Elmsley Lane

EA name: ELMSLEY LANE (also listed as “RSN0307 ELMSLEY LANE”)
Environment Agency sampling point SW-RSN0307 · 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
16 Dec 2025, 14:519 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
23 since 8 Jan 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 334188, 165321As published, to the nearest 1 m. Open in a map
River, by its own name
Its name does not give one
River, by the map
Not placedNo mapped watercourse within 500 m. The river map cannot say which watercourse this is.
Next gauge downstream
Not known
Why it was sampled
Monitoring (national agency policy) (23 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

45.3%

Sampled 16 Dec 2025, 9 months ago · 23 results banked

0255075100125%2024202520268 Jan 2024, 13:07: 56.4%6 Feb 2024, 14:40: 77.8%13 Mar 2024, 10:31: 50.9%11 Apr 2024, 10:45: 69.2%13 May 2024, 12:16: 81.2%5 Jun 2024, 13:54: 97.7%4 Jul 2024, 11:01: 86.1%2 Aug 2024, 11:02: 65.7%10 Sep 2024, 11:20: 79.5%7 Oct 2024, 11:59: 20.5%11 Nov 2024, 11:21: 30.9%10 Dec 2024, 10:12: 79.3%24 Feb 2025, 12:18: 51.4%13 Mar 2025, 11:16: 102.1%24 Apr 2025, 09:45: 98.6%27 May 2025, 10:02: 63.1%17 Jun 2025, 09:15: 31.8%4 Jul 2025, 09:41: 24.6%13 Aug 2025, 14:58: 3.7%8 Sep 2025, 12:49: 28%8 Oct 2025, 13:58: 18.9%27 Nov 2025, 11:24: 53.9%16 Dec 2025, 14:51: 45.3%
Every result (23)
SampledResult as publishedReads as
16 Dec 2025, 14:5145.3 45.3%
27 Nov 2025, 11:2453.9 53.9%
8 Oct 2025, 13:5818.9 18.9%
8 Sep 2025, 12:4928 28%
13 Aug 2025, 14:583.7 3.7%
4 Jul 2025, 09:4124.6 24.6%
17 Jun 2025, 09:1531.8 31.8%
27 May 2025, 10:0263.1 63.1%
24 Apr 2025, 09:4598.6 98.6%
13 Mar 2025, 11:16102.1 102.1%
24 Feb 2025, 12:1851.4 51.4%
10 Dec 2024, 10:1279.3 79.3%
11 Nov 2024, 11:2130.9 30.9%
7 Oct 2024, 11:5920.5 20.5%
10 Sep 2024, 11:2079.5 79.5%
2 Aug 2024, 11:0265.7 65.7%
4 Jul 2024, 11:0186.1 86.1%
5 Jun 2024, 13:5497.7 97.7%
13 May 2024, 12:1681.2 81.2%
11 Apr 2024, 10:4569.2 69.2%
13 Mar 2024, 10:3150.9 50.9%
6 Feb 2024, 14:4077.8 77.8%
8 Jan 2024, 13:0756.4 56.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

5.14 mg/l

Sampled 16 Dec 2025, 9 months ago · 23 results banked

051015mg/l2024202520268 Jan 2024, 13:07: 7.44 mg/l6 Feb 2024, 14:40: 8.71 mg/l13 Mar 2024, 10:31: 5.69 mg/l11 Apr 2024, 10:45: 7.35 mg/l13 May 2024, 12:16: 7.72 mg/l5 Jun 2024, 13:54: 9.34 mg/l4 Jul 2024, 11:01: 8.3 mg/l2 Aug 2024, 11:02: 5.92 mg/l10 Sep 2024, 11:20: 7.8 mg/l7 Oct 2024, 11:59: 2.14 mg/l11 Nov 2024, 11:21: 3.38 mg/l10 Dec 2024, 10:12: 9.78 mg/l24 Feb 2025, 12:18: 5.8 mg/l13 Mar 2025, 11:16: 12.8 mg/l24 Apr 2025, 09:45: 10.3 mg/l27 May 2025, 10:02: 6.39 mg/l17 Jun 2025, 09:15: 3.08 mg/l4 Jul 2025, 09:41: 2.36 mg/l13 Aug 2025, 14:58: 0.339 mg/l8 Sep 2025, 12:49: 2.76 mg/l8 Oct 2025, 13:58: 1.94 mg/l27 Nov 2025, 11:24: 6.2 mg/l16 Dec 2025, 14:51: 5.14 mg/l
Every result (23)
SampledResult as publishedReads as
16 Dec 2025, 14:515.14 5.14 mg/l
27 Nov 2025, 11:246.2 6.2 mg/l
8 Oct 2025, 13:581.94 1.94 mg/l
8 Sep 2025, 12:492.76 2.76 mg/l
13 Aug 2025, 14:580.339 0.339 mg/l
4 Jul 2025, 09:412.36 2.36 mg/l
17 Jun 2025, 09:153.08 3.08 mg/l
27 May 2025, 10:026.39 6.39 mg/l
24 Apr 2025, 09:4510.3 10.3 mg/l
13 Mar 2025, 11:1612.8 12.8 mg/l
24 Feb 2025, 12:185.8 5.8 mg/l
10 Dec 2024, 10:129.78 9.78 mg/l
11 Nov 2024, 11:213.38 3.38 mg/l
7 Oct 2024, 11:592.14 2.14 mg/l
10 Sep 2024, 11:207.8 7.8 mg/l
2 Aug 2024, 11:025.92 5.92 mg/l
4 Jul 2024, 11:018.3 8.3 mg/l
5 Jun 2024, 13:549.34 9.34 mg/l
13 May 2024, 12:167.72 7.72 mg/l
11 Apr 2024, 10:457.35 7.35 mg/l
13 Mar 2024, 10:315.69 5.69 mg/l
6 Feb 2024, 14:408.71 8.71 mg/l
8 Jan 2024, 13:077.44 7.44 mg/l

Water temperature

code 0076 · °C

9.7 °C

Sampled 16 Dec 2025, 9 months ago · 23 results banked

0510152025°C2024202520268 Jan 2024, 13:07: 3.7 °C6 Feb 2024, 14:40: 10.2 °C13 Mar 2024, 10:31: 10.3 °C11 Apr 2024, 10:45: 12.5 °C13 May 2024, 12:16: 17.6 °C5 Jun 2024, 13:54: 17.3 °C4 Jul 2024, 11:01: 16.9 °C2 Aug 2024, 11:02: 20.2 °C10 Sep 2024, 11:20: 16.1 °C7 Oct 2024, 11:59: 13.2 °C11 Nov 2024, 11:21: 11.2 °C10 Dec 2024, 10:12: 6.3 °C24 Feb 2025, 12:18: 9.9 °C13 Mar 2025, 11:16: 5.7 °C24 Apr 2025, 09:45: 13 °C27 May 2025, 10:02: 14.6 °C17 Jun 2025, 09:15: 16.7 °C4 Jul 2025, 09:41: 17.1 °C13 Aug 2025, 14:58: 19.4 °C8 Sep 2025, 12:49: 15.9 °C8 Oct 2025, 13:58: 14.1 °C27 Nov 2025, 11:24: 9.1 °C16 Dec 2025, 14:51: 9.7 °C
Every result (23)
SampledResult as publishedReads as
16 Dec 2025, 14:519.7 9.7 °C
27 Nov 2025, 11:249.1 9.1 °C
8 Oct 2025, 13:5814.1 14.1 °C
8 Sep 2025, 12:4915.9 15.9 °C
13 Aug 2025, 14:5819.4 19.4 °C
4 Jul 2025, 09:4117.1 17.1 °C
17 Jun 2025, 09:1516.7 16.7 °C
27 May 2025, 10:0214.6 14.6 °C
24 Apr 2025, 09:4513 13 °C
13 Mar 2025, 11:165.7 5.7 °C
24 Feb 2025, 12:189.9 9.9 °C
10 Dec 2024, 10:126.3 6.3 °C
11 Nov 2024, 11:2111.2 11.2 °C
7 Oct 2024, 11:5913.2 13.2 °C
10 Sep 2024, 11:2016.1 16.1 °C
2 Aug 2024, 11:0220.2 20.2 °C
4 Jul 2024, 11:0116.9 16.9 °C
5 Jun 2024, 13:5417.3 17.3 °C
13 May 2024, 12:1617.6 17.6 °C
11 Apr 2024, 10:4512.5 12.5 °C
13 Mar 2024, 10:3110.3 10.3 °C
6 Feb 2024, 14:4010.2 10.2 °C
8 Jan 2024, 13:073.7 3.7 °C

pH

code 0061

7.5

Sampled 16 Dec 2025, 9 months ago · 23 results banked

77.588.592024202520268 Jan 2024, 13:07: 7.586 Feb 2024, 14:40: 7.9713 Mar 2024, 10:31: 7.711 Apr 2024, 10:45: 7.813 May 2024, 12:16: 8.15 Jun 2024, 13:54: 8.14 Jul 2024, 11:01: 8.42 Aug 2024, 11:02: 7.910 Sep 2024, 11:20: 7.87 Oct 2024, 11:59: 7.511 Nov 2024, 11:21: 7.810 Dec 2024, 10:12: 824 Feb 2025, 12:18: 7.413 Mar 2025, 11:16: 8.324 Apr 2025, 09:45: 8.727 May 2025, 10:02: 7.917 Jun 2025, 09:15: 7.54 Jul 2025, 09:41: 7.613 Aug 2025, 14:58: 7.78 Sep 2025, 12:49: 7.38 Oct 2025, 13:58: 7.427 Nov 2025, 11:24: 7.616 Dec 2025, 14:51: 7.5
Every result (23)
SampledResult as publishedReads as
16 Dec 2025, 14:517.5 7.5
27 Nov 2025, 11:247.6 7.6
8 Oct 2025, 13:587.4 7.4
8 Sep 2025, 12:497.3 7.3
13 Aug 2025, 14:587.7 7.7
4 Jul 2025, 09:417.6 7.6
17 Jun 2025, 09:157.5 7.5
27 May 2025, 10:027.9 7.9
24 Apr 2025, 09:458.7 8.7
13 Mar 2025, 11:168.3 8.3
24 Feb 2025, 12:187.4 7.4
10 Dec 2024, 10:128 8
11 Nov 2024, 11:217.8 7.8
7 Oct 2024, 11:597.5 7.5
10 Sep 2024, 11:207.8 7.8
2 Aug 2024, 11:027.9 7.9
4 Jul 2024, 11:018.4 8.4
5 Jun 2024, 13:548.1 8.1
13 May 2024, 12:168.1 8.1
11 Apr 2024, 10:457.8 7.8
13 Mar 2024, 10:317.7 7.7
6 Feb 2024, 14:407.97 7.97
8 Jan 2024, 13:077.58 7.58

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.044 mg/l

Sampled 16 Dec 2025, 9 months ago · 22 results banked

00.20.40.6mg/l2024202520268 Jan 2024, 13:07: 0.31 mg/l13 Mar 2024, 10:31: 0.19 mg/l11 Apr 2024, 10:45: 0.52 mg/l13 May 2024, 12:16: 0.056 mg/l5 Jun 2024, 13:54: below 0.03 mg/l (not detected above this)4 Jul 2024, 11:01: below 0.03 mg/l (not detected above this)2 Aug 2024, 11:02: below 0.03 mg/l (not detected above this)10 Sep 2024, 11:20: below 0.03 mg/l (not detected above this)7 Oct 2024, 11:59: 0.28 mg/l11 Nov 2024, 11:21: 0.56 mg/l10 Dec 2024, 10:12: 0.088 mg/l24 Feb 2025, 12:18: 0.1 mg/l13 Mar 2025, 11:16: below 0.03 mg/l (not detected above this)24 Apr 2025, 09:45: below 0.03 mg/l (not detected above this)27 May 2025, 10:02: below 0.03 mg/l (not detected above this)17 Jun 2025, 09:15: 0.083 mg/l4 Jul 2025, 09:41: below 0.03 mg/l (not detected above this)13 Aug 2025, 14:58: 0.1 mg/l8 Sep 2025, 12:49: below 0.03 mg/l (not detected above this)8 Oct 2025, 13:58: below 0.03 mg/l (not detected above this)27 Nov 2025, 11:24: 0.1 mg/l16 Dec 2025, 14:51: 0.044 mg/l
Every result (22)
SampledResult as publishedReads as
16 Dec 2025, 14:510.044 0.044 mg/l
27 Nov 2025, 11:240.1 0.1 mg/l
8 Oct 2025, 13:58<0.03 below 0.03 mg/l (not detected above this)
8 Sep 2025, 12:49<0.03 below 0.03 mg/l (not detected above this)
13 Aug 2025, 14:580.1 0.1 mg/l
4 Jul 2025, 09:41<0.03 below 0.03 mg/l (not detected above this)
17 Jun 2025, 09:150.083 0.083 mg/l
27 May 2025, 10:02<0.03 below 0.03 mg/l (not detected above this)
24 Apr 2025, 09:45<0.03 below 0.03 mg/l (not detected above this)
13 Mar 2025, 11:16<0.03 below 0.03 mg/l (not detected above this)
24 Feb 2025, 12:180.1 0.1 mg/l
10 Dec 2024, 10:120.088 0.088 mg/l
11 Nov 2024, 11:210.56 0.56 mg/l
7 Oct 2024, 11:590.28 0.28 mg/l
10 Sep 2024, 11:20<0.03 below 0.03 mg/l (not detected above this)
2 Aug 2024, 11:02<0.03 below 0.03 mg/l (not detected above this)
4 Jul 2024, 11:01<0.03 below 0.03 mg/l (not detected above this)
5 Jun 2024, 13:54<0.03 below 0.03 mg/l (not detected above this)
13 May 2024, 12:160.056 0.056 mg/l
11 Apr 2024, 10:450.52 0.52 mg/l
13 Mar 2024, 10:310.19 0.19 mg/l
8 Jan 2024, 13:070.31 0.31 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

2.58 mg/l

Sampled 16 Dec 2025, 9 months ago · 23 results banked

02468mg/l2024202520268 Jan 2024, 13:07: 1.76 mg/l6 Feb 2024, 14:40: 0.297 mg/l13 Mar 2024, 10:31: 0.729 mg/l11 Apr 2024, 10:45: 0.926 mg/l13 May 2024, 12:16: below 0.196 mg/l (not detected above this)5 Jun 2024, 13:54: below 0.196 mg/l (not detected above this)4 Jul 2024, 11:01: below 0.196 mg/l (not detected above this)2 Aug 2024, 11:02: below 0.196 mg/l (not detected above this)10 Sep 2024, 11:20: below 0.196 mg/l (not detected above this)7 Oct 2024, 11:59: 0.166 mg/l11 Nov 2024, 11:21: 0.181 mg/l10 Dec 2024, 10:12: 0.525 mg/l24 Feb 2025, 12:18: 0.745 mg/l13 Mar 2025, 11:16: below 0.196 mg/l (not detected above this)24 Apr 2025, 09:45: below 0.196 mg/l (not detected above this)27 May 2025, 10:02: below 0.196 mg/l (not detected above this)17 Jun 2025, 09:15: below 0.196 mg/l (not detected above this)4 Jul 2025, 09:41: below 0.196 mg/l (not detected above this)13 Aug 2025, 14:58: below 0.196 mg/l (not detected above this)8 Sep 2025, 12:49: below 0.196 mg/l (not detected above this)8 Oct 2025, 13:58: below 0.196 mg/l (not detected above this)27 Nov 2025, 11:24: 7.09 mg/l16 Dec 2025, 14:51: 2.58 mg/l
Every result (23)
SampledResult as publishedReads as
16 Dec 2025, 14:512.58 2.58 mg/l
27 Nov 2025, 11:247.09 7.09 mg/l
8 Oct 2025, 13:58<0.196 below 0.196 mg/l (not detected above this)
8 Sep 2025, 12:49<0.196 below 0.196 mg/l (not detected above this)
13 Aug 2025, 14:58<0.196 below 0.196 mg/l (not detected above this)
4 Jul 2025, 09:41<0.196 below 0.196 mg/l (not detected above this)
17 Jun 2025, 09:15<0.196 below 0.196 mg/l (not detected above this)
27 May 2025, 10:02<0.196 below 0.196 mg/l (not detected above this)
24 Apr 2025, 09:45<0.196 below 0.196 mg/l (not detected above this)
13 Mar 2025, 11:16<0.196 below 0.196 mg/l (not detected above this)
24 Feb 2025, 12:180.745 0.745 mg/l
10 Dec 2024, 10:120.525 0.525 mg/l
11 Nov 2024, 11:210.181 0.181 mg/l
7 Oct 2024, 11:590.166 0.166 mg/l
10 Sep 2024, 11:20<0.196 below 0.196 mg/l (not detected above this)
2 Aug 2024, 11:02<0.196 below 0.196 mg/l (not detected above this)
4 Jul 2024, 11:01<0.196 below 0.196 mg/l (not detected above this)
5 Jun 2024, 13:54<0.196 below 0.196 mg/l (not detected above this)
13 May 2024, 12:16<0.196 below 0.196 mg/l (not detected above this)
11 Apr 2024, 10:450.926 0.926 mg/l
13 Mar 2024, 10:310.729 0.729 mg/l
6 Feb 2024, 14:400.297 0.297 mg/l
8 Jan 2024, 13:071.76 1.76 mg/l

Phosphate

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

0.25 mg/l

Sampled 16 Dec 2025, 9 months ago · 23 results banked

00.20.40.6mg/l2024202520268 Jan 2024, 13:07: 0.2 mg/l6 Feb 2024, 14:40: 0.39 mg/l13 Mar 2024, 10:31: 0.2 mg/l11 Apr 2024, 10:45: 0.48 mg/l13 May 2024, 12:16: 0.14 mg/l5 Jun 2024, 13:54: 0.3 mg/l4 Jul 2024, 11:01: 0.32 mg/l2 Aug 2024, 11:02: 0.14 mg/l10 Sep 2024, 11:20: 0.36 mg/l7 Oct 2024, 11:59: 0.59 mg/l11 Nov 2024, 11:21: 0.44 mg/l10 Dec 2024, 10:12: 0.25 mg/l24 Feb 2025, 12:18: 0.17 mg/l13 Mar 2025, 11:16: 0.15 mg/l24 Apr 2025, 09:45: 0.17 mg/l27 May 2025, 10:02: 0.2 mg/l17 Jun 2025, 09:15: 0.18 mg/l4 Jul 2025, 09:41: 0.24 mg/l13 Aug 2025, 14:58: 0.21 mg/l8 Sep 2025, 12:49: 0.33 mg/l8 Oct 2025, 13:58: 0.51 mg/l27 Nov 2025, 11:24: 0.18 mg/l16 Dec 2025, 14:51: 0.25 mg/l
Every result (23)
SampledResult as publishedReads as
16 Dec 2025, 14:510.25 0.25 mg/l
27 Nov 2025, 11:240.18 0.18 mg/l
8 Oct 2025, 13:580.51 0.51 mg/l
8 Sep 2025, 12:490.33 0.33 mg/l
13 Aug 2025, 14:580.21 0.21 mg/l
4 Jul 2025, 09:410.24 0.24 mg/l
17 Jun 2025, 09:150.18 0.18 mg/l
27 May 2025, 10:020.2 0.2 mg/l
24 Apr 2025, 09:450.17 0.17 mg/l
13 Mar 2025, 11:160.15 0.15 mg/l
24 Feb 2025, 12:180.17 0.17 mg/l
10 Dec 2024, 10:120.25 0.25 mg/l
11 Nov 2024, 11:210.44 0.44 mg/l
7 Oct 2024, 11:590.59 0.59 mg/l
10 Sep 2024, 11:200.36 0.36 mg/l
2 Aug 2024, 11:020.14 0.14 mg/l
4 Jul 2024, 11:010.32 0.32 mg/l
5 Jun 2024, 13:540.3 0.3 mg/l
13 May 2024, 12:160.14 0.14 mg/l
11 Apr 2024, 10:450.48 0.48 mg/l
13 Mar 2024, 10:310.2 0.2 mg/l
6 Feb 2024, 14:400.39 0.39 mg/l
8 Jan 2024, 13:070.2 0.2 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

535 µS/cm

Sampled 16 Dec 2025, 9 months ago · 23 results banked

500100015002000µS/cm2024202520268 Jan 2024, 13:07: 844 µS/cm6 Feb 2024, 14:40: 1070 µS/cm13 Mar 2024, 10:31: 625 µS/cm11 Apr 2024, 10:45: 858 µS/cm13 May 2024, 12:16: 1135 µS/cm5 Jun 2024, 13:54: 1190 µS/cm4 Jul 2024, 11:01: 1231 µS/cm2 Aug 2024, 11:02: 1119 µS/cm10 Sep 2024, 11:20: 851 µS/cm7 Oct 2024, 11:59: 912 µS/cm11 Nov 2024, 11:21: 1030 µS/cm10 Dec 2024, 10:12: 865 µS/cm24 Feb 2025, 12:18: 540 µS/cm13 Mar 2025, 11:16: 1029 µS/cm24 Apr 2025, 09:45: 1051 µS/cm27 May 2025, 10:02: 1128 µS/cm17 Jun 2025, 09:15: 1181 µS/cm4 Jul 2025, 09:41: 1365 µS/cm13 Aug 2025, 14:58: 1664 µS/cm8 Sep 2025, 12:49: 846 µS/cm8 Oct 2025, 13:58: 695 µS/cm27 Nov 2025, 11:24: 1024 µS/cm16 Dec 2025, 14:51: 535 µS/cm
Every result (23)
SampledResult as publishedReads as
16 Dec 2025, 14:51535 535 µS/cm
27 Nov 2025, 11:241024 1024 µS/cm
8 Oct 2025, 13:58695 695 µS/cm
8 Sep 2025, 12:49846 846 µS/cm
13 Aug 2025, 14:581664 1664 µS/cm
4 Jul 2025, 09:411365 1365 µS/cm
17 Jun 2025, 09:151181 1181 µS/cm
27 May 2025, 10:021128 1128 µS/cm
24 Apr 2025, 09:451051 1051 µS/cm
13 Mar 2025, 11:161029 1029 µS/cm
24 Feb 2025, 12:18540 540 µS/cm
10 Dec 2024, 10:12865 865 µS/cm
11 Nov 2024, 11:211030 1030 µS/cm
7 Oct 2024, 11:59912 912 µS/cm
10 Sep 2024, 11:20851 851 µS/cm
2 Aug 2024, 11:021119 1119 µS/cm
4 Jul 2024, 11:011231 1231 µS/cm
5 Jun 2024, 13:541190 1190 µS/cm
13 May 2024, 12:161135 1135 µS/cm
11 Apr 2024, 10:45858 858 µS/cm
13 Mar 2024, 10:31625 625 µS/cm
6 Feb 2024, 14:401070 1070 µS/cm
8 Jan 2024, 13:07844 844 µS/cm

Everything measured here

123 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 123 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 23 Jan 2024 – Dec 2025 45.3% 16 Dec 2025
Oxygen, Dissolved as O2 9924 River water 23 Jan 2024 – Dec 2025 5.14 mg/l 16 Dec 2025
Temperature of Water 0076 River water 23 Jan 2024 – Dec 2025 9.7 °C 16 Dec 2025
pH 0061 River water 23 Jan 2024 – Dec 2025 7.5 16 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 22 Jan 2024 – Dec 2025 0.044 mg/l 16 Dec 2025
Nitrate as N 0117 River water 23 Jan 2024 – Dec 2025 2.58 mg/l 16 Dec 2025
Orthophosphate, reactive as P 0180 River water 23 Jan 2024 – Dec 2025 0.25 mg/l 16 Dec 2025
Conductivity at 25 C 0077 River water 23 Jan 2024 – Dec 2025 535 µS/cm 16 Dec 2025
17alpha ethynyloestradiol :- {EE2} 9899 River water 11 Feb 2024 – Dec 2024 below 0.03 nanogram per litre 10 Dec 2024
17beta oestradiol :- {E2} 9898 River water 11 Feb 2024 – Dec 2024 0.049 nanogram per litre 10 Dec 2024
2,3,6-TBA :- {2,3,6-Trichlorobenzoic acid} 7726 River water 23 Jan 2024 – Dec 2025 below 0.02 µg/l 16 Dec 2025
2,4,5-T :- {2,4,5-Trichlorophenoxyacetic acid} 3546 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
2,4-D :- {2,4-Dichlorophenoxyacetic acid} 3545 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
2,4-DB :- {4-(2,4-dichlorophenoxy)butyric acid} 3791 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
2-Phenoxypropionic acid :- {PPA} 6673 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
4-Chloro-2-methylphenol :- {p-Chloro-o-cresol} 3341 River water 23 Jan 2024 – Dec 2025 below 0.05 µg/l 16 Dec 2025
4-Chlorophenoxyacetic acid 3547 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
4-Nonylphenol Branched 9190 River water 22 Feb 2024 – Dec 2025 below 0.04 µg/l 16 Dec 2025
4-Phenoxybutyric acid :- {PBA} 6672 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
4-tert-Octylphenol :- {p-tert-Octylphenol} 9267 River water 22 Feb 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Aldicarb 9344 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Aldicarb sulfoxide 8806 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Aldoxycarb :- {Aldicarb Sulfone} 8807 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 23 Jan 2024 – Dec 2025 180 mg/l 16 Dec 2025
Aluminium, Dissolved 6037 River water 23 Jan 2024 – Dec 2025 1800 µg/l 16 Dec 2025
Aminomethylphosphonic acid 7125 River water 20 Apr 2024 – Dec 2025 0.51 µg/l 16 Dec 2025
Ammonia un-ionised as N 0119 River water 22 Jan 2024 – Dec 2025 0.00025 mg/l 16 Dec 2025
Asulam 3004 River water 23 Jan 2024 – Dec 2025 below 0.02 µg/l 16 Dec 2025
Azoxystrobin 5050 River water 22 Jan 2024 – Dec 2025 below 0.02 µg/l 16 Dec 2025
Barium, Dissolved 9446 River water 23 Jan 2024 – Dec 2025 40 µg/l 16 Dec 2025
Benazolin 3792 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Bentazone 4065 River water 23 Jan 2024 – Dec 2025 below 0.003 µg/l 16 Dec 2025
Benzo(a)Pyrene 6399 River water 18 Jan 2024 – Dec 2025 0.0018 µg/l 16 Dec 2025
Benzo(b)Fluoranthene 0731 River water 18 Jan 2024 – Dec 2025 0.0022 µg/l 16 Dec 2025
Benzo(g,h,i)Perylene 0714 River water 17 Feb 2024 – Dec 2025 0.0031 µg/l 16 Dec 2025
Benzo(k)Fluoranthene 0733 River water 20 Jan 2024 – Dec 2025 0.00085 µg/l 16 Dec 2025
Boron, Dissolved 9447 River water 23 Jan 2024 – Dec 2025 110 µg/l 16 Dec 2025
Bromoxynil 6449 River water 22 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Cadmium, Dissolved 0106 River water 23 Jan 2024 – Dec 2025 0.094 µg/l 16 Dec 2025
Calcium, Dissolved 0239 River water 23 Jan 2024 – Dec 2025 59 mg/l 16 Dec 2025
Carbaryl 9343 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Carbendazim 3475 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Carbetamide 9073 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Carbofuran 3086 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 21 Jan 2024 – Dec 2025 12 mg/l 16 Dec 2025
Chloridazon 6760 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Chloride 0172 River water 23 Jan 2024 – Dec 2025 50 mg/l 16 Dec 2025
Chlorotoluron 9348 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Chloroxuron 3399 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Chromium, Dissolved 3409 River water 23 Jan 2024 – Dec 2025 3.7 µg/l 16 Dec 2025
cis-Permethrin 9341 River water 21 Jan 2024 – Nov 2025 below 0.0001 µg/l 27 Nov 2025
Clopyralid 6620 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Copper : BLM Bioavailable 4821 River water 21 Jan 2024 – Dec 2025 0.12 µg/l 16 Dec 2025
Copper, Dissolved 6450 River water 23 Jan 2024 – Dec 2025 6.3 µg/l 16 Dec 2025
Cypermethrin 0073 River water 19 Jan 2024 – Nov 2025 below 0.00002 µg/l 27 Nov 2025
Cypermethrin Identification 5446 River water 19 Jan 2024 – Nov 2025 1 text result 27 Nov 2025
Di(2-ethylhexyl) phthalate :- {DEHP} 6724 River water 19 Apr 2024 – Dec 2025 below 0.2 µg/l 16 Dec 2025
Dicamba 3550 River water 22 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Dichlorprop :- {2,4-DP} 3551 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Diflurobenzuron 9345 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Diuron 3811 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Ethiofencarb 6955 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Ethirimol 5047 River water 23 Jan 2024 – Dec 2025 below 0.05 µg/l 16 Dec 2025
Fenoprop 3552 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Fenuron 9339 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Flow Type 2896 River water 13 Jul 2024 – Dec 2025 High Flow 16 Dec 2025
Fluoranthene 0736 River water 18 Jan 2024 – Dec 2025 0.0052 µg/l 16 Dec 2025
Fluroxypyr 4064 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 River water 23 Jan 2024 – Dec 2025 1 text result 16 Dec 2025
Glyphosate 3007 River water 20 Apr 2024 – Dec 2025 2.1 µg/l 16 Dec 2025
Hardness, Calcium 0163 River water 23 Jan 2024 – Dec 2025 147 mg/l 16 Dec 2025
Hardness, Total as CaCO3 0158 River water 23 Jan 2024 – Dec 2025 197 mg/l 16 Dec 2025
Imazapyr 7025 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Indeno(1,2,3-cd)pyrene 0746 River water 19 Jan 2024 – Dec 2025 0.0029 µg/l 16 Dec 2025
Ioxynil 9068 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Iron, Dissolved 6460 River water 23 Jan 2024 – Dec 2025 2800 µg/l 16 Dec 2025
Isoproturon 3117 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
LCMS Screen : Semi Quantitative 7299 River water 10 Mar 2025 – Dec 2025 1 text result 16 Dec 2025
Lead : BLM Bioavailable 3377 River water 21 Jan 2024 – Dec 2025 0.27 µg/l 16 Dec 2025
Lead, Dissolved 0052 River water 23 Jan 2024 – Dec 2025 3.2 µg/l 16 Dec 2025
Linuron 3118 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Lithium, Dissolved 4201 River water 23 Jan 2024 – Dec 2025 below 100 µg/l 16 Dec 2025
Magnesium, Dissolved 0235 River water 23 Jan 2024 – Dec 2025 12 mg/l 16 Dec 2025
Manganese : BLM Bioavailable 4820 River water 21 Jan 2024 – Dec 2025 17 µg/l 16 Dec 2025
Manganese, Dissolved 6458 River water 23 Jan 2024 – Dec 2025 44 µg/l 16 Dec 2025
MCPA :- {4-Chloro-2-methylphenoxyacetic acid} 3548 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
MCPB :- {4-Chloro-2-methylphenoxybutyric acid} 3790 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Mecoprop 3549 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Methabenzthiazuron 7053 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Methiocarb 6971 River water 23 Jan 2024 – Dec 2025 below 0.001 µg/l 16 Dec 2025
Methomyl 6972 River water 22 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Metoxuron 3130 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Metsulfuron-methyl 9861 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Monolinuron 3925 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Monuron 3400 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Neburon 9756 River water 23 Jan 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Nickel : BLM Bioavailable 3878 River water 21 Jan 2024 – Dec 2025 0.9 µg/l 16 Dec 2025
Nickel, Dissolved 3410 River water 23 Jan 2024 – Dec 2025 5.1 µg/l 16 Dec 2025
Nitrite as N 0118 River water 23 Jan 2024 – Dec 2025 0.017 mg/l 16 Dec 2025
Nitrogen, Total as N 9686 River water 23 Jan 2024 – Dec 2025 4.5 mg/l 16 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 23 Jan 2024 – Dec 2025 2.6 mg/l 16 Dec 2025
Oestrone :- {E1} 9889 River water 11 Feb 2024 – Dec 2024 0.26 nanogram per litre 10 Dec 2024
Oxamyl 6980 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Perfluorooctanoate anion 9274 River water 23 Jan 2024 – Dec 2025 0.001 µg/l 16 Dec 2025
Perfluorooctylsulphonate anion 9276 River water 23 Jan 2024 – Dec 2025 0.0042 µg/l 16 Dec 2025
Phenoxyacetic acid :- {PAA} 6671 River water 23 Jan 2024 – Dec 2025 0.1 µg/l 16 Dec 2025
Phosphorus, Total as P 0348 River water 21 Jan 2024 – Dec 2025 0.34 mg/l 16 Dec 2025
Picloram 9883 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Potassium, Dissolved 0209 River water 23 Jan 2024 – Dec 2025 6.8 mg/l 16 Dec 2025
Propoxur 6987 River water 23 Jan 2024 – Dec 2025 below 0.005 µg/l 16 Dec 2025
Silica, reactive as SiO2 0182 River water 23 Jan 2024 – Dec 2025 11 mg/l 16 Dec 2025
Sodium, Dissolved 0205 River water 23 Jan 2024 – Dec 2025 29 mg/l 16 Dec 2025
Solids, Suspended at 105 C 0135 River water 1 Dec 2025 – Dec 2025 67 mg/l 16 Dec 2025
Strontium, Filtered 6693 River water 23 Jan 2024 – Dec 2025 220 µg/l 16 Dec 2025
Sulcotrione 5042 River water 22 Jan 2024 – Dec 2025 below 0.1 µg/l 16 Dec 2025
Sulphate, Dissolved as SO4 7859 River water 23 Jan 2024 – Dec 2025 24 mg/l 16 Dec 2025
trans-Permethrin 9342 River water 17 Mar 2024 – Nov 2025 below 0.0001 µg/l 27 Nov 2025
Tributyl Tin as Cation 8944 River water 21 Jan 2024 – Dec 2025 below 0.00002 µg/l 16 Dec 2025
Triclopyr 3555 River water 23 Jan 2024 – Dec 2025 0.0051 µg/l 16 Dec 2025
Triclosan 5889 River water 20 Apr 2024 – Dec 2025 below 0.01 µg/l 16 Dec 2025
Triphenyl Tin as Cation 5732 River water 21 Jan 2024 – Dec 2025 below 0.00002 µg/l 16 Dec 2025
Zinc : BLM Bioavailable 4822 River water 21 Jan 2024 – Dec 2025 5 µg/l 16 Dec 2025
Zinc, Dissolved 3408 River water 23 Jan 2024 – Dec 2025 22 µg/l 16 Dec 2025

FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.

Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.

Contains OS data © Crown copyright and database rights 2026.