Swannington Beck Upgate Common

EA name: RSN1405 SWANNINGTON BECK UPGATE COMMON
Environment Agency sampling point AN-RSN1405 · 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
2 Dec 2025, 13:2710 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 8 Oct 2026 and had nothing newer.
Samples banked
12 since 22 Jan 2025 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Monitoring (national agency policy)
Where
National Grid 614941, 318152As 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
An unnamed streamPlaced by position alone (the only river line close by), 1 m from the line.
Next gauge downstream
COSTESSEY MILL SLUICE 18 km along the riverCOSTESSEY MILL SLUICE 18 km along the riverCostessey Mill On the River Wensum · 18 km along the river
Why it was sampled
Monitoring (national agency policy) (12 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

87.6%

Sampled 2 Dec 2025, 10 months ago · 12 results banked

7580859095100%20242025202622 Jan 2025, 11:04: 93.2%11 Feb 2025, 10:56: 93.2%3 Mar 2025, 12:28: 96.5%14 Apr 2025, 11:18: 89.8%7 May 2025, 09:03: 88%18 Jun 2025, 10:37: 85.3%31 Jul 2025, 11:35: 89.2%14 Aug 2025, 13:40: 85.1%4 Sep 2025, 13:27: 87.3%29 Oct 2025, 13:01: 89.7%13 Nov 2025, 12:40: 79%2 Dec 2025, 13:27: 87.6%
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:2787.6 87.6%
13 Nov 2025, 12:4079 79%
29 Oct 2025, 13:0189.7 89.7%
4 Sep 2025, 13:2787.3 87.3%
14 Aug 2025, 13:4085.1 85.1%
31 Jul 2025, 11:3589.2 89.2%
18 Jun 2025, 10:3785.3 85.3%
7 May 2025, 09:0388 88%
14 Apr 2025, 11:1889.8 89.8%
3 Mar 2025, 12:2896.5 96.5%
11 Feb 2025, 10:5693.2 93.2%
22 Jan 2025, 11:0493.2 93.2%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.2 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

89101112mg/l20242025202622 Jan 2025, 11:04: 11.9 mg/l11 Feb 2025, 10:56: 11.9 mg/l3 Mar 2025, 12:28: 11.8 mg/l14 Apr 2025, 11:18: 10 mg/l7 May 2025, 09:03: 10.3 mg/l18 Jun 2025, 10:37: 8.5 mg/l31 Jul 2025, 11:35: 8.79 mg/l14 Aug 2025, 13:40: 8.03 mg/l4 Sep 2025, 13:27: 8.7 mg/l29 Oct 2025, 13:01: 10.1 mg/l13 Nov 2025, 12:40: 8.49 mg/l2 Dec 2025, 13:27: 10.2 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:2710.2 10.2 mg/l
13 Nov 2025, 12:408.49 8.49 mg/l
29 Oct 2025, 13:0110.1 10.1 mg/l
4 Sep 2025, 13:278.7 8.7 mg/l
14 Aug 2025, 13:408.03 8.03 mg/l
31 Jul 2025, 11:358.79 8.79 mg/l
18 Jun 2025, 10:378.5 8.5 mg/l
7 May 2025, 09:0310.3 10.3 mg/l
14 Apr 2025, 11:1810 10 mg/l
3 Mar 2025, 12:2811.8 11.8 mg/l
11 Feb 2025, 10:5611.9 11.9 mg/l
22 Jan 2025, 11:0411.9 11.9 mg/l

Water temperature

code 0076 · °C

8.6 °C

Sampled 2 Dec 2025, 10 months ago · 12 results banked

05101520°C20242025202622 Jan 2025, 11:04: 4.8 °C11 Feb 2025, 10:56: 4.9 °C3 Mar 2025, 12:28: 6.5 °C14 Apr 2025, 11:18: 10.3 °C7 May 2025, 09:03: 8.4 °C18 Jun 2025, 10:37: 15.4 °C31 Jul 2025, 11:35: 15.9 °C14 Aug 2025, 13:40: 18 °C4 Sep 2025, 13:27: 15.4 °C29 Oct 2025, 13:01: 10.2 °C13 Nov 2025, 12:40: 12 °C2 Dec 2025, 13:27: 8.6 °C
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:278.6 8.6 °C
13 Nov 2025, 12:4012 12 °C
29 Oct 2025, 13:0110.2 10.2 °C
4 Sep 2025, 13:2715.4 15.4 °C
14 Aug 2025, 13:4018 18 °C
31 Jul 2025, 11:3515.9 15.9 °C
18 Jun 2025, 10:3715.4 15.4 °C
7 May 2025, 09:038.4 8.4 °C
14 Apr 2025, 11:1810.3 10.3 °C
3 Mar 2025, 12:286.5 6.5 °C
11 Feb 2025, 10:564.9 4.9 °C
22 Jan 2025, 11:044.8 4.8 °C

pH

code 0061

7.74

Sampled 2 Dec 2025, 10 months ago · 12 results banked

7.67.888.28.420242025202622 Jan 2025, 11:04: 8.1311 Feb 2025, 10:56: 8.213 Mar 2025, 12:28: 8.0314 Apr 2025, 11:18: 7.997 May 2025, 09:03: 8.0718 Jun 2025, 10:37: 8.0831 Jul 2025, 11:35: 7.9914 Aug 2025, 13:40: 8.034 Sep 2025, 13:27: 8.3529 Oct 2025, 13:01: 7.9513 Nov 2025, 12:40: 7.92 Dec 2025, 13:27: 7.74
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:277.74 7.74
13 Nov 2025, 12:407.9 7.9
29 Oct 2025, 13:017.95 7.95
4 Sep 2025, 13:278.35 8.35
14 Aug 2025, 13:408.03 8.03
31 Jul 2025, 11:357.99 7.99
18 Jun 2025, 10:378.08 8.08
7 May 2025, 09:038.07 8.07
14 Apr 2025, 11:187.99 7.99
3 Mar 2025, 12:288.03 8.03
11 Feb 2025, 10:568.21 8.21
22 Jan 2025, 11:048.13 8.13

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

0.031 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

00.020.040.060.08mg/l20242025202622 Jan 2025, 11:04: 0.043 mg/l11 Feb 2025, 10:56: 0.069 mg/l3 Mar 2025, 12:28: 0.0077 mg/l14 Apr 2025, 11:18: 0.015 mg/l7 May 2025, 09:03: 0.0086 mg/l18 Jun 2025, 10:37: 0.021 mg/l31 Jul 2025, 11:35: 0.017 mg/l14 Aug 2025, 13:40: 0.007 mg/l4 Sep 2025, 13:27: 0.015 mg/l29 Oct 2025, 13:01: 0.0077 mg/l13 Nov 2025, 12:40: 0.004 mg/l2 Dec 2025, 13:27: 0.031 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:270.031 0.031 mg/l
13 Nov 2025, 12:400.004 0.004 mg/l
29 Oct 2025, 13:010.0077 0.0077 mg/l
4 Sep 2025, 13:270.015 0.015 mg/l
14 Aug 2025, 13:400.007 0.007 mg/l
31 Jul 2025, 11:350.017 0.017 mg/l
18 Jun 2025, 10:370.021 0.021 mg/l
7 May 2025, 09:030.0086 0.0086 mg/l
14 Apr 2025, 11:180.015 0.015 mg/l
3 Mar 2025, 12:280.0077 0.0077 mg/l
11 Feb 2025, 10:560.069 0.069 mg/l
22 Jan 2025, 11:040.043 0.043 mg/l

Nitrate

as nitrogen (N) · code 0117 · mg/l

4.26 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

23456mg/l20242025202622 Jan 2025, 11:04: 5.57 mg/l11 Feb 2025, 10:56: 4.87 mg/l3 Mar 2025, 12:28: 5.38 mg/l14 Apr 2025, 11:18: 3.67 mg/l7 May 2025, 09:03: 3.59 mg/l18 Jun 2025, 10:37: 3.29 mg/l31 Jul 2025, 11:35: 3.19 mg/l14 Aug 2025, 13:40: 3.19 mg/l4 Sep 2025, 13:27: 2.79 mg/l29 Oct 2025, 13:01: 2.99 mg/l13 Nov 2025, 12:40: 2.79 mg/l2 Dec 2025, 13:27: 4.26 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:274.26 4.26 mg/l
13 Nov 2025, 12:402.79 2.79 mg/l
29 Oct 2025, 13:012.99 2.99 mg/l
4 Sep 2025, 13:272.79 2.79 mg/l
14 Aug 2025, 13:403.19 3.19 mg/l
31 Jul 2025, 11:353.19 3.19 mg/l
18 Jun 2025, 10:373.29 3.29 mg/l
7 May 2025, 09:033.59 3.59 mg/l
14 Apr 2025, 11:183.67 3.67 mg/l
3 Mar 2025, 12:285.38 5.38 mg/l
11 Feb 2025, 10:564.87 4.87 mg/l
22 Jan 2025, 11:045.57 5.57 mg/l

Phosphate

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

0.023 mg/l

Sampled 2 Dec 2025, 10 months ago · 12 results banked

00.020.040.06mg/l20242025202622 Jan 2025, 11:04: 0.028 mg/l11 Feb 2025, 10:56: 0.027 mg/l3 Mar 2025, 12:28: 0.015 mg/l14 Apr 2025, 11:18: 0.033 mg/l7 May 2025, 09:03: 0.033 mg/l18 Jun 2025, 10:37: 0.04 mg/l31 Jul 2025, 11:35: 0.0039 mg/l14 Aug 2025, 13:40: 0.048 mg/l4 Sep 2025, 13:27: 0.04 mg/l29 Oct 2025, 13:01: 0.023 mg/l13 Nov 2025, 12:40: 0.019 mg/l2 Dec 2025, 13:27: 0.023 mg/l
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:270.023 0.023 mg/l
13 Nov 2025, 12:400.019 0.019 mg/l
29 Oct 2025, 13:010.023 0.023 mg/l
4 Sep 2025, 13:270.04 0.04 mg/l
14 Aug 2025, 13:400.048 0.048 mg/l
31 Jul 2025, 11:350.0039 0.0039 mg/l
18 Jun 2025, 10:370.04 0.04 mg/l
7 May 2025, 09:030.033 0.033 mg/l
14 Apr 2025, 11:180.033 0.033 mg/l
3 Mar 2025, 12:280.015 0.015 mg/l
11 Feb 2025, 10:560.027 0.027 mg/l
22 Jan 2025, 11:040.028 0.028 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

802 µS/cm

Sampled 2 Dec 2025, 10 months ago · 12 results banked

6007008009001000µS/cm20242025202622 Jan 2025, 11:04: 831 µS/cm11 Feb 2025, 10:56: 745 µS/cm3 Mar 2025, 12:28: 731 µS/cm14 Apr 2025, 11:18: 688 µS/cm7 May 2025, 09:03: 678 µS/cm18 Jun 2025, 10:37: 661 µS/cm31 Jul 2025, 11:35: 986 µS/cm14 Aug 2025, 13:40: 673 µS/cm4 Sep 2025, 13:27: 644 µS/cm29 Oct 2025, 13:01: 724 µS/cm13 Nov 2025, 12:40: 747 µS/cm2 Dec 2025, 13:27: 802 µS/cm
Every result (12)
SampledResult as publishedReads as
2 Dec 2025, 13:27802 802 µS/cm
13 Nov 2025, 12:40747 747 µS/cm
29 Oct 2025, 13:01724 724 µS/cm
4 Sep 2025, 13:27644 644 µS/cm
14 Aug 2025, 13:40673 673 µS/cm
31 Jul 2025, 11:35986 986 µS/cm
18 Jun 2025, 10:37661 661 µS/cm
7 May 2025, 09:03678 678 µS/cm
14 Apr 2025, 11:18688 688 µS/cm
3 Mar 2025, 12:28731 731 µS/cm
11 Feb 2025, 10:56745 745 µS/cm
22 Jan 2025, 11:04831 831 µS/cm

Everything measured here

18 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 18 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 12 Jan 2025 – Dec 2025 87.6% 2 Dec 2025
Oxygen, Dissolved as O2 9924 River water 12 Jan 2025 – Dec 2025 10.2 mg/l 2 Dec 2025
Temperature of Water 0076 River water 12 Jan 2025 – Dec 2025 8.6 °C 2 Dec 2025
pH 0061 River water 12 Jan 2025 – Dec 2025 7.74 2 Dec 2025
Ammoniacal Nitrogen as N 0111 River water 12 Jan 2025 – Dec 2025 0.031 mg/l 2 Dec 2025
Nitrate as N 0117 River water 12 Jan 2025 – Dec 2025 4.26 mg/l 2 Dec 2025
Orthophosphate, reactive as P 0180 River water 12 Jan 2025 – Dec 2025 0.023 mg/l 2 Dec 2025
Conductivity at 25 C 0077 River water 12 Jan 2025 – Dec 2025 802 µS/cm 2 Dec 2025
Alkalinity to pH 4.5 as CaCO3 0162 River water 12 Jan 2025 – Dec 2025 210 mg/l 2 Dec 2025
Ammonia un-ionised as N 0119 River water 12 Jan 2025 – Dec 2025 0.00028 mg/l 2 Dec 2025
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 11 Jan 2025 – Dec 2025 7.5 mg/l 2 Dec 2025
Chloride 0172 River water 12 Jan 2025 – Dec 2025 64 mg/l 2 Dec 2025
Flow Type 2896 River water 11 Jan 2025 – Dec 2025 Moderate Flow 2 Dec 2025
Nitrite as N 0118 River water 12 Jan 2025 – Dec 2025 0.036 mg/l 2 Dec 2025
Nitrogen, Total Oxidised as N 0116 River water 12 Jan 2025 – Dec 2025 4.3 mg/l 2 Dec 2025
Phosphorus, Total as P 0348 River water 12 Jan 2025 – Dec 2025 0.037 mg/l 2 Dec 2025
Silica, reactive as SiO2 0182 River water 12 Jan 2025 – Dec 2025 13 mg/l 2 Dec 2025
Solids, Suspended at 105 C 0135 River water 1 Dec 2025 – Dec 2025 4.5 mg/l 2 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.