River Ryton at Shireoaks

EA name: RIVER RYTON AT SHIREOAKS
Environment Agency sampling point MD-38642360 · 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
20 May 2026, 09:114 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 19 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 455290, 380890As published, to the nearest 10 m. Open in a map
River, by its own name
Ryton
River, by the map
River RytonPlaced on the river its name gives, 3 m from the line.
Next gauge downstream
Worksop On the River Ryton · 3.8 km along the river
Why it was sampled
Monitoring (national agency policy) (24 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

91.6%

Sampled 20 May 2026, 4 months ago · 24 results banked

8090100110120130%20242025202619 Jun 2024, 09:08: 97.7%19 Jul 2024, 08:13: 92.7%27 Aug 2024, 10:16: 96.8%17 Sep 2024, 10:40: 96.5%22 Oct 2024, 11:26: 95%22 Nov 2024, 11:40: 96.5%5 Dec 2024, 10:21: 99.7%20 Jan 2025, 08:08: 98.6%20 Feb 2025, 09:39: 102.1%17 Mar 2025, 10:51: 105.1%28 Apr 2025, 14:00: 121.5%14 May 2025, 11:52: 100.7%4 Jun 2025, 10:32: 93.2%4 Jul 2025, 11:21: 100.6%6 Aug 2025, 10:50: 99.1%19 Sep 2025, 10:23: 89.9%3 Oct 2025, 08:22: 90.3%4 Nov 2025, 10:24: 90.5%4 Dec 2025, 10:37: 97.7%7 Jan 2026, 10:10: 99%6 Feb 2026, 11:49: 97.9%2 Mar 2026, 11:45: 99.6%30 Apr 2026, 07:48: 93.8%20 May 2026, 09:11: 91.6%
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:1191.6 91.6%
30 Apr 2026, 07:4893.8 93.8%
2 Mar 2026, 11:4599.6 99.6%
6 Feb 2026, 11:4997.9 97.9%
7 Jan 2026, 10:1099 99%
4 Dec 2025, 10:3797.7 97.7%
4 Nov 2025, 10:2490.5 90.5%
3 Oct 2025, 08:2290.3 90.3%
19 Sep 2025, 10:2389.9 89.9%
6 Aug 2025, 10:5099.1 99.1%
4 Jul 2025, 11:21100.6 100.6%
4 Jun 2025, 10:3293.2 93.2%
14 May 2025, 11:52100.7 100.7%
28 Apr 2025, 14:00121.5 121.5%
17 Mar 2025, 10:51105.1 105.1%
20 Feb 2025, 09:39102.1 102.1%
20 Jan 2025, 08:0898.6 98.6%
5 Dec 2024, 10:2199.7 99.7%
22 Nov 2024, 11:4096.5 96.5%
22 Oct 2024, 11:2695 95%
17 Sep 2024, 10:4096.5 96.5%
27 Aug 2024, 10:1696.8 96.8%
19 Jul 2024, 08:1392.7 92.7%
19 Jun 2024, 09:0897.7 97.7%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.85 mg/l

Sampled 20 May 2026, 4 months ago · 24 results banked

8910111213mg/l20242025202619 Jun 2024, 09:08: 10.4 mg/l19 Jul 2024, 08:13: 9.26 mg/l27 Aug 2024, 10:16: 9.86 mg/l17 Sep 2024, 10:40: 10.5 mg/l22 Oct 2024, 11:26: 10.4 mg/l22 Nov 2024, 11:40: 12.4 mg/l5 Dec 2024, 10:21: 11.6 mg/l20 Jan 2025, 08:08: 12.5 mg/l20 Feb 2025, 09:39: 12.9 mg/l17 Mar 2025, 10:51: 12.7 mg/l28 Apr 2025, 14:00: 12.5 mg/l14 May 2025, 11:52: 10.6 mg/l4 Jun 2025, 10:32: 9.91 mg/l4 Jul 2025, 11:21: 10.1 mg/l6 Aug 2025, 10:50: 10.2 mg/l19 Sep 2025, 10:23: 8.96 mg/l3 Oct 2025, 08:22: 9.41 mg/l4 Nov 2025, 10:24: 9.71 mg/l4 Dec 2025, 10:37: 11.7 mg/l7 Jan 2026, 10:10: 12.7 mg/l6 Feb 2026, 11:49: 12.3 mg/l2 Mar 2026, 11:45: 11.4 mg/l30 Apr 2026, 07:48: 10.7 mg/l20 May 2026, 09:11: 9.85 mg/l
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:119.85 9.85 mg/l
30 Apr 2026, 07:4810.7 10.7 mg/l
2 Mar 2026, 11:4511.4 11.4 mg/l
6 Feb 2026, 11:4912.3 12.3 mg/l
7 Jan 2026, 10:1012.7 12.7 mg/l
4 Dec 2025, 10:3711.7 11.7 mg/l
4 Nov 2025, 10:249.71 9.71 mg/l
3 Oct 2025, 08:229.41 9.41 mg/l
19 Sep 2025, 10:238.96 8.96 mg/l
6 Aug 2025, 10:5010.2 10.2 mg/l
4 Jul 2025, 11:2110.1 10.1 mg/l
4 Jun 2025, 10:329.91 9.91 mg/l
14 May 2025, 11:5210.6 10.6 mg/l
28 Apr 2025, 14:0012.5 12.5 mg/l
17 Mar 2025, 10:5112.7 12.7 mg/l
20 Feb 2025, 09:3912.9 12.9 mg/l
20 Jan 2025, 08:0812.5 12.5 mg/l
5 Dec 2024, 10:2111.6 11.6 mg/l
22 Nov 2024, 11:4012.4 12.4 mg/l
22 Oct 2024, 11:2610.4 10.4 mg/l
17 Sep 2024, 10:4010.5 10.5 mg/l
27 Aug 2024, 10:169.86 9.86 mg/l
19 Jul 2024, 08:139.26 9.26 mg/l
19 Jun 2024, 09:0810.4 10.4 mg/l

Water temperature

code 0076 · °C

12 °C

Sampled 20 May 2026, 4 months ago · 24 results banked

05101520°C20242025202619 Jun 2024, 09:08: 12.4 °C19 Jul 2024, 08:13: 15.3 °C27 Aug 2024, 10:16: 14.4 °C17 Sep 2024, 10:40: 11.6 °C22 Oct 2024, 11:26: 11.2 °C22 Nov 2024, 11:40: 4.8 °C5 Dec 2024, 10:21: 8.7 °C20 Jan 2025, 08:08: 5.3 °C20 Feb 2025, 09:39: 5.5 °C17 Mar 2025, 10:51: 7.1 °C28 Apr 2025, 14:00: 14 °C14 May 2025, 11:52: 12.8 °C4 Jun 2025, 10:32: 12.5 °C4 Jul 2025, 11:21: 15.1 °C6 Aug 2025, 10:50: 13.8 °C19 Sep 2025, 10:23: 15.4 °C3 Oct 2025, 08:22: 13.4 °C4 Nov 2025, 10:24: 12.1 °C4 Dec 2025, 10:37: 7.6 °C7 Jan 2026, 10:10: 4.8 °C6 Feb 2026, 11:49: 5.6 °C2 Mar 2026, 11:45: 9.3 °C30 Apr 2026, 07:48: 9.3 °C20 May 2026, 09:11: 12 °C
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:1112 12 °C
30 Apr 2026, 07:489.3 9.3 °C
2 Mar 2026, 11:459.3 9.3 °C
6 Feb 2026, 11:495.6 5.6 °C
7 Jan 2026, 10:104.8 4.8 °C
4 Dec 2025, 10:377.6 7.6 °C
4 Nov 2025, 10:2412.1 12.1 °C
3 Oct 2025, 08:2213.4 13.4 °C
19 Sep 2025, 10:2315.4 15.4 °C
6 Aug 2025, 10:5013.8 13.8 °C
4 Jul 2025, 11:2115.1 15.1 °C
4 Jun 2025, 10:3212.5 12.5 °C
14 May 2025, 11:5212.8 12.8 °C
28 Apr 2025, 14:0014 14 °C
17 Mar 2025, 10:517.1 7.1 °C
20 Feb 2025, 09:395.5 5.5 °C
20 Jan 2025, 08:085.3 5.3 °C
5 Dec 2024, 10:218.7 8.7 °C
22 Nov 2024, 11:404.8 4.8 °C
22 Oct 2024, 11:2611.2 11.2 °C
17 Sep 2024, 10:4011.6 11.6 °C
27 Aug 2024, 10:1614.4 14.4 °C
19 Jul 2024, 08:1315.3 15.3 °C
19 Jun 2024, 09:0812.4 12.4 °C

pH

code 0061

8.27

Sampled 20 May 2026, 4 months ago · 24 results banked

7.888.28.420242025202619 Jun 2024, 09:08: 8.1419 Jul 2024, 08:13: 7.9427 Aug 2024, 10:16: 8.0517 Sep 2024, 10:40: 8.1822 Oct 2024, 11:26: 8.0422 Nov 2024, 11:40: 8.065 Dec 2024, 10:21: 8.0520 Jan 2025, 08:08: 8.1320 Feb 2025, 09:39: 8.1117 Mar 2025, 10:51: 8.3428 Apr 2025, 14:00: 8.2514 May 2025, 11:52: 8.164 Jun 2025, 10:32: 8.254 Jul 2025, 11:21: 8.016 Aug 2025, 10:50: 8.1719 Sep 2025, 10:23: 8.283 Oct 2025, 08:22: 8.084 Nov 2025, 10:24: 7.884 Dec 2025, 10:37: 8.057 Jan 2026, 10:10: 8.126 Feb 2026, 11:49: 7.982 Mar 2026, 11:45: 8.1330 Apr 2026, 07:48: 8.1520 May 2026, 09:11: 8.27
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:118.27 8.27
30 Apr 2026, 07:488.15 8.15
2 Mar 2026, 11:458.13 8.13
6 Feb 2026, 11:497.98 7.98
7 Jan 2026, 10:108.12 8.12
4 Dec 2025, 10:378.05 8.05
4 Nov 2025, 10:247.88 7.88
3 Oct 2025, 08:228.08 8.08
19 Sep 2025, 10:238.28 8.28
6 Aug 2025, 10:508.17 8.17
4 Jul 2025, 11:218.01 8.01
4 Jun 2025, 10:328.25 8.25
14 May 2025, 11:528.16 8.16
28 Apr 2025, 14:008.25 8.25
17 Mar 2025, 10:518.34 8.34
20 Feb 2025, 09:398.11 8.11
20 Jan 2025, 08:088.13 8.13
5 Dec 2024, 10:218.05 8.05
22 Nov 2024, 11:408.06 8.06
22 Oct 2024, 11:268.04 8.04
17 Sep 2024, 10:408.18 8.18
27 Aug 2024, 10:168.05 8.05
19 Jul 2024, 08:137.94 7.94
19 Jun 2024, 09:088.14 8.14

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 20 May 2026, 4 months ago · 24 results banked

00.050.10.150.2mg/l20242025202619 Jun 2024, 09:08: below 0.03 mg/l (not detected above this)19 Jul 2024, 08:13: below 0.03 mg/l (not detected above this)27 Aug 2024, 10:16: 0.048 mg/l17 Sep 2024, 10:40: below 0.03 mg/l (not detected above this)22 Oct 2024, 11:26: below 0.03 mg/l (not detected above this)22 Nov 2024, 11:40: 0.037 mg/l5 Dec 2024, 10:21: 0.031 mg/l20 Jan 2025, 08:08: below 0.03 mg/l (not detected above this)20 Feb 2025, 09:39: 0.073 mg/l17 Mar 2025, 10:51: below 0.03 mg/l (not detected above this)28 Apr 2025, 14:00: below 0.03 mg/l (not detected above this)14 May 2025, 11:52: below 0.03 mg/l (not detected above this)4 Jun 2025, 10:32: 0.042 mg/l4 Jul 2025, 11:21: below 0.03 mg/l (not detected above this)6 Aug 2025, 10:50: 0.034 mg/l19 Sep 2025, 10:23: below 0.03 mg/l (not detected above this)3 Oct 2025, 08:22: below 0.03 mg/l (not detected above this)4 Nov 2025, 10:24: below 0.03 mg/l (not detected above this)4 Dec 2025, 10:37: below 0.03 mg/l (not detected above this)7 Jan 2026, 10:10: 0.051 mg/l6 Feb 2026, 11:49: 0.2 mg/l2 Mar 2026, 11:45: 0.069 mg/l30 Apr 2026, 07:48: 0.071 mg/l20 May 2026, 09:11: below 0.03 mg/l (not detected above this)
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:11<0.03 below 0.03 mg/l (not detected above this)
30 Apr 2026, 07:480.071 0.071 mg/l
2 Mar 2026, 11:450.069 0.069 mg/l
6 Feb 2026, 11:490.2 0.2 mg/l
7 Jan 2026, 10:100.051 0.051 mg/l
4 Dec 2025, 10:37<0.03 below 0.03 mg/l (not detected above this)
4 Nov 2025, 10:24<0.03 below 0.03 mg/l (not detected above this)
3 Oct 2025, 08:22<0.03 below 0.03 mg/l (not detected above this)
19 Sep 2025, 10:23<0.03 below 0.03 mg/l (not detected above this)
6 Aug 2025, 10:500.034 0.034 mg/l
4 Jul 2025, 11:21<0.03 below 0.03 mg/l (not detected above this)
4 Jun 2025, 10:320.042 0.042 mg/l
14 May 2025, 11:52<0.03 below 0.03 mg/l (not detected above this)
28 Apr 2025, 14:00<0.03 below 0.03 mg/l (not detected above this)
17 Mar 2025, 10:51<0.03 below 0.03 mg/l (not detected above this)
20 Feb 2025, 09:390.073 0.073 mg/l
20 Jan 2025, 08:08<0.03 below 0.03 mg/l (not detected above this)
5 Dec 2024, 10:210.031 0.031 mg/l
22 Nov 2024, 11:400.037 0.037 mg/l
22 Oct 2024, 11:26<0.03 below 0.03 mg/l (not detected above this)
17 Sep 2024, 10:40<0.03 below 0.03 mg/l (not detected above this)
27 Aug 2024, 10:160.048 0.048 mg/l
19 Jul 2024, 08:13<0.03 below 0.03 mg/l (not detected above this)
19 Jun 2024, 09:08<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

11 mg/l

Sampled 20 May 2026, 4 months ago · 24 results banked

57.51012.515mg/l20242025202619 Jun 2024, 09:08: 14 mg/l19 Jul 2024, 08:13: 12 mg/l27 Aug 2024, 10:16: 14 mg/l17 Sep 2024, 10:40: 14 mg/l22 Oct 2024, 11:26: 11 mg/l22 Nov 2024, 11:40: 14 mg/l5 Dec 2024, 10:21: 12 mg/l20 Jan 2025, 08:08: 11 mg/l20 Feb 2025, 09:39: 13 mg/l17 Mar 2025, 10:51: 13 mg/l28 Apr 2025, 14:00: 14 mg/l14 May 2025, 11:52: 13 mg/l4 Jun 2025, 10:32: 12 mg/l4 Jul 2025, 11:21: 15 mg/l6 Aug 2025, 10:50: 13 mg/l19 Sep 2025, 10:23: 9.59 mg/l3 Oct 2025, 08:22: 12 mg/l4 Nov 2025, 10:24: 13 mg/l4 Dec 2025, 10:37: 11 mg/l7 Jan 2026, 10:10: 13 mg/l6 Feb 2026, 11:49: 5.38 mg/l2 Mar 2026, 11:45: 9.94 mg/l30 Apr 2026, 07:48: 13 mg/l20 May 2026, 09:11: 11 mg/l
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:1111 11 mg/l
30 Apr 2026, 07:4813 13 mg/l
2 Mar 2026, 11:459.94 9.94 mg/l
6 Feb 2026, 11:495.38 5.38 mg/l
7 Jan 2026, 10:1013 13 mg/l
4 Dec 2025, 10:3711 11 mg/l
4 Nov 2025, 10:2413 13 mg/l
3 Oct 2025, 08:2212 12 mg/l
19 Sep 2025, 10:239.59 9.59 mg/l
6 Aug 2025, 10:5013 13 mg/l
4 Jul 2025, 11:2115 15 mg/l
4 Jun 2025, 10:3212 12 mg/l
14 May 2025, 11:5213 13 mg/l
28 Apr 2025, 14:0014 14 mg/l
17 Mar 2025, 10:5113 13 mg/l
20 Feb 2025, 09:3913 13 mg/l
20 Jan 2025, 08:0811 11 mg/l
5 Dec 2024, 10:2112 12 mg/l
22 Nov 2024, 11:4014 14 mg/l
22 Oct 2024, 11:2611 11 mg/l
17 Sep 2024, 10:4014 14 mg/l
27 Aug 2024, 10:1614 14 mg/l
19 Jul 2024, 08:1312 12 mg/l
19 Jun 2024, 09:0814 14 mg/l

Phosphate

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

0.048 mg/l

Sampled 20 May 2026, 4 months ago · 24 results banked

00.0250.050.0750.1mg/l20242025202619 Jun 2024, 09:08: 0.048 mg/l19 Jul 2024, 08:13: 0.057 mg/l27 Aug 2024, 10:16: 0.1 mg/l17 Sep 2024, 10:40: 0.065 mg/l22 Oct 2024, 11:26: 0.042 mg/l22 Nov 2024, 11:40: 0.039 mg/l5 Dec 2024, 10:21: 0.05 mg/l20 Jan 2025, 08:08: 0.032 mg/l20 Feb 2025, 09:39: 0.039 mg/l17 Mar 2025, 10:51: 0.013 mg/l28 Apr 2025, 14:00: 0.048 mg/l14 May 2025, 11:52: 0.063 mg/l4 Jun 2025, 10:32: 0.065 mg/l4 Jul 2025, 11:21: 0.094 mg/l6 Aug 2025, 10:50: 0.07 mg/l19 Sep 2025, 10:23: 0.076 mg/l3 Oct 2025, 08:22: 0.03 mg/l4 Nov 2025, 10:24: 0.047 mg/l4 Dec 2025, 10:37: 0.047 mg/l7 Jan 2026, 10:10: 0.044 mg/l6 Feb 2026, 11:49: 0.09 mg/l2 Mar 2026, 11:45: 0.039 mg/l30 Apr 2026, 07:48: 0.092 mg/l20 May 2026, 09:11: 0.048 mg/l
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:110.048 0.048 mg/l
30 Apr 2026, 07:480.092 0.092 mg/l
2 Mar 2026, 11:450.039 0.039 mg/l
6 Feb 2026, 11:490.09 0.09 mg/l
7 Jan 2026, 10:100.044 0.044 mg/l
4 Dec 2025, 10:370.047 0.047 mg/l
4 Nov 2025, 10:240.047 0.047 mg/l
3 Oct 2025, 08:220.03 0.03 mg/l
19 Sep 2025, 10:230.076 0.076 mg/l
6 Aug 2025, 10:500.07 0.07 mg/l
4 Jul 2025, 11:210.094 0.094 mg/l
4 Jun 2025, 10:320.065 0.065 mg/l
14 May 2025, 11:520.063 0.063 mg/l
28 Apr 2025, 14:000.048 0.048 mg/l
17 Mar 2025, 10:510.013 0.013 mg/l
20 Feb 2025, 09:390.039 0.039 mg/l
20 Jan 2025, 08:080.032 0.032 mg/l
5 Dec 2024, 10:210.05 0.05 mg/l
22 Nov 2024, 11:400.039 0.039 mg/l
22 Oct 2024, 11:260.042 0.042 mg/l
17 Sep 2024, 10:400.065 0.065 mg/l
27 Aug 2024, 10:160.1 0.1 mg/l
19 Jul 2024, 08:130.057 0.057 mg/l
19 Jun 2024, 09:080.048 0.048 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

869 µS/cm

Sampled 20 May 2026, 4 months ago · 24 results banked

40060080010001200µS/cm20242025202619 Jun 2024, 09:08: 871 µS/cm19 Jul 2024, 08:13: 850 µS/cm27 Aug 2024, 10:16: 951 µS/cm17 Sep 2024, 10:40: 936 µS/cm22 Oct 2024, 11:26: 782 µS/cm22 Nov 2024, 11:40: 967 µS/cm5 Dec 2024, 10:21: 809 µS/cm20 Jan 2025, 08:08: 773 µS/cm20 Feb 2025, 09:39: 828 µS/cm17 Mar 2025, 10:51: 841 µS/cm28 Apr 2025, 14:00: 906 µS/cm14 May 2025, 11:52: 946 µS/cm4 Jun 2025, 10:32: 1183 µS/cm4 Jul 2025, 11:21: 953 µS/cm6 Aug 2025, 10:50: 926 µS/cm19 Sep 2025, 10:23: 1026 µS/cm3 Oct 2025, 08:22: 1106 µS/cm4 Nov 2025, 10:24: 877 µS/cm4 Dec 2025, 10:37: 770 µS/cm7 Jan 2026, 10:10: 1119 µS/cm6 Feb 2026, 11:49: 468 µS/cm2 Mar 2026, 11:45: 720 µS/cm30 Apr 2026, 07:48: 898 µS/cm20 May 2026, 09:11: 869 µS/cm
Every result (24)
SampledResult as publishedReads as
20 May 2026, 09:11869 869 µS/cm
30 Apr 2026, 07:48898 898 µS/cm
2 Mar 2026, 11:45720 720 µS/cm
6 Feb 2026, 11:49468 468 µS/cm
7 Jan 2026, 10:101119 1119 µS/cm
4 Dec 2025, 10:37770 770 µS/cm
4 Nov 2025, 10:24877 877 µS/cm
3 Oct 2025, 08:221106 1106 µS/cm
19 Sep 2025, 10:231026 1026 µS/cm
6 Aug 2025, 10:50926 926 µS/cm
4 Jul 2025, 11:21953 953 µS/cm
4 Jun 2025, 10:321183 1183 µS/cm
14 May 2025, 11:52946 946 µS/cm
28 Apr 2025, 14:00906 906 µS/cm
17 Mar 2025, 10:51841 841 µS/cm
20 Feb 2025, 09:39828 828 µS/cm
20 Jan 2025, 08:08773 773 µS/cm
5 Dec 2024, 10:21809 809 µS/cm
22 Nov 2024, 11:40967 967 µS/cm
22 Oct 2024, 11:26782 782 µS/cm
17 Sep 2024, 10:40936 936 µS/cm
27 Aug 2024, 10:16951 951 µS/cm
19 Jul 2024, 08:13850 850 µS/cm
19 Jun 2024, 09:08871 871 µS/cm

Everything measured here

13 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 13 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 24 Jun 2024 – May 2026 91.6% 20 May 2026
Oxygen, Dissolved as O2 9924 River water 24 Jun 2024 – May 2026 9.85 mg/l 20 May 2026
Temperature of Water 0076 River water 24 Jun 2024 – May 2026 12 °C 20 May 2026
pH 0061 River water 24 Jun 2024 – May 2026 8.27 20 May 2026
Ammoniacal Nitrogen as N 0111 River water 24 Jun 2024 – May 2026 below 0.03 mg/l 20 May 2026
Nitrate as N 0117 River water 24 Jun 2024 – May 2026 11 mg/l 20 May 2026
Orthophosphate, reactive as P 0180 River water 24 Jun 2024 – May 2026 0.048 mg/l 20 May 2026
Conductivity at 25 C 0077 River water 24 Jun 2024 – May 2026 869 µS/cm 20 May 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 24 Jun 2024 – May 2026 210 mg/l 20 May 2026
Ammonia un-ionised as N 0119 River water 24 Jun 2024 – May 2026 below 0.00063 mg/l 20 May 2026
BOD : 5 Day ATU 0085 River water 22 Jun 2024 – May 2026 6.3 mg/l 20 May 2026
Nitrite as N 0118 River water 24 Jun 2024 – May 2026 0.031 mg/l 20 May 2026
Nitrogen, Total Oxidised as N 0116 River water 24 Jun 2024 – May 2026 11 mg/l 20 May 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.