St Leonards - Hatchet Stream

EA name: ST LEONARDS - HATCHET STREAM (also listed as “HATCHET STREAM AT ST LEONARDS”)
Environment Agency sampling point SO-G0004151 · 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
8 Sep 2026, 12:4023 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
36 since 16 Oct 2023 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 440652, 98426As published, to the nearest 1 m. Open in a map
River, by its own name
St Leonards
River, by the map
An unnamed streamPlaced by position alone (the only river line close by), 1 m from the line.
Next gauge downstream
None tracedThe map stops before any gauge.
Why it was sampled
Monitoring (national agency policy) (36 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

79%

Sampled 8 Sep 2026, 23 days ago · 36 results banked

6080100120140%20242025202616 Oct 2023, 12:45: 87.8%24 Nov 2023, 09:56: 75.2%8 Dec 2023, 11:41: 86.8%15 Jan 2024, 13:10: 91.2%19 Feb 2024, 13:53: 96.3%18 Mar 2024, 09:04: 88.4%26 Apr 2024, 14:02: 116.6%17 May 2024, 12:33: 132.9%19 Jun 2024, 08:59: 71.1%15 Jul 2024, 10:27: 65%7 Aug 2024, 15:55: 117.1%26 Sep 2024, 13:21: 91.9%30 Oct 2024, 10:49: 81.1%19 Nov 2024, 12:27: 85.8%6 Dec 2024, 13:52: 94.4%22 Jan 2025, 09:52: 93.1%18 Feb 2025, 13:47: 103.8%20 Mar 2025, 15:06: 120.2%10 Apr 2025, 12:48: 129.1%1 May 2025, 11:48: 105.2%4 Jun 2025, 11:05: 70.3%31 Jul 2025, 10:26: 66.8%15 Aug 2025, 08:48: 71.2%11 Sep 2025, 10:33: 79.3%9 Oct 2025, 09:26: 77.4%13 Nov 2025, 13:51: 80.3%10 Dec 2025, 09:51: 81%23 Feb 2026, 11:01: 101%25 Feb 2026, 13:02: 114.3%18 Mar 2026, 10:21: 99.7%9 Apr 2026, 14:50: 120.5%7 May 2026, 13:57: 104.8%12 Jun 2026, 12:29: 82.1%10 Jul 2026, 12:50: 88.9%11 Aug 2026, 11:53: 93.3%8 Sep 2026, 12:40: 79%
Every result (36)
SampledResult as publishedReads as
8 Sep 2026, 12:4079 79%
11 Aug 2026, 11:5393.3 93.3%
10 Jul 2026, 12:5088.9 88.9%
12 Jun 2026, 12:2982.1 82.1%
7 May 2026, 13:57104.8 104.8%
9 Apr 2026, 14:50120.5 120.5%
18 Mar 2026, 10:2199.7 99.7%
25 Feb 2026, 13:02114.3 114.3%
23 Feb 2026, 11:01101 101%
10 Dec 2025, 09:5181 81%
13 Nov 2025, 13:5180.3 80.3%
9 Oct 2025, 09:2677.4 77.4%
11 Sep 2025, 10:3379.3 79.3%
15 Aug 2025, 08:4871.2 71.2%
31 Jul 2025, 10:2666.8 66.8%
4 Jun 2025, 11:0570.3 70.3%
1 May 2025, 11:48105.2 105.2%
10 Apr 2025, 12:48129.1 129.1%
20 Mar 2025, 15:06120.2 120.2%
18 Feb 2025, 13:47103.8 103.8%
22 Jan 2025, 09:5293.1 93.1%
6 Dec 2024, 13:5294.4 94.4%
19 Nov 2024, 12:2785.8 85.8%
30 Oct 2024, 10:4981.1 81.1%
26 Sep 2024, 13:2191.9 91.9%
7 Aug 2024, 15:55117.1 117.1%
15 Jul 2024, 10:2765 65%
19 Jun 2024, 08:5971.1 71.1%
17 May 2024, 12:33132.9 132.9%
26 Apr 2024, 14:02116.6 116.6%
18 Mar 2024, 09:0488.4 88.4%
19 Feb 2024, 13:5396.3 96.3%
15 Jan 2024, 13:1091.2 91.2%
8 Dec 2023, 11:4186.8 86.8%
24 Nov 2023, 09:5675.2 75.2%
16 Oct 2023, 12:4587.8 87.8%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.73 mg/l

Sampled 8 Sep 2026, 23 days ago · 36 results banked

6810121416mg/l20242025202616 Oct 2023, 12:45: 10.1 mg/l24 Nov 2023, 09:56: 8.66 mg/l8 Dec 2023, 11:41: 10.5 mg/l15 Jan 2024, 13:10: 11.9 mg/l19 Feb 2024, 13:53: 10.6 mg/l18 Mar 2024, 09:04: 9.87 mg/l26 Apr 2024, 14:02: 12.4 mg/l17 May 2024, 12:33: 12.4 mg/l19 Jun 2024, 08:59: 7.25 mg/l15 Jul 2024, 10:27: 6.52 mg/l7 Aug 2024, 15:55: 10.7 mg/l26 Sep 2024, 13:21: 9.01 mg/l30 Oct 2024, 10:49: 8.47 mg/l19 Nov 2024, 12:27: 9.76 mg/l6 Dec 2024, 13:52: 11 mg/l22 Jan 2025, 09:52: 11.7 mg/l18 Feb 2025, 13:47: 13 mg/l20 Mar 2025, 15:06: 12.7 mg/l10 Apr 2025, 12:48: 14.1 mg/l1 May 2025, 11:48: 10.5 mg/l4 Jun 2025, 11:05: 7.31 mg/l31 Jul 2025, 10:26: 6.48 mg/l15 Aug 2025, 08:48: 7.01 mg/l11 Sep 2025, 10:33: 8.1 mg/l9 Oct 2025, 09:26: 8.58 mg/l13 Nov 2025, 13:51: 8.33 mg/l10 Dec 2025, 09:51: 9.04 mg/l23 Feb 2026, 11:01: 11.6 mg/l25 Feb 2026, 13:02: 12.6 mg/l18 Mar 2026, 10:21: 11.4 mg/l9 Apr 2026, 14:50: 12.4 mg/l7 May 2026, 13:57: 10.4 mg/l12 Jun 2026, 12:29: 8.24 mg/l10 Jul 2026, 12:50: 7.74 mg/l11 Aug 2026, 11:53: 8.86 mg/l8 Sep 2026, 12:40: 7.73 mg/l
Every result (36)
SampledResult as publishedReads as
8 Sep 2026, 12:407.73 7.73 mg/l
11 Aug 2026, 11:538.86 8.86 mg/l
10 Jul 2026, 12:507.74 7.74 mg/l
12 Jun 2026, 12:298.24 8.24 mg/l
7 May 2026, 13:5710.4 10.4 mg/l
9 Apr 2026, 14:5012.4 12.4 mg/l
18 Mar 2026, 10:2111.4 11.4 mg/l
25 Feb 2026, 13:0212.6 12.6 mg/l
23 Feb 2026, 11:0111.6 11.6 mg/l
10 Dec 2025, 09:519.04 9.04 mg/l
13 Nov 2025, 13:518.33 8.33 mg/l
9 Oct 2025, 09:268.58 8.58 mg/l
11 Sep 2025, 10:338.1 8.1 mg/l
15 Aug 2025, 08:487.01 7.01 mg/l
31 Jul 2025, 10:266.48 6.48 mg/l
4 Jun 2025, 11:057.31 7.31 mg/l
1 May 2025, 11:4810.5 10.5 mg/l
10 Apr 2025, 12:4814.1 14.1 mg/l
20 Mar 2025, 15:0612.7 12.7 mg/l
18 Feb 2025, 13:4713 13 mg/l
22 Jan 2025, 09:5211.7 11.7 mg/l
6 Dec 2024, 13:5211 11 mg/l
19 Nov 2024, 12:279.76 9.76 mg/l
30 Oct 2024, 10:498.47 8.47 mg/l
26 Sep 2024, 13:219.01 9.01 mg/l
7 Aug 2024, 15:5510.7 10.7 mg/l
15 Jul 2024, 10:276.52 6.52 mg/l
19 Jun 2024, 08:597.25 7.25 mg/l
17 May 2024, 12:3312.4 12.4 mg/l
26 Apr 2024, 14:0212.4 12.4 mg/l
18 Mar 2024, 09:049.87 9.87 mg/l
19 Feb 2024, 13:5310.6 10.6 mg/l
15 Jan 2024, 13:1011.9 11.9 mg/l
8 Dec 2023, 11:4110.5 10.5 mg/l
24 Nov 2023, 09:568.66 8.66 mg/l
16 Oct 2023, 12:4510.1 10.1 mg/l

Water temperature

code 0076 · °C

16.3 °C

Sampled 8 Sep 2026, 23 days ago · 36 results banked

0510152025°C20242025202616 Oct 2023, 12:45: 9.3 °C24 Nov 2023, 09:56: 9.1 °C8 Dec 2023, 11:41: 7.1 °C15 Jan 2024, 13:10: 4 °C19 Feb 2024, 13:53: 11.1 °C18 Mar 2024, 09:04: 10.4 °C26 Apr 2024, 14:02: 12.6 °C17 May 2024, 12:33: 18.7 °C19 Jun 2024, 08:59: 14.4 °C15 Jul 2024, 10:27: 15.1 °C7 Aug 2024, 15:55: 19.8 °C26 Sep 2024, 13:21: 16.2 °C30 Oct 2024, 10:49: 13.3 °C19 Nov 2024, 12:27: 9.6 °C6 Dec 2024, 13:52: 8.7 °C22 Jan 2025, 09:52: 5.5 °C18 Feb 2025, 13:47: 5.6 °C20 Mar 2025, 15:06: 12.6 °C10 Apr 2025, 12:48: 11.2 °C1 May 2025, 11:48: 15.2 °C4 Jun 2025, 11:05: 13.5 °C31 Jul 2025, 10:26: 16.7 °C15 Aug 2025, 08:48: 16 °C11 Sep 2025, 10:33: 14.3 °C9 Oct 2025, 09:26: 10.7 °C13 Nov 2025, 13:51: 13.6 °C10 Dec 2025, 09:51: 10.4 °C23 Feb 2026, 11:01: 9.2 °C25 Feb 2026, 13:02: 10.8 °C18 Mar 2026, 10:21: 9.4 °C9 Apr 2026, 14:50: 13.9 °C7 May 2026, 13:57: 15.5 °C12 Jun 2026, 12:29: 15.1 °C10 Jul 2026, 12:50: 22.1 °C11 Aug 2026, 11:53: 17.7 °C8 Sep 2026, 12:40: 16.3 °C
Every result (36)
SampledResult as publishedReads as
8 Sep 2026, 12:4016.3 16.3 °C
11 Aug 2026, 11:5317.7 17.7 °C
10 Jul 2026, 12:5022.1 22.1 °C
12 Jun 2026, 12:2915.1 15.1 °C
7 May 2026, 13:5715.5 15.5 °C
9 Apr 2026, 14:5013.9 13.9 °C
18 Mar 2026, 10:219.4 9.4 °C
25 Feb 2026, 13:0210.8 10.8 °C
23 Feb 2026, 11:019.2 9.2 °C
10 Dec 2025, 09:5110.4 10.4 °C
13 Nov 2025, 13:5113.6 13.6 °C
9 Oct 2025, 09:2610.7 10.7 °C
11 Sep 2025, 10:3314.3 14.3 °C
15 Aug 2025, 08:4816 16 °C
31 Jul 2025, 10:2616.7 16.7 °C
4 Jun 2025, 11:0513.5 13.5 °C
1 May 2025, 11:4815.2 15.2 °C
10 Apr 2025, 12:4811.2 11.2 °C
20 Mar 2025, 15:0612.6 12.6 °C
18 Feb 2025, 13:475.6 5.6 °C
22 Jan 2025, 09:525.5 5.5 °C
6 Dec 2024, 13:528.7 8.7 °C
19 Nov 2024, 12:279.6 9.6 °C
30 Oct 2024, 10:4913.3 13.3 °C
26 Sep 2024, 13:2116.2 16.2 °C
7 Aug 2024, 15:5519.8 19.8 °C
15 Jul 2024, 10:2715.1 15.1 °C
19 Jun 2024, 08:5914.4 14.4 °C
17 May 2024, 12:3318.7 18.7 °C
26 Apr 2024, 14:0212.6 12.6 °C
18 Mar 2024, 09:0410.4 10.4 °C
19 Feb 2024, 13:5311.1 11.1 °C
15 Jan 2024, 13:104 4 °C
8 Dec 2023, 11:417.1 7.1 °C
24 Nov 2023, 09:569.1 9.1 °C
16 Oct 2023, 12:459.3 9.3 °C

pH

code 0061

7.29

Sampled 8 Sep 2026, 23 days ago · 36 results banked

6.577.5820242025202616 Oct 2023, 12:45: 7.3724 Nov 2023, 09:56: 7.068 Dec 2023, 11:41: 7.6415 Jan 2024, 13:10: 7.1619 Feb 2024, 13:53: 7.2118 Mar 2024, 09:04: 7.2726 Apr 2024, 14:02: 7.8817 May 2024, 12:33: 7.5319 Jun 2024, 08:59: 6.8615 Jul 2024, 10:27: 7.097 Aug 2024, 15:55: 7.5726 Sep 2024, 13:21: 7.0130 Oct 2024, 10:49: 7.1219 Nov 2024, 12:27: 7.286 Dec 2024, 13:52: 7.7922 Jan 2025, 09:52: 7.9518 Feb 2025, 13:47: 7.8120 Mar 2025, 15:06: 7.8910 Apr 2025, 12:48: 7.761 May 2025, 11:48: 7.494 Jun 2025, 11:05: 7.3431 Jul 2025, 10:26: 7.4815 Aug 2025, 08:48: 7.4911 Sep 2025, 10:33: 6.989 Oct 2025, 09:26: 6.9613 Nov 2025, 13:51: 7.110 Dec 2025, 09:51: 6.9523 Feb 2026, 11:01: 7.3425 Feb 2026, 13:02: 7.9118 Mar 2026, 10:21: 7.329 Apr 2026, 14:50: 7.77 May 2026, 13:57: 7.5612 Jun 2026, 12:29: 7.0810 Jul 2026, 12:50: 7.3511 Aug 2026, 11:53: 7.658 Sep 2026, 12:40: 7.29
Every result (36)
SampledResult as publishedReads as
8 Sep 2026, 12:407.29 7.29
11 Aug 2026, 11:537.65 7.65
10 Jul 2026, 12:507.35 7.35
12 Jun 2026, 12:297.08 7.08
7 May 2026, 13:577.56 7.56
9 Apr 2026, 14:507.7 7.7
18 Mar 2026, 10:217.32 7.32
25 Feb 2026, 13:027.91 7.91
23 Feb 2026, 11:017.34 7.34
10 Dec 2025, 09:516.95 6.95
13 Nov 2025, 13:517.1 7.1
9 Oct 2025, 09:266.96 6.96
11 Sep 2025, 10:336.98 6.98
15 Aug 2025, 08:487.49 7.49
31 Jul 2025, 10:267.48 7.48
4 Jun 2025, 11:057.34 7.34
1 May 2025, 11:487.49 7.49
10 Apr 2025, 12:487.76 7.76
20 Mar 2025, 15:067.89 7.89
18 Feb 2025, 13:477.81 7.81
22 Jan 2025, 09:527.95 7.95
6 Dec 2024, 13:527.79 7.79
19 Nov 2024, 12:277.28 7.28
30 Oct 2024, 10:497.12 7.12
26 Sep 2024, 13:217.01 7.01
7 Aug 2024, 15:557.57 7.57
15 Jul 2024, 10:277.09 7.09
19 Jun 2024, 08:596.86 6.86
17 May 2024, 12:337.53 7.53
26 Apr 2024, 14:027.88 7.88
18 Mar 2024, 09:047.27 7.27
19 Feb 2024, 13:537.21 7.21
15 Jan 2024, 13:107.16 7.16
8 Dec 2023, 11:417.64 7.64
24 Nov 2023, 09:567.06 7.06
16 Oct 2023, 12:457.37 7.37

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 8 Sep 2026, 23 days ago · 35 results banked

00.20.40.60.8mg/l20242025202616 Oct 2023, 12:45: below 0.03 mg/l (not detected above this)24 Nov 2023, 09:56: below 0.03 mg/l (not detected above this)8 Dec 2023, 11:41: below 0.03 mg/l (not detected above this)15 Jan 2024, 13:10: 0.037 mg/l19 Feb 2024, 13:53: below 0.03 mg/l (not detected above this)18 Mar 2024, 09:04: below 0.03 mg/l (not detected above this)26 Apr 2024, 14:02: 0.31 mg/l17 May 2024, 12:33: 0.46 mg/l19 Jun 2024, 08:59: 0.69 mg/l15 Jul 2024, 10:27: 0.03 mg/l7 Aug 2024, 15:55: 0.22 mg/l26 Sep 2024, 13:21: 0.14 mg/l30 Oct 2024, 10:49: 0.07 mg/l19 Nov 2024, 12:27: 0.066 mg/l22 Jan 2025, 09:52: 0.055 mg/l18 Feb 2025, 13:47: below 0.03 mg/l (not detected above this)20 Mar 2025, 15:06: below 0.03 mg/l (not detected above this)10 Apr 2025, 12:48: below 0.03 mg/l (not detected above this)1 May 2025, 11:48: below 0.03 mg/l (not detected above this)4 Jun 2025, 11:05: 0.052 mg/l31 Jul 2025, 10:26: 0.065 mg/l15 Aug 2025, 08:48: 0.094 mg/l11 Sep 2025, 10:33: 0.041 mg/l9 Oct 2025, 09:26: 0.074 mg/l13 Nov 2025, 13:51: 0.043 mg/l10 Dec 2025, 09:51: below 0.03 mg/l (not detected above this)23 Feb 2026, 11:01: below 0.03 mg/l (not detected above this)25 Feb 2026, 13:02: below 0.03 mg/l (not detected above this)18 Mar 2026, 10:21: below 0.03 mg/l (not detected above this)9 Apr 2026, 14:50: below 0.03 mg/l (not detected above this)7 May 2026, 13:57: 0.03 mg/l12 Jun 2026, 12:29: below 0.03 mg/l (not detected above this)10 Jul 2026, 12:50: 0.053 mg/l11 Aug 2026, 11:53: 0.059 mg/l8 Sep 2026, 12:40: below 0.03 mg/l (not detected above this)
Every result (35)
SampledResult as publishedReads as
8 Sep 2026, 12:40<0.03 below 0.03 mg/l (not detected above this)
11 Aug 2026, 11:530.059 0.059 mg/l
10 Jul 2026, 12:500.053 0.053 mg/l
12 Jun 2026, 12:29<0.03 below 0.03 mg/l (not detected above this)
7 May 2026, 13:570.03 0.03 mg/l
9 Apr 2026, 14:50<0.03 below 0.03 mg/l (not detected above this)
18 Mar 2026, 10:21<0.03 below 0.03 mg/l (not detected above this)
25 Feb 2026, 13:02<0.03 below 0.03 mg/l (not detected above this)
23 Feb 2026, 11:01<0.03 below 0.03 mg/l (not detected above this)
10 Dec 2025, 09:51<0.03 below 0.03 mg/l (not detected above this)
13 Nov 2025, 13:510.043 0.043 mg/l
9 Oct 2025, 09:260.074 0.074 mg/l
11 Sep 2025, 10:330.041 0.041 mg/l
15 Aug 2025, 08:480.094 0.094 mg/l
31 Jul 2025, 10:260.065 0.065 mg/l
4 Jun 2025, 11:050.052 0.052 mg/l
1 May 2025, 11:48<0.03 below 0.03 mg/l (not detected above this)
10 Apr 2025, 12:48<0.03 below 0.03 mg/l (not detected above this)
20 Mar 2025, 15:06<0.03 below 0.03 mg/l (not detected above this)
18 Feb 2025, 13:47<0.03 below 0.03 mg/l (not detected above this)
22 Jan 2025, 09:520.055 0.055 mg/l
19 Nov 2024, 12:270.066 0.066 mg/l
30 Oct 2024, 10:490.07 0.07 mg/l
26 Sep 2024, 13:210.14 0.14 mg/l
7 Aug 2024, 15:550.22 0.22 mg/l
15 Jul 2024, 10:270.03 0.03 mg/l
19 Jun 2024, 08:590.69 0.69 mg/l
17 May 2024, 12:330.46 0.46 mg/l
26 Apr 2024, 14:020.31 0.31 mg/l
18 Mar 2024, 09:04<0.03 below 0.03 mg/l (not detected above this)
19 Feb 2024, 13:53<0.03 below 0.03 mg/l (not detected above this)
15 Jan 2024, 13:100.037 0.037 mg/l
8 Dec 2023, 11:41<0.03 below 0.03 mg/l (not detected above this)
24 Nov 2023, 09:56<0.03 below 0.03 mg/l (not detected above this)
16 Oct 2023, 12:45<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

12 mg/l

Sampled 8 Sep 2026, 23 days ago · 35 results banked

051015mg/l20242025202616 Oct 2023, 12:45: 3.99 mg/l24 Nov 2023, 09:56: 2.69 mg/l8 Dec 2023, 11:41: 1.2 mg/l15 Jan 2024, 13:10: 2.99 mg/l19 Feb 2024, 13:53: 1.29 mg/l18 Mar 2024, 09:04: 1.69 mg/l26 Apr 2024, 14:02: 0.203 mg/l17 May 2024, 12:33: 0.391 mg/l19 Jun 2024, 08:59: 7.64 mg/l15 Jul 2024, 10:27: 9.74 mg/l7 Aug 2024, 15:55: 10.9 mg/l26 Sep 2024, 13:21: 1.68 mg/l30 Oct 2024, 10:49: 3.49 mg/l19 Nov 2024, 12:27: 2.29 mg/l22 Jan 2025, 09:52: 4.29 mg/l18 Feb 2025, 13:47: 2.79 mg/l20 Mar 2025, 15:06: 3.1 mg/l10 Apr 2025, 12:48: 7.39 mg/l1 May 2025, 11:48: 4.98 mg/l4 Jun 2025, 11:05: 11 mg/l31 Jul 2025, 10:26: 8.67 mg/l15 Aug 2025, 08:48: 9.96 mg/l11 Sep 2025, 10:33: 4.49 mg/l9 Oct 2025, 09:26: 6.38 mg/l13 Nov 2025, 13:51: 1.7 mg/l10 Dec 2025, 09:51: 1.2 mg/l23 Feb 2026, 11:01: 1.8 mg/l25 Feb 2026, 13:02: 1.2 mg/l18 Mar 2026, 10:21: 2 mg/l9 Apr 2026, 14:50: 6.68 mg/l7 May 2026, 13:57: 8.16 mg/l12 Jun 2026, 12:29: 4.09 mg/l10 Jul 2026, 12:50: 14.9 mg/l11 Aug 2026, 11:53: 4.87 mg/l8 Sep 2026, 12:40: 12 mg/l
Every result (35)
SampledResult as publishedReads as
8 Sep 2026, 12:4012 12 mg/l
11 Aug 2026, 11:534.87 4.87 mg/l
10 Jul 2026, 12:5014.9 14.9 mg/l
12 Jun 2026, 12:294.09 4.09 mg/l
7 May 2026, 13:578.16 8.16 mg/l
9 Apr 2026, 14:506.68 6.68 mg/l
18 Mar 2026, 10:212 2 mg/l
25 Feb 2026, 13:021.2 1.2 mg/l
23 Feb 2026, 11:011.8 1.8 mg/l
10 Dec 2025, 09:511.2 1.2 mg/l
13 Nov 2025, 13:511.7 1.7 mg/l
9 Oct 2025, 09:266.38 6.38 mg/l
11 Sep 2025, 10:334.49 4.49 mg/l
15 Aug 2025, 08:489.96 9.96 mg/l
31 Jul 2025, 10:268.67 8.67 mg/l
4 Jun 2025, 11:0511 11 mg/l
1 May 2025, 11:484.98 4.98 mg/l
10 Apr 2025, 12:487.39 7.39 mg/l
20 Mar 2025, 15:063.1 3.1 mg/l
18 Feb 2025, 13:472.79 2.79 mg/l
22 Jan 2025, 09:524.29 4.29 mg/l
19 Nov 2024, 12:272.29 2.29 mg/l
30 Oct 2024, 10:493.49 3.49 mg/l
26 Sep 2024, 13:211.68 1.68 mg/l
7 Aug 2024, 15:5510.9 10.9 mg/l
15 Jul 2024, 10:279.74 9.74 mg/l
19 Jun 2024, 08:597.64 7.64 mg/l
17 May 2024, 12:330.391 0.391 mg/l
26 Apr 2024, 14:020.203 0.203 mg/l
18 Mar 2024, 09:041.69 1.69 mg/l
19 Feb 2024, 13:531.29 1.29 mg/l
15 Jan 2024, 13:102.99 2.99 mg/l
8 Dec 2023, 11:411.2 1.2 mg/l
24 Nov 2023, 09:562.69 2.69 mg/l
16 Oct 2023, 12:453.99 3.99 mg/l

Phosphate

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

1.2 mg/l

Sampled 8 Sep 2026, 23 days ago · 35 results banked

00.511.52mg/l20242025202616 Oct 2023, 12:45: 0.25 mg/l24 Nov 2023, 09:56: 0.077 mg/l8 Dec 2023, 11:41: 0.061 mg/l15 Jan 2024, 13:10: 0.076 mg/l19 Feb 2024, 13:53: 0.067 mg/l18 Mar 2024, 09:04: 0.045 mg/l26 Apr 2024, 14:02: below 0.01 mg/l (not detected above this)17 May 2024, 12:33: 0.03 mg/l19 Jun 2024, 08:59: 0.33 mg/l15 Jul 2024, 10:27: 1.2 mg/l7 Aug 2024, 15:55: 1.4 mg/l26 Sep 2024, 13:21: 0.32 mg/l30 Oct 2024, 10:49: 0.22 mg/l19 Nov 2024, 12:27: 0.29 mg/l22 Jan 2025, 09:52: 0.056 mg/l18 Feb 2025, 13:47: 0.035 mg/l20 Mar 2025, 15:06: 0.046 mg/l10 Apr 2025, 12:48: 0.2 mg/l1 May 2025, 11:48: 0.21 mg/l4 Jun 2025, 11:05: 0.48 mg/l31 Jul 2025, 10:26: 1 mg/l15 Aug 2025, 08:48: 1.6 mg/l11 Sep 2025, 10:33: 0.42 mg/l9 Oct 2025, 09:26: 0.16 mg/l13 Nov 2025, 13:51: 0.073 mg/l10 Dec 2025, 09:51: 0.069 mg/l23 Feb 2026, 11:01: 0.078 mg/l25 Feb 2026, 13:02: 0.05 mg/l18 Mar 2026, 10:21: 0.057 mg/l9 Apr 2026, 14:50: 0.71 mg/l7 May 2026, 13:57: 0.59 mg/l12 Jun 2026, 12:29: 0.28 mg/l10 Jul 2026, 12:50: 1.3 mg/l11 Aug 2026, 11:53: 0.63 mg/l8 Sep 2026, 12:40: 1.2 mg/l
Every result (35)
SampledResult as publishedReads as
8 Sep 2026, 12:401.2 1.2 mg/l
11 Aug 2026, 11:530.63 0.63 mg/l
10 Jul 2026, 12:501.3 1.3 mg/l
12 Jun 2026, 12:290.28 0.28 mg/l
7 May 2026, 13:570.59 0.59 mg/l
9 Apr 2026, 14:500.71 0.71 mg/l
18 Mar 2026, 10:210.057 0.057 mg/l
25 Feb 2026, 13:020.05 0.05 mg/l
23 Feb 2026, 11:010.078 0.078 mg/l
10 Dec 2025, 09:510.069 0.069 mg/l
13 Nov 2025, 13:510.073 0.073 mg/l
9 Oct 2025, 09:260.16 0.16 mg/l
11 Sep 2025, 10:330.42 0.42 mg/l
15 Aug 2025, 08:481.6 1.6 mg/l
31 Jul 2025, 10:261 1 mg/l
4 Jun 2025, 11:050.48 0.48 mg/l
1 May 2025, 11:480.21 0.21 mg/l
10 Apr 2025, 12:480.2 0.2 mg/l
20 Mar 2025, 15:060.046 0.046 mg/l
18 Feb 2025, 13:470.035 0.035 mg/l
22 Jan 2025, 09:520.056 0.056 mg/l
19 Nov 2024, 12:270.29 0.29 mg/l
30 Oct 2024, 10:490.22 0.22 mg/l
26 Sep 2024, 13:210.32 0.32 mg/l
7 Aug 2024, 15:551.4 1.4 mg/l
15 Jul 2024, 10:271.2 1.2 mg/l
19 Jun 2024, 08:590.33 0.33 mg/l
17 May 2024, 12:330.03 0.03 mg/l
26 Apr 2024, 14:02<0.01 below 0.01 mg/l (not detected above this)
18 Mar 2024, 09:040.045 0.045 mg/l
19 Feb 2024, 13:530.067 0.067 mg/l
15 Jan 2024, 13:100.076 0.076 mg/l
8 Dec 2023, 11:410.061 0.061 mg/l
24 Nov 2023, 09:560.077 0.077 mg/l
16 Oct 2023, 12:450.25 0.25 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

645 µS/cm

Sampled 8 Sep 2026, 23 days ago · 36 results banked

0200004000060000µS/cm20242025202616 Oct 2023, 12:45: 361 µS/cm24 Nov 2023, 09:56: 229 µS/cm8 Dec 2023, 11:41: 176 µS/cm15 Jan 2024, 13:10: 234 µS/cm19 Feb 2024, 13:53: 169 µS/cm18 Mar 2024, 09:04: 205 µS/cm26 Apr 2024, 14:02: 44310 µS/cm17 May 2024, 12:33: 33064 µS/cm19 Jun 2024, 08:59: 3115 µS/cm15 Jul 2024, 10:27: 910 µS/cm7 Aug 2024, 15:55: 13725 µS/cm26 Sep 2024, 13:21: 769 µS/cm30 Oct 2024, 10:49: 500 µS/cm19 Nov 2024, 12:27: 471 µS/cm6 Dec 2024, 13:52: 347 µS/cm22 Jan 2025, 09:52: 392 µS/cm18 Feb 2025, 13:47: 323 µS/cm20 Mar 2025, 15:06: 326 µS/cm10 Apr 2025, 12:48: 466 µS/cm1 May 2025, 11:48: 517 µS/cm4 Jun 2025, 11:05: 625 µS/cm31 Jul 2025, 10:26: 806 µS/cm15 Aug 2025, 08:48: 814 µS/cm11 Sep 2025, 10:33: 803 µS/cm9 Oct 2025, 09:26: 1100 µS/cm13 Nov 2025, 13:51: 425 µS/cm10 Dec 2025, 09:51: 273 µS/cm23 Feb 2026, 11:01: 226 µS/cm25 Feb 2026, 13:02: 178 µS/cm18 Mar 2026, 10:21: 241 µS/cm9 Apr 2026, 14:50: 372 µS/cm7 May 2026, 13:57: 555 µS/cm12 Jun 2026, 12:29: 353 µS/cm10 Jul 2026, 12:50: 721 µS/cm11 Aug 2026, 11:53: 1180 µS/cm8 Sep 2026, 12:40: 645 µS/cm
Every result (36)
SampledResult as publishedReads as
8 Sep 2026, 12:40645 645 µS/cm
11 Aug 2026, 11:531180 1180 µS/cm
10 Jul 2026, 12:50721 721 µS/cm
12 Jun 2026, 12:29353 353 µS/cm
7 May 2026, 13:57555 555 µS/cm
9 Apr 2026, 14:50372 372 µS/cm
18 Mar 2026, 10:21241 241 µS/cm
25 Feb 2026, 13:02178 178 µS/cm
23 Feb 2026, 11:01226 226 µS/cm
10 Dec 2025, 09:51273 273 µS/cm
13 Nov 2025, 13:51425 425 µS/cm
9 Oct 2025, 09:261100 1100 µS/cm
11 Sep 2025, 10:33803 803 µS/cm
15 Aug 2025, 08:48814 814 µS/cm
31 Jul 2025, 10:26806 806 µS/cm
4 Jun 2025, 11:05625 625 µS/cm
1 May 2025, 11:48517 517 µS/cm
10 Apr 2025, 12:48466 466 µS/cm
20 Mar 2025, 15:06326 326 µS/cm
18 Feb 2025, 13:47323 323 µS/cm
22 Jan 2025, 09:52392 392 µS/cm
6 Dec 2024, 13:52347 347 µS/cm
19 Nov 2024, 12:27471 471 µS/cm
30 Oct 2024, 10:49500 500 µS/cm
26 Sep 2024, 13:21769 769 µS/cm
7 Aug 2024, 15:5513725 13725 µS/cm
15 Jul 2024, 10:27910 910 µS/cm
19 Jun 2024, 08:593115 3115 µS/cm
17 May 2024, 12:3333064 33064 µS/cm
26 Apr 2024, 14:0244310 44310 µS/cm
18 Mar 2024, 09:04205 205 µS/cm
19 Feb 2024, 13:53169 169 µS/cm
15 Jan 2024, 13:10234 234 µS/cm
8 Dec 2023, 11:41176 176 µS/cm
24 Nov 2023, 09:56229 229 µS/cm
16 Oct 2023, 12:45361 361 µS/cm

Everything measured here

75 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 75 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 36 Oct 2023 – Sep 2026 79% 8 Sep 2026
Oxygen, Dissolved as O2 9924 River water 36 Oct 2023 – Sep 2026 7.73 mg/l 8 Sep 2026
Temperature of Water 0076 River water 36 Oct 2023 – Sep 2026 16.3 °C 8 Sep 2026
pH 0061 River water 36 Oct 2023 – Sep 2026 7.29 8 Sep 2026
Ammoniacal Nitrogen as N 0111 River water 35 Oct 2023 – Sep 2026 below 0.03 mg/l 8 Sep 2026
Nitrate as N 0117 River water 35 Oct 2023 – Sep 2026 12 mg/l 8 Sep 2026
Orthophosphate, reactive as P 0180 River water 35 Oct 2023 – Sep 2026 1.2 mg/l 8 Sep 2026
Conductivity at 25 C 0077 River water 36 Oct 2023 – Sep 2026 645 µS/cm 8 Sep 2026
(Perfluorohexanesulfonyl)[3-(trimethylazaniumyl)propyl]azanide 2890 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 23 Feb 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
2H-Perfluoro-2-decenoic acid 2888 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
3-Perfluoroheptylpropanoic acid 2925 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 23 Feb 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
5:3 Fluorotelomer betaine 2886 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 23 Feb 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 23 Feb 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 23 Feb 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 23 Feb 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Feb 2026 – Feb 2026 below 0.01 µg/l 23 Feb 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 35 Oct 2023 – Sep 2026 77 mg/l 8 Sep 2026
Ammonia un-ionised as N 0119 River water 35 Oct 2023 – Sep 2026 below 0.00017 mg/l 8 Sep 2026
BOD : 5 Day ATU 0085 River water 15 Feb 2024 – Oct 2025 below 1 mg/l 9 Oct 2025
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
N-Ethylperfluorooctanesulfonamide 2977 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 23 Feb 2026
N-methylperfluorooctanesulfonamide 2975 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 23 Feb 2026
Nitrite as N 0118 River water 35 Oct 2023 – Sep 2026 0.02 mg/l 8 Sep 2026
Nitrogen, Total Oxidised as N 0116 River water 35 Oct 2023 – Sep 2026 12 mg/l 8 Sep 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluorobutanesulfonic acid 2972 River water 1 Feb 2026 – Feb 2026 0.0016 µg/l 23 Feb 2026
Perfluorobutanoic acid 2995 River water 1 Feb 2026 – Feb 2026 0.0046 µg/l 23 Feb 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluorodecanesulfonic acid 2969 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
Perfluorodecanoic acid 8892 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
Perfluorododecane sulfonic acid 2968 River water 1 Feb 2026 – Feb 2026 below 0.005 µg/l 23 Feb 2026
Perfluorododecanoic acid 8894 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 23 Feb 2026
Perfluoroheptanesulfonic acid 2967 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluoroheptanoic acid 8889 River water 1 Feb 2026 – Feb 2026 0.0072 µg/l 23 Feb 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluorohexanesulfonamide 2965 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluorohexanesulfonic acid (B) 2944 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluorohexanesulfonic acid (L) 2964 River water 1 Feb 2026 – Feb 2026 0.002 µg/l 23 Feb 2026
Perfluorohexanoic acid 8888 River water 1 Feb 2026 – Feb 2026 0.011 µg/l 23 Feb 2026
Perfluorononanesulfonic acid 2963 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluorononanoic acid 8891 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
Perfluorooctadecanoic acid 2962 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 23 Feb 2026
Perfluorooctanesulfonamide 2961 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 1 Feb 2026 – Feb 2026 0.00094 µg/l 23 Feb 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Feb 2026 – Feb 2026 0.0012 µg/l 23 Feb 2026
Perfluorooctanoic acid 8890 River water 1 Feb 2026 – Feb 2026 0.0031 µg/l 23 Feb 2026
Perfluoropentanesulfonic acid 2957 River water 1 Feb 2026 – Feb 2026 below 0.0005 µg/l 23 Feb 2026
Perfluoropentanoic acid 8887 River water 1 Feb 2026 – Feb 2026 0.012 µg/l 23 Feb 2026
Perfluorotetradecanoic acid 8895 River water 1 Feb 2026 – Feb 2026 below 0.006 µg/l 23 Feb 2026
Perfluorotridecanoic acid 2955 River water 1 Feb 2026 – Feb 2026 below 0.002 µg/l 23 Feb 2026
Perfluoroundecane sulfonic acid 2953 River water 1 Feb 2026 – Feb 2026 below 0.004 µg/l 23 Feb 2026
Perfluoroundecanoic acid 8893 River water 1 Feb 2026 – Feb 2026 below 0.001 µg/l 23 Feb 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.