River Tove Cosgrove Park Footbridge

EA name: R.TOVE COSGROVE PARK FT.BR.
Environment Agency sampling point AN-04M08 · 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
1 May 2026, 11:465 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
24 since 25 Jun 2024 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 479963, 242331As published, to the nearest 1 m. Open in a map
River, by its own name
Tove
River, by the map
River TovePlaced on the river its name gives, 1 m from the line.
Next gauge downstream
Haversham On the River Great Ouse · 2.5 km along the river
Nearest gauge upstream
Cappenham On the River Tove · 18 km along the river
Why it was sampled
Monitoring (national agency policy) (24 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

104.7%

Sampled 1 May 2026, 5 months ago · 24 results banked

80100120140%20242025202625 Jun 2024, 12:51: 97.5%15 Jul 2024, 15:22: 90.6%19 Aug 2024, 14:15: 92.9%16 Sep 2024, 12:41: 92.5%16 Oct 2024, 13:13: 82.7%18 Nov 2024, 11:01: 91.2%2 Dec 2024, 13:11: 88.1%20 Jan 2025, 14:45: 95.5%3 Feb 2025, 13:28: 94.5%3 Mar 2025, 12:43: 101.3%4 Apr 2025, 15:19: 127.7%6 May 2025, 11:41: 103.1%9 Jun 2025, 13:17: 109.4%8 Jul 2025, 13:03: 84.9%1 Aug 2025, 12:10: 90.5%12 Sep 2025, 12:50: 89.2%13 Oct 2025, 10:24: 87.2%3 Nov 2025, 13:27: 89.3%1 Dec 2025, 12:12: 88.2%6 Jan 2026, 14:06: 97.9%4 Feb 2026, 13:37: 93.9%6 Mar 2026, 12:58: 96.1%1 Apr 2026, 14:19: 106.7%1 May 2026, 11:46: 104.7%
Every result (24)
SampledResult as publishedReads as
1 May 2026, 11:46104.7 104.7%
1 Apr 2026, 14:19106.7 106.7%
6 Mar 2026, 12:5896.1 96.1%
4 Feb 2026, 13:3793.9 93.9%
6 Jan 2026, 14:0697.9 97.9%
1 Dec 2025, 12:1288.2 88.2%
3 Nov 2025, 13:2789.3 89.3%
13 Oct 2025, 10:2487.2 87.2%
12 Sep 2025, 12:5089.2 89.2%
1 Aug 2025, 12:1090.5 90.5%
8 Jul 2025, 13:0384.9 84.9%
9 Jun 2025, 13:17109.4 109.4%
6 May 2025, 11:41103.1 103.1%
4 Apr 2025, 15:19127.7 127.7%
3 Mar 2025, 12:43101.3 101.3%
3 Feb 2025, 13:2894.5 94.5%
20 Jan 2025, 14:4595.5 95.5%
2 Dec 2024, 13:1188.1 88.1%
18 Nov 2024, 11:0191.2 91.2%
16 Oct 2024, 13:1382.7 82.7%
16 Sep 2024, 12:4192.5 92.5%
19 Aug 2024, 14:1592.9 92.9%
15 Jul 2024, 15:2290.6 90.6%
25 Jun 2024, 12:5197.5 97.5%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.9 mg/l

Sampled 1 May 2026, 5 months ago · 24 results banked

8101214mg/l20242025202625 Jun 2024, 12:51: 8.91 mg/l15 Jul 2024, 15:22: 8.94 mg/l19 Aug 2024, 14:15: 9.07 mg/l16 Sep 2024, 12:41: 9.66 mg/l16 Oct 2024, 13:13: 8.69 mg/l18 Nov 2024, 11:01: 10.7 mg/l2 Dec 2024, 13:11: 10 mg/l20 Jan 2025, 14:45: 11.8 mg/l3 Feb 2025, 13:28: 11.9 mg/l3 Mar 2025, 12:43: 12.5 mg/l4 Apr 2025, 15:19: 13.2 mg/l6 May 2025, 11:41: 11.1 mg/l9 Jun 2025, 13:17: 10.9 mg/l8 Jul 2025, 13:03: 8.05 mg/l1 Aug 2025, 12:10: 8.63 mg/l12 Sep 2025, 12:50: 9.07 mg/l13 Oct 2025, 10:24: 9.46 mg/l3 Nov 2025, 13:27: 9.8 mg/l1 Dec 2025, 12:12: 10.4 mg/l6 Jan 2026, 14:06: 13.8 mg/l4 Feb 2026, 13:37: 11.5 mg/l6 Mar 2026, 12:58: 11.2 mg/l1 Apr 2026, 14:19: 11.8 mg/l1 May 2026, 11:46: 10.9 mg/l
Every result (24)
SampledResult as publishedReads as
1 May 2026, 11:4610.9 10.9 mg/l
1 Apr 2026, 14:1911.8 11.8 mg/l
6 Mar 2026, 12:5811.2 11.2 mg/l
4 Feb 2026, 13:3711.5 11.5 mg/l
6 Jan 2026, 14:0613.8 13.8 mg/l
1 Dec 2025, 12:1210.4 10.4 mg/l
3 Nov 2025, 13:279.8 9.8 mg/l
13 Oct 2025, 10:249.46 9.46 mg/l
12 Sep 2025, 12:509.07 9.07 mg/l
1 Aug 2025, 12:108.63 8.63 mg/l
8 Jul 2025, 13:038.05 8.05 mg/l
9 Jun 2025, 13:1710.9 10.9 mg/l
6 May 2025, 11:4111.1 11.1 mg/l
4 Apr 2025, 15:1913.2 13.2 mg/l
3 Mar 2025, 12:4312.5 12.5 mg/l
3 Feb 2025, 13:2811.9 11.9 mg/l
20 Jan 2025, 14:4511.8 11.8 mg/l
2 Dec 2024, 13:1110 10 mg/l
18 Nov 2024, 11:0110.7 10.7 mg/l
16 Oct 2024, 13:138.69 8.69 mg/l
16 Sep 2024, 12:419.66 9.66 mg/l
19 Aug 2024, 14:159.07 9.07 mg/l
15 Jul 2024, 15:228.94 8.94 mg/l
25 Jun 2024, 12:518.91 8.91 mg/l

Water temperature

code 0076 · °C

13.4 °C

Sampled 1 May 2026, 5 months ago · 24 results banked

05101520°C20242025202625 Jun 2024, 12:51: 19.6 °C15 Jul 2024, 15:22: 15.9 °C19 Aug 2024, 14:15: 16.4 °C16 Sep 2024, 12:41: 13.3 °C16 Oct 2024, 13:13: 13 °C18 Nov 2024, 11:01: 8.4 °C2 Dec 2024, 13:11: 9.5 °C20 Jan 2025, 14:45: 6.4 °C3 Feb 2025, 13:28: 5.5 °C3 Mar 2025, 12:43: 6.3 °C4 Apr 2025, 15:19: 13.6 °C6 May 2025, 11:41: 11.9 °C9 Jun 2025, 13:17: 15.5 °C8 Jul 2025, 13:03: 17.8 °C1 Aug 2025, 12:10: 17.5 °C12 Sep 2025, 12:50: 14.5 °C13 Oct 2025, 10:24: 11.6 °C3 Nov 2025, 13:27: 11.1 °C1 Dec 2025, 12:12: 8 °C6 Jan 2026, 14:06: 1.2 °C4 Feb 2026, 13:37: 6.6 °C6 Mar 2026, 12:58: 8.6 °C1 Apr 2026, 14:19: 10.7 °C1 May 2026, 11:46: 13.4 °C
Every result (24)
SampledResult as publishedReads as
1 May 2026, 11:4613.4 13.4 °C
1 Apr 2026, 14:1910.7 10.7 °C
6 Mar 2026, 12:588.6 8.6 °C
4 Feb 2026, 13:376.6 6.6 °C
6 Jan 2026, 14:061.2 1.2 °C
1 Dec 2025, 12:128 8 °C
3 Nov 2025, 13:2711.1 11.1 °C
13 Oct 2025, 10:2411.6 11.6 °C
12 Sep 2025, 12:5014.5 14.5 °C
1 Aug 2025, 12:1017.5 17.5 °C
8 Jul 2025, 13:0317.8 17.8 °C
9 Jun 2025, 13:1715.5 15.5 °C
6 May 2025, 11:4111.9 11.9 °C
4 Apr 2025, 15:1913.6 13.6 °C
3 Mar 2025, 12:436.3 6.3 °C
3 Feb 2025, 13:285.5 5.5 °C
20 Jan 2025, 14:456.4 6.4 °C
2 Dec 2024, 13:119.5 9.5 °C
18 Nov 2024, 11:018.4 8.4 °C
16 Oct 2024, 13:1313 13 °C
16 Sep 2024, 12:4113.3 13.3 °C
19 Aug 2024, 14:1516.4 16.4 °C
15 Jul 2024, 15:2215.9 15.9 °C
25 Jun 2024, 12:5119.6 19.6 °C

pH

code 0061

8.19

Sampled 1 May 2026, 5 months ago · 24 results banked

7.888.28.48.620242025202625 Jun 2024, 12:51: 8.0215 Jul 2024, 15:22: 7.9919 Aug 2024, 14:15: 8.1116 Sep 2024, 12:41: 8.116 Oct 2024, 13:13: 7.8518 Nov 2024, 11:01: 8.212 Dec 2024, 13:11: 8.0820 Jan 2025, 14:45: 8.323 Feb 2025, 13:28: 8.163 Mar 2025, 12:43: 8.314 Apr 2025, 15:19: 8.56 May 2025, 11:41: 8.389 Jun 2025, 13:17: 8.248 Jul 2025, 13:03: 7.941 Aug 2025, 12:10: 7.9112 Sep 2025, 12:50: 8.0713 Oct 2025, 10:24: 7.983 Nov 2025, 13:27: 8.071 Dec 2025, 12:12: 8.16 Jan 2026, 14:06: 8.44 Feb 2026, 13:37: 8.286 Mar 2026, 12:58: 8.171 Apr 2026, 14:19: 8.351 May 2026, 11:46: 8.19
Every result (24)
SampledResult as publishedReads as
1 May 2026, 11:468.19 8.19
1 Apr 2026, 14:198.35 8.35
6 Mar 2026, 12:588.17 8.17
4 Feb 2026, 13:378.28 8.28
6 Jan 2026, 14:068.4 8.4
1 Dec 2025, 12:128.1 8.1
3 Nov 2025, 13:278.07 8.07
13 Oct 2025, 10:247.98 7.98
12 Sep 2025, 12:508.07 8.07
1 Aug 2025, 12:107.91 7.91
8 Jul 2025, 13:037.94 7.94
9 Jun 2025, 13:178.24 8.24
6 May 2025, 11:418.38 8.38
4 Apr 2025, 15:198.5 8.5
3 Mar 2025, 12:438.31 8.31
3 Feb 2025, 13:288.16 8.16
20 Jan 2025, 14:458.32 8.32
2 Dec 2024, 13:118.08 8.08
18 Nov 2024, 11:018.21 8.21
16 Oct 2024, 13:137.85 7.85
16 Sep 2024, 12:418.1 8.1
19 Aug 2024, 14:158.11 8.11
15 Jul 2024, 15:227.99 7.99
25 Jun 2024, 12:518.02 8.02

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 1 May 2026, 5 months ago · 24 results banked

00.10.20.3mg/l20242025202625 Jun 2024, 12:51: 0.05 mg/l15 Jul 2024, 15:22: 0.13 mg/l19 Aug 2024, 14:15: 0.06 mg/l16 Sep 2024, 12:41: 0.07 mg/l16 Oct 2024, 13:13: below 0.03 mg/l (not detected above this)18 Nov 2024, 11:01: 0.043 mg/l2 Dec 2024, 13:11: 0.067 mg/l20 Jan 2025, 14:45: 0.17 mg/l3 Feb 2025, 13:28: 0.048 mg/l3 Mar 2025, 12:43: 0.033 mg/l4 Apr 2025, 15:19: below 0.03 mg/l (not detected above this)6 May 2025, 11:41: 0.034 mg/l9 Jun 2025, 13:17: 0.031 mg/l8 Jul 2025, 13:03: 0.065 mg/l1 Aug 2025, 12:10: below 0.03 mg/l (not detected above this)12 Sep 2025, 12:50: below 0.03 mg/l (not detected above this)13 Oct 2025, 10:24: below 0.03 mg/l (not detected above this)3 Nov 2025, 13:27: 0.041 mg/l1 Dec 2025, 12:12: 0.048 mg/l6 Jan 2026, 14:06: 0.25 mg/l4 Feb 2026, 13:37: 0.039 mg/l6 Mar 2026, 12:58: below 0.03 mg/l (not detected above this)1 Apr 2026, 14:19: below 0.03 mg/l (not detected above this)1 May 2026, 11:46: below 0.03 mg/l (not detected above this)
Every result (24)
SampledResult as publishedReads as
1 May 2026, 11:46<0.03 below 0.03 mg/l (not detected above this)
1 Apr 2026, 14:19<0.03 below 0.03 mg/l (not detected above this)
6 Mar 2026, 12:58<0.03 below 0.03 mg/l (not detected above this)
4 Feb 2026, 13:370.039 0.039 mg/l
6 Jan 2026, 14:060.25 0.25 mg/l
1 Dec 2025, 12:120.048 0.048 mg/l
3 Nov 2025, 13:270.041 0.041 mg/l
13 Oct 2025, 10:24<0.03 below 0.03 mg/l (not detected above this)
12 Sep 2025, 12:50<0.03 below 0.03 mg/l (not detected above this)
1 Aug 2025, 12:10<0.03 below 0.03 mg/l (not detected above this)
8 Jul 2025, 13:030.065 0.065 mg/l
9 Jun 2025, 13:170.031 0.031 mg/l
6 May 2025, 11:410.034 0.034 mg/l
4 Apr 2025, 15:19<0.03 below 0.03 mg/l (not detected above this)
3 Mar 2025, 12:430.033 0.033 mg/l
3 Feb 2025, 13:280.048 0.048 mg/l
20 Jan 2025, 14:450.17 0.17 mg/l
2 Dec 2024, 13:110.067 0.067 mg/l
18 Nov 2024, 11:010.043 0.043 mg/l
16 Oct 2024, 13:13<0.03 below 0.03 mg/l (not detected above this)
16 Sep 2024, 12:410.07 0.07 mg/l
19 Aug 2024, 14:150.06 0.06 mg/l
15 Jul 2024, 15:220.13 0.13 mg/l
25 Jun 2024, 12:510.05 0.05 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

7.49 mg/l

Sampled 1 May 2026, 5 months ago · 23 results banked

46810mg/l20242025202625 Jun 2024, 12:51: 7.26 mg/l15 Jul 2024, 15:22: 6.96 mg/l19 Aug 2024, 14:15: 6.97 mg/l16 Sep 2024, 12:41: 8.16 mg/l16 Oct 2024, 13:13: 5.37 mg/l18 Nov 2024, 11:01: 7.56 mg/l20 Jan 2025, 14:45: 7.81 mg/l3 Feb 2025, 13:28: 6.97 mg/l3 Mar 2025, 12:43: 7.08 mg/l4 Apr 2025, 15:19: 7.67 mg/l6 May 2025, 11:41: 6.77 mg/l9 Jun 2025, 13:17: 7.47 mg/l8 Jul 2025, 13:03: 7.44 mg/l1 Aug 2025, 12:10: 6.48 mg/l12 Sep 2025, 12:50: 7.98 mg/l13 Oct 2025, 10:24: 7.99 mg/l3 Nov 2025, 13:27: 9.27 mg/l1 Dec 2025, 12:12: 9.97 mg/l6 Jan 2026, 14:06: 9.13 mg/l4 Feb 2026, 13:37: 8.76 mg/l6 Mar 2026, 12:58: 7.58 mg/l1 Apr 2026, 14:19: 7.19 mg/l1 May 2026, 11:46: 7.49 mg/l
Every result (23)
SampledResult as publishedReads as
1 May 2026, 11:467.49 7.49 mg/l
1 Apr 2026, 14:197.19 7.19 mg/l
6 Mar 2026, 12:587.58 7.58 mg/l
4 Feb 2026, 13:378.76 8.76 mg/l
6 Jan 2026, 14:069.13 9.13 mg/l
1 Dec 2025, 12:129.97 9.97 mg/l
3 Nov 2025, 13:279.27 9.27 mg/l
13 Oct 2025, 10:247.99 7.99 mg/l
12 Sep 2025, 12:507.98 7.98 mg/l
1 Aug 2025, 12:106.48 6.48 mg/l
8 Jul 2025, 13:037.44 7.44 mg/l
9 Jun 2025, 13:177.47 7.47 mg/l
6 May 2025, 11:416.77 6.77 mg/l
4 Apr 2025, 15:197.67 7.67 mg/l
3 Mar 2025, 12:437.08 7.08 mg/l
3 Feb 2025, 13:286.97 6.97 mg/l
20 Jan 2025, 14:457.81 7.81 mg/l
18 Nov 2024, 11:017.56 7.56 mg/l
16 Oct 2024, 13:135.37 5.37 mg/l
16 Sep 2024, 12:418.16 8.16 mg/l
19 Aug 2024, 14:156.97 6.97 mg/l
15 Jul 2024, 15:226.96 6.96 mg/l
25 Jun 2024, 12:517.26 7.26 mg/l

Phosphate

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

0.048 mg/l

Sampled 1 May 2026, 5 months ago · 24 results banked

00.10.20.30.4mg/l20242025202625 Jun 2024, 12:51: 0.25 mg/l15 Jul 2024, 15:22: 0.25 mg/l19 Aug 2024, 14:15: 0.37 mg/l16 Sep 2024, 12:41: 0.28 mg/l16 Oct 2024, 13:13: 0.073 mg/l18 Nov 2024, 11:01: 0.12 mg/l2 Dec 2024, 13:11: 0.072 mg/l20 Jan 2025, 14:45: 0.076 mg/l3 Feb 2025, 13:28: 0.058 mg/l3 Mar 2025, 12:43: 0.042 mg/l4 Apr 2025, 15:19: 0.02 mg/l6 May 2025, 11:41: 0.11 mg/l9 Jun 2025, 13:17: 0.097 mg/l8 Jul 2025, 13:03: 0.19 mg/l1 Aug 2025, 12:10: 0.14 mg/l12 Sep 2025, 12:50: 0.13 mg/l13 Oct 2025, 10:24: 0.081 mg/l3 Nov 2025, 13:27: 0.11 mg/l1 Dec 2025, 12:12: 0.096 mg/l6 Jan 2026, 14:06: 0.059 mg/l4 Feb 2026, 13:37: 0.057 mg/l6 Mar 2026, 12:58: 0.058 mg/l1 Apr 2026, 14:19: 0.011 mg/l1 May 2026, 11:46: 0.048 mg/l
Every result (24)
SampledResult as publishedReads as
1 May 2026, 11:460.048 0.048 mg/l
1 Apr 2026, 14:190.011 0.011 mg/l
6 Mar 2026, 12:580.058 0.058 mg/l
4 Feb 2026, 13:370.057 0.057 mg/l
6 Jan 2026, 14:060.059 0.059 mg/l
1 Dec 2025, 12:120.096 0.096 mg/l
3 Nov 2025, 13:270.11 0.11 mg/l
13 Oct 2025, 10:240.081 0.081 mg/l
12 Sep 2025, 12:500.13 0.13 mg/l
1 Aug 2025, 12:100.14 0.14 mg/l
8 Jul 2025, 13:030.19 0.19 mg/l
9 Jun 2025, 13:170.097 0.097 mg/l
6 May 2025, 11:410.11 0.11 mg/l
4 Apr 2025, 15:190.02 0.02 mg/l
3 Mar 2025, 12:430.042 0.042 mg/l
3 Feb 2025, 13:280.058 0.058 mg/l
20 Jan 2025, 14:450.076 0.076 mg/l
2 Dec 2024, 13:110.072 0.072 mg/l
18 Nov 2024, 11:010.12 0.12 mg/l
16 Oct 2024, 13:130.073 0.073 mg/l
16 Sep 2024, 12:410.28 0.28 mg/l
19 Aug 2024, 14:150.37 0.37 mg/l
15 Jul 2024, 15:220.25 0.25 mg/l
25 Jun 2024, 12:510.25 0.25 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

772 µS/cm

Sampled 1 May 2026, 5 months ago · 24 results banked

600700800900µS/cm20242025202625 Jun 2024, 12:51: 811 µS/cm15 Jul 2024, 15:22: 811 µS/cm19 Aug 2024, 14:15: 807 µS/cm16 Sep 2024, 12:41: 818 µS/cm16 Oct 2024, 13:13: 602 µS/cm18 Nov 2024, 11:01: 793 µS/cm2 Dec 2024, 13:11: 695 µS/cm20 Jan 2025, 14:45: 761 µS/cm3 Feb 2025, 13:28: 706 µS/cm3 Mar 2025, 12:43: 668 µS/cm4 Apr 2025, 15:19: 733 µS/cm6 May 2025, 11:41: 794 µS/cm9 Jun 2025, 13:17: 778 µS/cm8 Jul 2025, 13:03: 831 µS/cm1 Aug 2025, 12:10: 834 µS/cm12 Sep 2025, 12:50: 856 µS/cm13 Oct 2025, 10:24: 868 µS/cm3 Nov 2025, 13:27: 875 µS/cm1 Dec 2025, 12:12: 730 µS/cm6 Jan 2026, 14:06: 827 µS/cm4 Feb 2026, 13:37: 664 µS/cm6 Mar 2026, 12:58: 701 µS/cm1 Apr 2026, 14:19: 744 µS/cm1 May 2026, 11:46: 772 µS/cm
Every result (24)
SampledResult as publishedReads as
1 May 2026, 11:46772 772 µS/cm
1 Apr 2026, 14:19744 744 µS/cm
6 Mar 2026, 12:58701 701 µS/cm
4 Feb 2026, 13:37664 664 µS/cm
6 Jan 2026, 14:06827 827 µS/cm
1 Dec 2025, 12:12730 730 µS/cm
3 Nov 2025, 13:27875 875 µS/cm
13 Oct 2025, 10:24868 868 µS/cm
12 Sep 2025, 12:50856 856 µS/cm
1 Aug 2025, 12:10834 834 µS/cm
8 Jul 2025, 13:03831 831 µS/cm
9 Jun 2025, 13:17778 778 µS/cm
6 May 2025, 11:41794 794 µS/cm
4 Apr 2025, 15:19733 733 µS/cm
3 Mar 2025, 12:43668 668 µS/cm
3 Feb 2025, 13:28706 706 µS/cm
20 Jan 2025, 14:45761 761 µS/cm
2 Dec 2024, 13:11695 695 µS/cm
18 Nov 2024, 11:01793 793 µS/cm
16 Oct 2024, 13:13602 602 µS/cm
16 Sep 2024, 12:41818 818 µS/cm
19 Aug 2024, 14:15807 807 µS/cm
15 Jul 2024, 15:22811 811 µS/cm
25 Jun 2024, 12:51811 811 µS/cm

Everything measured here

71 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 71 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 24 Jun 2024 – May 2026 104.7% 1 May 2026
Oxygen, Dissolved as O2 9924 River water 24 Jun 2024 – May 2026 10.9 mg/l 1 May 2026
Temperature of Water 0076 River water 24 Jun 2024 – May 2026 13.4 °C 1 May 2026
pH 0061 River water 24 Jun 2024 – May 2026 8.19 1 May 2026
Ammoniacal Nitrogen as N 0111 River water 24 Jun 2024 – May 2026 below 0.03 mg/l 1 May 2026
Nitrate as N 0117 River water 23 Jun 2024 – May 2026 7.49 mg/l 1 May 2026
Orthophosphate, reactive as P 0180 River water 24 Jun 2024 – May 2026 0.048 mg/l 1 May 2026
Conductivity at 25 C 0077 River water 24 Jun 2024 – May 2026 772 µS/cm 1 May 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Jan 2026 – Jan 2026 below 0.002 µg/l 6 Jan 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Jul 2025 – Jul 2025 below 0.001 µg/l 8 Jul 2025
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
3-Perfluoroheptylpropanoic acid 2925 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Jul 2025 – Jan 2026 below 0.004 µg/l 6 Jan 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Jan 2026 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
5:3 Fluorotelomer betaine 2886 River water 1 Jan 2026 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Jan 2026 – Jan 2026 below 0.004 µg/l 6 Jan 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Jan 2026 – Jan 2026 below 0.01 µg/l 6 Jan 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Jan 2026 – Jan 2026 below 0.004 µg/l 6 Jan 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Jan 2026 – Jan 2026 below 0.01 µg/l 6 Jan 2026
8:2 Fluorotelomer phosphate diester 2880 River water 1 Jan 2026 – Jan 2026 below 0.004 µg/l 6 Jan 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Jan 2026 – Jan 2026 below 0.01 µg/l 6 Jan 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 24 Jun 2024 – May 2026 220 mg/l 1 May 2026
Ammonia un-ionised as N 0119 River water 24 Jun 2024 – May 2026 below 0.0007 mg/l 1 May 2026
BOD : 5 Day ATU 0085 River water 24 Jun 2024 – May 2026 1.2 mg/l 1 May 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Jan 2026 – Jan 2026 below 0.001 µg/l 6 Jan 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Jul 2025 – Jan 2026 below 0.002 µg/l 6 Jan 2026
N-methylperfluorooctanesulfonamide 2975 River water 2 Jul 2025 – Jan 2026 below 0.002 µg/l 6 Jan 2026
Nitrite as N 0118 River water 24 Jun 2024 – May 2026 0.013 mg/l 1 May 2026
Nitrogen, Total Oxidised as N 0116 River water 23 Jun 2024 – May 2026 7.5 mg/l 1 May 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Jul 2025 – Jan 2026 0.0016 µg/l 6 Jan 2026
Perfluorobutanesulfonic acid 2972 River water 2 Jul 2025 – Jan 2026 0.0013 µg/l 6 Jan 2026
Perfluorobutanoic acid 2995 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluorodecanesulfonic acid 2969 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Perfluorodecanoic acid 8892 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Perfluorododecane sulfonic acid 2968 River water 2 Jul 2025 – Jan 2026 below 0.005 µg/l 6 Jan 2026
Perfluorododecanoic acid 8894 River water 2 Jul 2025 – Jan 2026 below 0.002 µg/l 6 Jan 2026
Perfluoroheptanesulfonic acid 2967 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluoroheptanoic acid 8889 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Perfluorohexanesulfonamide 2965 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluorohexanesulfonic acid (B) 2944 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluorohexanesulfonic acid (L) 2964 River water 2 Jul 2025 – Jan 2026 0.00061 µg/l 6 Jan 2026
Perfluorohexanoic acid 8888 River water 2 Jul 2025 – Jan 2026 0.001 µg/l 6 Jan 2026
Perfluorononanesulfonic acid 2963 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluorononanoic acid 8891 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Perfluorooctadecanoic acid 2962 River water 2 Jul 2025 – Jan 2026 below 0.002 µg/l 6 Jan 2026
Perfluorooctanesulfonamide 2961 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Jul 2025 – Jan 2026 0.0036 µg/l 6 Jan 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Jul 2025 – Jan 2026 0.0062 µg/l 6 Jan 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Jan 2026 – Jan 2026 0.0098 µg/l 6 Jan 2026
Perfluorooctanoic acid 8890 River water 2 Jul 2025 – Jan 2026 0.00058 µg/l 6 Jan 2026
Perfluoropentanesulfonic acid 2957 River water 2 Jul 2025 – Jan 2026 below 0.0005 µg/l 6 Jan 2026
Perfluoropentanoic acid 8887 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 2026
Perfluorotetradecanoic acid 8895 River water 2 Jul 2025 – Jan 2026 below 0.006 µg/l 6 Jan 2026
Perfluorotridecanoic acid 2955 River water 2 Jul 2025 – Jan 2026 below 0.002 µg/l 6 Jan 2026
Perfluoroundecane sulfonic acid 2953 River water 2 Jul 2025 – Jan 2026 below 0.004 µg/l 6 Jan 2026
Perfluoroundecanoic acid 8893 River water 2 Jul 2025 – Jan 2026 below 0.001 µg/l 6 Jan 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.