Somerton North Pump

EA name: SOMERTON NORTH PUMP
Environment Agency sampling point AN-THR051 · 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
11 Sep 2026, 10:5720 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
35 since 11 Oct 2023 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Planned investigation (local monitoring)
Where
National Grid 645723, 320800As 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 placedNearest line is 154 m away and its name does not agree. The river map cannot say which watercourse this is.
Next gauge downstream
Not known
Why it was sampled
Planned investigation (local monitoring) (35 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

100%

Sampled 11 Sep 2026, 20 days ago · 33 results banked

050100150200%20242025202611 Oct 2023, 10:17: 45.1%14 Nov 2023, 12:07: 72.3%19 Dec 2023, 10:55: 65.4%8 Jan 2024, 12:55: 68.8%5 Feb 2024, 12:03: 83.1%6 Mar 2024, 12:14: 66.2%12 Jun 2024, 09:54: 72.6%1 Jul 2024, 10:48: 55.3%6 Aug 2024, 09:38: 60.5%13 Sep 2024, 11:34: 77.3%10 Oct 2024, 12:45: 80.7%26 Nov 2024, 10:38: 52.7%13 Dec 2024, 12:47: 67.5%10 Jan 2025, 13:05: 67.5%14 Feb 2025, 11:20: 87.3%14 Mar 2025, 11:38: 99.2%13 May 2025, 10:38: 90.8%10 Jun 2025, 11:12: 115.8%11 Jul 2025, 12:47: 101.4%8 Aug 2025, 12:30: 116.5%11 Sep 2025, 13:57: 138.6%10 Oct 2025, 11:34: 65.2%13 Nov 2025, 12:34: 54.7%4 Dec 2025, 12:15: 69.1%9 Jan 2026, 11:08: 86.7%9 Feb 2026, 11:11: 78.7%20 Apr 2026, 11:53: 128.4%8 May 2026, 13:23: 122%5 Jun 2026, 12:53: 149%7 Jul 2026, 12:57: 114.9%24 Jul 2026, 10:46: 115.2%11 Aug 2026, 14:15: 170.2%11 Sep 2026, 10:57: 100%
Every result (33)
SampledResult as publishedReads as
11 Sep 2026, 10:57100 100%
11 Aug 2026, 14:15170.2 170.2%
24 Jul 2026, 10:46115.2 115.2%
7 Jul 2026, 12:57114.9 114.9%
5 Jun 2026, 12:53149 149%
8 May 2026, 13:23122 122%
20 Apr 2026, 11:53128.4 128.4%
9 Feb 2026, 11:1178.7 78.7%
9 Jan 2026, 11:0886.7 86.7%
4 Dec 2025, 12:1569.1 69.1%
13 Nov 2025, 12:3454.7 54.7%
10 Oct 2025, 11:3465.2 65.2%
11 Sep 2025, 13:57138.6 138.6%
8 Aug 2025, 12:30116.5 116.5%
11 Jul 2025, 12:47101.4 101.4%
10 Jun 2025, 11:12115.8 115.8%
13 May 2025, 10:3890.8 90.8%
14 Mar 2025, 11:3899.2 99.2%
14 Feb 2025, 11:2087.3 87.3%
10 Jan 2025, 13:0567.5 67.5%
13 Dec 2024, 12:4767.5 67.5%
26 Nov 2024, 10:3852.7 52.7%
10 Oct 2024, 12:4580.7 80.7%
13 Sep 2024, 11:3477.3 77.3%
6 Aug 2024, 09:3860.5 60.5%
1 Jul 2024, 10:4855.3 55.3%
12 Jun 2024, 09:5472.6 72.6%
6 Mar 2024, 12:1466.2 66.2%
5 Feb 2024, 12:0383.1 83.1%
8 Jan 2024, 12:5568.8 68.8%
19 Dec 2023, 10:5565.4 65.4%
14 Nov 2023, 12:0772.3 72.3%
11 Oct 2023, 10:1745.1 45.1%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.4 mg/l

Sampled 11 Sep 2026, 20 days ago · 33 results banked

051015mg/l20242025202611 Oct 2023, 10:17: 4.26 mg/l14 Nov 2023, 12:07: 8.23 mg/l19 Dec 2023, 10:55: 7.39 mg/l8 Jan 2024, 12:55: 8.97 mg/l5 Feb 2024, 12:03: 9.62 mg/l6 Mar 2024, 12:14: 7.48 mg/l12 Jun 2024, 09:54: 7.49 mg/l1 Jul 2024, 10:48: 5.14 mg/l6 Aug 2024, 09:38: 5.45 mg/l13 Sep 2024, 11:34: 7.94 mg/l10 Oct 2024, 12:45: 8.5 mg/l26 Nov 2024, 10:38: 6.41 mg/l13 Dec 2024, 12:47: 8.19 mg/l10 Jan 2025, 13:05: 9.06 mg/l14 Feb 2025, 11:20: 11.5 mg/l14 Mar 2025, 11:38: 11.7 mg/l13 May 2025, 10:38: 8.8 mg/l10 Jun 2025, 11:12: 10.9 mg/l11 Jul 2025, 12:47: 8.38 mg/l8 Aug 2025, 12:30: 10.3 mg/l11 Sep 2025, 13:57: 12.9 mg/l10 Oct 2025, 11:34: 6.67 mg/l13 Nov 2025, 12:34: 5.76 mg/l4 Dec 2025, 12:15: 8.32 mg/l9 Jan 2026, 11:08: 11.2 mg/l9 Feb 2026, 11:11: 9.29 mg/l20 Apr 2026, 11:53: 12.7 mg/l8 May 2026, 13:23: 11.5 mg/l5 Jun 2026, 12:53: 13.9 mg/l7 Jul 2026, 12:57: 9.59 mg/l24 Jul 2026, 10:46: 10.1 mg/l11 Aug 2026, 14:15: 14.8 mg/l11 Sep 2026, 10:57: 9.4 mg/l
Every result (33)
SampledResult as publishedReads as
11 Sep 2026, 10:579.4 9.4 mg/l
11 Aug 2026, 14:1514.8 14.8 mg/l
24 Jul 2026, 10:4610.1 10.1 mg/l
7 Jul 2026, 12:579.59 9.59 mg/l
5 Jun 2026, 12:5313.9 13.9 mg/l
8 May 2026, 13:2311.5 11.5 mg/l
20 Apr 2026, 11:5312.7 12.7 mg/l
9 Feb 2026, 11:119.29 9.29 mg/l
9 Jan 2026, 11:0811.2 11.2 mg/l
4 Dec 2025, 12:158.32 8.32 mg/l
13 Nov 2025, 12:345.76 5.76 mg/l
10 Oct 2025, 11:346.67 6.67 mg/l
11 Sep 2025, 13:5712.9 12.9 mg/l
8 Aug 2025, 12:3010.3 10.3 mg/l
11 Jul 2025, 12:478.38 8.38 mg/l
10 Jun 2025, 11:1210.9 10.9 mg/l
13 May 2025, 10:388.8 8.8 mg/l
14 Mar 2025, 11:3811.7 11.7 mg/l
14 Feb 2025, 11:2011.5 11.5 mg/l
10 Jan 2025, 13:059.06 9.06 mg/l
13 Dec 2024, 12:478.19 8.19 mg/l
26 Nov 2024, 10:386.41 6.41 mg/l
10 Oct 2024, 12:458.5 8.5 mg/l
13 Sep 2024, 11:347.94 7.94 mg/l
6 Aug 2024, 09:385.45 5.45 mg/l
1 Jul 2024, 10:485.14 5.14 mg/l
12 Jun 2024, 09:547.49 7.49 mg/l
6 Mar 2024, 12:147.48 7.48 mg/l
5 Feb 2024, 12:039.62 9.62 mg/l
8 Jan 2024, 12:558.97 8.97 mg/l
19 Dec 2023, 10:557.39 7.39 mg/l
14 Nov 2023, 12:078.23 8.23 mg/l
11 Oct 2023, 10:174.26 4.26 mg/l

Water temperature

code 0076 · °C

17.3 °C

Sampled 11 Sep 2026, 20 days ago · 33 results banked

0102030°C20242025202611 Oct 2023, 10:17: 16.7 °C14 Nov 2023, 12:07: 9 °C19 Dec 2023, 10:55: 9.3 °C8 Jan 2024, 12:55: 3.7 °C5 Feb 2024, 12:03: 8.2 °C6 Mar 2024, 12:14: 9.3 °C12 Jun 2024, 09:54: 13.3 °C1 Jul 2024, 10:48: 17.8 °C6 Aug 2024, 09:38: 19.3 °C13 Sep 2024, 11:34: 13.5 °C10 Oct 2024, 12:45: 12.3 °C26 Nov 2024, 10:38: 6.6 °C13 Dec 2024, 12:47: 6.9 °C10 Jan 2025, 13:05: 2.4 °C14 Feb 2025, 11:20: 3.2 °C14 Mar 2025, 11:38: 7.6 °C13 May 2025, 10:38: 16.4 °C10 Jun 2025, 11:12: 17.1 °C11 Jul 2025, 12:47: 24 °C8 Aug 2025, 12:30: 20.4 °C11 Sep 2025, 13:57: 17.6 °C10 Oct 2025, 11:34: 13.4 °C13 Nov 2025, 12:34: 11.7 °C4 Dec 2025, 12:15: 6.5 °C9 Jan 2026, 11:08: 3.7 °C9 Feb 2026, 11:11: 7.5 °C20 Apr 2026, 11:53: 14.6 °C8 May 2026, 13:23: 18.1 °C5 Jun 2026, 12:53: 17.6 °C7 Jul 2026, 12:57: 23.5 °C24 Jul 2026, 10:46: 21.2 °C11 Aug 2026, 14:15: 22.3 °C11 Sep 2026, 10:57: 17.3 °C
Every result (33)
SampledResult as publishedReads as
11 Sep 2026, 10:5717.3 17.3 °C
11 Aug 2026, 14:1522.3 22.3 °C
24 Jul 2026, 10:4621.2 21.2 °C
7 Jul 2026, 12:5723.5 23.5 °C
5 Jun 2026, 12:5317.6 17.6 °C
8 May 2026, 13:2318.1 18.1 °C
20 Apr 2026, 11:5314.6 14.6 °C
9 Feb 2026, 11:117.5 7.5 °C
9 Jan 2026, 11:083.7 3.7 °C
4 Dec 2025, 12:156.5 6.5 °C
13 Nov 2025, 12:3411.7 11.7 °C
10 Oct 2025, 11:3413.4 13.4 °C
11 Sep 2025, 13:5717.6 17.6 °C
8 Aug 2025, 12:3020.4 20.4 °C
11 Jul 2025, 12:4724 24 °C
10 Jun 2025, 11:1217.1 17.1 °C
13 May 2025, 10:3816.4 16.4 °C
14 Mar 2025, 11:387.6 7.6 °C
14 Feb 2025, 11:203.2 3.2 °C
10 Jan 2025, 13:052.4 2.4 °C
13 Dec 2024, 12:476.9 6.9 °C
26 Nov 2024, 10:386.6 6.6 °C
10 Oct 2024, 12:4512.3 12.3 °C
13 Sep 2024, 11:3413.5 13.5 °C
6 Aug 2024, 09:3819.3 19.3 °C
1 Jul 2024, 10:4817.8 17.8 °C
12 Jun 2024, 09:5413.3 13.3 °C
6 Mar 2024, 12:149.3 9.3 °C
5 Feb 2024, 12:038.2 8.2 °C
8 Jan 2024, 12:553.7 3.7 °C
19 Dec 2023, 10:559.3 9.3 °C
14 Nov 2023, 12:079 9 °C
11 Oct 2023, 10:1716.7 16.7 °C

pH

code 0061

7.54

Sampled 11 Sep 2026, 20 days ago · 33 results banked

6.577.588.520242025202611 Oct 2023, 10:17: 7.0214 Nov 2023, 12:07: 7.1719 Dec 2023, 10:55: 6.998 Jan 2024, 12:55: 6.845 Feb 2024, 12:03: 7.56 Mar 2024, 12:14: 6.8512 Jun 2024, 09:54: 7.451 Jul 2024, 10:48: 7.156 Aug 2024, 09:38: 7.0913 Sep 2024, 11:34: 7.4810 Oct 2024, 12:45: 7.1326 Nov 2024, 10:38: 7.0913 Dec 2024, 12:47: 7.2110 Jan 2025, 13:05: 7.2214 Feb 2025, 11:20: 7.7614 Mar 2025, 11:38: 7.6513 May 2025, 10:38: 7.6710 Jun 2025, 11:12: 7.5711 Jul 2025, 12:47: 7.458 Aug 2025, 12:30: 7.5911 Sep 2025, 13:57: 7.8410 Oct 2025, 11:34: 7.2413 Nov 2025, 12:34: 7.084 Dec 2025, 12:15: 7.39 Jan 2026, 11:08: 7.149 Feb 2026, 11:11: 7.3120 Apr 2026, 11:53: 7.478 May 2026, 13:23: 7.625 Jun 2026, 12:53: 7.897 Jul 2026, 12:57: 7.924 Jul 2026, 10:46: 7.5711 Aug 2026, 14:15: 8.1711 Sep 2026, 10:57: 7.54
Every result (33)
SampledResult as publishedReads as
11 Sep 2026, 10:577.54 7.54
11 Aug 2026, 14:158.17 8.17
24 Jul 2026, 10:467.57 7.57
7 Jul 2026, 12:577.9 7.9
5 Jun 2026, 12:537.89 7.89
8 May 2026, 13:237.62 7.62
20 Apr 2026, 11:537.47 7.47
9 Feb 2026, 11:117.31 7.31
9 Jan 2026, 11:087.14 7.14
4 Dec 2025, 12:157.3 7.3
13 Nov 2025, 12:347.08 7.08
10 Oct 2025, 11:347.24 7.24
11 Sep 2025, 13:577.84 7.84
8 Aug 2025, 12:307.59 7.59
11 Jul 2025, 12:477.45 7.45
10 Jun 2025, 11:127.57 7.57
13 May 2025, 10:387.67 7.67
14 Mar 2025, 11:387.65 7.65
14 Feb 2025, 11:207.76 7.76
10 Jan 2025, 13:057.22 7.22
13 Dec 2024, 12:477.21 7.21
26 Nov 2024, 10:387.09 7.09
10 Oct 2024, 12:457.13 7.13
13 Sep 2024, 11:347.48 7.48
6 Aug 2024, 09:387.09 7.09
1 Jul 2024, 10:487.15 7.15
12 Jun 2024, 09:547.45 7.45
6 Mar 2024, 12:146.85 6.85
5 Feb 2024, 12:037.5 7.5
8 Jan 2024, 12:556.84 6.84
19 Dec 2023, 10:556.99 6.99
14 Nov 2023, 12:077.17 7.17
11 Oct 2023, 10:177.02 7.02

Conductivity

at 25 °C · code 0077 · µS/cm

6412 µS/cm

Sampled 11 Sep 2026, 20 days ago · 33 results banked

02500500075001000012500µS/cm20242025202611 Oct 2023, 10:17: 9847 µS/cm14 Nov 2023, 12:07: 4893 µS/cm19 Dec 2023, 10:55: 5168 µS/cm8 Jan 2024, 12:55: 4232 µS/cm5 Feb 2024, 12:03: 5563 µS/cm6 Mar 2024, 12:14: 4546 µS/cm12 Jun 2024, 09:54: 4275 µS/cm1 Jul 2024, 10:48: 7228 µS/cm6 Aug 2024, 09:38: 7167 µS/cm13 Sep 2024, 11:34: 4166 µS/cm10 Oct 2024, 12:45: 4973 µS/cm26 Nov 2024, 10:38: 2363 µS/cm13 Dec 2024, 12:47: 4625 µS/cm10 Jan 2025, 13:05: 5523 µS/cm14 Feb 2025, 11:20: 6337 µS/cm14 Mar 2025, 11:38: 4974 µS/cm13 May 2025, 10:38: 4107 µS/cm10 Jun 2025, 11:12: 7536 µS/cm11 Jul 2025, 12:47: 6475 µS/cm8 Aug 2025, 12:30: 6545 µS/cm11 Sep 2025, 13:57: 7810 µS/cm10 Oct 2025, 11:34: 6342 µS/cm13 Nov 2025, 12:34: 10404 µS/cm4 Dec 2025, 12:15: 6685 µS/cm9 Jan 2026, 11:08: 5937 µS/cm9 Feb 2026, 11:11: 5030 µS/cm20 Apr 2026, 11:53: 9250 µS/cm8 May 2026, 13:23: 7408 µS/cm5 Jun 2026, 12:53: 7458 µS/cm7 Jul 2026, 12:57: 6014 µS/cm24 Jul 2026, 10:46: 4603 µS/cm11 Aug 2026, 14:15: 4556 µS/cm11 Sep 2026, 10:57: 6412 µS/cm
Every result (33)
SampledResult as publishedReads as
11 Sep 2026, 10:576412 6412 µS/cm
11 Aug 2026, 14:154556 4556 µS/cm
24 Jul 2026, 10:464603 4603 µS/cm
7 Jul 2026, 12:576014 6014 µS/cm
5 Jun 2026, 12:537458 7458 µS/cm
8 May 2026, 13:237408 7408 µS/cm
20 Apr 2026, 11:539250 9250 µS/cm
9 Feb 2026, 11:115030 5030 µS/cm
9 Jan 2026, 11:085937 5937 µS/cm
4 Dec 2025, 12:156685 6685 µS/cm
13 Nov 2025, 12:3410404 10404 µS/cm
10 Oct 2025, 11:346342 6342 µS/cm
11 Sep 2025, 13:577810 7810 µS/cm
8 Aug 2025, 12:306545 6545 µS/cm
11 Jul 2025, 12:476475 6475 µS/cm
10 Jun 2025, 11:127536 7536 µS/cm
13 May 2025, 10:384107 4107 µS/cm
14 Mar 2025, 11:384974 4974 µS/cm
14 Feb 2025, 11:206337 6337 µS/cm
10 Jan 2025, 13:055523 5523 µS/cm
13 Dec 2024, 12:474625 4625 µS/cm
26 Nov 2024, 10:382363 2363 µS/cm
10 Oct 2024, 12:454973 4973 µS/cm
13 Sep 2024, 11:344166 4166 µS/cm
6 Aug 2024, 09:387167 7167 µS/cm
1 Jul 2024, 10:487228 7228 µS/cm
12 Jun 2024, 09:544275 4275 µS/cm
6 Mar 2024, 12:144546 4546 µS/cm
5 Feb 2024, 12:035563 5563 µS/cm
8 Jan 2024, 12:554232 4232 µS/cm
19 Dec 2023, 10:555168 5168 µS/cm
14 Nov 2023, 12:074893 4893 µS/cm
11 Oct 2023, 10:179847 9847 µS/cm

Everything measured here

14 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 14 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 33 Oct 2023 – Sep 2026 100% 11 Sep 2026
Oxygen, Dissolved as O2 9924 River water 33 Oct 2023 – Sep 2026 9.4 mg/l 11 Sep 2026
Temperature of Water 0076 River water 33 Oct 2023 – Sep 2026 17.3 °C 11 Sep 2026
pH 0061 River water 33 Oct 2023 – Sep 2026 7.54 11 Sep 2026
Conductivity at 25 C 0077 River water 33 Oct 2023 – Sep 2026 6412 µS/cm 11 Sep 2026
Ammoniacal Nitrogen, Filtered as N 9993 River water 33 Oct 2023 – Sep 2026 0.047 mg/l 11 Sep 2026
Chloride 0172 River water 32 Oct 2023 – Sep 2026 2000 mg/l 11 Sep 2026
Iron 6051 River water 35 Oct 2023 – Sep 2026 1700 µg/l 11 Sep 2026
Nitrogen, Total Oxidised, Filtered as N 9943 River water 33 Oct 2023 – Sep 2026 below 0.2 mg/l 11 Sep 2026
Orthophosphate, Filtered as P 9856 River water 33 Oct 2023 – Sep 2026 0.0093 mg/l 11 Sep 2026
Phosphorus, Total as P 0348 River water 33 Oct 2023 – Sep 2026 0.3 mg/l 11 Sep 2026
Silicate, Filtered as SiO2 9857 River water 33 Oct 2023 – Sep 2026 11 mg/l 11 Sep 2026
Solids, non-volatile at 500 C 0143 River water 32 Oct 2023 – Sep 2026 below 20 mg/l 11 Sep 2026
Solids, Suspended at 105 C 0135 River water 33 Oct 2023 – Sep 2026 39 mg/l 11 Sep 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.