Cheaton Brook at Western View

EA name: CHEATON BROOK AT WESTERN VIEW (also listed as “RSN0326 CHEATON BROOK AT WESTERN VIEW”)
Environment Agency sampling point MD-RSN0326 · 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
19 Dec 2025, 11:309 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
21 since 30 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 357863, 262111As published, to the nearest 1 m. Open in a map
River, by its own name
Cheaton Brook
River, by the map
Cheaton BrookPlaced on the river its name gives, 17 m from the line.
Next gauge downstream
Butts Bridge On the River Lugg · 15 km along the river
Why it was sampled
Monitoring (national agency policy) (21 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

96.6%

Sampled 19 Dec 2025, 9 months ago · 21 results banked

8090100110120%20242025202630 Jan 2024, 10:45: 95.2%13 Feb 2024, 13:12: 99.4%26 Apr 2024, 13:18: 101.2%13 May 2024, 13:57: 96%27 Jun 2024, 12:21: 94.1%23 Jul 2024, 12:34: 95%14 Aug 2024, 13:21: 91.1%10 Oct 2024, 10:59: 96.5%12 Nov 2024, 13:35: 90.9%18 Dec 2024, 12:11: 96%19 Feb 2025, 10:41: 97.6%28 Mar 2025, 12:49: 114.1%30 Apr 2025, 12:08: 93.8%21 May 2025, 11:46: 83.7%11 Jun 2025, 11:40: 89.2%2 Jul 2025, 10:04: 85.6%13 Aug 2025, 10:08: 89.9%15 Sep 2025, 11:29: 88.1%27 Oct 2025, 11:37: 82.5%17 Nov 2025, 11:31: 97%19 Dec 2025, 11:30: 96.6%
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:3096.6 96.6%
17 Nov 2025, 11:3197 97%
27 Oct 2025, 11:3782.5 82.5%
15 Sep 2025, 11:2988.1 88.1%
13 Aug 2025, 10:0889.9 89.9%
2 Jul 2025, 10:0485.6 85.6%
11 Jun 2025, 11:4089.2 89.2%
21 May 2025, 11:4683.7 83.7%
30 Apr 2025, 12:0893.8 93.8%
28 Mar 2025, 12:49114.1 114.1%
19 Feb 2025, 10:4197.6 97.6%
18 Dec 2024, 12:1196 96%
12 Nov 2024, 13:3590.9 90.9%
10 Oct 2024, 10:5996.5 96.5%
14 Aug 2024, 13:2191.1 91.1%
23 Jul 2024, 12:3495 95%
27 Jun 2024, 12:2194.1 94.1%
13 May 2024, 13:5796 96%
26 Apr 2024, 13:18101.2 101.2%
13 Feb 2024, 13:1299.4 99.4%
30 Jan 2024, 10:4595.2 95.2%

Dissolved oxygen

as O2 · code 9924 · mg/l

11.4 mg/l

Sampled 19 Dec 2025, 9 months ago · 21 results banked

8101214mg/l20242025202630 Jan 2024, 10:45: 11.2 mg/l13 Feb 2024, 13:12: 12 mg/l26 Apr 2024, 13:18: 11.8 mg/l13 May 2024, 13:57: 10.1 mg/l27 Jun 2024, 12:21: 9.61 mg/l23 Jul 2024, 12:34: 9.53 mg/l14 Aug 2024, 13:21: 9.24 mg/l10 Oct 2024, 10:59: 10.7 mg/l12 Nov 2024, 13:35: 10.7 mg/l18 Dec 2024, 12:11: 10.8 mg/l19 Feb 2025, 10:41: 12.8 mg/l28 Mar 2025, 12:49: 12.9 mg/l30 Apr 2025, 12:08: 9.9 mg/l21 May 2025, 11:46: 9 mg/l11 Jun 2025, 11:40: 9.39 mg/l2 Jul 2025, 10:04: 8.7 mg/l13 Aug 2025, 10:08: 8.74 mg/l15 Sep 2025, 11:29: 9.28 mg/l27 Oct 2025, 11:37: 9.43 mg/l17 Nov 2025, 11:31: 11.5 mg/l19 Dec 2025, 11:30: 11.4 mg/l
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:3011.4 11.4 mg/l
17 Nov 2025, 11:3111.5 11.5 mg/l
27 Oct 2025, 11:379.43 9.43 mg/l
15 Sep 2025, 11:299.28 9.28 mg/l
13 Aug 2025, 10:088.74 8.74 mg/l
2 Jul 2025, 10:048.7 8.7 mg/l
11 Jun 2025, 11:409.39 9.39 mg/l
21 May 2025, 11:469 9 mg/l
30 Apr 2025, 12:089.9 9.9 mg/l
28 Mar 2025, 12:4912.9 12.9 mg/l
19 Feb 2025, 10:4112.8 12.8 mg/l
18 Dec 2024, 12:1110.8 10.8 mg/l
12 Nov 2024, 13:3510.7 10.7 mg/l
10 Oct 2024, 10:5910.7 10.7 mg/l
14 Aug 2024, 13:219.24 9.24 mg/l
23 Jul 2024, 12:349.53 9.53 mg/l
27 Jun 2024, 12:219.61 9.61 mg/l
13 May 2024, 13:5710.1 10.1 mg/l
26 Apr 2024, 13:1811.8 11.8 mg/l
13 Feb 2024, 13:1212 12 mg/l
30 Jan 2024, 10:4511.2 11.2 mg/l

Water temperature

code 0076 · °C

7.9 °C

Sampled 19 Dec 2025, 9 months ago · 21 results banked

05101520°C20242025202630 Jan 2024, 10:45: 8.2 °C13 Feb 2024, 13:12: 7.1 °C26 Apr 2024, 13:18: 8.5 °C13 May 2024, 13:57: 13.1 °C27 Jun 2024, 12:21: 14.3 °C23 Jul 2024, 12:34: 15.1 °C14 Aug 2024, 13:21: 14.6 °C10 Oct 2024, 10:59: 10.7 °C12 Nov 2024, 13:35: 8.2 °C18 Dec 2024, 12:11: 10.2 °C19 Feb 2025, 10:41: 4 °C28 Mar 2025, 12:49: 10 °C30 Apr 2025, 12:08: 12.8 °C21 May 2025, 11:46: 12 °C11 Jun 2025, 11:40: 12.9 °C2 Jul 2025, 10:04: 14.5 °C13 Aug 2025, 10:08: 16.6 °C15 Sep 2025, 11:29: 12.9 °C27 Oct 2025, 11:37: 9.4 °C17 Nov 2025, 11:31: 7.8 °C19 Dec 2025, 11:30: 7.9 °C
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:307.9 7.9 °C
17 Nov 2025, 11:317.8 7.8 °C
27 Oct 2025, 11:379.4 9.4 °C
15 Sep 2025, 11:2912.9 12.9 °C
13 Aug 2025, 10:0816.6 16.6 °C
2 Jul 2025, 10:0414.5 14.5 °C
11 Jun 2025, 11:4012.9 12.9 °C
21 May 2025, 11:4612 12 °C
30 Apr 2025, 12:0812.8 12.8 °C
28 Mar 2025, 12:4910 10 °C
19 Feb 2025, 10:414 4 °C
18 Dec 2024, 12:1110.2 10.2 °C
12 Nov 2024, 13:358.2 8.2 °C
10 Oct 2024, 10:5910.7 10.7 °C
14 Aug 2024, 13:2114.6 14.6 °C
23 Jul 2024, 12:3415.1 15.1 °C
27 Jun 2024, 12:2114.3 14.3 °C
13 May 2024, 13:5713.1 13.1 °C
26 Apr 2024, 13:188.5 8.5 °C
13 Feb 2024, 13:127.1 7.1 °C
30 Jan 2024, 10:458.2 8.2 °C

pH

code 0061

7.9

Sampled 19 Dec 2025, 9 months ago · 21 results banked

7.888.28.420242025202630 Jan 2024, 10:45: 8.0413 Feb 2024, 13:12: 7.9626 Apr 2024, 13:18: 8.313 May 2024, 13:57: 8.327 Jun 2024, 12:21: 8.323 Jul 2024, 12:34: 8.314 Aug 2024, 13:21: 8.210 Oct 2024, 10:59: 7.912 Nov 2024, 13:35: 8.218 Dec 2024, 12:11: 8.119 Feb 2025, 10:41: 8.128 Mar 2025, 12:49: 8.430 Apr 2025, 12:08: 8.221 May 2025, 11:46: 7.911 Jun 2025, 11:40: 8.12 Jul 2025, 10:04: 8.213 Aug 2025, 10:08: 8.215 Sep 2025, 11:29: 8.127 Oct 2025, 11:37: 817 Nov 2025, 11:31: 819 Dec 2025, 11:30: 7.9
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:307.9 7.9
17 Nov 2025, 11:318 8
27 Oct 2025, 11:378 8
15 Sep 2025, 11:298.1 8.1
13 Aug 2025, 10:088.2 8.2
2 Jul 2025, 10:048.2 8.2
11 Jun 2025, 11:408.1 8.1
21 May 2025, 11:467.9 7.9
30 Apr 2025, 12:088.2 8.2
28 Mar 2025, 12:498.4 8.4
19 Feb 2025, 10:418.1 8.1
18 Dec 2024, 12:118.1 8.1
12 Nov 2024, 13:358.2 8.2
10 Oct 2024, 10:597.9 7.9
14 Aug 2024, 13:218.2 8.2
23 Jul 2024, 12:348.3 8.3
27 Jun 2024, 12:218.3 8.3
13 May 2024, 13:578.3 8.3
26 Apr 2024, 13:188.3 8.3
13 Feb 2024, 13:127.96 7.96
30 Jan 2024, 10:458.04 8.04

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 19 Dec 2025, 9 months ago · 21 results banked

00.10.20.3mg/l20242025202630 Jan 2024, 10:45: 0.27 mg/l13 Feb 2024, 13:12: 0.12 mg/l26 Apr 2024, 13:18: below 0.03 mg/l (not detected above this)13 May 2024, 13:57: below 0.03 mg/l (not detected above this)27 Jun 2024, 12:21: below 0.03 mg/l (not detected above this)23 Jul 2024, 12:34: below 0.03 mg/l (not detected above this)14 Aug 2024, 13:21: below 0.03 mg/l (not detected above this)10 Oct 2024, 10:59: 0.13 mg/l12 Nov 2024, 13:35: below 0.03 mg/l (not detected above this)18 Dec 2024, 12:11: below 0.03 mg/l (not detected above this)19 Feb 2025, 10:41: below 0.03 mg/l (not detected above this)28 Mar 2025, 12:49: below 0.03 mg/l (not detected above this)30 Apr 2025, 12:08: 0.04 mg/l21 May 2025, 11:46: below 0.03 mg/l (not detected above this)11 Jun 2025, 11:40: 0.049 mg/l2 Jul 2025, 10:04: below 0.03 mg/l (not detected above this)13 Aug 2025, 10:08: below 0.03 mg/l (not detected above this)15 Sep 2025, 11:29: below 0.03 mg/l (not detected above this)27 Oct 2025, 11:37: below 0.03 mg/l (not detected above this)17 Nov 2025, 11:31: below 0.03 mg/l (not detected above this)19 Dec 2025, 11:30: below 0.03 mg/l (not detected above this)
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:30<0.03 below 0.03 mg/l (not detected above this)
17 Nov 2025, 11:31<0.03 below 0.03 mg/l (not detected above this)
27 Oct 2025, 11:37<0.03 below 0.03 mg/l (not detected above this)
15 Sep 2025, 11:29<0.03 below 0.03 mg/l (not detected above this)
13 Aug 2025, 10:08<0.03 below 0.03 mg/l (not detected above this)
2 Jul 2025, 10:04<0.03 below 0.03 mg/l (not detected above this)
11 Jun 2025, 11:400.049 0.049 mg/l
21 May 2025, 11:46<0.03 below 0.03 mg/l (not detected above this)
30 Apr 2025, 12:080.04 0.04 mg/l
28 Mar 2025, 12:49<0.03 below 0.03 mg/l (not detected above this)
19 Feb 2025, 10:41<0.03 below 0.03 mg/l (not detected above this)
18 Dec 2024, 12:11<0.03 below 0.03 mg/l (not detected above this)
12 Nov 2024, 13:35<0.03 below 0.03 mg/l (not detected above this)
10 Oct 2024, 10:590.13 0.13 mg/l
14 Aug 2024, 13:21<0.03 below 0.03 mg/l (not detected above this)
23 Jul 2024, 12:34<0.03 below 0.03 mg/l (not detected above this)
27 Jun 2024, 12:21<0.03 below 0.03 mg/l (not detected above this)
13 May 2024, 13:57<0.03 below 0.03 mg/l (not detected above this)
26 Apr 2024, 13:18<0.03 below 0.03 mg/l (not detected above this)
13 Feb 2024, 13:120.12 0.12 mg/l
30 Jan 2024, 10:450.27 0.27 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

7.69 mg/l

Sampled 19 Dec 2025, 9 months ago · 21 results banked

051015mg/l20242025202630 Jan 2024, 10:45: 8.09 mg/l13 Feb 2024, 13:12: 3.48 mg/l26 Apr 2024, 13:18: 7.59 mg/l13 May 2024, 13:57: 7.49 mg/l27 Jun 2024, 12:21: 7.09 mg/l23 Jul 2024, 12:34: 5.79 mg/l14 Aug 2024, 13:21: 5.89 mg/l10 Oct 2024, 10:59: 14.9 mg/l12 Nov 2024, 13:35: 7.29 mg/l18 Dec 2024, 12:11: 7.97 mg/l19 Feb 2025, 10:41: 8.08 mg/l28 Mar 2025, 12:49: 6.48 mg/l30 Apr 2025, 12:08: 6.46 mg/l21 May 2025, 11:46: 5.75 mg/l11 Jun 2025, 11:40: 5.17 mg/l2 Jul 2025, 10:04: 4.87 mg/l13 Aug 2025, 10:08: 4.79 mg/l15 Sep 2025, 11:29: 3.79 mg/l27 Oct 2025, 11:37: 2.69 mg/l17 Nov 2025, 11:31: 8.67 mg/l19 Dec 2025, 11:30: 7.69 mg/l
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:307.69 7.69 mg/l
17 Nov 2025, 11:318.67 8.67 mg/l
27 Oct 2025, 11:372.69 2.69 mg/l
15 Sep 2025, 11:293.79 3.79 mg/l
13 Aug 2025, 10:084.79 4.79 mg/l
2 Jul 2025, 10:044.87 4.87 mg/l
11 Jun 2025, 11:405.17 5.17 mg/l
21 May 2025, 11:465.75 5.75 mg/l
30 Apr 2025, 12:086.46 6.46 mg/l
28 Mar 2025, 12:496.48 6.48 mg/l
19 Feb 2025, 10:418.08 8.08 mg/l
18 Dec 2024, 12:117.97 7.97 mg/l
12 Nov 2024, 13:357.29 7.29 mg/l
10 Oct 2024, 10:5914.9 14.9 mg/l
14 Aug 2024, 13:215.89 5.89 mg/l
23 Jul 2024, 12:345.79 5.79 mg/l
27 Jun 2024, 12:217.09 7.09 mg/l
13 May 2024, 13:577.49 7.49 mg/l
26 Apr 2024, 13:187.59 7.59 mg/l
13 Feb 2024, 13:123.48 3.48 mg/l
30 Jan 2024, 10:458.09 8.09 mg/l

Phosphate

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

0.14 mg/l

Sampled 19 Dec 2025, 9 months ago · 21 results banked

00.10.20.30.40.5mg/l20242025202630 Jan 2024, 10:45: 0.1 mg/l13 Feb 2024, 13:12: 0.1 mg/l26 Apr 2024, 13:18: 0.065 mg/l13 May 2024, 13:57: 0.14 mg/l27 Jun 2024, 12:21: 0.13 mg/l23 Jul 2024, 12:34: 0.16 mg/l14 Aug 2024, 13:21: 0.13 mg/l10 Oct 2024, 10:59: 0.45 mg/l12 Nov 2024, 13:35: 0.12 mg/l18 Dec 2024, 12:11: 0.12 mg/l19 Feb 2025, 10:41: 0.071 mg/l28 Mar 2025, 12:49: 0.084 mg/l30 Apr 2025, 12:08: 0.25 mg/l21 May 2025, 11:46: 0.16 mg/l11 Jun 2025, 11:40: 0.3 mg/l2 Jul 2025, 10:04: 0.32 mg/l13 Aug 2025, 10:08: 0.33 mg/l15 Sep 2025, 11:29: 0.22 mg/l27 Oct 2025, 11:37: 0.29 mg/l17 Nov 2025, 11:31: 0.11 mg/l19 Dec 2025, 11:30: 0.14 mg/l
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:300.14 0.14 mg/l
17 Nov 2025, 11:310.11 0.11 mg/l
27 Oct 2025, 11:370.29 0.29 mg/l
15 Sep 2025, 11:290.22 0.22 mg/l
13 Aug 2025, 10:080.33 0.33 mg/l
2 Jul 2025, 10:040.32 0.32 mg/l
11 Jun 2025, 11:400.3 0.3 mg/l
21 May 2025, 11:460.16 0.16 mg/l
30 Apr 2025, 12:080.25 0.25 mg/l
28 Mar 2025, 12:490.084 0.084 mg/l
19 Feb 2025, 10:410.071 0.071 mg/l
18 Dec 2024, 12:110.12 0.12 mg/l
12 Nov 2024, 13:350.12 0.12 mg/l
10 Oct 2024, 10:590.45 0.45 mg/l
14 Aug 2024, 13:210.13 0.13 mg/l
23 Jul 2024, 12:340.16 0.16 mg/l
27 Jun 2024, 12:210.13 0.13 mg/l
13 May 2024, 13:570.14 0.14 mg/l
26 Apr 2024, 13:180.065 0.065 mg/l
13 Feb 2024, 13:120.1 0.1 mg/l
30 Jan 2024, 10:450.1 0.1 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

346 µS/cm

Sampled 19 Dec 2025, 9 months ago · 21 results banked

200400600800µS/cm20242025202630 Jan 2024, 10:45: 573 µS/cm13 Feb 2024, 13:12: 250 µS/cm26 Apr 2024, 13:18: 594 µS/cm13 May 2024, 13:57: 635 µS/cm27 Jun 2024, 12:21: 641 µS/cm23 Jul 2024, 12:34: 622 µS/cm14 Aug 2024, 13:21: 625 µS/cm10 Oct 2024, 10:59: 444 µS/cm12 Nov 2024, 13:35: 644 µS/cm18 Dec 2024, 12:11: 575 µS/cm19 Feb 2025, 10:41: 561 µS/cm28 Mar 2025, 12:49: 614 µS/cm30 Apr 2025, 12:08: 655 µS/cm21 May 2025, 11:46: 661 µS/cm11 Jun 2025, 11:40: 630 µS/cm2 Jul 2025, 10:04: 597 µS/cm13 Aug 2025, 10:08: 580 µS/cm15 Sep 2025, 11:29: 545 µS/cm27 Oct 2025, 11:37: 558 µS/cm17 Nov 2025, 11:31: 440 µS/cm19 Dec 2025, 11:30: 346 µS/cm
Every result (21)
SampledResult as publishedReads as
19 Dec 2025, 11:30346 346 µS/cm
17 Nov 2025, 11:31440 440 µS/cm
27 Oct 2025, 11:37558 558 µS/cm
15 Sep 2025, 11:29545 545 µS/cm
13 Aug 2025, 10:08580 580 µS/cm
2 Jul 2025, 10:04597 597 µS/cm
11 Jun 2025, 11:40630 630 µS/cm
21 May 2025, 11:46661 661 µS/cm
30 Apr 2025, 12:08655 655 µS/cm
28 Mar 2025, 12:49614 614 µS/cm
19 Feb 2025, 10:41561 561 µS/cm
18 Dec 2024, 12:11575 575 µS/cm
12 Nov 2024, 13:35644 644 µS/cm
10 Oct 2024, 10:59444 444 µS/cm
14 Aug 2024, 13:21625 625 µS/cm
23 Jul 2024, 12:34622 622 µS/cm
27 Jun 2024, 12:21641 641 µS/cm
13 May 2024, 13:57635 635 µS/cm
26 Apr 2024, 13:18594 594 µS/cm
13 Feb 2024, 13:12250 250 µS/cm
30 Jan 2024, 10:45573 573 µS/cm

Everything measured here

119 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 119 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 21 Jan 2024 – Dec 2025 96.6% 19 Dec 2025
Oxygen, Dissolved as O2 9924 River water 21 Jan 2024 – Dec 2025 11.4 mg/l 19 Dec 2025
Temperature of Water 0076 River water 21 Jan 2024 – Dec 2025 7.9 °C 19 Dec 2025
pH 0061 River water 21 Jan 2024 – Dec 2025 7.9 19 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 21 Jan 2024 – Dec 2025 below 0.03 mg/l 19 Dec 2025
Nitrate as N 0117 River water 21 Jan 2024 – Dec 2025 7.69 mg/l 19 Dec 2025
Orthophosphate, reactive as P 0180 River water 21 Jan 2024 – Dec 2025 0.14 mg/l 19 Dec 2025
Conductivity at 25 C 0077 River water 21 Jan 2024 – Dec 2025 346 µS/cm 19 Dec 2025
2,3,6-TBA :- {2,3,6-Trichlorobenzoic acid} 7726 River water 21 Jan 2024 – Dec 2025 below 0.02 µg/l 19 Dec 2025
2,4,5-T :- {2,4,5-Trichlorophenoxyacetic acid} 3546 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
2,4-D :- {2,4-Dichlorophenoxyacetic acid} 3545 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
2,4-DB :- {4-(2,4-dichlorophenoxy)butyric acid} 3791 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
2-Phenoxypropionic acid :- {PPA} 6673 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
4-Chloro-2-methylphenol :- {p-Chloro-o-cresol} 3341 River water 21 Jan 2024 – Dec 2025 below 0.05 µg/l 19 Dec 2025
4-Chlorophenoxyacetic acid 3547 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
4-Nonylphenol Branched 9190 River water 20 Feb 2024 – Dec 2025 below 0.04 µg/l 19 Dec 2025
4-Phenoxybutyric acid :- {PBA} 6672 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
4-tert-Octylphenol :- {p-tert-Octylphenol} 9267 River water 20 Feb 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Aldicarb 9344 River water 20 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Aldicarb sulfoxide 8806 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Aldoxycarb :- {Aldicarb Sulfone} 8807 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 21 Jan 2024 – Dec 2025 120 mg/l 19 Dec 2025
Aluminium, Dissolved 6037 River water 21 Jan 2024 – Dec 2025 22 µg/l 19 Dec 2025
Aminomethylphosphonic acid 7125 River water 19 Apr 2024 – Dec 2025 0.23 µg/l 19 Dec 2025
Ammonia un-ionised as N 0119 River water 21 Jan 2024 – Dec 2025 below 0.00037 mg/l 19 Dec 2025
Asulam 3004 River water 21 Jan 2024 – Dec 2025 below 0.02 µg/l 19 Dec 2025
Azoxystrobin 5050 River water 21 Jan 2024 – Dec 2025 below 0.02 µg/l 19 Dec 2025
Barium, Dissolved 9446 River water 21 Jan 2024 – Dec 2025 100 µg/l 19 Dec 2025
Benazolin 3792 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Bentazone 4065 River water 21 Jan 2024 – Dec 2025 0.028 µg/l 19 Dec 2025
Benzo(a)Pyrene 6399 River water 19 Jan 2024 – Dec 2025 0.0013 µg/l 19 Dec 2025
Benzo(b)Fluoranthene 0731 River water 17 Jan 2024 – Dec 2025 0.0016 µg/l 19 Dec 2025
Benzo(g,h,i)Perylene 0714 River water 19 Jan 2024 – Dec 2025 0.0023 µg/l 19 Dec 2025
Benzo(k)Fluoranthene 0733 River water 19 Jan 2024 – Dec 2025 0.00061 µg/l 19 Dec 2025
Boron, Dissolved 9447 River water 21 Jan 2024 – Dec 2025 below 100 µg/l 19 Dec 2025
Bromoxynil 6449 River water 20 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Cadmium, Dissolved 0106 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Calcium, Dissolved 0239 River water 21 Jan 2024 – Dec 2025 51 mg/l 19 Dec 2025
Carbaryl 9343 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Carbendazim 3475 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Carbetamide 9073 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Carbofuran 3086 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 21 Jan 2024 – Dec 2025 7.3 mg/l 19 Dec 2025
Chloridazon 6760 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Chloride 0172 River water 21 Jan 2024 – Dec 2025 14 mg/l 19 Dec 2025
Chlorotoluron 9348 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Chloroxuron 3399 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Chromium, Dissolved 3409 River water 21 Jan 2024 – Dec 2025 below 0.5 µg/l 19 Dec 2025
cis-Permethrin 9341 River water 18 Jan 2024 – Dec 2025 below 0.0001 µg/l 19 Dec 2025
Clopyralid 6620 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Copper : BLM Bioavailable 4821 River water 21 Jan 2024 – Dec 2025 0.12 µg/l 19 Dec 2025
Copper, Dissolved 6450 River water 21 Jan 2024 – Dec 2025 3.3 µg/l 19 Dec 2025
Cypermethrin 0073 River water 18 Jan 2024 – Dec 2025 0.00005 µg/l 19 Dec 2025
Cypermethrin Identification 5446 River water 18 Jan 2024 – Dec 2025 1 text result 19 Dec 2025
Di(2-ethylhexyl) phthalate :- {DEHP} 6724 River water 19 Apr 2024 – Dec 2025 below 0.2 µg/l 19 Dec 2025
Dicamba 3550 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Dichlorprop :- {2,4-DP} 3551 River water 20 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Diflurobenzuron 9345 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Diuron 3811 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Ethiofencarb 6955 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Ethirimol 5047 River water 21 Jan 2024 – Dec 2025 below 0.05 µg/l 19 Dec 2025
Fenoprop 3552 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Fenuron 9339 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Flow Type 2896 River water 14 Jul 2024 – Dec 2025 High Flow 19 Dec 2025
Fluoranthene 0736 River water 18 Jan 2024 – Dec 2025 0.0023 µg/l 19 Dec 2025
Fluroxypyr 4064 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 River water 21 Jan 2024 – Dec 2025 1 text result 19 Dec 2025
Glyphosate 3007 River water 19 Apr 2024 – Dec 2025 0.12 µg/l 19 Dec 2025
Hardness, Calcium 0163 River water 21 Jan 2024 – Dec 2025 127 mg/l 19 Dec 2025
Hardness, Total as CaCO3 0158 River water 21 Jan 2024 – Dec 2025 150 mg/l 19 Dec 2025
Imazapyr 7025 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Indeno(1,2,3-cd)pyrene 0746 River water 19 Jan 2024 – Dec 2025 0.0022 µg/l 19 Dec 2025
Ioxynil 9068 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Iron, Dissolved 6460 River water 21 Jan 2024 – Dec 2025 46 µg/l 19 Dec 2025
Isoproturon 3117 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Lead : BLM Bioavailable 3377 River water 21 Jan 2024 – Dec 2025 0.01 µg/l 19 Dec 2025
Lead, Dissolved 0052 River water 21 Jan 2024 – Dec 2025 below 0.1 µg/l 19 Dec 2025
Linuron 3118 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Lithium, Dissolved 4201 River water 21 Jan 2024 – Dec 2025 below 100 µg/l 19 Dec 2025
Magnesium, Dissolved 0235 River water 21 Jan 2024 – Dec 2025 5.6 mg/l 19 Dec 2025
Manganese : BLM Bioavailable 4820 River water 21 Jan 2024 – Dec 2025 4.3 µg/l 19 Dec 2025
Manganese, Dissolved 6458 River water 21 Jan 2024 – Dec 2025 below 10 µg/l 19 Dec 2025
MCPA :- {4-Chloro-2-methylphenoxyacetic acid} 3548 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
MCPB :- {4-Chloro-2-methylphenoxybutyric acid} 3790 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Mecoprop 3549 River water 20 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Methabenzthiazuron 7053 River water 20 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Methiocarb 6971 River water 21 Jan 2024 – Dec 2025 below 0.001 µg/l 19 Dec 2025
Methomyl 6972 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Metoxuron 3130 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Metsulfuron-methyl 9861 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Monolinuron 3925 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Monuron 3400 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Neburon 9756 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Nickel : BLM Bioavailable 3878 River water 21 Jan 2024 – Dec 2025 0.38 µg/l 19 Dec 2025
Nickel, Dissolved 3410 River water 21 Jan 2024 – Dec 2025 1.2 µg/l 19 Dec 2025
Nitrite as N 0118 River water 21 Jan 2024 – Dec 2025 0.01 mg/l 19 Dec 2025
Nitrogen, Total as N 9686 River water 21 Jan 2024 – Dec 2025 9.2 mg/l 19 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 21 Jan 2024 – Dec 2025 7.7 mg/l 19 Dec 2025
Oxamyl 6980 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Perfluorooctanoate anion 9274 River water 21 Jan 2024 – Dec 2025 below 0.0006 µg/l 19 Dec 2025
Perfluorooctylsulphonate anion 9276 River water 21 Jan 2024 – Dec 2025 0.00048 µg/l 19 Dec 2025
Phenoxyacetic acid :- {PAA} 6671 River water 21 Jan 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Phosphorus, Total as P 0348 River water 21 Jan 2024 – Dec 2025 0.21 mg/l 19 Dec 2025
Picloram 9883 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Potassium, Dissolved 0209 River water 21 Jan 2024 – Dec 2025 5 mg/l 19 Dec 2025
Propoxur 6987 River water 19 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Silica, reactive as SiO2 0182 River water 21 Jan 2024 – Dec 2025 7.4 mg/l 19 Dec 2025
Sodium, Dissolved 0205 River water 21 Jan 2024 – Dec 2025 8.6 mg/l 19 Dec 2025
Solids, Suspended at 105 C 0135 River water 1 Dec 2025 – Dec 2025 42 mg/l 19 Dec 2025
Strontium, Filtered 6693 River water 21 Jan 2024 – Dec 2025 110 µg/l 19 Dec 2025
Sulcotrione 5042 River water 21 Jan 2024 – Dec 2025 below 0.1 µg/l 19 Dec 2025
Sulphate, Dissolved as SO4 7859 River water 21 Jan 2024 – Dec 2025 16 mg/l 19 Dec 2025
trans-Permethrin 9342 River water 20 Jan 2024 – Dec 2025 below 0.0001 µg/l 19 Dec 2025
Tributyl Tin as Cation 8944 River water 20 Jan 2024 – Nov 2025 below 0.00002 µg/l 17 Nov 2025
Triclopyr 3555 River water 21 Jan 2024 – Dec 2025 below 0.005 µg/l 19 Dec 2025
Triclosan 5889 River water 19 Apr 2024 – Dec 2025 below 0.01 µg/l 19 Dec 2025
Triphenyl Tin as Cation 5732 River water 20 Jan 2024 – Nov 2025 below 0.00002 µg/l 17 Nov 2025
Zinc : BLM Bioavailable 4822 River water 21 Jan 2024 – Dec 2025 0.68 µg/l 19 Dec 2025
Zinc, Dissolved 3408 River water 21 Jan 2024 – Dec 2025 2.3 µg/l 19 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.