 2025 – Dec 2025 200 µS/cm 2 Dec 2025
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
3-Perfluoroheptylpropanoic acid 2925 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Sep 2025 – Sep 2025 below 0.004 µg/l 4 Sep 2025
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Sep 2025 – Sep 2025 0.0045 µg/l 4 Sep 2025
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 12 Jan 2025 – Dec 2025 73 mg/l 2 Dec 2025
Aluminium, Dissolved 6037 River water 3 Apr 2025 – Oct 2025 34 µg/l 6 Oct 2025
Aminomethylphosphonic acid 7125 River water 9 Apr 2025 – Dec 2025 below 0.1 µg/l 2 Dec 2025
Ammonia un-ionised as N 0119 River water 12 Jan 2025 – Dec 2025 below 0.00024 mg/l 2 Dec 2025
Barium, Dissolved 9446 River water 3 Apr 2025 – Oct 2025 110 µg/l 6 Oct 2025
Boron, Dissolved 9447 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 6 Oct 2025
Cadmium, Dissolved 0106 River water 3 Apr 2025 – Oct 2025 below 0.01 µg/l 6 Oct 2025
Calcium, Dissolved 0239 River water 3 Apr 2025 – Oct 2025 28 mg/l 6 Oct 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 12 Jan 2025 – Dec 2025 12 mg/l 2 Dec 2025
Chloride 0172 River water 12 Jan 2025 – Dec 2025 15 mg/l 2 Dec 2025
Chromium, Dissolved 3409 River water 3 Apr 2025 – Oct 2025 below 0.5 µg/l 6 Oct 2025
Copper : BLM Bioavailable 4821 River water 3 Apr 2025 – Oct 2025 0.06 µg/l 6 Oct 2025
Copper, Dissolved 6450 River water 3 Apr 2025 – Oct 2025 0.43 µg/l 6 Oct 2025
eDNA Report 3047 River water 1 Jan 2025 – Jan 2025 1 text result 8 Jan 2025
Flow Type 2896 River water 12 Jan 2025 – Dec 2025 High Flow 2 Dec 2025
Glyphosate 3007 River water 9 Apr 2025 – Dec 2025 below 0.1 µg/l 2 Dec 2025
Hardness, Calcium 0163 River water 3 Apr 2025 – Oct 2025 69.9 mg/l 6 Oct 2025
Hardness, Total as CaCO3 0158 River water 3 Apr 2025 – Oct 2025 115 mg/l 6 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Iron, Dissolved 6460 River water 3 Apr 2025 – Oct 2025 95 µg/l 6 Oct 2025
Lead : BLM Bioavailable 3377 River water 3 Apr 2025 – Oct 2025 0.02 µg/l 6 Oct 2025
Lead, Dissolved 0052 River water 3 Apr 2025 – Oct 2025 below 0.1 µg/l 6 Oct 2025
Lithium, Dissolved 4201 River water 3 Apr 2025 – Oct 2025 below 100 µg/l 6 Oct 2025
Magnesium, Dissolved 0235 River water 3 Apr 2025 – Oct 2025 11 mg/l 6 Oct 2025
Manganese : BLM Bioavailable 4820 River water 3 Apr 2025 – Oct 2025 5 µg/l 6 Oct 2025
Manganese, Dissolved 6458 River water 3 Apr 2025 – Oct 2025 below 10 µg/l 6 Oct 2025
Mitochondrial marker : Fish 12S 2857 River water 1 Jan 2025 – Jan 2025 Not found 8 Jan 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Sep 2025 – Sep 2025 below 0.002 µg/l 4 Sep 2025
N-methylperfluorooctanesulfonamide 2975 River water 1 Sep 2025 – Sep 2025 below 0.002 µg/l 4 Sep 2025
Nickel : BLM Bioavailable 3878 River water 3 Apr 2025 – Oct 2025 0.45 µg/l 6 Oct 2025
Nickel, Dissolved 3410 River water 3 Apr 2025 – Oct 2025 0.51 µg/l 6 Oct 2025
Nitrite as N 0118 River water 12 Jan 2025 – Dec 2025 below 0.004 mg/l 2 Dec 2025
Nitrogen, Total as N 9686 River water 12 Jan 2025 – Dec 2025 1.3 mg/l 2 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 12 Jan 2025 – Dec 2025 0.67 mg/l 2 Dec 2025
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorobutanesulfonic acid 2972 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorobutanoic acid 2995 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorodecanesulfonic acid 2969 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorodecanoic acid 8892 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorododecane sulfonic acid 2968 River water 1 Sep 2025 – Sep 2025 below 0.005 µg/l 4 Sep 2025
Perfluorododecanoic acid 8894 River water 1 Sep 2025 – Sep 2025 below 0.002 µg/l 4 Sep 2025
Perfluoroheptanesulfonic acid 2967 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluoroheptanoic acid 8889 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorohexanesulfonamide 2965 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorohexanesulfonic acid (B) 2944 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorohexanesulfonic acid (L) 2964 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorohexanoic acid 8888 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorononanesulfonic acid 2963 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorononanoic acid 8891 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorooctadecanoic acid 2962 River water 1 Sep 2025 – Sep 2025 below 0.002 µg/l 4 Sep 2025
Perfluorooctanesulfonamide 2961 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluorooctanoic acid 8890 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluoropentanesulfonic acid 2957 River water 1 Sep 2025 – Sep 2025 below 0.0005 µg/l 4 Sep 2025
Perfluoropentanoic acid 8887 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Perfluorotetradecanoic acid 8895 River water 1 Sep 2025 – Sep 2025 below 0.006 µg/l 4 Sep 2025
Perfluorotridecanoic acid 2955 River water 1 Sep 2025 – Sep 2025 below 0.002 µg/l 4 Sep 2025
Perfluoroundecane sulfonic acid 2953 River water 1 Sep 2025 – Sep 2025 below 0.004 µg/l 4 Sep 2025
Perfluoroundecanoic acid 8893 River water 1 Sep 2025 – Sep 2025 below 0.001 µg/l 4 Sep 2025
Phosphorus, Total as P 0348 River water 12 Jan 2025 – Dec 2025 0.036 mg/l 2 Dec 2025
Potassium, Dissolved 0209 River water 3 Apr 2025 – Oct 2025 1.6 mg/l 6 Oct 2025
Silica, reactive as SiO2 0182 River water 12 Jan 2025 – Dec 2025 6.7 mg/l 2 Dec 2025
Sodium, Dissolved 0205 River water 3 Apr 2025 – Oct 2025 8.6 mg/l 6 Oct 2025
Solids, Suspended at 105 C 0135 River water 12 Jan 2025 – Dec 2025 8.7 mg/l 2 Dec 2025
Strontium, Filtered 6693 River water 3 Apr 2025 – Oct 2025 40 µg/l 6 Oct 2025
Sulphate, Dissolved as SO4 7859 River water 3 Apr 2025 – Oct 2025 13 mg/l 6 Oct 2025
Zinc : BLM Bioavailable 4822 River water 3 Apr 2025 – Oct 2025 1.6 µg/l 6 Oct 2025
Zinc, Dissolved 3408 River water 3 Apr 2025 – Oct 2025 3 µg/l 6 Oct 2025

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.