Brocks Burn 300 m upstream of Longhirst sewage treatment works

EA name: BROCKS BURN 300M U/S LONGHIRST STW
Environment Agency sampling point NE-42500206 · 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
6 May 2026, 12:375 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 423213, 589147As published, to the nearest 1 m. Open in a map
River, by its own name
Brocks Burn
River, by the map
Brocks BurnPlaced on the river its name gives, 15 m from the line.
Next gauge downstream
None tracedIts water reaches the sea without passing a gauge.
Why it was sampled
Monitoring (national agency policy) (24 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

107.2%

Sampled 6 May 2026, 5 months ago · 24 results banked

0255075100125%20242025202619 Jun 2024, 09:16: 85.6%15 Jul 2024, 12:32: 85.1%23 Aug 2024, 11:04: 81.2%16 Sep 2024, 09:28: 51.6%14 Oct 2024, 11:37: 90.3%18 Nov 2024, 12:03: 87.2%5 Dec 2024, 08:49: 86%20 Jan 2025, 10:01: 94.7%3 Feb 2025, 12:12: 96.2%5 Mar 2025, 09:23: 97%2 Apr 2025, 11:29: 112%6 May 2025, 13:34: 83.1%9 Jun 2025, 12:05: 43.4%10 Jul 2025, 09:28: 22.5%7 Aug 2025, 12:11: 23.1%3 Sep 2025, 09:27: 42.6%3 Oct 2025, 11:50: 69.3%5 Nov 2025, 12:32: 79%1 Dec 2025, 10:02: 82.2%5 Jan 2026, 11:52: 96.6%3 Feb 2026, 12:30: 86.4%4 Mar 2026, 09:33: 97.4%8 Apr 2026, 09:47: 108.6%6 May 2026, 12:37: 107.2%
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:37107.2 107.2%
8 Apr 2026, 09:47108.6 108.6%
4 Mar 2026, 09:3397.4 97.4%
3 Feb 2026, 12:3086.4 86.4%
5 Jan 2026, 11:5296.6 96.6%
1 Dec 2025, 10:0282.2 82.2%
5 Nov 2025, 12:3279 79%
3 Oct 2025, 11:5069.3 69.3%
3 Sep 2025, 09:2742.6 42.6%
7 Aug 2025, 12:1123.1 23.1%
10 Jul 2025, 09:2822.5 22.5%
9 Jun 2025, 12:0543.4 43.4%
6 May 2025, 13:3483.1 83.1%
2 Apr 2025, 11:29112 112%
5 Mar 2025, 09:2397 97%
3 Feb 2025, 12:1296.2 96.2%
20 Jan 2025, 10:0194.7 94.7%
5 Dec 2024, 08:4986 86%
18 Nov 2024, 12:0387.2 87.2%
14 Oct 2024, 11:3790.3 90.3%
16 Sep 2024, 09:2851.6 51.6%
23 Aug 2024, 11:0481.2 81.2%
15 Jul 2024, 12:3285.1 85.1%
19 Jun 2024, 09:1685.6 85.6%

Dissolved oxygen

as O2 · code 9924 · mg/l

12.4 mg/l

Sampled 6 May 2026, 5 months ago · 24 results banked

051015mg/l20242025202619 Jun 2024, 09:16: 9.25 mg/l15 Jul 2024, 12:32: 8.67 mg/l23 Aug 2024, 11:04: 8.42 mg/l16 Sep 2024, 09:28: 5.7 mg/l14 Oct 2024, 11:37: 10.7 mg/l18 Nov 2024, 12:03: 11.7 mg/l5 Dec 2024, 08:49: 10.3 mg/l20 Jan 2025, 10:01: 12.5 mg/l3 Feb 2025, 12:12: 12.1 mg/l5 Mar 2025, 09:23: 11.8 mg/l2 Apr 2025, 11:29: 13.5 mg/l6 May 2025, 13:34: 9.38 mg/l9 Jun 2025, 12:05: 4.74 mg/l10 Jul 2025, 09:28: 2.24 mg/l7 Aug 2025, 12:11: 2.36 mg/l3 Sep 2025, 09:27: 4.4 mg/l3 Oct 2025, 11:50: 7.32 mg/l5 Nov 2025, 12:32: 8.61 mg/l1 Dec 2025, 10:02: 10.1 mg/l5 Jan 2026, 11:52: 14 mg/l3 Feb 2026, 12:30: 11 mg/l4 Mar 2026, 09:33: 12.5 mg/l8 Apr 2026, 09:47: 12.8 mg/l6 May 2026, 12:37: 12.4 mg/l
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:3712.4 12.4 mg/l
8 Apr 2026, 09:4712.8 12.8 mg/l
4 Mar 2026, 09:3312.5 12.5 mg/l
3 Feb 2026, 12:3011 11 mg/l
5 Jan 2026, 11:5214 14 mg/l
1 Dec 2025, 10:0210.1 10.1 mg/l
5 Nov 2025, 12:328.61 8.61 mg/l
3 Oct 2025, 11:507.32 7.32 mg/l
3 Sep 2025, 09:274.4 4.4 mg/l
7 Aug 2025, 12:112.36 2.36 mg/l
10 Jul 2025, 09:282.24 2.24 mg/l
9 Jun 2025, 12:054.74 4.74 mg/l
6 May 2025, 13:349.38 9.38 mg/l
2 Apr 2025, 11:2913.5 13.5 mg/l
5 Mar 2025, 09:2311.8 11.8 mg/l
3 Feb 2025, 12:1212.1 12.1 mg/l
20 Jan 2025, 10:0112.5 12.5 mg/l
5 Dec 2024, 08:4910.3 10.3 mg/l
18 Nov 2024, 12:0311.7 11.7 mg/l
14 Oct 2024, 11:3710.7 10.7 mg/l
16 Sep 2024, 09:285.7 5.7 mg/l
23 Aug 2024, 11:048.42 8.42 mg/l
15 Jul 2024, 12:328.67 8.67 mg/l
19 Jun 2024, 09:169.25 9.25 mg/l

Water temperature

code 0076 · °C

8.9 °C

Sampled 6 May 2026, 5 months ago · 24 results banked

05101520°C20242025202619 Jun 2024, 09:16: 11.8 °C15 Jul 2024, 12:32: 14.4 °C23 Aug 2024, 11:04: 13.6 °C16 Sep 2024, 09:28: 10.8 °C14 Oct 2024, 11:37: 7.8 °C18 Nov 2024, 12:03: 3.2 °C5 Dec 2024, 08:49: 7.5 °C20 Jan 2025, 10:01: 3.6 °C3 Feb 2025, 12:12: 5.5 °C5 Mar 2025, 09:23: 6.8 °C2 Apr 2025, 11:29: 7.2 °C6 May 2025, 13:34: 9.9 °C9 Jun 2025, 12:05: 11.3 °C10 Jul 2025, 09:28: 15.4 °C7 Aug 2025, 12:11: 14.3 °C3 Sep 2025, 09:27: 13.8 °C3 Oct 2025, 11:50: 12.8 °C5 Nov 2025, 12:32: 11.4 °C1 Dec 2025, 10:02: 6.6 °C5 Jan 2026, 11:52: 0.3 °C3 Feb 2026, 12:30: 5 °C4 Mar 2026, 09:33: 4.8 °C8 Apr 2026, 09:47: 8.1 °C6 May 2026, 12:37: 8.9 °C
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:378.9 8.9 °C
8 Apr 2026, 09:478.1 8.1 °C
4 Mar 2026, 09:334.8 4.8 °C
3 Feb 2026, 12:305 5 °C
5 Jan 2026, 11:520.3 0.3 °C
1 Dec 2025, 10:026.6 6.6 °C
5 Nov 2025, 12:3211.4 11.4 °C
3 Oct 2025, 11:5012.8 12.8 °C
3 Sep 2025, 09:2713.8 13.8 °C
7 Aug 2025, 12:1114.3 14.3 °C
10 Jul 2025, 09:2815.4 15.4 °C
9 Jun 2025, 12:0511.3 11.3 °C
6 May 2025, 13:349.9 9.9 °C
2 Apr 2025, 11:297.2 7.2 °C
5 Mar 2025, 09:236.8 6.8 °C
3 Feb 2025, 12:125.5 5.5 °C
20 Jan 2025, 10:013.6 3.6 °C
5 Dec 2024, 08:497.5 7.5 °C
18 Nov 2024, 12:033.2 3.2 °C
14 Oct 2024, 11:377.8 7.8 °C
16 Sep 2024, 09:2810.8 10.8 °C
23 Aug 2024, 11:0413.6 13.6 °C
15 Jul 2024, 12:3214.4 14.4 °C
19 Jun 2024, 09:1611.8 11.8 °C

pH

code 0061

8.01

Sampled 6 May 2026, 5 months ago · 24 results banked

77.257.57.7588.2520242025202619 Jun 2024, 09:16: 8.0915 Jul 2024, 12:32: 7.3123 Aug 2024, 11:04: 7.516 Sep 2024, 09:28: 7.714 Oct 2024, 11:37: 7.6618 Nov 2024, 12:03: 8.095 Dec 2024, 08:49: 7.2820 Jan 2025, 10:01: 7.783 Feb 2025, 12:12: 7.785 Mar 2025, 09:23: 7.932 Apr 2025, 11:29: 8.196 May 2025, 13:34: 7.939 Jun 2025, 12:05: 7.6110 Jul 2025, 09:28: 7.897 Aug 2025, 12:11: 7.883 Sep 2025, 09:27: 7.873 Oct 2025, 11:50: 7.55 Nov 2025, 12:32: 7.361 Dec 2025, 10:02: 7.25 Jan 2026, 11:52: 7.943 Feb 2026, 12:30: 7.394 Mar 2026, 09:33: 7.88 Apr 2026, 09:47: 7.936 May 2026, 12:37: 8.01
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:378.01 8.01
8 Apr 2026, 09:477.93 7.93
4 Mar 2026, 09:337.8 7.8
3 Feb 2026, 12:307.39 7.39
5 Jan 2026, 11:527.94 7.94
1 Dec 2025, 10:027.2 7.2
5 Nov 2025, 12:327.36 7.36
3 Oct 2025, 11:507.5 7.5
3 Sep 2025, 09:277.87 7.87
7 Aug 2025, 12:117.88 7.88
10 Jul 2025, 09:287.89 7.89
9 Jun 2025, 12:057.61 7.61
6 May 2025, 13:347.93 7.93
2 Apr 2025, 11:298.19 8.19
5 Mar 2025, 09:237.93 7.93
3 Feb 2025, 12:127.78 7.78
20 Jan 2025, 10:017.78 7.78
5 Dec 2024, 08:497.28 7.28
18 Nov 2024, 12:038.09 8.09
14 Oct 2024, 11:377.66 7.66
16 Sep 2024, 09:287.7 7.7
23 Aug 2024, 11:047.5 7.5
15 Jul 2024, 12:327.31 7.31
19 Jun 2024, 09:168.09 8.09

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 6 May 2026, 5 months ago · 24 results banked

00.511.52mg/l20242025202619 Jun 2024, 09:16: 0.1 mg/l15 Jul 2024, 12:32: 0.039 mg/l23 Aug 2024, 11:04: 0.42 mg/l16 Sep 2024, 09:28: 0.037 mg/l14 Oct 2024, 11:37: 0.045 mg/l18 Nov 2024, 12:03: 0.14 mg/l5 Dec 2024, 08:49: below 0.03 mg/l (not detected above this)20 Jan 2025, 10:01: 0.08 mg/l3 Feb 2025, 12:12: 0.037 mg/l5 Mar 2025, 09:23: 0.1 mg/l2 Apr 2025, 11:29: 0.04 mg/l6 May 2025, 13:34: 0.18 mg/l9 Jun 2025, 12:05: 1.2 mg/l10 Jul 2025, 09:28: 0.44 mg/l7 Aug 2025, 12:11: 1.8 mg/l3 Sep 2025, 09:27: 0.85 mg/l3 Oct 2025, 11:50: 1.1 mg/l5 Nov 2025, 12:32: 0.32 mg/l1 Dec 2025, 10:02: below 0.03 mg/l (not detected above this)5 Jan 2026, 11:52: 0.51 mg/l3 Feb 2026, 12:30: 0.15 mg/l4 Mar 2026, 09:33: 0.08 mg/l8 Apr 2026, 09:47: below 0.03 mg/l (not detected above this)6 May 2026, 12:37: below 0.03 mg/l (not detected above this)
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:37<0.03 below 0.03 mg/l (not detected above this)
8 Apr 2026, 09:47<0.03 below 0.03 mg/l (not detected above this)
4 Mar 2026, 09:330.08 0.08 mg/l
3 Feb 2026, 12:300.15 0.15 mg/l
5 Jan 2026, 11:520.51 0.51 mg/l
1 Dec 2025, 10:02<0.03 below 0.03 mg/l (not detected above this)
5 Nov 2025, 12:320.32 0.32 mg/l
3 Oct 2025, 11:501.1 1.1 mg/l
3 Sep 2025, 09:270.85 0.85 mg/l
7 Aug 2025, 12:111.8 1.8 mg/l
10 Jul 2025, 09:280.44 0.44 mg/l
9 Jun 2025, 12:051.2 1.2 mg/l
6 May 2025, 13:340.18 0.18 mg/l
2 Apr 2025, 11:290.04 0.04 mg/l
5 Mar 2025, 09:230.1 0.1 mg/l
3 Feb 2025, 12:120.037 0.037 mg/l
20 Jan 2025, 10:010.08 0.08 mg/l
5 Dec 2024, 08:49<0.03 below 0.03 mg/l (not detected above this)
18 Nov 2024, 12:030.14 0.14 mg/l
14 Oct 2024, 11:370.045 0.045 mg/l
16 Sep 2024, 09:280.037 0.037 mg/l
23 Aug 2024, 11:040.42 0.42 mg/l
15 Jul 2024, 12:320.039 0.039 mg/l
19 Jun 2024, 09:160.1 0.1 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.1 mg/l

Sampled 6 May 2026, 5 months ago · 24 results banked

051015mg/l20242025202619 Jun 2024, 09:16: 2.69 mg/l15 Jul 2024, 12:32: 7.08 mg/l23 Aug 2024, 11:04: 1.17 mg/l16 Sep 2024, 09:28: 2.39 mg/l14 Oct 2024, 11:37: 7.58 mg/l18 Nov 2024, 12:03: 3.76 mg/l5 Dec 2024, 08:49: 5.49 mg/l20 Jan 2025, 10:01: 4.78 mg/l3 Feb 2025, 12:12: 4.68 mg/l5 Mar 2025, 09:23: 3.97 mg/l2 Apr 2025, 11:29: 2.48 mg/l6 May 2025, 13:34: 1.28 mg/l9 Jun 2025, 12:05: 1.08 mg/l10 Jul 2025, 09:28: 1.33 mg/l7 Aug 2025, 12:11: 1.63 mg/l3 Sep 2025, 09:27: 0.44 mg/l3 Oct 2025, 11:50: 8.39 mg/l5 Nov 2025, 12:32: 12.9 mg/l1 Dec 2025, 10:02: 4.3 mg/l5 Jan 2026, 11:52: 6.25 mg/l3 Feb 2026, 12:30: 3.89 mg/l4 Mar 2026, 09:33: 4.78 mg/l8 Apr 2026, 09:47: 2.4 mg/l6 May 2026, 12:37: 1.1 mg/l
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:371.1 1.1 mg/l
8 Apr 2026, 09:472.4 2.4 mg/l
4 Mar 2026, 09:334.78 4.78 mg/l
3 Feb 2026, 12:303.89 3.89 mg/l
5 Jan 2026, 11:526.25 6.25 mg/l
1 Dec 2025, 10:024.3 4.3 mg/l
5 Nov 2025, 12:3212.9 12.9 mg/l
3 Oct 2025, 11:508.39 8.39 mg/l
3 Sep 2025, 09:270.44 0.44 mg/l
7 Aug 2025, 12:111.63 1.63 mg/l
10 Jul 2025, 09:281.33 1.33 mg/l
9 Jun 2025, 12:051.08 1.08 mg/l
6 May 2025, 13:341.28 1.28 mg/l
2 Apr 2025, 11:292.48 2.48 mg/l
5 Mar 2025, 09:233.97 3.97 mg/l
3 Feb 2025, 12:124.68 4.68 mg/l
20 Jan 2025, 10:014.78 4.78 mg/l
5 Dec 2024, 08:495.49 5.49 mg/l
18 Nov 2024, 12:033.76 3.76 mg/l
14 Oct 2024, 11:377.58 7.58 mg/l
16 Sep 2024, 09:282.39 2.39 mg/l
23 Aug 2024, 11:041.17 1.17 mg/l
15 Jul 2024, 12:327.08 7.08 mg/l
19 Jun 2024, 09:162.69 2.69 mg/l

Phosphate

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

0.037 mg/l

Sampled 6 May 2026, 5 months ago · 24 results banked

00.20.40.60.8mg/l20242025202619 Jun 2024, 09:16: 0.1 mg/l15 Jul 2024, 12:32: 0.047 mg/l23 Aug 2024, 11:04: 0.17 mg/l16 Sep 2024, 09:28: 0.2 mg/l14 Oct 2024, 11:37: 0.041 mg/l18 Nov 2024, 12:03: 0.09 mg/l5 Dec 2024, 08:49: 0.052 mg/l20 Jan 2025, 10:01: 0.036 mg/l3 Feb 2025, 12:12: 0.032 mg/l5 Mar 2025, 09:23: 0.042 mg/l2 Apr 2025, 11:29: 0.044 mg/l6 May 2025, 13:34: 0.095 mg/l9 Jun 2025, 12:05: 0.23 mg/l10 Jul 2025, 09:28: 0.48 mg/l7 Aug 2025, 12:11: 0.54 mg/l3 Sep 2025, 09:27: 0.65 mg/l3 Oct 2025, 11:50: 0.1 mg/l5 Nov 2025, 12:32: 0.11 mg/l1 Dec 2025, 10:02: 0.053 mg/l5 Jan 2026, 11:52: 0.073 mg/l3 Feb 2026, 12:30: 0.041 mg/l4 Mar 2026, 09:33: 0.03 mg/l8 Apr 2026, 09:47: 0.033 mg/l6 May 2026, 12:37: 0.037 mg/l
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:370.037 0.037 mg/l
8 Apr 2026, 09:470.033 0.033 mg/l
4 Mar 2026, 09:330.03 0.03 mg/l
3 Feb 2026, 12:300.041 0.041 mg/l
5 Jan 2026, 11:520.073 0.073 mg/l
1 Dec 2025, 10:020.053 0.053 mg/l
5 Nov 2025, 12:320.11 0.11 mg/l
3 Oct 2025, 11:500.1 0.1 mg/l
3 Sep 2025, 09:270.65 0.65 mg/l
7 Aug 2025, 12:110.54 0.54 mg/l
10 Jul 2025, 09:280.48 0.48 mg/l
9 Jun 2025, 12:050.23 0.23 mg/l
6 May 2025, 13:340.095 0.095 mg/l
2 Apr 2025, 11:290.044 0.044 mg/l
5 Mar 2025, 09:230.042 0.042 mg/l
3 Feb 2025, 12:120.032 0.032 mg/l
20 Jan 2025, 10:010.036 0.036 mg/l
5 Dec 2024, 08:490.052 0.052 mg/l
18 Nov 2024, 12:030.09 0.09 mg/l
14 Oct 2024, 11:370.041 0.041 mg/l
16 Sep 2024, 09:280.2 0.2 mg/l
23 Aug 2024, 11:040.17 0.17 mg/l
15 Jul 2024, 12:320.047 0.047 mg/l
19 Jun 2024, 09:160.1 0.1 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

597 µS/cm

Sampled 6 May 2026, 5 months ago · 24 results banked

250500750100012501500µS/cm20242025202619 Jun 2024, 09:16: 598 µS/cm15 Jul 2024, 12:32: 700 µS/cm23 Aug 2024, 11:04: 472 µS/cm16 Sep 2024, 09:28: 688 µS/cm14 Oct 2024, 11:37: 599 µS/cm18 Nov 2024, 12:03: 678 µS/cm5 Dec 2024, 08:49: 544 µS/cm20 Jan 2025, 10:01: 640 µS/cm3 Feb 2025, 12:12: 648 µS/cm5 Mar 2025, 09:23: 677 µS/cm2 Apr 2025, 11:29: 682 µS/cm6 May 2025, 13:34: 820 µS/cm9 Jun 2025, 12:05: 753 µS/cm10 Jul 2025, 09:28: 819 µS/cm7 Aug 2025, 12:11: 849 µS/cm3 Sep 2025, 09:27: 1352 µS/cm3 Oct 2025, 11:50: 589 µS/cm5 Nov 2025, 12:32: 656 µS/cm1 Dec 2025, 10:02: 369 µS/cm5 Jan 2026, 11:52: 679 µS/cm3 Feb 2026, 12:30: 431 µS/cm4 Mar 2026, 09:33: 587 µS/cm8 Apr 2026, 09:47: 608 µS/cm6 May 2026, 12:37: 597 µS/cm
Every result (24)
SampledResult as publishedReads as
6 May 2026, 12:37597 597 µS/cm
8 Apr 2026, 09:47608 608 µS/cm
4 Mar 2026, 09:33587 587 µS/cm
3 Feb 2026, 12:30431 431 µS/cm
5 Jan 2026, 11:52679 679 µS/cm
1 Dec 2025, 10:02369 369 µS/cm
5 Nov 2025, 12:32656 656 µS/cm
3 Oct 2025, 11:50589 589 µS/cm
3 Sep 2025, 09:271352 1352 µS/cm
7 Aug 2025, 12:11849 849 µS/cm
10 Jul 2025, 09:28819 819 µS/cm
9 Jun 2025, 12:05753 753 µS/cm
6 May 2025, 13:34820 820 µS/cm
2 Apr 2025, 11:29682 682 µS/cm
5 Mar 2025, 09:23677 677 µS/cm
3 Feb 2025, 12:12648 648 µS/cm
20 Jan 2025, 10:01640 640 µS/cm
5 Dec 2024, 08:49544 544 µS/cm
18 Nov 2024, 12:03678 678 µS/cm
14 Oct 2024, 11:37599 599 µS/cm
16 Sep 2024, 09:28688 688 µS/cm
23 Aug 2024, 11:04472 472 µS/cm
15 Jul 2024, 12:32700 700 µS/cm
19 Jun 2024, 09:16598 598 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 107.2% 6 May 2026
Oxygen, Dissolved as O2 9924 River water 24 Jun 2024 – May 2026 12.4 mg/l 6 May 2026
Temperature of Water 0076 River water 24 Jun 2024 – May 2026 8.9 °C 6 May 2026
pH 0061 River water 24 Jun 2024 – May 2026 8.01 6 May 2026
Ammoniacal Nitrogen as N 0111 River water 24 Jun 2024 – May 2026 below 0.03 mg/l 6 May 2026
Nitrate as N 0117 River water 24 Jun 2024 – May 2026 1.1 mg/l 6 May 2026
Orthophosphate, reactive as P 0180 River water 24 Jun 2024 – May 2026 0.037 mg/l 6 May 2026
Conductivity at 25 C 0077 River water 24 Jun 2024 – May 2026 597 µS/cm 6 May 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 24 Jun 2024 – May 2026 190 mg/l 6 May 2026
Ammonia un-ionised as N 0119 River water 24 Jun 2024 – May 2026 below 0.0005 mg/l 6 May 2026
BOD : 5 Day ATU 0085 River water 23 Jun 2024 – May 2026 2.5 mg/l 6 May 2026
Nitrite as N 0118 River water 24 Jun 2024 – May 2026 below 0.004 mg/l 6 May 2026
Nitrogen, Total Oxidised as N 0116 River water 24 Jun 2024 – May 2026 1.1 mg/l 6 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.