Gilt Brook upstream of Newthorpe sewage treatment works

EA name: GILT BROOK U/S NEWTHORPE STW (also listed as “GILT BROOK UPSTREAM OF NEWTHORPE SEWAGE TREATMENT WORKS”)
Environment Agency sampling point MD-45646395 · 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
14 May 2026, 12:225 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 26 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 447813, 344655As published, to the nearest 1 m. Open in a map
River, by its own name
Gilt Brook
River, by the map
Gilt BrookPlaced on the river its name gives, 5 m from the line.
Next gauge downstream
Sandiacre On the River Erewash · 11 km along the river
Why it was sampled
Monitoring (national agency policy) (24 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

99.5%

Sampled 14 May 2026, 5 months ago · 24 results banked

9095100105%20242025202626 Jun 2024, 08:37: 96.6%17 Jul 2024, 13:32: 93.4%19 Aug 2024, 10:07: 96.4%18 Sep 2024, 11:22: 97%16 Oct 2024, 13:51: 95.4%22 Nov 2024, 08:44: 96.2%6 Dec 2024, 09:11: 97.7%22 Jan 2025, 10:25: 99.4%7 Feb 2025, 13:38: 97.1%14 Mar 2025, 08:47: 97.2%11 Apr 2025, 09:26: 98.8%21 May 2025, 09:59: 93.8%24 Jun 2025, 13:55: 97%11 Jul 2025, 09:00: 95.7%26 Aug 2025, 10:48: 96.4%15 Sep 2025, 08:28: 93.7%22 Oct 2025, 11:35: 95.9%10 Nov 2025, 11:25: 92.4%5 Dec 2025, 14:08: 97.3%20 Jan 2026, 13:27: 97.2%3 Feb 2026, 08:38: 98.3%13 Mar 2026, 07:53: 91.6%20 Apr 2026, 11:35: 102.2%14 May 2026, 12:22: 99.5%
Every result (24)
SampledResult as publishedReads as
14 May 2026, 12:2299.5 99.5%
20 Apr 2026, 11:35102.2 102.2%
13 Mar 2026, 07:5391.6 91.6%
3 Feb 2026, 08:3898.3 98.3%
20 Jan 2026, 13:2797.2 97.2%
5 Dec 2025, 14:0897.3 97.3%
10 Nov 2025, 11:2592.4 92.4%
22 Oct 2025, 11:3595.9 95.9%
15 Sep 2025, 08:2893.7 93.7%
26 Aug 2025, 10:4896.4 96.4%
11 Jul 2025, 09:0095.7 95.7%
24 Jun 2025, 13:5597 97%
21 May 2025, 09:5993.8 93.8%
11 Apr 2025, 09:2698.8 98.8%
14 Mar 2025, 08:4797.2 97.2%
7 Feb 2025, 13:3897.1 97.1%
22 Jan 2025, 10:2599.4 99.4%
6 Dec 2024, 09:1197.7 97.7%
22 Nov 2024, 08:4496.2 96.2%
16 Oct 2024, 13:5195.4 95.4%
18 Sep 2024, 11:2297 97%
19 Aug 2024, 10:0796.4 96.4%
17 Jul 2024, 13:3293.4 93.4%
26 Jun 2024, 08:3796.6 96.6%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.7 mg/l

Sampled 14 May 2026, 5 months ago · 24 results banked

910111213mg/l20242025202626 Jun 2024, 08:37: 9.91 mg/l17 Jul 2024, 13:32: 9.64 mg/l19 Aug 2024, 10:07: 10.2 mg/l18 Sep 2024, 11:22: 10.4 mg/l16 Oct 2024, 13:51: 10.2 mg/l22 Nov 2024, 08:44: 12.2 mg/l6 Dec 2024, 09:11: 11.6 mg/l22 Jan 2025, 10:25: 12.1 mg/l7 Feb 2025, 13:38: 12.1 mg/l14 Mar 2025, 08:47: 12 mg/l11 Apr 2025, 09:26: 11.5 mg/l21 May 2025, 09:59: 10.1 mg/l24 Jun 2025, 13:55: 9.67 mg/l11 Jul 2025, 09:00: 9.77 mg/l26 Aug 2025, 10:48: 9.84 mg/l15 Sep 2025, 08:28: 9.83 mg/l22 Oct 2025, 11:35: 10.5 mg/l10 Nov 2025, 11:25: 9.96 mg/l5 Dec 2025, 14:08: 11.7 mg/l20 Jan 2026, 13:27: 11.4 mg/l3 Feb 2026, 08:38: 11.9 mg/l13 Mar 2026, 07:53: 11.3 mg/l20 Apr 2026, 11:35: 11.4 mg/l14 May 2026, 12:22: 10.7 mg/l
Every result (24)
SampledResult as publishedReads as
14 May 2026, 12:2210.7 10.7 mg/l
20 Apr 2026, 11:3511.4 11.4 mg/l
13 Mar 2026, 07:5311.3 11.3 mg/l
3 Feb 2026, 08:3811.9 11.9 mg/l
20 Jan 2026, 13:2711.4 11.4 mg/l
5 Dec 2025, 14:0811.7 11.7 mg/l
10 Nov 2025, 11:259.96 9.96 mg/l
22 Oct 2025, 11:3510.5 10.5 mg/l
15 Sep 2025, 08:289.83 9.83 mg/l
26 Aug 2025, 10:489.84 9.84 mg/l
11 Jul 2025, 09:009.77 9.77 mg/l
24 Jun 2025, 13:559.67 9.67 mg/l
21 May 2025, 09:5910.1 10.1 mg/l
11 Apr 2025, 09:2611.5 11.5 mg/l
14 Mar 2025, 08:4712 12 mg/l
7 Feb 2025, 13:3812.1 12.1 mg/l
22 Jan 2025, 10:2512.1 12.1 mg/l
6 Dec 2024, 09:1111.6 11.6 mg/l
22 Nov 2024, 08:4412.2 12.2 mg/l
16 Oct 2024, 13:5110.2 10.2 mg/l
18 Sep 2024, 11:2210.4 10.4 mg/l
19 Aug 2024, 10:0710.2 10.2 mg/l
17 Jul 2024, 13:329.64 9.64 mg/l
26 Jun 2024, 08:379.91 9.91 mg/l

Water temperature

code 0076 · °C

12.1 °C

Sampled 14 May 2026, 5 months ago · 24 results banked

5101520°C20242025202626 Jun 2024, 08:37: 14.1 °C17 Jul 2024, 13:32: 13.8 °C19 Aug 2024, 10:07: 12.9 °C18 Sep 2024, 11:22: 12.2 °C16 Oct 2024, 13:51: 12.2 °C22 Nov 2024, 08:44: 5.2 °C6 Dec 2024, 09:11: 7.7 °C22 Jan 2025, 10:25: 6.7 °C7 Feb 2025, 13:38: 5.8 °C14 Mar 2025, 08:47: 6.2 °C11 Apr 2025, 09:26: 8.6 °C21 May 2025, 09:59: 12 °C24 Jun 2025, 13:55: 15.4 °C11 Jul 2025, 09:00: 14.3 °C26 Aug 2025, 10:48: 14.3 °C15 Sep 2025, 08:28: 13.1 °C22 Oct 2025, 11:35: 11.3 °C10 Nov 2025, 11:25: 11.9 °C5 Dec 2025, 14:08: 7.4 °C20 Jan 2026, 13:27: 8.5 °C3 Feb 2026, 08:38: 7.2 °C13 Mar 2026, 07:53: 6.4 °C20 Apr 2026, 11:35: 10.6 °C14 May 2026, 12:22: 12.1 °C
Every result (24)
SampledResult as publishedReads as
14 May 2026, 12:2212.1 12.1 °C
20 Apr 2026, 11:3510.6 10.6 °C
13 Mar 2026, 07:536.4 6.4 °C
3 Feb 2026, 08:387.2 7.2 °C
20 Jan 2026, 13:278.5 8.5 °C
5 Dec 2025, 14:087.4 7.4 °C
10 Nov 2025, 11:2511.9 11.9 °C
22 Oct 2025, 11:3511.3 11.3 °C
15 Sep 2025, 08:2813.1 13.1 °C
26 Aug 2025, 10:4814.3 14.3 °C
11 Jul 2025, 09:0014.3 14.3 °C
24 Jun 2025, 13:5515.4 15.4 °C
21 May 2025, 09:5912 12 °C
11 Apr 2025, 09:268.6 8.6 °C
14 Mar 2025, 08:476.2 6.2 °C
7 Feb 2025, 13:385.8 5.8 °C
22 Jan 2025, 10:256.7 6.7 °C
6 Dec 2024, 09:117.7 7.7 °C
22 Nov 2024, 08:445.2 5.2 °C
16 Oct 2024, 13:5112.2 12.2 °C
18 Sep 2024, 11:2212.2 12.2 °C
19 Aug 2024, 10:0712.9 12.9 °C
17 Jul 2024, 13:3213.8 13.8 °C
26 Jun 2024, 08:3714.1 14.1 °C

pH

code 0061

8.14

Sampled 14 May 2026, 5 months ago · 24 results banked

7.87.988.18.28.320242025202626 Jun 2024, 08:37: 8.0717 Jul 2024, 13:32: 7.8619 Aug 2024, 10:07: 8.1818 Sep 2024, 11:22: 8.116 Oct 2024, 13:51: 7.8522 Nov 2024, 08:44: 7.926 Dec 2024, 09:11: 7.8922 Jan 2025, 10:25: 8.037 Feb 2025, 13:38: 8.1214 Mar 2025, 08:47: 8.0811 Apr 2025, 09:26: 8.1421 May 2025, 09:59: 824 Jun 2025, 13:55: 8.0111 Jul 2025, 09:00: 8.1626 Aug 2025, 10:48: 8.2415 Sep 2025, 08:28: 7.9922 Oct 2025, 11:35: 8.0310 Nov 2025, 11:25: 7.915 Dec 2025, 14:08: 7.9820 Jan 2026, 13:27: 8.153 Feb 2026, 08:38: 8.0613 Mar 2026, 07:53: 7.9620 Apr 2026, 11:35: 8.0914 May 2026, 12:22: 8.14
Every result (24)
SampledResult as publishedReads as
14 May 2026, 12:228.14 8.14
20 Apr 2026, 11:358.09 8.09
13 Mar 2026, 07:537.96 7.96
3 Feb 2026, 08:388.06 8.06
20 Jan 2026, 13:278.15 8.15
5 Dec 2025, 14:087.98 7.98
10 Nov 2025, 11:257.91 7.91
22 Oct 2025, 11:358.03 8.03
15 Sep 2025, 08:287.99 7.99
26 Aug 2025, 10:488.24 8.24
11 Jul 2025, 09:008.16 8.16
24 Jun 2025, 13:558.01 8.01
21 May 2025, 09:598 8
11 Apr 2025, 09:268.14 8.14
14 Mar 2025, 08:478.08 8.08
7 Feb 2025, 13:388.12 8.12
22 Jan 2025, 10:258.03 8.03
6 Dec 2024, 09:117.89 7.89
22 Nov 2024, 08:447.92 7.92
16 Oct 2024, 13:517.85 7.85
18 Sep 2024, 11:228.1 8.1
19 Aug 2024, 10:078.18 8.18
17 Jul 2024, 13:327.86 7.86
26 Jun 2024, 08:378.07 8.07

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 14 May 2026, 5 months ago · 23 results banked

00.10.20.30.4mg/l20242025202626 Jun 2024, 08:37: 0.035 mg/l17 Jul 2024, 13:32: 0.034 mg/l19 Aug 2024, 10:07: below 0.03 mg/l (not detected above this)18 Sep 2024, 11:22: below 0.03 mg/l (not detected above this)16 Oct 2024, 13:51: below 0.03 mg/l (not detected above this)22 Nov 2024, 08:44: 0.064 mg/l22 Jan 2025, 10:25: 0.083 mg/l7 Feb 2025, 13:38: 0.072 mg/l14 Mar 2025, 08:47: 0.062 mg/l11 Apr 2025, 09:26: 0.046 mg/l21 May 2025, 09:59: below 0.03 mg/l (not detected above this)24 Jun 2025, 13:55: below 0.03 mg/l (not detected above this)11 Jul 2025, 09:00: below 0.03 mg/l (not detected above this)26 Aug 2025, 10:48: below 0.03 mg/l (not detected above this)15 Sep 2025, 08:28: below 0.03 mg/l (not detected above this)22 Oct 2025, 11:35: below 0.03 mg/l (not detected above this)10 Nov 2025, 11:25: below 0.03 mg/l (not detected above this)5 Dec 2025, 14:08: 0.03 mg/l20 Jan 2026, 13:27: 0.065 mg/l3 Feb 2026, 08:38: 0.075 mg/l13 Mar 2026, 07:53: 0.31 mg/l20 Apr 2026, 11:35: 0.031 mg/l14 May 2026, 12:22: below 0.03 mg/l (not detected above this)
Every result (23)
SampledResult as publishedReads as
14 May 2026, 12:22<0.03 below 0.03 mg/l (not detected above this)
20 Apr 2026, 11:350.031 0.031 mg/l
13 Mar 2026, 07:530.31 0.31 mg/l
3 Feb 2026, 08:380.075 0.075 mg/l
20 Jan 2026, 13:270.065 0.065 mg/l
5 Dec 2025, 14:080.03 0.03 mg/l
10 Nov 2025, 11:25<0.03 below 0.03 mg/l (not detected above this)
22 Oct 2025, 11:35<0.03 below 0.03 mg/l (not detected above this)
15 Sep 2025, 08:28<0.03 below 0.03 mg/l (not detected above this)
26 Aug 2025, 10:48<0.03 below 0.03 mg/l (not detected above this)
11 Jul 2025, 09:00<0.03 below 0.03 mg/l (not detected above this)
24 Jun 2025, 13:55<0.03 below 0.03 mg/l (not detected above this)
21 May 2025, 09:59<0.03 below 0.03 mg/l (not detected above this)
11 Apr 2025, 09:260.046 0.046 mg/l
14 Mar 2025, 08:470.062 0.062 mg/l
7 Feb 2025, 13:380.072 0.072 mg/l
22 Jan 2025, 10:250.083 0.083 mg/l
22 Nov 2024, 08:440.064 0.064 mg/l
16 Oct 2024, 13:51<0.03 below 0.03 mg/l (not detected above this)
18 Sep 2024, 11:22<0.03 below 0.03 mg/l (not detected above this)
19 Aug 2024, 10:07<0.03 below 0.03 mg/l (not detected above this)
17 Jul 2024, 13:320.034 0.034 mg/l
26 Jun 2024, 08:370.035 0.035 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

2.86 mg/l

Sampled 14 May 2026, 5 months ago · 23 results banked

02468mg/l20242025202626 Jun 2024, 08:37: 5.37 mg/l17 Jul 2024, 13:32: 4.68 mg/l19 Aug 2024, 10:07: 4.68 mg/l18 Sep 2024, 11:22: 4.19 mg/l16 Oct 2024, 13:51: 5.88 mg/l22 Nov 2024, 08:44: 5.07 mg/l22 Jan 2025, 10:25: 6.86 mg/l7 Feb 2025, 13:38: 6.66 mg/l14 Mar 2025, 08:47: 5.66 mg/l11 Apr 2025, 09:26: 5.36 mg/l21 May 2025, 09:59: 4.36 mg/l24 Jun 2025, 13:55: 3.78 mg/l11 Jul 2025, 09:00: 3.98 mg/l26 Aug 2025, 10:48: 3.09 mg/l15 Sep 2025, 08:28: 2.99 mg/l22 Oct 2025, 11:35: 3.09 mg/l10 Nov 2025, 11:25: 1.79 mg/l5 Dec 2025, 14:08: 4.89 mg/l20 Jan 2026, 13:27: 6.88 mg/l3 Feb 2026, 08:38: 6.97 mg/l13 Mar 2026, 07:53: 5.07 mg/l20 Apr 2026, 11:35: 5.05 mg/l14 May 2026, 12:22: 2.86 mg/l
Every result (23)
SampledResult as publishedReads as
14 May 2026, 12:222.86 2.86 mg/l
20 Apr 2026, 11:355.05 5.05 mg/l
13 Mar 2026, 07:535.07 5.07 mg/l
3 Feb 2026, 08:386.97 6.97 mg/l
20 Jan 2026, 13:276.88 6.88 mg/l
5 Dec 2025, 14:084.89 4.89 mg/l
10 Nov 2025, 11:251.79 1.79 mg/l
22 Oct 2025, 11:353.09 3.09 mg/l
15 Sep 2025, 08:282.99 2.99 mg/l
26 Aug 2025, 10:483.09 3.09 mg/l
11 Jul 2025, 09:003.98 3.98 mg/l
24 Jun 2025, 13:553.78 3.78 mg/l
21 May 2025, 09:594.36 4.36 mg/l
11 Apr 2025, 09:265.36 5.36 mg/l
14 Mar 2025, 08:475.66 5.66 mg/l
7 Feb 2025, 13:386.66 6.66 mg/l
22 Jan 2025, 10:256.86 6.86 mg/l
22 Nov 2024, 08:445.07 5.07 mg/l
16 Oct 2024, 13:515.88 5.88 mg/l
18 Sep 2024, 11:224.19 4.19 mg/l
19 Aug 2024, 10:074.68 4.68 mg/l
17 Jul 2024, 13:324.68 4.68 mg/l
26 Jun 2024, 08:375.37 5.37 mg/l

Phosphate

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

0.084 mg/l

Sampled 14 May 2026, 5 months ago · 23 results banked

00.020.040.060.080.1mg/l20242025202626 Jun 2024, 08:37: 0.018 mg/l17 Jul 2024, 13:32: 0.024 mg/l19 Aug 2024, 10:07: 0.022 mg/l18 Sep 2024, 11:22: 0.021 mg/l16 Oct 2024, 13:51: 0.018 mg/l22 Nov 2024, 08:44: 0.018 mg/l22 Jan 2025, 10:25: 0.017 mg/l7 Feb 2025, 13:38: below 0.01 mg/l (not detected above this)14 Mar 2025, 08:47: 0.022 mg/l11 Apr 2025, 09:26: 0.014 mg/l21 May 2025, 09:59: 0.019 mg/l24 Jun 2025, 13:55: 0.03 mg/l11 Jul 2025, 09:00: 0.032 mg/l26 Aug 2025, 10:48: 0.034 mg/l15 Sep 2025, 08:28: 0.047 mg/l22 Oct 2025, 11:35: 0.031 mg/l10 Nov 2025, 11:25: 0.034 mg/l5 Dec 2025, 14:08: 0.02 mg/l20 Jan 2026, 13:27: 0.022 mg/l3 Feb 2026, 08:38: 0.017 mg/l13 Mar 2026, 07:53: 0.05 mg/l20 Apr 2026, 11:35: 0.014 mg/l14 May 2026, 12:22: 0.084 mg/l
Every result (23)
SampledResult as publishedReads as
14 May 2026, 12:220.084 0.084 mg/l
20 Apr 2026, 11:350.014 0.014 mg/l
13 Mar 2026, 07:530.05 0.05 mg/l
3 Feb 2026, 08:380.017 0.017 mg/l
20 Jan 2026, 13:270.022 0.022 mg/l
5 Dec 2025, 14:080.02 0.02 mg/l
10 Nov 2025, 11:250.034 0.034 mg/l
22 Oct 2025, 11:350.031 0.031 mg/l
15 Sep 2025, 08:280.047 0.047 mg/l
26 Aug 2025, 10:480.034 0.034 mg/l
11 Jul 2025, 09:000.032 0.032 mg/l
24 Jun 2025, 13:550.03 0.03 mg/l
21 May 2025, 09:590.019 0.019 mg/l
11 Apr 2025, 09:260.014 0.014 mg/l
14 Mar 2025, 08:470.022 0.022 mg/l
7 Feb 2025, 13:38<0.01 below 0.01 mg/l (not detected above this)
22 Jan 2025, 10:250.017 0.017 mg/l
22 Nov 2024, 08:440.018 0.018 mg/l
16 Oct 2024, 13:510.018 0.018 mg/l
18 Sep 2024, 11:220.021 0.021 mg/l
19 Aug 2024, 10:070.022 0.022 mg/l
17 Jul 2024, 13:320.024 0.024 mg/l
26 Jun 2024, 08:370.018 0.018 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

430 µS/cm

Sampled 14 May 2026, 5 months ago · 24 results banked

0500100015002000µS/cm20242025202626 Jun 2024, 08:37: 478 µS/cm17 Jul 2024, 13:32: 836 µS/cm19 Aug 2024, 10:07: 964 µS/cm18 Sep 2024, 11:22: 988 µS/cm16 Oct 2024, 13:51: 788 µS/cm22 Nov 2024, 08:44: 1995 µS/cm6 Dec 2024, 09:11: 592 µS/cm22 Jan 2025, 10:25: 1039 µS/cm7 Feb 2025, 13:38: 922 µS/cm14 Mar 2025, 08:47: 1044 µS/cm11 Apr 2025, 09:26: 933 µS/cm21 May 2025, 09:59: 938 µS/cm24 Jun 2025, 13:55: 972 µS/cm11 Jul 2025, 09:00: 975 µS/cm26 Aug 2025, 10:48: 983 µS/cm15 Sep 2025, 08:28: 742 µS/cm22 Oct 2025, 11:35: 982 µS/cm10 Nov 2025, 11:25: 661 µS/cm5 Dec 2025, 14:08: 711 µS/cm20 Jan 2026, 13:27: 780 µS/cm3 Feb 2026, 08:38: 788 µS/cm13 Mar 2026, 07:53: 466 µS/cm20 Apr 2026, 11:35: 914 µS/cm14 May 2026, 12:22: 430 µS/cm
Every result (24)
SampledResult as publishedReads as
14 May 2026, 12:22430 430 µS/cm
20 Apr 2026, 11:35914 914 µS/cm
13 Mar 2026, 07:53466 466 µS/cm
3 Feb 2026, 08:38788 788 µS/cm
20 Jan 2026, 13:27780 780 µS/cm
5 Dec 2025, 14:08711 711 µS/cm
10 Nov 2025, 11:25661 661 µS/cm
22 Oct 2025, 11:35982 982 µS/cm
15 Sep 2025, 08:28742 742 µS/cm
26 Aug 2025, 10:48983 983 µS/cm
11 Jul 2025, 09:00975 975 µS/cm
24 Jun 2025, 13:55972 972 µS/cm
21 May 2025, 09:59938 938 µS/cm
11 Apr 2025, 09:26933 933 µS/cm
14 Mar 2025, 08:471044 1044 µS/cm
7 Feb 2025, 13:38922 922 µS/cm
22 Jan 2025, 10:251039 1039 µS/cm
6 Dec 2024, 09:11592 592 µS/cm
22 Nov 2024, 08:441995 1995 µS/cm
16 Oct 2024, 13:51788 788 µS/cm
18 Sep 2024, 11:22988 988 µS/cm
19 Aug 2024, 10:07964 964 µS/cm
17 Jul 2024, 13:32836 836 µS/cm
26 Jun 2024, 08:37478 478 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 99.5% 14 May 2026
Oxygen, Dissolved as O2 9924 River water 24 Jun 2024 – May 2026 10.7 mg/l 14 May 2026
Temperature of Water 0076 River water 24 Jun 2024 – May 2026 12.1 °C 14 May 2026
pH 0061 River water 24 Jun 2024 – May 2026 8.14 14 May 2026
Ammoniacal Nitrogen as N 0111 River water 23 Jun 2024 – May 2026 below 0.03 mg/l 14 May 2026
Nitrate as N 0117 River water 23 Jun 2024 – May 2026 2.86 mg/l 14 May 2026
Orthophosphate, reactive as P 0180 River water 23 Jun 2024 – May 2026 0.084 mg/l 14 May 2026
Conductivity at 25 C 0077 River water 24 Jun 2024 – May 2026 430 µS/cm 14 May 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 23 Jun 2024 – May 2026 140 mg/l 14 May 2026
Ammonia un-ionised as N 0119 River water 23 Jun 2024 – May 2026 below 0.00064 mg/l 14 May 2026
BOD : 5 Day ATU 0085 River water 22 Jun 2024 – May 2026 2.4 mg/l 14 May 2026
Nitrite as N 0118 River water 23 Jun 2024 – May 2026 0.037 mg/l 14 May 2026
Nitrogen, Total Oxidised as N 0116 River water 23 Jun 2024 – May 2026 2.9 mg/l 14 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.