Leach at B4449, Lechlade

EA name: LEACH AT B4449, LECHLADE
Environment Agency sampling point TH-PUTR0061 · 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 Sep 2026, 09:4121 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
36 since 18 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 422600, 199100As published, to the nearest 100 m (so up to about 70 m out). Open in a map
River, by its own name
Leach
River, by the map
River LeachPlaced on the river its name gives, 6 m from the line.
Next gauge downstream
Buscot Lock On the River Thames · 1.9 km along the river
Nearest gauge upstream
Lechlade On the River Leach · 0.3 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (34 samples)
Monitoring (national agency policy) (2 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

90.6%

Sampled 10 Sep 2026, 21 days ago · 35 results banked

8090100110%20242025202618 Oct 2023, 09:02: 97.5%23 Nov 2023, 10:09: 94.2%12 Dec 2023, 09:52: 94.9%15 Jan 2024, 11:52: 100.7%21 Feb 2024, 09:57: 94.4%19 Mar 2024, 12:49: 102.9%16 Apr 2024, 08:17: 101.6%13 May 2024, 10:52: 100.3%25 Jun 2024, 12:52: 104.1%16 Jul 2024, 09:01: 95.7%28 Aug 2024, 10:01: 95.6%17 Sep 2024, 09:12: 93.3%14 Oct 2024, 10:09: 95.1%25 Nov 2024, 10:23: 90.9%17 Dec 2024, 12:06: 100.2%30 Jan 2025, 09:56: 97.9%18 Feb 2025, 12:00: 103.9%26 Mar 2025, 12:03: 106.1%9 Apr 2025, 11:48: 102.6%2 May 2025, 11:06: 95.1%26 Jun 2025, 10:51: 87.3%29 Jul 2025, 12:16: 88.1%3 Sep 2025, 10:38: 89.2%15 Oct 2025, 11:59: 90.3%7 Nov 2025, 10:34: 84.5%9 Dec 2025, 10:37: 93.3%6 Jan 2026, 12:58: 99.8%10 Feb 2026, 12:57: 102.3%26 Mar 2026, 11:18: 102.2%16 Apr 2026, 09:32: 101.1%13 May 2026, 11:56: 101.9%8 Jun 2026, 11:12: 94.9%22 Jul 2026, 11:26: 96.7%21 Aug 2026, 10:58: 90.2%10 Sep 2026, 09:41: 90.6%
Every result (35)
SampledResult as publishedReads as
10 Sep 2026, 09:4190.6 90.6%
21 Aug 2026, 10:5890.2 90.2%
22 Jul 2026, 11:2696.7 96.7%
8 Jun 2026, 11:1294.9 94.9%
13 May 2026, 11:56101.9 101.9%
16 Apr 2026, 09:32101.1 101.1%
26 Mar 2026, 11:18102.2 102.2%
10 Feb 2026, 12:57102.3 102.3%
6 Jan 2026, 12:5899.8 99.8%
9 Dec 2025, 10:3793.3 93.3%
7 Nov 2025, 10:3484.5 84.5%
15 Oct 2025, 11:5990.3 90.3%
3 Sep 2025, 10:3889.2 89.2%
29 Jul 2025, 12:1688.1 88.1%
26 Jun 2025, 10:5187.3 87.3%
2 May 2025, 11:0695.1 95.1%
9 Apr 2025, 11:48102.6 102.6%
26 Mar 2025, 12:03106.1 106.1%
18 Feb 2025, 12:00103.9 103.9%
30 Jan 2025, 09:5697.9 97.9%
17 Dec 2024, 12:06100.2 100.2%
25 Nov 2024, 10:2390.9 90.9%
14 Oct 2024, 10:0995.1 95.1%
17 Sep 2024, 09:1293.3 93.3%
28 Aug 2024, 10:0195.6 95.6%
16 Jul 2024, 09:0195.7 95.7%
25 Jun 2024, 12:52104.1 104.1%
13 May 2024, 10:52100.3 100.3%
16 Apr 2024, 08:17101.6 101.6%
19 Mar 2024, 12:49102.9 102.9%
21 Feb 2024, 09:5794.4 94.4%
15 Jan 2024, 11:52100.7 100.7%
12 Dec 2023, 09:5294.9 94.9%
23 Nov 2023, 10:0994.2 94.2%
18 Oct 2023, 09:0297.5 97.5%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.35 mg/l

Sampled 10 Sep 2026, 21 days ago · 35 results banked

8101214mg/l20242025202618 Oct 2023, 09:02: 10.8 mg/l23 Nov 2023, 10:09: 10.7 mg/l12 Dec 2023, 09:52: 11.1 mg/l15 Jan 2024, 11:52: 12.7 mg/l21 Feb 2024, 09:57: 10.8 mg/l19 Mar 2024, 12:49: 11.2 mg/l16 Apr 2024, 08:17: 11.6 mg/l13 May 2024, 10:52: 10.4 mg/l25 Jun 2024, 12:52: 10.2 mg/l16 Jul 2024, 09:01: 9.95 mg/l28 Aug 2024, 10:01: 9.53 mg/l17 Sep 2024, 09:12: 9.99 mg/l14 Oct 2024, 10:09: 10.9 mg/l25 Nov 2024, 10:23: 10.4 mg/l17 Dec 2024, 12:06: 11.7 mg/l30 Jan 2025, 09:56: 12 mg/l18 Feb 2025, 12:00: 12.7 mg/l26 Mar 2025, 12:03: 11.5 mg/l9 Apr 2025, 11:48: 11.6 mg/l2 May 2025, 11:06: 9.4 mg/l26 Jun 2025, 10:51: 8.18 mg/l29 Jul 2025, 12:16: 8.44 mg/l3 Sep 2025, 10:38: 8.69 mg/l15 Oct 2025, 11:59: 9.75 mg/l7 Nov 2025, 10:34: 8.94 mg/l9 Dec 2025, 10:37: 10.3 mg/l6 Jan 2026, 12:58: 12.4 mg/l10 Feb 2026, 12:57: 11.7 mg/l26 Mar 2026, 11:18: 12 mg/l16 Apr 2026, 09:32: 11.2 mg/l13 May 2026, 11:56: 11.2 mg/l8 Jun 2026, 11:12: 9.71 mg/l22 Jul 2026, 11:26: 9.11 mg/l21 Aug 2026, 10:58: 8.71 mg/l10 Sep 2026, 09:41: 9.35 mg/l
Every result (35)
SampledResult as publishedReads as
10 Sep 2026, 09:419.35 9.35 mg/l
21 Aug 2026, 10:588.71 8.71 mg/l
22 Jul 2026, 11:269.11 9.11 mg/l
8 Jun 2026, 11:129.71 9.71 mg/l
13 May 2026, 11:5611.2 11.2 mg/l
16 Apr 2026, 09:3211.2 11.2 mg/l
26 Mar 2026, 11:1812 12 mg/l
10 Feb 2026, 12:5711.7 11.7 mg/l
6 Jan 2026, 12:5812.4 12.4 mg/l
9 Dec 2025, 10:3710.3 10.3 mg/l
7 Nov 2025, 10:348.94 8.94 mg/l
15 Oct 2025, 11:599.75 9.75 mg/l
3 Sep 2025, 10:388.69 8.69 mg/l
29 Jul 2025, 12:168.44 8.44 mg/l
26 Jun 2025, 10:518.18 8.18 mg/l
2 May 2025, 11:069.4 9.4 mg/l
9 Apr 2025, 11:4811.6 11.6 mg/l
26 Mar 2025, 12:0311.5 11.5 mg/l
18 Feb 2025, 12:0012.7 12.7 mg/l
30 Jan 2025, 09:5612 12 mg/l
17 Dec 2024, 12:0611.7 11.7 mg/l
25 Nov 2024, 10:2310.4 10.4 mg/l
14 Oct 2024, 10:0910.9 10.9 mg/l
17 Sep 2024, 09:129.99 9.99 mg/l
28 Aug 2024, 10:019.53 9.53 mg/l
16 Jul 2024, 09:019.95 9.95 mg/l
25 Jun 2024, 12:5210.2 10.2 mg/l
13 May 2024, 10:5210.4 10.4 mg/l
16 Apr 2024, 08:1711.6 11.6 mg/l
19 Mar 2024, 12:4911.2 11.2 mg/l
21 Feb 2024, 09:5710.8 10.8 mg/l
15 Jan 2024, 11:5212.7 12.7 mg/l
12 Dec 2023, 09:5211.1 11.1 mg/l
23 Nov 2023, 10:0910.7 10.7 mg/l
18 Oct 2023, 09:0210.8 10.8 mg/l

Water temperature

code 0076 · °C

13.8 °C

Sampled 10 Sep 2026, 21 days ago · 35 results banked

5101520°C20242025202618 Oct 2023, 09:02: 10.7 °C23 Nov 2023, 10:09: 9.7 °C12 Dec 2023, 09:52: 8.5 °C15 Jan 2024, 11:52: 5.5 °C21 Feb 2024, 09:57: 9.5 °C19 Mar 2024, 12:49: 11.5 °C16 Apr 2024, 08:17: 9.3 °C13 May 2024, 10:52: 13.6 °C25 Jun 2024, 12:52: 16.4 °C16 Jul 2024, 09:01: 13.5 °C28 Aug 2024, 10:01: 15.4 °C17 Sep 2024, 09:12: 12.2 °C14 Oct 2024, 10:09: 9.4 °C25 Nov 2024, 10:23: 9.5 °C17 Dec 2024, 12:06: 8.5 °C30 Jan 2025, 09:56: 6.4 °C18 Feb 2025, 12:00: 6.6 °C26 Mar 2025, 12:03: 11.5 °C9 Apr 2025, 11:48: 9.9 °C2 May 2025, 11:06: 15.8 °C26 Jun 2025, 10:51: 18.4 °C29 Jul 2025, 12:16: 17.3 °C3 Sep 2025, 10:38: 16.5 °C15 Oct 2025, 11:59: 11.8 °C7 Nov 2025, 10:34: 12.7 °C9 Dec 2025, 10:37: 10.8 °C6 Jan 2026, 12:58: 5.9 °C10 Feb 2026, 12:57: 9.3 °C26 Mar 2026, 11:18: 8.2 °C16 Apr 2026, 09:32: 10.8 °C13 May 2026, 11:56: 11 °C8 Jun 2026, 11:12: 14.2 °C22 Jul 2026, 11:26: 18.1 °C21 Aug 2026, 10:58: 16.9 °C10 Sep 2026, 09:41: 13.8 °C
Every result (35)
SampledResult as publishedReads as
10 Sep 2026, 09:4113.8 13.8 °C
21 Aug 2026, 10:5816.9 16.9 °C
22 Jul 2026, 11:2618.1 18.1 °C
8 Jun 2026, 11:1214.2 14.2 °C
13 May 2026, 11:5611 11 °C
16 Apr 2026, 09:3210.8 10.8 °C
26 Mar 2026, 11:188.2 8.2 °C
10 Feb 2026, 12:579.3 9.3 °C
6 Jan 2026, 12:585.9 5.9 °C
9 Dec 2025, 10:3710.8 10.8 °C
7 Nov 2025, 10:3412.7 12.7 °C
15 Oct 2025, 11:5911.8 11.8 °C
3 Sep 2025, 10:3816.5 16.5 °C
29 Jul 2025, 12:1617.3 17.3 °C
26 Jun 2025, 10:5118.4 18.4 °C
2 May 2025, 11:0615.8 15.8 °C
9 Apr 2025, 11:489.9 9.9 °C
26 Mar 2025, 12:0311.5 11.5 °C
18 Feb 2025, 12:006.6 6.6 °C
30 Jan 2025, 09:566.4 6.4 °C
17 Dec 2024, 12:068.5 8.5 °C
25 Nov 2024, 10:239.5 9.5 °C
14 Oct 2024, 10:099.4 9.4 °C
17 Sep 2024, 09:1212.2 12.2 °C
28 Aug 2024, 10:0115.4 15.4 °C
16 Jul 2024, 09:0113.5 13.5 °C
25 Jun 2024, 12:5216.4 16.4 °C
13 May 2024, 10:5213.6 13.6 °C
16 Apr 2024, 08:179.3 9.3 °C
19 Mar 2024, 12:4911.5 11.5 °C
21 Feb 2024, 09:579.5 9.5 °C
15 Jan 2024, 11:525.5 5.5 °C
12 Dec 2023, 09:528.5 8.5 °C
23 Nov 2023, 10:099.7 9.7 °C
18 Oct 2023, 09:0210.7 10.7 °C

pH

code 0061

8.25

Sampled 10 Sep 2026, 21 days ago · 35 results banked

7.888.28.420242025202618 Oct 2023, 09:02: 8.0723 Nov 2023, 10:09: 8.0212 Dec 2023, 09:52: 8.0815 Jan 2024, 11:52: 8.2621 Feb 2024, 09:57: 8.2119 Mar 2024, 12:49: 8.0916 Apr 2024, 08:17: 8.1113 May 2024, 10:52: 8.3625 Jun 2024, 12:52: 8.0516 Jul 2024, 09:01: 8.1728 Aug 2024, 10:01: 8.0617 Sep 2024, 09:12: 8.0914 Oct 2024, 10:09: 8.0425 Nov 2024, 10:23: 7.8917 Dec 2024, 12:06: 8.0830 Jan 2025, 09:56: 8.1518 Feb 2025, 12:00: 8.2326 Mar 2025, 12:03: 8.249 Apr 2025, 11:48: 8.252 May 2025, 11:06: 8.1626 Jun 2025, 10:51: 7.9929 Jul 2025, 12:16: 7.963 Sep 2025, 10:38: 815 Oct 2025, 11:59: 8.127 Nov 2025, 10:34: 7.999 Dec 2025, 10:37: 8.036 Jan 2026, 12:58: 8.210 Feb 2026, 12:57: 8.2226 Mar 2026, 11:18: 8.2716 Apr 2026, 09:32: 8.1213 May 2026, 11:56: 8.28 Jun 2026, 11:12: 8.3422 Jul 2026, 11:26: 8.0621 Aug 2026, 10:58: 8.110 Sep 2026, 09:41: 8.25
Every result (35)
SampledResult as publishedReads as
10 Sep 2026, 09:418.25 8.25
21 Aug 2026, 10:588.1 8.1
22 Jul 2026, 11:268.06 8.06
8 Jun 2026, 11:128.34 8.34
13 May 2026, 11:568.2 8.2
16 Apr 2026, 09:328.12 8.12
26 Mar 2026, 11:188.27 8.27
10 Feb 2026, 12:578.22 8.22
6 Jan 2026, 12:588.2 8.2
9 Dec 2025, 10:378.03 8.03
7 Nov 2025, 10:347.99 7.99
15 Oct 2025, 11:598.12 8.12
3 Sep 2025, 10:388 8
29 Jul 2025, 12:167.96 7.96
26 Jun 2025, 10:517.99 7.99
2 May 2025, 11:068.16 8.16
9 Apr 2025, 11:488.25 8.25
26 Mar 2025, 12:038.24 8.24
18 Feb 2025, 12:008.23 8.23
30 Jan 2025, 09:568.15 8.15
17 Dec 2024, 12:068.08 8.08
25 Nov 2024, 10:237.89 7.89
14 Oct 2024, 10:098.04 8.04
17 Sep 2024, 09:128.09 8.09
28 Aug 2024, 10:018.06 8.06
16 Jul 2024, 09:018.17 8.17
25 Jun 2024, 12:528.05 8.05
13 May 2024, 10:528.36 8.36
16 Apr 2024, 08:178.11 8.11
19 Mar 2024, 12:498.09 8.09
21 Feb 2024, 09:578.21 8.21
15 Jan 2024, 11:528.26 8.26
12 Dec 2023, 09:528.08 8.08
23 Nov 2023, 10:098.02 8.02
18 Oct 2023, 09:028.07 8.07

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 10 Sep 2026, 21 days ago · 36 results banked

0.020.040.060.080.1mg/l20242025202618 Oct 2023, 09:02: below 0.03 mg/l (not detected above this)23 Nov 2023, 10:09: below 0.03 mg/l (not detected above this)12 Dec 2023, 09:52: below 0.03 mg/l (not detected above this)15 Jan 2024, 11:52: below 0.03 mg/l (not detected above this)21 Feb 2024, 09:57: below 0.03 mg/l (not detected above this)19 Mar 2024, 12:49: below 0.03 mg/l (not detected above this)16 Apr 2024, 08:17: below 0.03 mg/l (not detected above this)13 May 2024, 10:52: below 0.03 mg/l (not detected above this)25 Jun 2024, 12:52: below 0.03 mg/l (not detected above this)16 Jul 2024, 09:01: below 0.03 mg/l (not detected above this)28 Aug 2024, 10:01: below 0.03 mg/l (not detected above this)17 Sep 2024, 09:12: below 0.03 mg/l (not detected above this)14 Oct 2024, 10:09: below 0.03 mg/l (not detected above this)25 Nov 2024, 10:23: 0.057 mg/l17 Dec 2024, 12:06: below 0.03 mg/l (not detected above this)30 Jan 2025, 09:56: below 0.03 mg/l (not detected above this)18 Feb 2025, 12:00: 0.085 mg/l26 Mar 2025, 12:03: below 0.03 mg/l (not detected above this)9 Apr 2025, 11:48: below 0.03 mg/l (not detected above this)2 May 2025, 11:06: below 0.03 mg/l (not detected above this)26 Jun 2025, 10:51: below 0.03 mg/l (not detected above this)29 Jul 2025, 12:16: below 0.03 mg/l (not detected above this)15 Aug 2025, 13:21: below 0.03 mg/l (not detected above this)3 Sep 2025, 10:38: below 0.03 mg/l (not detected above this)15 Oct 2025, 11:59: below 0.03 mg/l (not detected above this)7 Nov 2025, 10:34: below 0.03 mg/l (not detected above this)9 Dec 2025, 10:37: below 0.03 mg/l (not detected above this)6 Jan 2026, 12:58: below 0.03 mg/l (not detected above this)10 Feb 2026, 12:57: below 0.03 mg/l (not detected above this)26 Mar 2026, 11:18: below 0.03 mg/l (not detected above this)16 Apr 2026, 09:32: below 0.03 mg/l (not detected above this)13 May 2026, 11:56: below 0.03 mg/l (not detected above this)8 Jun 2026, 11:12: below 0.03 mg/l (not detected above this)22 Jul 2026, 11:26: below 0.03 mg/l (not detected above this)21 Aug 2026, 10:58: below 0.03 mg/l (not detected above this)10 Sep 2026, 09:41: below 0.03 mg/l (not detected above this)
Every result (36)
SampledResult as publishedReads as
10 Sep 2026, 09:41<0.03 below 0.03 mg/l (not detected above this)
21 Aug 2026, 10:58<0.03 below 0.03 mg/l (not detected above this)
22 Jul 2026, 11:26<0.03 below 0.03 mg/l (not detected above this)
8 Jun 2026, 11:12<0.03 below 0.03 mg/l (not detected above this)
13 May 2026, 11:56<0.03 below 0.03 mg/l (not detected above this)
16 Apr 2026, 09:32<0.03 below 0.03 mg/l (not detected above this)
26 Mar 2026, 11:18<0.03 below 0.03 mg/l (not detected above this)
10 Feb 2026, 12:57<0.03 below 0.03 mg/l (not detected above this)
6 Jan 2026, 12:58<0.03 below 0.03 mg/l (not detected above this)
9 Dec 2025, 10:37<0.03 below 0.03 mg/l (not detected above this)
7 Nov 2025, 10:34<0.03 below 0.03 mg/l (not detected above this)
15 Oct 2025, 11:59<0.03 below 0.03 mg/l (not detected above this)
3 Sep 2025, 10:38<0.03 below 0.03 mg/l (not detected above this)
15 Aug 2025, 13:21<0.03 below 0.03 mg/l (not detected above this)
29 Jul 2025, 12:16<0.03 below 0.03 mg/l (not detected above this)
26 Jun 2025, 10:51<0.03 below 0.03 mg/l (not detected above this)
2 May 2025, 11:06<0.03 below 0.03 mg/l (not detected above this)
9 Apr 2025, 11:48<0.03 below 0.03 mg/l (not detected above this)
26 Mar 2025, 12:03<0.03 below 0.03 mg/l (not detected above this)
18 Feb 2025, 12:000.085 0.085 mg/l
30 Jan 2025, 09:56<0.03 below 0.03 mg/l (not detected above this)
17 Dec 2024, 12:06<0.03 below 0.03 mg/l (not detected above this)
25 Nov 2024, 10:230.057 0.057 mg/l
14 Oct 2024, 10:09<0.03 below 0.03 mg/l (not detected above this)
17 Sep 2024, 09:12<0.03 below 0.03 mg/l (not detected above this)
28 Aug 2024, 10:01<0.03 below 0.03 mg/l (not detected above this)
16 Jul 2024, 09:01<0.03 below 0.03 mg/l (not detected above this)
25 Jun 2024, 12:52<0.03 below 0.03 mg/l (not detected above this)
13 May 2024, 10:52<0.03 below 0.03 mg/l (not detected above this)
16 Apr 2024, 08:17<0.03 below 0.03 mg/l (not detected above this)
19 Mar 2024, 12:49<0.03 below 0.03 mg/l (not detected above this)
21 Feb 2024, 09:57<0.03 below 0.03 mg/l (not detected above this)
15 Jan 2024, 11:52<0.03 below 0.03 mg/l (not detected above this)
12 Dec 2023, 09:52<0.03 below 0.03 mg/l (not detected above this)
23 Nov 2023, 10:09<0.03 below 0.03 mg/l (not detected above this)
18 Oct 2023, 09:02<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

6.5 mg/l

Sampled 10 Sep 2026, 21 days ago · 36 results banked

246810mg/l20242025202618 Oct 2023, 09:02: 5.79 mg/l23 Nov 2023, 10:09: 7.49 mg/l12 Dec 2023, 09:52: 7.39 mg/l15 Jan 2024, 11:52: 8.19 mg/l21 Feb 2024, 09:57: 7.69 mg/l19 Mar 2024, 12:49: 7.49 mg/l16 Apr 2024, 08:17: 7.69 mg/l13 May 2024, 10:52: 7.59 mg/l25 Jun 2024, 12:52: 6.79 mg/l16 Jul 2024, 09:01: 6.29 mg/l28 Aug 2024, 10:01: 6.09 mg/l17 Sep 2024, 09:12: 5.89 mg/l14 Oct 2024, 10:09: 6.39 mg/l25 Nov 2024, 10:23: 3.99 mg/l17 Dec 2024, 12:06: 6.89 mg/l30 Jan 2025, 09:56: 7.2 mg/l18 Feb 2025, 12:00: 7.29 mg/l26 Mar 2025, 12:03: 7.29 mg/l9 Apr 2025, 11:48: 7.19 mg/l2 May 2025, 11:06: 6.59 mg/l26 Jun 2025, 10:51: 6.59 mg/l29 Jul 2025, 12:16: 5.59 mg/l15 Aug 2025, 13:21: 6.59 mg/l3 Sep 2025, 10:38: 6.09 mg/l15 Oct 2025, 11:59: 6.49 mg/l7 Nov 2025, 10:34: 5.39 mg/l9 Dec 2025, 10:37: 6.7 mg/l6 Jan 2026, 12:58: 8.09 mg/l10 Feb 2026, 12:57: 7.79 mg/l26 Mar 2026, 11:18: 7.8 mg/l16 Apr 2026, 09:32: 7.2 mg/l13 May 2026, 11:56: 6.89 mg/l8 Jun 2026, 11:12: 6.09 mg/l22 Jul 2026, 11:26: 7.09 mg/l21 Aug 2026, 10:58: 8.19 mg/l10 Sep 2026, 09:41: 6.5 mg/l
Every result (36)
SampledResult as publishedReads as
10 Sep 2026, 09:416.5 6.5 mg/l
21 Aug 2026, 10:588.19 8.19 mg/l
22 Jul 2026, 11:267.09 7.09 mg/l
8 Jun 2026, 11:126.09 6.09 mg/l
13 May 2026, 11:566.89 6.89 mg/l
16 Apr 2026, 09:327.2 7.2 mg/l
26 Mar 2026, 11:187.8 7.8 mg/l
10 Feb 2026, 12:577.79 7.79 mg/l
6 Jan 2026, 12:588.09 8.09 mg/l
9 Dec 2025, 10:376.7 6.7 mg/l
7 Nov 2025, 10:345.39 5.39 mg/l
15 Oct 2025, 11:596.49 6.49 mg/l
3 Sep 2025, 10:386.09 6.09 mg/l
15 Aug 2025, 13:216.59 6.59 mg/l
29 Jul 2025, 12:165.59 5.59 mg/l
26 Jun 2025, 10:516.59 6.59 mg/l
2 May 2025, 11:066.59 6.59 mg/l
9 Apr 2025, 11:487.19 7.19 mg/l
26 Mar 2025, 12:037.29 7.29 mg/l
18 Feb 2025, 12:007.29 7.29 mg/l
30 Jan 2025, 09:567.2 7.2 mg/l
17 Dec 2024, 12:066.89 6.89 mg/l
25 Nov 2024, 10:233.99 3.99 mg/l
14 Oct 2024, 10:096.39 6.39 mg/l
17 Sep 2024, 09:125.89 5.89 mg/l
28 Aug 2024, 10:016.09 6.09 mg/l
16 Jul 2024, 09:016.29 6.29 mg/l
25 Jun 2024, 12:526.79 6.79 mg/l
13 May 2024, 10:527.59 7.59 mg/l
16 Apr 2024, 08:177.69 7.69 mg/l
19 Mar 2024, 12:497.49 7.49 mg/l
21 Feb 2024, 09:577.69 7.69 mg/l
15 Jan 2024, 11:528.19 8.19 mg/l
12 Dec 2023, 09:527.39 7.39 mg/l
23 Nov 2023, 10:097.49 7.49 mg/l
18 Oct 2023, 09:025.79 5.79 mg/l

Phosphate

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

0.28 mg/l

Sampled 10 Sep 2026, 21 days ago · 36 results banked

00.20.40.6mg/l20242025202618 Oct 2023, 09:02: 0.074 mg/l23 Nov 2023, 10:09: 0.011 mg/l12 Dec 2023, 09:52: 0.02 mg/l15 Jan 2024, 11:52: 0.017 mg/l21 Feb 2024, 09:57: 0.017 mg/l19 Mar 2024, 12:49: 0.012 mg/l16 Apr 2024, 08:17: below 0.01 mg/l (not detected above this)13 May 2024, 10:52: 0.011 mg/l25 Jun 2024, 12:52: 0.071 mg/l16 Jul 2024, 09:01: 0.092 mg/l28 Aug 2024, 10:01: 0.19 mg/l17 Sep 2024, 09:12: 0.049 mg/l14 Oct 2024, 10:09: below 0.01 mg/l (not detected above this)25 Nov 2024, 10:23: 0.051 mg/l17 Dec 2024, 12:06: 0.014 mg/l30 Jan 2025, 09:56: 0.015 mg/l18 Feb 2025, 12:00: 0.011 mg/l26 Mar 2025, 12:03: 0.011 mg/l9 Apr 2025, 11:48: 0.024 mg/l2 May 2025, 11:06: 0.054 mg/l26 Jun 2025, 10:51: 0.21 mg/l29 Jul 2025, 12:16: 0.31 mg/l15 Aug 2025, 13:21: 0.48 mg/l3 Sep 2025, 10:38: 0.39 mg/l15 Oct 2025, 11:59: 0.27 mg/l7 Nov 2025, 10:34: 0.27 mg/l9 Dec 2025, 10:37: 0.019 mg/l6 Jan 2026, 12:58: 0.025 mg/l10 Feb 2026, 12:57: 0.01 mg/l26 Mar 2026, 11:18: 0.02 mg/l16 Apr 2026, 09:32: 0.032 mg/l13 May 2026, 11:56: 0.064 mg/l8 Jun 2026, 11:12: 0.07 mg/l22 Jul 2026, 11:26: 0.28 mg/l21 Aug 2026, 10:58: 0.43 mg/l10 Sep 2026, 09:41: 0.28 mg/l
Every result (36)
SampledResult as publishedReads as
10 Sep 2026, 09:410.28 0.28 mg/l
21 Aug 2026, 10:580.43 0.43 mg/l
22 Jul 2026, 11:260.28 0.28 mg/l
8 Jun 2026, 11:120.07 0.07 mg/l
13 May 2026, 11:560.064 0.064 mg/l
16 Apr 2026, 09:320.032 0.032 mg/l
26 Mar 2026, 11:180.02 0.02 mg/l
10 Feb 2026, 12:570.01 0.01 mg/l
6 Jan 2026, 12:580.025 0.025 mg/l
9 Dec 2025, 10:370.019 0.019 mg/l
7 Nov 2025, 10:340.27 0.27 mg/l
15 Oct 2025, 11:590.27 0.27 mg/l
3 Sep 2025, 10:380.39 0.39 mg/l
15 Aug 2025, 13:210.48 0.48 mg/l
29 Jul 2025, 12:160.31 0.31 mg/l
26 Jun 2025, 10:510.21 0.21 mg/l
2 May 2025, 11:060.054 0.054 mg/l
9 Apr 2025, 11:480.024 0.024 mg/l
26 Mar 2025, 12:030.011 0.011 mg/l
18 Feb 2025, 12:000.011 0.011 mg/l
30 Jan 2025, 09:560.015 0.015 mg/l
17 Dec 2024, 12:060.014 0.014 mg/l
25 Nov 2024, 10:230.051 0.051 mg/l
14 Oct 2024, 10:09<0.01 below 0.01 mg/l (not detected above this)
17 Sep 2024, 09:120.049 0.049 mg/l
28 Aug 2024, 10:010.19 0.19 mg/l
16 Jul 2024, 09:010.092 0.092 mg/l
25 Jun 2024, 12:520.071 0.071 mg/l
13 May 2024, 10:520.011 0.011 mg/l
16 Apr 2024, 08:17<0.01 below 0.01 mg/l (not detected above this)
19 Mar 2024, 12:490.012 0.012 mg/l
21 Feb 2024, 09:570.017 0.017 mg/l
15 Jan 2024, 11:520.017 0.017 mg/l
12 Dec 2023, 09:520.02 0.02 mg/l
23 Nov 2023, 10:090.011 0.011 mg/l
18 Oct 2023, 09:020.074 0.074 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

580 µS/cm

Sampled 10 Sep 2026, 21 days ago · 35 results banked

400500600700µS/cm20242025202618 Oct 2023, 09:02: 597 µS/cm23 Nov 2023, 10:09: 591 µS/cm12 Dec 2023, 09:52: 574 µS/cm15 Jan 2024, 11:52: 583 µS/cm21 Feb 2024, 09:57: 570 µS/cm19 Mar 2024, 12:49: 573 µS/cm16 Apr 2024, 08:17: 575 µS/cm13 May 2024, 10:52: 591 µS/cm25 Jun 2024, 12:52: 579 µS/cm16 Jul 2024, 09:01: 576 µS/cm28 Aug 2024, 10:01: 573 µS/cm17 Sep 2024, 09:12: 576 µS/cm14 Oct 2024, 10:09: 574 µS/cm25 Nov 2024, 10:23: 417 µS/cm17 Dec 2024, 12:06: 587 µS/cm30 Jan 2025, 09:56: 560 µS/cm18 Feb 2025, 12:00: 598 µS/cm26 Mar 2025, 12:03: 588 µS/cm9 Apr 2025, 11:48: 578 µS/cm2 May 2025, 11:06: 561 µS/cm26 Jun 2025, 10:51: 579 µS/cm29 Jul 2025, 12:16: 557 µS/cm3 Sep 2025, 10:38: 582 µS/cm15 Oct 2025, 11:59: 624 µS/cm7 Nov 2025, 10:34: 623 µS/cm9 Dec 2025, 10:37: 562 µS/cm6 Jan 2026, 12:58: 585 µS/cm10 Feb 2026, 12:57: 562 µS/cm26 Mar 2026, 11:18: 584 µS/cm16 Apr 2026, 09:32: 580 µS/cm13 May 2026, 11:56: 582 µS/cm8 Jun 2026, 11:12: 566 µS/cm22 Jul 2026, 11:26: 581 µS/cm21 Aug 2026, 10:58: 591 µS/cm10 Sep 2026, 09:41: 580 µS/cm
Every result (35)
SampledResult as publishedReads as
10 Sep 2026, 09:41580 580 µS/cm
21 Aug 2026, 10:58591 591 µS/cm
22 Jul 2026, 11:26581 581 µS/cm
8 Jun 2026, 11:12566 566 µS/cm
13 May 2026, 11:56582 582 µS/cm
16 Apr 2026, 09:32580 580 µS/cm
26 Mar 2026, 11:18584 584 µS/cm
10 Feb 2026, 12:57562 562 µS/cm
6 Jan 2026, 12:58585 585 µS/cm
9 Dec 2025, 10:37562 562 µS/cm
7 Nov 2025, 10:34623 623 µS/cm
15 Oct 2025, 11:59624 624 µS/cm
3 Sep 2025, 10:38582 582 µS/cm
29 Jul 2025, 12:16557 557 µS/cm
26 Jun 2025, 10:51579 579 µS/cm
2 May 2025, 11:06561 561 µS/cm
9 Apr 2025, 11:48578 578 µS/cm
26 Mar 2025, 12:03588 588 µS/cm
18 Feb 2025, 12:00598 598 µS/cm
30 Jan 2025, 09:56560 560 µS/cm
17 Dec 2024, 12:06587 587 µS/cm
25 Nov 2024, 10:23417 417 µS/cm
14 Oct 2024, 10:09574 574 µS/cm
17 Sep 2024, 09:12576 576 µS/cm
28 Aug 2024, 10:01573 573 µS/cm
16 Jul 2024, 09:01576 576 µS/cm
25 Jun 2024, 12:52579 579 µS/cm
13 May 2024, 10:52591 591 µS/cm
16 Apr 2024, 08:17575 575 µS/cm
19 Mar 2024, 12:49573 573 µS/cm
21 Feb 2024, 09:57570 570 µS/cm
15 Jan 2024, 11:52583 583 µS/cm
12 Dec 2023, 09:52574 574 µS/cm
23 Nov 2023, 10:09591 591 µS/cm
18 Oct 2023, 09:02597 597 µS/cm

Everything measured here

57 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 57 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 35 Oct 2023 – Sep 2026 90.6% 10 Sep 2026
Oxygen, Dissolved as O2 9924 River water 35 Oct 2023 – Sep 2026 9.35 mg/l 10 Sep 2026
Temperature of Water 0076 River water 35 Oct 2023 – Sep 2026 13.8 °C 10 Sep 2026
pH 0061 River water 35 Oct 2023 – Sep 2026 8.25 10 Sep 2026
Ammoniacal Nitrogen as N 0111 River water 36 Oct 2023 – Sep 2026 below 0.03 mg/l 10 Sep 2026
Nitrate as N 0117 River water 36 Oct 2023 – Sep 2026 6.5 mg/l 10 Sep 2026
Orthophosphate, reactive as P 0180 River water 36 Oct 2023 – Sep 2026 0.28 mg/l 10 Sep 2026
Conductivity at 25 C 0077 River water 35 Oct 2023 – Sep 2026 580 µS/cm 10 Sep 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 2024
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
3-Perfluoroheptylpropanoic acid 2925 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Nov 2024 – Nov 2024 below 0.004 µg/l 25 Nov 2024
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Nov 2024 – Nov 2024 below 0.005 µg/l 25 Nov 2024
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Alkalinity to pH 4.5 as CaCO3 0162 River water 36 Oct 2023 – Sep 2026 220 mg/l 10 Sep 2026
Ammonia un-ionised as N 0119 River water 35 Oct 2023 – Sep 2026 below 0.00072 mg/l 10 Sep 2026
BOD : 5 Day ATU 0085 River water 29 Oct 2023 – Mar 2026 1.7 mg/l 26 Mar 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 2024
N-methylperfluorooctanesulfonamide 2975 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 2024
Nitrite as N 0118 River water 36 Oct 2023 – Sep 2026 0.0041 mg/l 10 Sep 2026
Nitrogen, Total Oxidised as N 0116 River water 36 Oct 2023 – Sep 2026 6.5 mg/l 10 Sep 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorodecanesulfonic acid 2969 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 2024
Perfluorodecanoic acid 8892 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 2024
Perfluorododecane sulfonic acid 2968 River water 1 Nov 2024 – Nov 2024 below 0.005 µg/l 25 Nov 2024
Perfluorododecanoic acid 8894 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 2024
Perfluoroheptanesulfonic acid 2967 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluoroheptanoic acid 8889 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
Perfluorohexanesulfonamide 2965 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorohexanesulfonic acid (B) 2944 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorohexanesulfonic acid (L) 2964 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorohexanoic acid 8888 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorononanesulfonic acid 2963 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorononanoic acid 8891 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
Perfluorooctadecanoic acid 2962 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 2024
Perfluorooctanesulfonamide 2961 River water 1 Nov 2024 – Nov 2024 below 0.001 µg/l 25 Nov 2024
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluorooctanoic acid 8890 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluoropentanesulfonic acid 2957 River water 1 Nov 2024 – Nov 2024 below 0.0005 µg/l 25 Nov 2024
Perfluoropentanoic acid 8887 River water 1 Nov 2024 – Nov 2024 0.0019 µg/l 25 Nov 2024
Perfluorotetradecanoic acid 8895 River water 1 Nov 2024 – Nov 2024 below 0.006 µg/l 25 Nov 2024
Perfluorotridecanoic acid 2955 River water 1 Nov 2024 – Nov 2024 below 0.005 µg/l 25 Nov 2024
Perfluoroundecane sulfonic acid 2953 River water 1 Nov 2024 – Nov 2024 below 0.004 µg/l 25 Nov 2024
Perfluoroundecanoic acid 8893 River water 1 Nov 2024 – Nov 2024 below 0.002 µg/l 25 Nov 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.