River Dour Kearsney

EA name: R DOUR KEARSNEY (also listed as “RIVER DOUR KEARSNEY”)
Environment Agency sampling point SO-E0001462 · 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
4 Sep 2026, 10:1134 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
18 since 9 Apr 2025 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
Latest sample
River / running surface water Environmental monitoring statutory (EU directives) · results completed 8 Sep 2026
Where
National Grid 629102, 143553As published, to the nearest 1 m. Open in a map
River, by its own name
Dour
River, by the map
River DourPlaced on the river its name gives, 6 m from the line.
Next gauge downstream
Crabble Mill On the River Dour · 1.1 km along the riverCrabble Mill GS 1.1 km along the river
Why it was sampled
Environmental monitoring statutory (EU directives) (18 samples)

Results here were completed a median of 4 days after the sample was taken (3 to 5 days, 3 samples).

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

98.1%

Sampled 4 Sep 2026, 34 days ago · 18 results banked

9095100105110%2024202520269 Apr 2025, 10:17: 97.2%30 May 2025, 09:12: 98.7%17 Jun 2025, 09:37: 98.5%2 Jul 2025, 12:02: 99.6%15 Aug 2025, 12:09: 106.1%12 Sep 2025, 11:00: 100.1%13 Oct 2025, 11:06: 95.4%13 Nov 2025, 11:39: 95%1 Dec 2025, 10:31: 94.8%7 Jan 2026, 11:38: 95.1%20 Feb 2026, 08:35: 94.5%10 Mar 2026, 08:42: 98.3%16 Apr 2026, 14:07: 102.5%11 May 2026, 10:37: 99.7%8 Jun 2026, 09:03: 98.4%3 Jul 2026, 12:07: 100.3%20 Aug 2026, 10:59: 100.3%4 Sep 2026, 10:11: 98.1%
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:1198.1 98.1%
20 Aug 2026, 10:59100.3 100.3%
3 Jul 2026, 12:07100.3 100.3%
8 Jun 2026, 09:0398.4 98.4%
11 May 2026, 10:3799.7 99.7%
16 Apr 2026, 14:07102.5 102.5%
10 Mar 2026, 08:4298.3 98.3%
20 Feb 2026, 08:3594.5 94.5%
7 Jan 2026, 11:3895.1 95.1%
1 Dec 2025, 10:3194.8 94.8%
13 Nov 2025, 11:3995 95%
13 Oct 2025, 11:0695.4 95.4%
12 Sep 2025, 11:00100.1 100.1%
15 Aug 2025, 12:09106.1 106.1%
2 Jul 2025, 12:0299.6 99.6%
17 Jun 2025, 09:3798.5 98.5%
30 May 2025, 09:1298.7 98.7%
9 Apr 2025, 10:1797.2 97.2%

Dissolved oxygen

as O2 · code 9924 · mg/l

9.68 mg/l

Sampled 4 Sep 2026, 34 days ago · 18 results banked

9.51010.51111.5mg/l2024202520269 Apr 2025, 10:17: 11 mg/l30 May 2025, 09:12: 10.3 mg/l17 Jun 2025, 09:37: 10.3 mg/l2 Jul 2025, 12:02: 9.81 mg/l15 Aug 2025, 12:09: 10 mg/l12 Sep 2025, 11:00: 10.4 mg/l13 Oct 2025, 11:06: 10.2 mg/l13 Nov 2025, 11:39: 10.3 mg/l1 Dec 2025, 10:31: 10.9 mg/l7 Jan 2026, 11:38: 11.3 mg/l20 Feb 2026, 08:35: 10.8 mg/l10 Mar 2026, 08:42: 11 mg/l16 Apr 2026, 14:07: 11 mg/l11 May 2026, 10:37: 11.1 mg/l8 Jun 2026, 09:03: 10.5 mg/l3 Jul 2026, 12:07: 10.2 mg/l20 Aug 2026, 10:59: 10.4 mg/l4 Sep 2026, 10:11: 9.68 mg/l
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:119.68 9.68 mg/l
20 Aug 2026, 10:5910.4 10.4 mg/l
3 Jul 2026, 12:0710.2 10.2 mg/l
8 Jun 2026, 09:0310.5 10.5 mg/l
11 May 2026, 10:3711.1 11.1 mg/l
16 Apr 2026, 14:0711 11 mg/l
10 Mar 2026, 08:4211 11 mg/l
20 Feb 2026, 08:3510.8 10.8 mg/l
7 Jan 2026, 11:3811.3 11.3 mg/l
1 Dec 2025, 10:3110.9 10.9 mg/l
13 Nov 2025, 11:3910.3 10.3 mg/l
13 Oct 2025, 11:0610.2 10.2 mg/l
12 Sep 2025, 11:0010.4 10.4 mg/l
15 Aug 2025, 12:0910 10 mg/l
2 Jul 2025, 12:029.81 9.81 mg/l
17 Jun 2025, 09:3710.3 10.3 mg/l
30 May 2025, 09:1210.3 10.3 mg/l
9 Apr 2025, 10:1711 11 mg/l

Water temperature

code 0076 · °C

15.9 °C

Sampled 4 Sep 2026, 34 days ago · 18 results banked

5101520°C2024202520269 Apr 2025, 10:17: 9.9 °C30 May 2025, 09:12: 13.3 °C17 Jun 2025, 09:37: 13.2 °C2 Jul 2025, 12:02: 16 °C15 Aug 2025, 12:09: 18 °C12 Sep 2025, 11:00: 13.4 °C13 Oct 2025, 11:06: 12.4 °C13 Nov 2025, 11:39: 11.8 °C1 Dec 2025, 10:31: 9.2 °C7 Jan 2026, 11:38: 7.9 °C20 Feb 2026, 08:35: 9.3 °C10 Mar 2026, 08:42: 10.1 °C16 Apr 2026, 14:07: 11.9 °C11 May 2026, 10:37: 10.6 °C8 Jun 2026, 09:03: 12.2 °C3 Jul 2026, 12:07: 14.4 °C20 Aug 2026, 10:59: 13.4 °C4 Sep 2026, 10:11: 15.9 °C
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:1115.9 15.9 °C
20 Aug 2026, 10:5913.4 13.4 °C
3 Jul 2026, 12:0714.4 14.4 °C
8 Jun 2026, 09:0312.2 12.2 °C
11 May 2026, 10:3710.6 10.6 °C
16 Apr 2026, 14:0711.9 11.9 °C
10 Mar 2026, 08:4210.1 10.1 °C
20 Feb 2026, 08:359.3 9.3 °C
7 Jan 2026, 11:387.9 7.9 °C
1 Dec 2025, 10:319.2 9.2 °C
13 Nov 2025, 11:3911.8 11.8 °C
13 Oct 2025, 11:0612.4 12.4 °C
12 Sep 2025, 11:0013.4 13.4 °C
15 Aug 2025, 12:0918 18 °C
2 Jul 2025, 12:0216 16 °C
17 Jun 2025, 09:3713.2 13.2 °C
30 May 2025, 09:1213.3 13.3 °C
9 Apr 2025, 10:179.9 9.9 °C

pH

code 0061

7.74

Sampled 4 Sep 2026, 34 days ago · 18 results banked

7.67.888.28.42024202520269 Apr 2025, 10:17: 7.8230 May 2025, 09:12: 7.6517 Jun 2025, 09:37: 7.652 Jul 2025, 12:02: 7.9515 Aug 2025, 12:09: 7.9812 Sep 2025, 11:00: 8.2213 Oct 2025, 11:06: 7.713 Nov 2025, 11:39: 7.881 Dec 2025, 10:31: 7.837 Jan 2026, 11:38: 7.8920 Feb 2026, 08:35: 7.8610 Mar 2026, 08:42: 7.8416 Apr 2026, 14:07: 7.7611 May 2026, 10:37: 7.778 Jun 2026, 09:03: 7.763 Jul 2026, 12:07: 7.8520 Aug 2026, 10:59: 7.784 Sep 2026, 10:11: 7.74
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:117.74 7.74
20 Aug 2026, 10:597.78 7.78
3 Jul 2026, 12:077.85 7.85
8 Jun 2026, 09:037.76 7.76
11 May 2026, 10:377.77 7.77
16 Apr 2026, 14:077.76 7.76
10 Mar 2026, 08:427.84 7.84
20 Feb 2026, 08:357.86 7.86
7 Jan 2026, 11:387.89 7.89
1 Dec 2025, 10:317.83 7.83
13 Nov 2025, 11:397.88 7.88
13 Oct 2025, 11:067.7 7.7
12 Sep 2025, 11:008.22 8.22
15 Aug 2025, 12:097.98 7.98
2 Jul 2025, 12:027.95 7.95
17 Jun 2025, 09:377.65 7.65
30 May 2025, 09:127.65 7.65
9 Apr 2025, 10:177.82 7.82

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 4 Sep 2026, 34 days ago · 18 results banked

-0.500.51mg/l2024202520269 Apr 2025, 10:17: below 0.03 mg/l (not detected above this)30 May 2025, 09:12: below 0.03 mg/l (not detected above this)17 Jun 2025, 09:37: below 0.03 mg/l (not detected above this)2 Jul 2025, 12:02: below 0.03 mg/l (not detected above this)15 Aug 2025, 12:09: below 0.03 mg/l (not detected above this)12 Sep 2025, 11:00: below 0.03 mg/l (not detected above this)13 Oct 2025, 11:06: below 0.03 mg/l (not detected above this)13 Nov 2025, 11:39: below 0.03 mg/l (not detected above this)1 Dec 2025, 10:31: below 0.03 mg/l (not detected above this)7 Jan 2026, 11:38: below 0.03 mg/l (not detected above this)20 Feb 2026, 08:35: below 0.03 mg/l (not detected above this)10 Mar 2026, 08:42: below 0.03 mg/l (not detected above this)16 Apr 2026, 14:07: below 0.03 mg/l (not detected above this)11 May 2026, 10:37: below 0.03 mg/l (not detected above this)8 Jun 2026, 09:03: below 0.03 mg/l (not detected above this)3 Jul 2026, 12:07: below 0.03 mg/l (not detected above this)20 Aug 2026, 10:59: below 0.03 mg/l (not detected above this)4 Sep 2026, 10:11: below 0.03 mg/l (not detected above this)
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:11<0.03 below 0.03 mg/l (not detected above this)
20 Aug 2026, 10:59<0.03 below 0.03 mg/l (not detected above this)
3 Jul 2026, 12:07<0.03 below 0.03 mg/l (not detected above this)
8 Jun 2026, 09:03<0.03 below 0.03 mg/l (not detected above this)
11 May 2026, 10:37<0.03 below 0.03 mg/l (not detected above this)
16 Apr 2026, 14:07<0.03 below 0.03 mg/l (not detected above this)
10 Mar 2026, 08:42<0.03 below 0.03 mg/l (not detected above this)
20 Feb 2026, 08:35<0.03 below 0.03 mg/l (not detected above this)
7 Jan 2026, 11:38<0.03 below 0.03 mg/l (not detected above this)
1 Dec 2025, 10:31<0.03 below 0.03 mg/l (not detected above this)
13 Nov 2025, 11:39<0.03 below 0.03 mg/l (not detected above this)
13 Oct 2025, 11:06<0.03 below 0.03 mg/l (not detected above this)
12 Sep 2025, 11:00<0.03 below 0.03 mg/l (not detected above this)
15 Aug 2025, 12:09<0.03 below 0.03 mg/l (not detected above this)
2 Jul 2025, 12:02<0.03 below 0.03 mg/l (not detected above this)
17 Jun 2025, 09:37<0.03 below 0.03 mg/l (not detected above this)
30 May 2025, 09:12<0.03 below 0.03 mg/l (not detected above this)
9 Apr 2025, 10:17<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

5.89 mg/l

Sampled 4 Sep 2026, 34 days ago · 18 results banked

5.566.57mg/l2024202520269 Apr 2025, 10:17: 6.39 mg/l30 May 2025, 09:12: 6.18 mg/l17 Jun 2025, 09:37: 6.08 mg/l2 Jul 2025, 12:02: 5.98 mg/l15 Aug 2025, 12:09: 5.69 mg/l12 Sep 2025, 11:00: 5.79 mg/l13 Oct 2025, 11:06: 5.79 mg/l13 Nov 2025, 11:39: 5.69 mg/l1 Dec 2025, 10:31: 5.69 mg/l7 Jan 2026, 11:38: 5.9 mg/l20 Feb 2026, 08:35: 6.7 mg/l10 Mar 2026, 08:42: 6.6 mg/l16 Apr 2026, 14:07: 6.3 mg/l11 May 2026, 10:37: 6.49 mg/l8 Jun 2026, 09:03: 5.99 mg/l3 Jul 2026, 12:07: 6.29 mg/l20 Aug 2026, 10:59: 6.29 mg/l4 Sep 2026, 10:11: 5.89 mg/l
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:115.89 5.89 mg/l
20 Aug 2026, 10:596.29 6.29 mg/l
3 Jul 2026, 12:076.29 6.29 mg/l
8 Jun 2026, 09:035.99 5.99 mg/l
11 May 2026, 10:376.49 6.49 mg/l
16 Apr 2026, 14:076.3 6.3 mg/l
10 Mar 2026, 08:426.6 6.6 mg/l
20 Feb 2026, 08:356.7 6.7 mg/l
7 Jan 2026, 11:385.9 5.9 mg/l
1 Dec 2025, 10:315.69 5.69 mg/l
13 Nov 2025, 11:395.69 5.69 mg/l
13 Oct 2025, 11:065.79 5.79 mg/l
12 Sep 2025, 11:005.79 5.79 mg/l
15 Aug 2025, 12:095.69 5.69 mg/l
2 Jul 2025, 12:025.98 5.98 mg/l
17 Jun 2025, 09:376.08 6.08 mg/l
30 May 2025, 09:126.18 6.18 mg/l
9 Apr 2025, 10:176.39 6.39 mg/l

Phosphate

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

0.03 mg/l

Sampled 4 Sep 2026, 34 days ago · 18 results banked

0.020.030.040.050.06mg/l2024202520269 Apr 2025, 10:17: 0.023 mg/l30 May 2025, 09:12: 0.026 mg/l17 Jun 2025, 09:37: 0.025 mg/l2 Jul 2025, 12:02: 0.023 mg/l15 Aug 2025, 12:09: 0.023 mg/l12 Sep 2025, 11:00: 0.029 mg/l13 Oct 2025, 11:06: 0.036 mg/l13 Nov 2025, 11:39: 0.04 mg/l1 Dec 2025, 10:31: 0.036 mg/l7 Jan 2026, 11:38: 0.041 mg/l20 Feb 2026, 08:35: 0.045 mg/l10 Mar 2026, 08:42: 0.037 mg/l16 Apr 2026, 14:07: 0.029 mg/l11 May 2026, 10:37: 0.052 mg/l8 Jun 2026, 09:03: 0.026 mg/l3 Jul 2026, 12:07: 0.031 mg/l20 Aug 2026, 10:59: 0.055 mg/l4 Sep 2026, 10:11: 0.03 mg/l
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:110.03 0.03 mg/l
20 Aug 2026, 10:590.055 0.055 mg/l
3 Jul 2026, 12:070.031 0.031 mg/l
8 Jun 2026, 09:030.026 0.026 mg/l
11 May 2026, 10:370.052 0.052 mg/l
16 Apr 2026, 14:070.029 0.029 mg/l
10 Mar 2026, 08:420.037 0.037 mg/l
20 Feb 2026, 08:350.045 0.045 mg/l
7 Jan 2026, 11:380.041 0.041 mg/l
1 Dec 2025, 10:310.036 0.036 mg/l
13 Nov 2025, 11:390.04 0.04 mg/l
13 Oct 2025, 11:060.036 0.036 mg/l
12 Sep 2025, 11:000.029 0.029 mg/l
15 Aug 2025, 12:090.023 0.023 mg/l
2 Jul 2025, 12:020.023 0.023 mg/l
17 Jun 2025, 09:370.025 0.025 mg/l
30 May 2025, 09:120.026 0.026 mg/l
9 Apr 2025, 10:170.023 0.023 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

651 µS/cm

Sampled 4 Sep 2026, 34 days ago · 18 results banked

600700800900µS/cm2024202520269 Apr 2025, 10:17: 639 µS/cm30 May 2025, 09:12: 608 µS/cm17 Jun 2025, 09:37: 623 µS/cm2 Jul 2025, 12:02: 814 µS/cm15 Aug 2025, 12:09: 656 µS/cm12 Sep 2025, 11:00: 735 µS/cm13 Oct 2025, 11:06: 616 µS/cm13 Nov 2025, 11:39: 616 µS/cm1 Dec 2025, 10:31: 607 µS/cm7 Jan 2026, 11:38: 620 µS/cm20 Feb 2026, 08:35: 627 µS/cm10 Mar 2026, 08:42: 630 µS/cm16 Apr 2026, 14:07: 626 µS/cm11 May 2026, 10:37: 624 µS/cm8 Jun 2026, 09:03: 620 µS/cm3 Jul 2026, 12:07: 628 µS/cm20 Aug 2026, 10:59: 621 µS/cm4 Sep 2026, 10:11: 651 µS/cm
Every result (18)
SampledResult as publishedReads as
4 Sep 2026, 10:11651 651 µS/cm
20 Aug 2026, 10:59621 621 µS/cm
3 Jul 2026, 12:07628 628 µS/cm
8 Jun 2026, 09:03620 620 µS/cm
11 May 2026, 10:37624 624 µS/cm
16 Apr 2026, 14:07626 626 µS/cm
10 Mar 2026, 08:42630 630 µS/cm
20 Feb 2026, 08:35627 627 µS/cm
7 Jan 2026, 11:38620 620 µS/cm
1 Dec 2025, 10:31607 607 µS/cm
13 Nov 2025, 11:39616 616 µS/cm
13 Oct 2025, 11:06616 616 µS/cm
12 Sep 2025, 11:00735 735 µS/cm
15 Aug 2025, 12:09656 656 µS/cm
2 Jul 2025, 12:02814 814 µS/cm
17 Jun 2025, 09:37623 623 µS/cm
30 May 2025, 09:12608 608 µS/cm
9 Apr 2025, 10:17639 639 µS/cm

Everything measured here

12 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 12 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 18 Apr 2025 – Sep 2026 98.1% 4 Sep 2026
Oxygen, Dissolved as O2 9924 River water 18 Apr 2025 – Sep 2026 9.68 mg/l 4 Sep 2026
Temperature of Water 0076 River water 18 Apr 2025 – Sep 2026 15.9 °C 4 Sep 2026
pH 0061 River water 18 Apr 2025 – Sep 2026 7.74 4 Sep 2026
Ammoniacal Nitrogen as N 0111 River water 18 Apr 2025 – Sep 2026 below 0.03 mg/l 4 Sep 2026
Nitrate as N 0117 River water 18 Apr 2025 – Sep 2026 5.89 mg/l 4 Sep 2026
Orthophosphate, reactive as P 0180 River water 18 Apr 2025 – Sep 2026 0.03 mg/l 4 Sep 2026
Conductivity at 25 C 0077 River water 18 Apr 2025 – Sep 2026 651 µS/cm 4 Sep 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 18 Apr 2025 – Sep 2026 250 mg/l 4 Sep 2026
Ammonia un-ionised as N 0119 River water 18 Apr 2025 – Sep 2026 below 0.00047 mg/l 4 Sep 2026
Nitrite as N 0118 River water 18 Apr 2025 – Sep 2026 0.0094 mg/l 4 Sep 2026
Nitrogen, Total Oxidised as N 0116 River water 18 Apr 2025 – Sep 2026 5.9 mg/l 4 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.