Bow Brook at Bow Bridge, Sherfield on Loddon

EA name: BOW BROOK AT BOW BRIDGE, SHERFIELD ON LO (also listed as “BOW BROOK AT BOW BRIDGE, SHERFIELD ON LODDON”)
Environment Agency sampling point TH-PLDR0055 · 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
30 Jul 2026, 16:482 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
21 since 13 Jun 2024 Imported periods: 1 Oct 2023 – 30 Sep 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Environmental monitoring statutory (EU directives)
Where
National Grid 467690, 158360As published, to the nearest 10 m. Open in a map
River, by its own name
Bow Brook
River, by the map
Bow BrookPlaced on the river its name gives, 3 m from the line.
Next gauge downstream
Sheepbridge Weir Mill Stream On the River Loddon · 11 km along the riverSheepbridge On the River Loddon · 11 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (21 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

76.7%

Sampled 30 Jul 2026, 2 months ago · 21 results banked

708090100110%20242025202613 Jun 2024, 08:47: 87.4%8 Jul 2024, 09:13: 83%1 Aug 2024, 13:34: 80%11 Sep 2024, 09:13: 77.9%3 Oct 2024, 09:16: 88.3%14 Nov 2024, 12:14: 93.6%9 Dec 2024, 11:45: 93.5%6 Jan 2025, 10:03: 87.5%5 Feb 2025, 10:32: 98.1%5 Mar 2025, 12:36: 103.6%28 Apr 2025, 11:44: 99.6%14 Oct 2025, 10:22: 83.5%13 Nov 2025, 12:00: 79%2 Dec 2025, 12:59: 91.4%20 Jan 2026, 11:01: 95.3%10 Feb 2026, 12:20: 94%16 Mar 2026, 11:24: 97.6%24 Apr 2026, 12:18: 105%20 May 2026, 12:28: 87.3%12 Jun 2026, 12:17: 81.5%30 Jul 2026, 16:48: 76.7%
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:4876.7 76.7%
12 Jun 2026, 12:1781.5 81.5%
20 May 2026, 12:2887.3 87.3%
24 Apr 2026, 12:18105 105%
16 Mar 2026, 11:2497.6 97.6%
10 Feb 2026, 12:2094 94%
20 Jan 2026, 11:0195.3 95.3%
2 Dec 2025, 12:5991.4 91.4%
13 Nov 2025, 12:0079 79%
14 Oct 2025, 10:2283.5 83.5%
28 Apr 2025, 11:4499.6 99.6%
5 Mar 2025, 12:36103.6 103.6%
5 Feb 2025, 10:3298.1 98.1%
6 Jan 2025, 10:0387.5 87.5%
9 Dec 2024, 11:4593.5 93.5%
14 Nov 2024, 12:1493.6 93.6%
3 Oct 2024, 09:1688.3 88.3%
11 Sep 2024, 09:1377.9 77.9%
1 Aug 2024, 13:3480 80%
8 Jul 2024, 09:1383 83%
13 Jun 2024, 08:4787.4 87.4%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.04 mg/l

Sampled 30 Jul 2026, 2 months ago · 21 results banked

68101214mg/l20242025202613 Jun 2024, 08:47: 9.23 mg/l8 Jul 2024, 09:13: 8.42 mg/l1 Aug 2024, 13:34: 7.12 mg/l11 Sep 2024, 09:13: 8.26 mg/l3 Oct 2024, 09:16: 9.47 mg/l14 Nov 2024, 12:14: 10.7 mg/l9 Dec 2024, 11:45: 11.1 mg/l6 Jan 2025, 10:03: 10.5 mg/l5 Feb 2025, 10:32: 12.1 mg/l5 Mar 2025, 12:36: 12.8 mg/l28 Apr 2025, 11:44: 10.2 mg/l14 Oct 2025, 10:22: 9.04 mg/l13 Nov 2025, 12:00: 8.34 mg/l2 Dec 2025, 12:59: 10.5 mg/l20 Jan 2026, 11:01: 11.3 mg/l10 Feb 2026, 12:20: 10.9 mg/l16 Mar 2026, 11:24: 11.5 mg/l24 Apr 2026, 12:18: 11.2 mg/l20 May 2026, 12:28: 8.93 mg/l12 Jun 2026, 12:17: 8.18 mg/l30 Jul 2026, 16:48: 7.04 mg/l
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:487.04 7.04 mg/l
12 Jun 2026, 12:178.18 8.18 mg/l
20 May 2026, 12:288.93 8.93 mg/l
24 Apr 2026, 12:1811.2 11.2 mg/l
16 Mar 2026, 11:2411.5 11.5 mg/l
10 Feb 2026, 12:2010.9 10.9 mg/l
20 Jan 2026, 11:0111.3 11.3 mg/l
2 Dec 2025, 12:5910.5 10.5 mg/l
13 Nov 2025, 12:008.34 8.34 mg/l
14 Oct 2025, 10:229.04 9.04 mg/l
28 Apr 2025, 11:4410.2 10.2 mg/l
5 Mar 2025, 12:3612.8 12.8 mg/l
5 Feb 2025, 10:3212.1 12.1 mg/l
6 Jan 2025, 10:0310.5 10.5 mg/l
9 Dec 2024, 11:4511.1 11.1 mg/l
14 Nov 2024, 12:1410.7 10.7 mg/l
3 Oct 2024, 09:169.47 9.47 mg/l
11 Sep 2024, 09:138.26 8.26 mg/l
1 Aug 2024, 13:347.12 7.12 mg/l
8 Jul 2024, 09:138.42 8.42 mg/l
13 Jun 2024, 08:479.23 9.23 mg/l

Water temperature

code 0076 · °C

19.4 °C

Sampled 30 Jul 2026, 2 months ago · 21 results banked

510152025°C20242025202613 Jun 2024, 08:47: 12.8 °C8 Jul 2024, 09:13: 14.6 °C1 Aug 2024, 13:34: 21 °C11 Sep 2024, 09:13: 12.6 °C3 Oct 2024, 09:16: 12.1 °C14 Nov 2024, 12:14: 9.3 °C9 Dec 2024, 11:45: 7.7 °C6 Jan 2025, 10:03: 7.5 °C5 Feb 2025, 10:32: 6.3 °C5 Mar 2025, 12:36: 6.2 °C28 Apr 2025, 11:44: 14.3 °C14 Oct 2025, 10:22: 11.7 °C13 Nov 2025, 12:00: 12.8 °C2 Dec 2025, 12:59: 9 °C20 Jan 2026, 11:01: 7.8 °C10 Feb 2026, 12:20: 8.9 °C16 Mar 2026, 11:24: 8.2 °C24 Apr 2026, 12:18: 12.4 °C20 May 2026, 12:28: 14.2 °C12 Jun 2026, 12:17: 15.1 °C30 Jul 2026, 16:48: 19.4 °C
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:4819.4 19.4 °C
12 Jun 2026, 12:1715.1 15.1 °C
20 May 2026, 12:2814.2 14.2 °C
24 Apr 2026, 12:1812.4 12.4 °C
16 Mar 2026, 11:248.2 8.2 °C
10 Feb 2026, 12:208.9 8.9 °C
20 Jan 2026, 11:017.8 7.8 °C
2 Dec 2025, 12:599 9 °C
13 Nov 2025, 12:0012.8 12.8 °C
14 Oct 2025, 10:2211.7 11.7 °C
28 Apr 2025, 11:4414.3 14.3 °C
5 Mar 2025, 12:366.2 6.2 °C
5 Feb 2025, 10:326.3 6.3 °C
6 Jan 2025, 10:037.5 7.5 °C
9 Dec 2024, 11:457.7 7.7 °C
14 Nov 2024, 12:149.3 9.3 °C
3 Oct 2024, 09:1612.1 12.1 °C
11 Sep 2024, 09:1312.6 12.6 °C
1 Aug 2024, 13:3421 21 °C
8 Jul 2024, 09:1314.6 14.6 °C
13 Jun 2024, 08:4712.8 12.8 °C

pH

code 0061

7.69

Sampled 30 Jul 2026, 2 months ago · 21 results banked

7.257.57.7588.2520242025202613 Jun 2024, 08:47: 8.018 Jul 2024, 09:13: 7.941 Aug 2024, 13:34: 7.8411 Sep 2024, 09:13: 7.943 Oct 2024, 09:16: 7.8414 Nov 2024, 12:14: 8.099 Dec 2024, 11:45: 7.816 Jan 2025, 10:03: 7.375 Feb 2025, 10:32: 7.945 Mar 2025, 12:36: 8.1228 Apr 2025, 11:44: 8.0814 Oct 2025, 10:22: 7.7913 Nov 2025, 12:00: 7.712 Dec 2025, 12:59: 7.9220 Jan 2026, 11:01: 7.9610 Feb 2026, 12:20: 7.7316 Mar 2026, 11:24: 7.9824 Apr 2026, 12:18: 8.2320 May 2026, 12:28: 7.8312 Jun 2026, 12:17: 7.7730 Jul 2026, 16:48: 7.69
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:487.69 7.69
12 Jun 2026, 12:177.77 7.77
20 May 2026, 12:287.83 7.83
24 Apr 2026, 12:188.23 8.23
16 Mar 2026, 11:247.98 7.98
10 Feb 2026, 12:207.73 7.73
20 Jan 2026, 11:017.96 7.96
2 Dec 2025, 12:597.92 7.92
13 Nov 2025, 12:007.71 7.71
14 Oct 2025, 10:227.79 7.79
28 Apr 2025, 11:448.08 8.08
5 Mar 2025, 12:368.12 8.12
5 Feb 2025, 10:327.94 7.94
6 Jan 2025, 10:037.37 7.37
9 Dec 2024, 11:457.81 7.81
14 Nov 2024, 12:148.09 8.09
3 Oct 2024, 09:167.84 7.84
11 Sep 2024, 09:137.94 7.94
1 Aug 2024, 13:347.84 7.84
8 Jul 2024, 09:137.94 7.94
13 Jun 2024, 08:478.01 8.01

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 30 Jul 2026, 2 months ago · 21 results banked

0.030.040.050.06mg/l20242025202613 Jun 2024, 08:47: below 0.03 mg/l (not detected above this)8 Jul 2024, 09:13: below 0.03 mg/l (not detected above this)1 Aug 2024, 13:34: 0.036 mg/l11 Sep 2024, 09:13: 0.055 mg/l3 Oct 2024, 09:16: below 0.03 mg/l (not detected above this)14 Nov 2024, 12:14: below 0.03 mg/l (not detected above this)9 Dec 2024, 11:45: below 0.03 mg/l (not detected above this)6 Jan 2025, 10:03: below 0.03 mg/l (not detected above this)5 Feb 2025, 10:32: below 0.03 mg/l (not detected above this)5 Mar 2025, 12:36: below 0.03 mg/l (not detected above this)28 Apr 2025, 11:44: below 0.03 mg/l (not detected above this)14 Oct 2025, 10:22: below 0.03 mg/l (not detected above this)13 Nov 2025, 12:00: 0.047 mg/l2 Dec 2025, 12:59: below 0.03 mg/l (not detected above this)20 Jan 2026, 11:01: below 0.03 mg/l (not detected above this)10 Feb 2026, 12:20: below 0.03 mg/l (not detected above this)16 Mar 2026, 11:24: below 0.03 mg/l (not detected above this)24 Apr 2026, 12:18: below 0.03 mg/l (not detected above this)20 May 2026, 12:28: below 0.03 mg/l (not detected above this)12 Jun 2026, 12:17: below 0.03 mg/l (not detected above this)30 Jul 2026, 16:48: below 0.03 mg/l (not detected above this)
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:48<0.03 below 0.03 mg/l (not detected above this)
12 Jun 2026, 12:17<0.03 below 0.03 mg/l (not detected above this)
20 May 2026, 12:28<0.03 below 0.03 mg/l (not detected above this)
24 Apr 2026, 12:18<0.03 below 0.03 mg/l (not detected above this)
16 Mar 2026, 11:24<0.03 below 0.03 mg/l (not detected above this)
10 Feb 2026, 12:20<0.03 below 0.03 mg/l (not detected above this)
20 Jan 2026, 11:01<0.03 below 0.03 mg/l (not detected above this)
2 Dec 2025, 12:59<0.03 below 0.03 mg/l (not detected above this)
13 Nov 2025, 12:000.047 0.047 mg/l
14 Oct 2025, 10:22<0.03 below 0.03 mg/l (not detected above this)
28 Apr 2025, 11:44<0.03 below 0.03 mg/l (not detected above this)
5 Mar 2025, 12:36<0.03 below 0.03 mg/l (not detected above this)
5 Feb 2025, 10:32<0.03 below 0.03 mg/l (not detected above this)
6 Jan 2025, 10:03<0.03 below 0.03 mg/l (not detected above this)
9 Dec 2024, 11:45<0.03 below 0.03 mg/l (not detected above this)
14 Nov 2024, 12:14<0.03 below 0.03 mg/l (not detected above this)
3 Oct 2024, 09:16<0.03 below 0.03 mg/l (not detected above this)
11 Sep 2024, 09:130.055 0.055 mg/l
1 Aug 2024, 13:340.036 0.036 mg/l
8 Jul 2024, 09:13<0.03 below 0.03 mg/l (not detected above this)
13 Jun 2024, 08:47<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.29 mg/l

Sampled 30 Jul 2026, 2 months ago · 21 results banked

0246810mg/l20242025202613 Jun 2024, 08:47: 7.48 mg/l8 Jul 2024, 09:13: 5.38 mg/l1 Aug 2024, 13:34: 4.78 mg/l11 Sep 2024, 09:13: 4.58 mg/l3 Oct 2024, 09:16: 4.29 mg/l14 Nov 2024, 12:14: 7.39 mg/l9 Dec 2024, 11:45: 3.79 mg/l6 Jan 2025, 10:03: 2.69 mg/l5 Feb 2025, 10:32: 5.89 mg/l5 Mar 2025, 12:36: 5.99 mg/l28 Apr 2025, 11:44: 9.07 mg/l14 Oct 2025, 10:22: 5.59 mg/l13 Nov 2025, 12:00: 6.28 mg/l2 Dec 2025, 12:59: 5.98 mg/l20 Jan 2026, 11:01: 4.89 mg/l10 Feb 2026, 12:20: 3.79 mg/l16 Mar 2026, 11:24: 4.4 mg/l24 Apr 2026, 12:18: 8.88 mg/l20 May 2026, 12:28: 8.08 mg/l12 Jun 2026, 12:17: 6.49 mg/l30 Jul 2026, 16:48: 1.29 mg/l
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:481.29 1.29 mg/l
12 Jun 2026, 12:176.49 6.49 mg/l
20 May 2026, 12:288.08 8.08 mg/l
24 Apr 2026, 12:188.88 8.88 mg/l
16 Mar 2026, 11:244.4 4.4 mg/l
10 Feb 2026, 12:203.79 3.79 mg/l
20 Jan 2026, 11:014.89 4.89 mg/l
2 Dec 2025, 12:595.98 5.98 mg/l
13 Nov 2025, 12:006.28 6.28 mg/l
14 Oct 2025, 10:225.59 5.59 mg/l
28 Apr 2025, 11:449.07 9.07 mg/l
5 Mar 2025, 12:365.99 5.99 mg/l
5 Feb 2025, 10:325.89 5.89 mg/l
6 Jan 2025, 10:032.69 2.69 mg/l
9 Dec 2024, 11:453.79 3.79 mg/l
14 Nov 2024, 12:147.39 7.39 mg/l
3 Oct 2024, 09:164.29 4.29 mg/l
11 Sep 2024, 09:134.58 4.58 mg/l
1 Aug 2024, 13:344.78 4.78 mg/l
8 Jul 2024, 09:135.38 5.38 mg/l
13 Jun 2024, 08:477.48 7.48 mg/l

Phosphate

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

0.098 mg/l

Sampled 30 Jul 2026, 2 months ago · 21 results banked

00.0250.050.0750.10.125mg/l20242025202613 Jun 2024, 08:47: 0.043 mg/l8 Jul 2024, 09:13: 0.057 mg/l1 Aug 2024, 13:34: 0.09 mg/l11 Sep 2024, 09:13: 0.074 mg/l3 Oct 2024, 09:16: 0.06 mg/l14 Nov 2024, 12:14: 0.046 mg/l9 Dec 2024, 11:45: 0.07 mg/l6 Jan 2025, 10:03: 0.11 mg/l5 Feb 2025, 10:32: 0.046 mg/l5 Mar 2025, 12:36: 0.03 mg/l28 Apr 2025, 11:44: 0.048 mg/l14 Oct 2025, 10:22: 0.058 mg/l13 Nov 2025, 12:00: 0.066 mg/l2 Dec 2025, 12:59: 0.071 mg/l20 Jan 2026, 11:01: 0.061 mg/l10 Feb 2026, 12:20: 0.065 mg/l16 Mar 2026, 11:24: 0.043 mg/l24 Apr 2026, 12:18: 0.024 mg/l20 May 2026, 12:28: 0.048 mg/l12 Jun 2026, 12:17: 0.088 mg/l30 Jul 2026, 16:48: 0.098 mg/l
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:480.098 0.098 mg/l
12 Jun 2026, 12:170.088 0.088 mg/l
20 May 2026, 12:280.048 0.048 mg/l
24 Apr 2026, 12:180.024 0.024 mg/l
16 Mar 2026, 11:240.043 0.043 mg/l
10 Feb 2026, 12:200.065 0.065 mg/l
20 Jan 2026, 11:010.061 0.061 mg/l
2 Dec 2025, 12:590.071 0.071 mg/l
13 Nov 2025, 12:000.066 0.066 mg/l
14 Oct 2025, 10:220.058 0.058 mg/l
28 Apr 2025, 11:440.048 0.048 mg/l
5 Mar 2025, 12:360.03 0.03 mg/l
5 Feb 2025, 10:320.046 0.046 mg/l
6 Jan 2025, 10:030.11 0.11 mg/l
9 Dec 2024, 11:450.07 0.07 mg/l
14 Nov 2024, 12:140.046 0.046 mg/l
3 Oct 2024, 09:160.06 0.06 mg/l
11 Sep 2024, 09:130.074 0.074 mg/l
1 Aug 2024, 13:340.09 0.09 mg/l
8 Jul 2024, 09:130.057 0.057 mg/l
13 Jun 2024, 08:470.043 0.043 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

607 µS/cm

Sampled 30 Jul 2026, 2 months ago · 21 results banked

0200400600800µS/cm20242025202613 Jun 2024, 08:47: 561 µS/cm8 Jul 2024, 09:13: 507 µS/cm1 Aug 2024, 13:34: 494 µS/cm11 Sep 2024, 09:13: 581 µS/cm3 Oct 2024, 09:16: 479 µS/cm14 Nov 2024, 12:14: 638 µS/cm9 Dec 2024, 11:45: 440 µS/cm6 Jan 2025, 10:03: 164 µS/cm5 Feb 2025, 10:32: 534 µS/cm5 Mar 2025, 12:36: 548 µS/cm28 Apr 2025, 11:44: 602 µS/cm14 Oct 2025, 10:22: 631 µS/cm13 Nov 2025, 12:00: 542 µS/cm2 Dec 2025, 12:59: 493 µS/cm20 Jan 2026, 11:01: 469 µS/cm10 Feb 2026, 12:20: 404 µS/cm16 Mar 2026, 11:24: 483 µS/cm24 Apr 2026, 12:18: 585 µS/cm20 May 2026, 12:28: 535 µS/cm12 Jun 2026, 12:17: 540 µS/cm30 Jul 2026, 16:48: 607 µS/cm
Every result (21)
SampledResult as publishedReads as
30 Jul 2026, 16:48607 607 µS/cm
12 Jun 2026, 12:17540 540 µS/cm
20 May 2026, 12:28535 535 µS/cm
24 Apr 2026, 12:18585 585 µS/cm
16 Mar 2026, 11:24483 483 µS/cm
10 Feb 2026, 12:20404 404 µS/cm
20 Jan 2026, 11:01469 469 µS/cm
2 Dec 2025, 12:59493 493 µS/cm
13 Nov 2025, 12:00542 542 µS/cm
14 Oct 2025, 10:22631 631 µS/cm
28 Apr 2025, 11:44602 602 µS/cm
5 Mar 2025, 12:36548 548 µS/cm
5 Feb 2025, 10:32534 534 µS/cm
6 Jan 2025, 10:03164 164 µS/cm
9 Dec 2024, 11:45440 440 µS/cm
14 Nov 2024, 12:14638 638 µS/cm
3 Oct 2024, 09:16479 479 µS/cm
11 Sep 2024, 09:13581 581 µS/cm
1 Aug 2024, 13:34494 494 µS/cm
8 Jul 2024, 09:13507 507 µS/cm
13 Jun 2024, 08:47561 561 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 21 Jun 2024 – Jul 2026 76.7% 30 Jul 2026
Oxygen, Dissolved as O2 9924 River water 21 Jun 2024 – Jul 2026 7.04 mg/l 30 Jul 2026
Temperature of Water 0076 River water 21 Jun 2024 – Jul 2026 19.4 °C 30 Jul 2026
pH 0061 River water 21 Jun 2024 – Jul 2026 7.69 30 Jul 2026
Ammoniacal Nitrogen as N 0111 River water 21 Jun 2024 – Jul 2026 below 0.03 mg/l 30 Jul 2026
Nitrate as N 0117 River water 21 Jun 2024 – Jul 2026 1.29 mg/l 30 Jul 2026
Orthophosphate, reactive as P 0180 River water 21 Jun 2024 – Jul 2026 0.098 mg/l 30 Jul 2026
Conductivity at 25 C 0077 River water 21 Jun 2024 – Jul 2026 607 µS/cm 30 Jul 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 21 Jun 2024 – Jul 2026 210 mg/l 30 Jul 2026
Ammonia un-ionised as N 0119 River water 21 Jun 2024 – Jul 2026 below 0.00054 mg/l 30 Jul 2026
BOD : 5 Day ATU 0085 River water 21 Jun 2024 – Jul 2026 below 1 mg/l 30 Jul 2026
Nitrite as N 0118 River water 21 Jun 2024 – Jul 2026 0.0059 mg/l 30 Jul 2026
Nitrogen, Total Oxidised as N 0116 River water 21 Jun 2024 – Jul 2026 1.3 mg/l 30 Jul 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.