Gillfoot Beck downstream of Farm

EA name: GILLFOOT BECK D/S FARM
Environment Agency sampling point NW-SSN0010 · 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 Aug 2026, 13:2358 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
37 since 3 Oct 2023 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 361477, 486185As published, to the nearest 1 m. Open in a map
River, by its own name
Gillfoot Beck
River, by the map
An unnamed streamPlaced by position alone (the only river line close by), 0 m from the line.
Next gauge downstream
Caton On the River Lune · 32 km along the river
Why it was sampled
Monitoring (national agency policy) (37 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

83.7%

Sampled 4 Aug 2026, 58 days ago · 33 results banked

8090100110%2024202520263 Oct 2023, 13:59: 99.7%3 Nov 2023, 10:37: 100.4%1 Dec 2023, 10:27: 101.1%3 Jan 2024, 11:28: 98.5%7 Feb 2024, 13:00: 101.2%21 Mar 2024, 13:41: 101.2%15 Apr 2024, 14:09: 100.9%2 May 2024, 10:35: 101.5%5 Jun 2024, 15:11: 99.7%18 Jul 2024, 13:00: 100.3%5 Aug 2024, 11:10: 99.3%6 Sep 2024, 12:04: 107%2 Oct 2024, 11:09: 105.1%11 Nov 2024, 10:23: 100.1%5 Dec 2024, 14:41: 98.8%13 Jan 2025, 14:54: 100.6%4 Feb 2025, 10:28: 99.2%6 Mar 2025, 11:14: 102.4%7 Apr 2025, 10:10: 99.5%23 May 2025, 13:17: 85.4%17 Jun 2025, 10:38: 100.3%8 Jul 2025, 10:22: 100.8%5 Aug 2025, 10:54: 100.3%3 Sep 2025, 09:52: 99.6%10 Oct 2025, 10:02: 99%4 Nov 2025, 11:25: 101.4%15 Dec 2025, 13:33: 102.3%12 Jan 2026, 10:13: 101.4%5 Feb 2026, 10:03: 100.2%11 Mar 2026, 11:30: 101.9%7 May 2026, 12:45: 104.8%21 Jul 2026, 11:41: 85.1%4 Aug 2026, 13:23: 83.7%
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:2383.7 83.7%
21 Jul 2026, 11:4185.1 85.1%
7 May 2026, 12:45104.8 104.8%
11 Mar 2026, 11:30101.9 101.9%
5 Feb 2026, 10:03100.2 100.2%
12 Jan 2026, 10:13101.4 101.4%
15 Dec 2025, 13:33102.3 102.3%
4 Nov 2025, 11:25101.4 101.4%
10 Oct 2025, 10:0299 99%
3 Sep 2025, 09:5299.6 99.6%
5 Aug 2025, 10:54100.3 100.3%
8 Jul 2025, 10:22100.8 100.8%
17 Jun 2025, 10:38100.3 100.3%
23 May 2025, 13:1785.4 85.4%
7 Apr 2025, 10:1099.5 99.5%
6 Mar 2025, 11:14102.4 102.4%
4 Feb 2025, 10:2899.2 99.2%
13 Jan 2025, 14:54100.6 100.6%
5 Dec 2024, 14:4198.8 98.8%
11 Nov 2024, 10:23100.1 100.1%
2 Oct 2024, 11:09105.1 105.1%
6 Sep 2024, 12:04107 107%
5 Aug 2024, 11:1099.3 99.3%
18 Jul 2024, 13:00100.3 100.3%
5 Jun 2024, 15:1199.7 99.7%
2 May 2024, 10:35101.5 101.5%
15 Apr 2024, 14:09100.9 100.9%
21 Mar 2024, 13:41101.2 101.2%
7 Feb 2024, 13:00101.2 101.2%
3 Jan 2024, 11:2898.5 98.5%
1 Dec 2023, 10:27101.1 101.1%
3 Nov 2023, 10:37100.4 100.4%
3 Oct 2023, 13:5999.7 99.7%

Dissolved oxygen

as O2 · code 9924 · mg/l

7.98 mg/l

Sampled 4 Aug 2026, 58 days ago · 33 results banked

68101214mg/l2024202520263 Oct 2023, 13:59: 10.4 mg/l3 Nov 2023, 10:37: 11.3 mg/l1 Dec 2023, 10:27: 12.9 mg/l3 Jan 2024, 11:28: 11.5 mg/l7 Feb 2024, 13:00: 12.1 mg/l21 Mar 2024, 13:41: 11.7 mg/l15 Apr 2024, 14:09: 11.5 mg/l2 May 2024, 10:35: 10.9 mg/l5 Jun 2024, 15:11: 10.9 mg/l18 Jul 2024, 13:00: 9.79 mg/l5 Aug 2024, 11:10: 9.75 mg/l6 Sep 2024, 12:04: 9.8 mg/l2 Oct 2024, 11:09: 11.4 mg/l11 Nov 2024, 10:23: 11.7 mg/l5 Dec 2024, 14:41: 11.3 mg/l13 Jan 2025, 14:54: 12.3 mg/l4 Feb 2025, 10:28: 11.8 mg/l6 Mar 2025, 11:14: 12 mg/l7 Apr 2025, 10:10: 11.9 mg/l23 May 2025, 13:17: 8.48 mg/l17 Jun 2025, 10:38: 10.5 mg/l8 Jul 2025, 10:22: 10.5 mg/l5 Aug 2025, 10:54: 10.3 mg/l3 Sep 2025, 09:52: 10.2 mg/l10 Oct 2025, 10:02: 10.5 mg/l4 Nov 2025, 11:25: 10.8 mg/l15 Dec 2025, 13:33: 11.6 mg/l12 Jan 2026, 10:13: 12.1 mg/l5 Feb 2026, 10:03: 12.7 mg/l11 Mar 2026, 11:30: 11.8 mg/l7 May 2026, 12:45: 11.3 mg/l21 Jul 2026, 11:41: 8.24 mg/l4 Aug 2026, 13:23: 7.98 mg/l
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:237.98 7.98 mg/l
21 Jul 2026, 11:418.24 8.24 mg/l
7 May 2026, 12:4511.3 11.3 mg/l
11 Mar 2026, 11:3011.8 11.8 mg/l
5 Feb 2026, 10:0312.7 12.7 mg/l
12 Jan 2026, 10:1312.1 12.1 mg/l
15 Dec 2025, 13:3311.6 11.6 mg/l
4 Nov 2025, 11:2510.8 10.8 mg/l
10 Oct 2025, 10:0210.5 10.5 mg/l
3 Sep 2025, 09:5210.2 10.2 mg/l
5 Aug 2025, 10:5410.3 10.3 mg/l
8 Jul 2025, 10:2210.5 10.5 mg/l
17 Jun 2025, 10:3810.5 10.5 mg/l
23 May 2025, 13:178.48 8.48 mg/l
7 Apr 2025, 10:1011.9 11.9 mg/l
6 Mar 2025, 11:1412 12 mg/l
4 Feb 2025, 10:2811.8 11.8 mg/l
13 Jan 2025, 14:5412.3 12.3 mg/l
5 Dec 2024, 14:4111.3 11.3 mg/l
11 Nov 2024, 10:2311.7 11.7 mg/l
2 Oct 2024, 11:0911.4 11.4 mg/l
6 Sep 2024, 12:049.8 9.8 mg/l
5 Aug 2024, 11:109.75 9.75 mg/l
18 Jul 2024, 13:009.79 9.79 mg/l
5 Jun 2024, 15:1110.9 10.9 mg/l
2 May 2024, 10:3510.9 10.9 mg/l
15 Apr 2024, 14:0911.5 11.5 mg/l
21 Mar 2024, 13:4111.7 11.7 mg/l
7 Feb 2024, 13:0012.1 12.1 mg/l
3 Jan 2024, 11:2811.5 11.5 mg/l
1 Dec 2023, 10:2712.9 12.9 mg/l
3 Nov 2023, 10:3711.3 11.3 mg/l
3 Oct 2023, 13:5910.4 10.4 mg/l

Water temperature

code 0076 · °C

17.5 °C

Sampled 4 Aug 2026, 58 days ago · 33 results banked

5101520°C2024202520263 Oct 2023, 13:59: 13.3 °C3 Nov 2023, 10:37: 10.2 °C1 Dec 2023, 10:27: 5.1 °C3 Jan 2024, 11:28: 8.4 °C7 Feb 2024, 13:00: 7.5 °C21 Mar 2024, 13:41: 9 °C15 Apr 2024, 14:09: 9.5 °C2 May 2024, 10:35: 11.9 °C5 Jun 2024, 15:11: 11.4 °C18 Jul 2024, 13:00: 16.4 °C5 Aug 2024, 11:10: 16.1 °C6 Sep 2024, 12:04: 19.5 °C2 Oct 2024, 11:09: 11.5 °C11 Nov 2024, 10:23: 8.3 °C5 Dec 2024, 14:41: 9.2 °C13 Jan 2025, 14:54: 6.7 °C4 Feb 2025, 10:28: 7.9 °C6 Mar 2025, 11:14: 8.5 °C7 Apr 2025, 10:10: 7.7 °C23 May 2025, 13:17: 15.6 °C17 Jun 2025, 10:38: 13.1 °C8 Jul 2025, 10:22: 13.4 °C5 Aug 2025, 10:54: 13.9 °C3 Sep 2025, 09:52: 14.3 °C10 Oct 2025, 10:02: 12.4 °C4 Nov 2025, 11:25: 12.4 °C15 Dec 2025, 13:33: 9.6 °C12 Jan 2026, 10:13: 7.6 °C5 Feb 2026, 10:03: 5.2 °C11 Mar 2026, 11:30: 8.9 °C7 May 2026, 12:45: 11.9 °C21 Jul 2026, 11:41: 16.8 °C4 Aug 2026, 13:23: 17.5 °C
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:2317.5 17.5 °C
21 Jul 2026, 11:4116.8 16.8 °C
7 May 2026, 12:4511.9 11.9 °C
11 Mar 2026, 11:308.9 8.9 °C
5 Feb 2026, 10:035.2 5.2 °C
12 Jan 2026, 10:137.6 7.6 °C
15 Dec 2025, 13:339.6 9.6 °C
4 Nov 2025, 11:2512.4 12.4 °C
10 Oct 2025, 10:0212.4 12.4 °C
3 Sep 2025, 09:5214.3 14.3 °C
5 Aug 2025, 10:5413.9 13.9 °C
8 Jul 2025, 10:2213.4 13.4 °C
17 Jun 2025, 10:3813.1 13.1 °C
23 May 2025, 13:1715.6 15.6 °C
7 Apr 2025, 10:107.7 7.7 °C
6 Mar 2025, 11:148.5 8.5 °C
4 Feb 2025, 10:287.9 7.9 °C
13 Jan 2025, 14:546.7 6.7 °C
5 Dec 2024, 14:419.2 9.2 °C
11 Nov 2024, 10:238.3 8.3 °C
2 Oct 2024, 11:0911.5 11.5 °C
6 Sep 2024, 12:0419.5 19.5 °C
5 Aug 2024, 11:1016.1 16.1 °C
18 Jul 2024, 13:0016.4 16.4 °C
5 Jun 2024, 15:1111.4 11.4 °C
2 May 2024, 10:3511.9 11.9 °C
15 Apr 2024, 14:099.5 9.5 °C
21 Mar 2024, 13:419 9 °C
7 Feb 2024, 13:007.5 7.5 °C
3 Jan 2024, 11:288.4 8.4 °C
1 Dec 2023, 10:275.1 5.1 °C
3 Nov 2023, 10:3710.2 10.2 °C
3 Oct 2023, 13:5913.3 13.3 °C

pH

code 0061

7.38

Sampled 4 Aug 2026, 58 days ago · 33 results banked

77.588.52024202520263 Oct 2023, 13:59: 7.743 Nov 2023, 10:37: 7.51 Dec 2023, 10:27: 7.953 Jan 2024, 11:28: 7.367 Feb 2024, 13:00: 7.7421 Mar 2024, 13:41: 7.7215 Apr 2024, 14:09: 7.782 May 2024, 10:35: 7.925 Jun 2024, 15:11: 7.9518 Jul 2024, 13:00: 8.15 Aug 2024, 11:10: 8.416 Sep 2024, 12:04: 8.222 Oct 2024, 11:09: 8.1411 Nov 2024, 10:23: 7.965 Dec 2024, 14:41: 7.7513 Jan 2025, 14:54: 7.924 Feb 2025, 10:28: 8.016 Mar 2025, 11:14: 8.117 Apr 2025, 10:10: 7.8423 May 2025, 13:17: 7.217 Jun 2025, 10:38: 7.888 Jul 2025, 10:22: 7.95 Aug 2025, 10:54: 8.073 Sep 2025, 09:52: 7.8710 Oct 2025, 10:02: 7.524 Nov 2025, 11:25: 7.6115 Dec 2025, 13:33: 7.7412 Jan 2026, 10:13: 7.955 Feb 2026, 10:03: 8.0311 Mar 2026, 11:30: 7.897 May 2026, 12:45: 7.9321 Jul 2026, 11:41: 7.214 Aug 2026, 13:23: 7.38
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:237.38 7.38
21 Jul 2026, 11:417.21 7.21
7 May 2026, 12:457.93 7.93
11 Mar 2026, 11:307.89 7.89
5 Feb 2026, 10:038.03 8.03
12 Jan 2026, 10:137.95 7.95
15 Dec 2025, 13:337.74 7.74
4 Nov 2025, 11:257.61 7.61
10 Oct 2025, 10:027.52 7.52
3 Sep 2025, 09:527.87 7.87
5 Aug 2025, 10:548.07 8.07
8 Jul 2025, 10:227.9 7.9
17 Jun 2025, 10:387.88 7.88
23 May 2025, 13:177.2 7.2
7 Apr 2025, 10:107.84 7.84
6 Mar 2025, 11:148.11 8.11
4 Feb 2025, 10:288.01 8.01
13 Jan 2025, 14:547.92 7.92
5 Dec 2024, 14:417.75 7.75
11 Nov 2024, 10:237.96 7.96
2 Oct 2024, 11:098.14 8.14
6 Sep 2024, 12:048.22 8.22
5 Aug 2024, 11:108.41 8.41
18 Jul 2024, 13:008.1 8.1
5 Jun 2024, 15:117.95 7.95
2 May 2024, 10:357.92 7.92
15 Apr 2024, 14:097.78 7.78
21 Mar 2024, 13:417.72 7.72
7 Feb 2024, 13:007.74 7.74
3 Jan 2024, 11:287.36 7.36
1 Dec 2023, 10:277.95 7.95
3 Nov 2023, 10:377.5 7.5
3 Oct 2023, 13:597.74 7.74

Ammonia

ammoniacal nitrogen as N · code 0111 · mg/l

below 0.03 mg/l (not detected above this)

Sampled 4 Aug 2026, 58 days ago · 33 results banked

0.030.040.050.06mg/l2024202520263 Oct 2023, 13:59: below 0.03 mg/l (not detected above this)3 Nov 2023, 10:37: below 0.03 mg/l (not detected above this)1 Dec 2023, 10:27: below 0.03 mg/l (not detected above this)3 Jan 2024, 11:28: below 0.03 mg/l (not detected above this)7 Feb 2024, 13:00: below 0.03 mg/l (not detected above this)21 Mar 2024, 13:41: below 0.03 mg/l (not detected above this)15 Apr 2024, 14:09: 0.03 mg/l2 May 2024, 10:35: below 0.03 mg/l (not detected above this)5 Jun 2024, 15:11: below 0.03 mg/l (not detected above this)18 Jul 2024, 13:00: below 0.03 mg/l (not detected above this)5 Aug 2024, 11:10: below 0.03 mg/l (not detected above this)6 Sep 2024, 12:04: below 0.03 mg/l (not detected above this)2 Oct 2024, 11:09: below 0.03 mg/l (not detected above this)11 Nov 2024, 10:23: below 0.03 mg/l (not detected above this)5 Dec 2024, 14:41: 0.059 mg/l13 Jan 2025, 14:54: below 0.03 mg/l (not detected above this)4 Feb 2025, 10:28: 0.033 mg/l6 Mar 2025, 11:14: below 0.03 mg/l (not detected above this)7 Apr 2025, 10:10: below 0.03 mg/l (not detected above this)23 May 2025, 13:17: below 0.03 mg/l (not detected above this)17 Jun 2025, 10:38: below 0.03 mg/l (not detected above this)8 Jul 2025, 10:22: below 0.03 mg/l (not detected above this)5 Aug 2025, 10:54: below 0.03 mg/l (not detected above this)3 Sep 2025, 09:52: below 0.03 mg/l (not detected above this)10 Oct 2025, 10:02: below 0.03 mg/l (not detected above this)4 Nov 2025, 11:25: below 0.03 mg/l (not detected above this)15 Dec 2025, 13:33: below 0.03 mg/l (not detected above this)12 Jan 2026, 10:13: below 0.03 mg/l (not detected above this)5 Feb 2026, 10:03: below 0.03 mg/l (not detected above this)11 Mar 2026, 11:30: below 0.03 mg/l (not detected above this)7 May 2026, 12:45: below 0.03 mg/l (not detected above this)21 Jul 2026, 11:41: below 0.03 mg/l (not detected above this)4 Aug 2026, 13:23: below 0.03 mg/l (not detected above this)
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:23<0.03 below 0.03 mg/l (not detected above this)
21 Jul 2026, 11:41<0.03 below 0.03 mg/l (not detected above this)
7 May 2026, 12:45<0.03 below 0.03 mg/l (not detected above this)
11 Mar 2026, 11:30<0.03 below 0.03 mg/l (not detected above this)
5 Feb 2026, 10:03<0.03 below 0.03 mg/l (not detected above this)
12 Jan 2026, 10:13<0.03 below 0.03 mg/l (not detected above this)
15 Dec 2025, 13:33<0.03 below 0.03 mg/l (not detected above this)
4 Nov 2025, 11:25<0.03 below 0.03 mg/l (not detected above this)
10 Oct 2025, 10:02<0.03 below 0.03 mg/l (not detected above this)
3 Sep 2025, 09:52<0.03 below 0.03 mg/l (not detected above this)
5 Aug 2025, 10:54<0.03 below 0.03 mg/l (not detected above this)
8 Jul 2025, 10:22<0.03 below 0.03 mg/l (not detected above this)
17 Jun 2025, 10:38<0.03 below 0.03 mg/l (not detected above this)
23 May 2025, 13:17<0.03 below 0.03 mg/l (not detected above this)
7 Apr 2025, 10:10<0.03 below 0.03 mg/l (not detected above this)
6 Mar 2025, 11:14<0.03 below 0.03 mg/l (not detected above this)
4 Feb 2025, 10:280.033 0.033 mg/l
13 Jan 2025, 14:54<0.03 below 0.03 mg/l (not detected above this)
5 Dec 2024, 14:410.059 0.059 mg/l
11 Nov 2024, 10:23<0.03 below 0.03 mg/l (not detected above this)
2 Oct 2024, 11:09<0.03 below 0.03 mg/l (not detected above this)
6 Sep 2024, 12:04<0.03 below 0.03 mg/l (not detected above this)
5 Aug 2024, 11:10<0.03 below 0.03 mg/l (not detected above this)
18 Jul 2024, 13:00<0.03 below 0.03 mg/l (not detected above this)
5 Jun 2024, 15:11<0.03 below 0.03 mg/l (not detected above this)
2 May 2024, 10:35<0.03 below 0.03 mg/l (not detected above this)
15 Apr 2024, 14:090.03 0.03 mg/l
21 Mar 2024, 13:41<0.03 below 0.03 mg/l (not detected above this)
7 Feb 2024, 13:00<0.03 below 0.03 mg/l (not detected above this)
3 Jan 2024, 11:28<0.03 below 0.03 mg/l (not detected above this)
1 Dec 2023, 10:27<0.03 below 0.03 mg/l (not detected above this)
3 Nov 2023, 10:37<0.03 below 0.03 mg/l (not detected above this)
3 Oct 2023, 13:59<0.03 below 0.03 mg/l (not detected above this)

Nitrate

as nitrogen (N) · code 0117 · mg/l

1.5 mg/l

Sampled 4 Aug 2026, 58 days ago · 33 results banked

0.511.522.5mg/l2024202520263 Oct 2023, 13:59: 1.6 mg/l3 Nov 2023, 10:37: 1.7 mg/l1 Dec 2023, 10:27: 2.1 mg/l3 Jan 2024, 11:28: 2 mg/l7 Feb 2024, 13:00: 2.3 mg/l21 Mar 2024, 13:41: 1.9 mg/l15 Apr 2024, 14:09: 1.1 mg/l2 May 2024, 10:35: 1.8 mg/l5 Jun 2024, 15:11: 1.6 mg/l18 Jul 2024, 13:00: 1.5 mg/l5 Aug 2024, 11:10: 1.5 mg/l6 Sep 2024, 12:04: 1.4 mg/l2 Oct 2024, 11:09: 1.2 mg/l11 Nov 2024, 10:23: 1.6 mg/l5 Dec 2024, 14:41: 1.1 mg/l13 Jan 2025, 14:54: 1.4 mg/l4 Feb 2025, 10:28: 1.5 mg/l6 Mar 2025, 11:14: 1.6 mg/l7 Apr 2025, 10:10: 1.6 mg/l23 May 2025, 13:17: 1.5 mg/l17 Jun 2025, 10:38: 1.1 mg/l8 Jul 2025, 10:22: 1.1 mg/l5 Aug 2025, 10:54: 0.926 mg/l3 Sep 2025, 09:52: 0.936 mg/l10 Oct 2025, 10:02: 1.2 mg/l4 Nov 2025, 11:25: 0.996 mg/l15 Dec 2025, 13:33: 1.1 mg/l12 Jan 2026, 10:13: 1.5 mg/l5 Feb 2026, 10:03: 1.5 mg/l11 Mar 2026, 11:30: 1.3 mg/l7 May 2026, 12:45: 1.3 mg/l21 Jul 2026, 11:41: 1.5 mg/l4 Aug 2026, 13:23: 1.5 mg/l
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:231.5 1.5 mg/l
21 Jul 2026, 11:411.5 1.5 mg/l
7 May 2026, 12:451.3 1.3 mg/l
11 Mar 2026, 11:301.3 1.3 mg/l
5 Feb 2026, 10:031.5 1.5 mg/l
12 Jan 2026, 10:131.5 1.5 mg/l
15 Dec 2025, 13:331.1 1.1 mg/l
4 Nov 2025, 11:250.996 0.996 mg/l
10 Oct 2025, 10:021.2 1.2 mg/l
3 Sep 2025, 09:520.936 0.936 mg/l
5 Aug 2025, 10:540.926 0.926 mg/l
8 Jul 2025, 10:221.1 1.1 mg/l
17 Jun 2025, 10:381.1 1.1 mg/l
23 May 2025, 13:171.5 1.5 mg/l
7 Apr 2025, 10:101.6 1.6 mg/l
6 Mar 2025, 11:141.6 1.6 mg/l
4 Feb 2025, 10:281.5 1.5 mg/l
13 Jan 2025, 14:541.4 1.4 mg/l
5 Dec 2024, 14:411.1 1.1 mg/l
11 Nov 2024, 10:231.6 1.6 mg/l
2 Oct 2024, 11:091.2 1.2 mg/l
6 Sep 2024, 12:041.4 1.4 mg/l
5 Aug 2024, 11:101.5 1.5 mg/l
18 Jul 2024, 13:001.5 1.5 mg/l
5 Jun 2024, 15:111.6 1.6 mg/l
2 May 2024, 10:351.8 1.8 mg/l
15 Apr 2024, 14:091.1 1.1 mg/l
21 Mar 2024, 13:411.9 1.9 mg/l
7 Feb 2024, 13:002.3 2.3 mg/l
3 Jan 2024, 11:282 2 mg/l
1 Dec 2023, 10:272.1 2.1 mg/l
3 Nov 2023, 10:371.7 1.7 mg/l
3 Oct 2023, 13:591.6 1.6 mg/l

Phosphate

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

0.08 mg/l

Sampled 4 Aug 2026, 58 days ago · 33 results banked

00.020.040.060.08mg/l2024202520263 Oct 2023, 13:59: 0.013 mg/l3 Nov 2023, 10:37: below 0.01 mg/l (not detected above this)1 Dec 2023, 10:27: 0.015 mg/l3 Jan 2024, 11:28: 0.019 mg/l7 Feb 2024, 13:00: 0.018 mg/l21 Mar 2024, 13:41: 0.012 mg/l15 Apr 2024, 14:09: 0.017 mg/l2 May 2024, 10:35: 0.018 mg/l5 Jun 2024, 15:11: 0.016 mg/l18 Jul 2024, 13:00: 0.017 mg/l5 Aug 2024, 11:10: 0.025 mg/l6 Sep 2024, 12:04: 0.016 mg/l2 Oct 2024, 11:09: 0.013 mg/l11 Nov 2024, 10:23: 0.021 mg/l5 Dec 2024, 14:41: 0.029 mg/l13 Jan 2025, 14:54: 0.02 mg/l4 Feb 2025, 10:28: 0.016 mg/l6 Mar 2025, 11:14: below 0.01 mg/l (not detected above this)7 Apr 2025, 10:10: 0.015 mg/l23 May 2025, 13:17: 0.039 mg/l17 Jun 2025, 10:38: 0.022 mg/l8 Jul 2025, 10:22: 0.019 mg/l5 Aug 2025, 10:54: 0.028 mg/l3 Sep 2025, 09:52: 0.025 mg/l10 Oct 2025, 10:02: 0.025 mg/l4 Nov 2025, 11:25: 0.05 mg/l15 Dec 2025, 13:33: 0.028 mg/l12 Jan 2026, 10:13: 0.019 mg/l5 Feb 2026, 10:03: 0.015 mg/l11 Mar 2026, 11:30: 0.023 mg/l7 May 2026, 12:45: 0.023 mg/l21 Jul 2026, 11:41: 0.037 mg/l4 Aug 2026, 13:23: 0.08 mg/l
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:230.08 0.08 mg/l
21 Jul 2026, 11:410.037 0.037 mg/l
7 May 2026, 12:450.023 0.023 mg/l
11 Mar 2026, 11:300.023 0.023 mg/l
5 Feb 2026, 10:030.015 0.015 mg/l
12 Jan 2026, 10:130.019 0.019 mg/l
15 Dec 2025, 13:330.028 0.028 mg/l
4 Nov 2025, 11:250.05 0.05 mg/l
10 Oct 2025, 10:020.025 0.025 mg/l
3 Sep 2025, 09:520.025 0.025 mg/l
5 Aug 2025, 10:540.028 0.028 mg/l
8 Jul 2025, 10:220.019 0.019 mg/l
17 Jun 2025, 10:380.022 0.022 mg/l
23 May 2025, 13:170.039 0.039 mg/l
7 Apr 2025, 10:100.015 0.015 mg/l
6 Mar 2025, 11:14<0.01 below 0.01 mg/l (not detected above this)
4 Feb 2025, 10:280.016 0.016 mg/l
13 Jan 2025, 14:540.02 0.02 mg/l
5 Dec 2024, 14:410.029 0.029 mg/l
11 Nov 2024, 10:230.021 0.021 mg/l
2 Oct 2024, 11:090.013 0.013 mg/l
6 Sep 2024, 12:040.016 0.016 mg/l
5 Aug 2024, 11:100.025 0.025 mg/l
18 Jul 2024, 13:000.017 0.017 mg/l
5 Jun 2024, 15:110.016 0.016 mg/l
2 May 2024, 10:350.018 0.018 mg/l
15 Apr 2024, 14:090.017 0.017 mg/l
21 Mar 2024, 13:410.012 0.012 mg/l
7 Feb 2024, 13:000.018 0.018 mg/l
3 Jan 2024, 11:280.019 0.019 mg/l
1 Dec 2023, 10:270.015 0.015 mg/l
3 Nov 2023, 10:37<0.01 below 0.01 mg/l (not detected above this)
3 Oct 2023, 13:590.013 0.013 mg/l

Conductivity

at 25 °C · code 0077 · µS/cm

218 µS/cm

Sampled 4 Aug 2026, 58 days ago · 33 results banked

0100200300400500µS/cm2024202520263 Oct 2023, 13:59: 135 µS/cm3 Nov 2023, 10:37: 136 µS/cm1 Dec 2023, 10:27: 148 µS/cm3 Jan 2024, 11:28: 111 µS/cm7 Feb 2024, 13:00: 136 µS/cm21 Mar 2024, 13:41: 129 µS/cm15 Apr 2024, 14:09: 102 µS/cm2 May 2024, 10:35: 157 µS/cm5 Jun 2024, 15:11: 151 µS/cm18 Jul 2024, 13:00: 177 µS/cm5 Aug 2024, 11:10: 212 µS/cm6 Sep 2024, 12:04: 383 µS/cm2 Oct 2024, 11:09: 169 µS/cm11 Nov 2024, 10:23: 191 µS/cm5 Dec 2024, 14:41: 124 µS/cm13 Jan 2025, 14:54: 135 µS/cm4 Feb 2025, 10:28: 149 µS/cm6 Mar 2025, 11:14: 166 µS/cm7 Apr 2025, 10:10: 183 µS/cm23 May 2025, 13:17: 213 µS/cm17 Jun 2025, 10:38: 139 µS/cm8 Jul 2025, 10:22: 130 µS/cm5 Aug 2025, 10:54: 147 µS/cm3 Sep 2025, 09:52: 135 µS/cm10 Oct 2025, 10:02: 140 µS/cm4 Nov 2025, 11:25: 87 µS/cm15 Dec 2025, 13:33: 94 µS/cm12 Jan 2026, 10:13: 113 µS/cm5 Feb 2026, 10:03: 155 µS/cm11 Mar 2026, 11:30: 135 µS/cm7 May 2026, 12:45: 172 µS/cm21 Jul 2026, 11:41: 476 µS/cm4 Aug 2026, 13:23: 218 µS/cm
Every result (33)
SampledResult as publishedReads as
4 Aug 2026, 13:23218 218 µS/cm
21 Jul 2026, 11:41476 476 µS/cm
7 May 2026, 12:45172 172 µS/cm
11 Mar 2026, 11:30135 135 µS/cm
5 Feb 2026, 10:03155 155 µS/cm
12 Jan 2026, 10:13113 113 µS/cm
15 Dec 2025, 13:3394 94 µS/cm
4 Nov 2025, 11:2587 87 µS/cm
10 Oct 2025, 10:02140 140 µS/cm
3 Sep 2025, 09:52135 135 µS/cm
5 Aug 2025, 10:54147 147 µS/cm
8 Jul 2025, 10:22130 130 µS/cm
17 Jun 2025, 10:38139 139 µS/cm
23 May 2025, 13:17213 213 µS/cm
7 Apr 2025, 10:10183 183 µS/cm
6 Mar 2025, 11:14166 166 µS/cm
4 Feb 2025, 10:28149 149 µS/cm
13 Jan 2025, 14:54135 135 µS/cm
5 Dec 2024, 14:41124 124 µS/cm
11 Nov 2024, 10:23191 191 µS/cm
2 Oct 2024, 11:09169 169 µS/cm
6 Sep 2024, 12:04383 383 µS/cm
5 Aug 2024, 11:10212 212 µS/cm
18 Jul 2024, 13:00177 177 µS/cm
5 Jun 2024, 15:11151 151 µS/cm
2 May 2024, 10:35157 157 µS/cm
15 Apr 2024, 14:09102 102 µS/cm
21 Mar 2024, 13:41129 129 µS/cm
7 Feb 2024, 13:00136 136 µS/cm
3 Jan 2024, 11:28111 111 µS/cm
1 Dec 2023, 10:27148 148 µS/cm
3 Nov 2023, 10:37136 136 µS/cm
3 Oct 2023, 13:59135 135 µS/cm

Everything measured here

115 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 115 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 33 Oct 2023 – Aug 2026 83.7% 4 Aug 2026
Oxygen, Dissolved as O2 9924 River water 33 Oct 2023 – Aug 2026 7.98 mg/l 4 Aug 2026
Temperature of Water 0076 River water 33 Oct 2023 – Aug 2026 17.5 °C 4 Aug 2026
pH 0061 River water 33 Oct 2023 – Aug 2026 7.38 4 Aug 2026
Ammoniacal Nitrogen as N 0111 River water 33 Oct 2023 – Aug 2026 below 0.03 mg/l 4 Aug 2026
Nitrate as N 0117 River water 33 Oct 2023 – Aug 2026 1.5 mg/l 4 Aug 2026
Orthophosphate, reactive as P 0180 River water 33 Oct 2023 – Aug 2026 0.08 mg/l 4 Aug 2026
Conductivity at 25 C 0077 River water 33 Oct 2023 – Aug 2026 218 µS/cm 4 Aug 2026
(Perfluorohexanesulfonyl)[3-(trimethylazaniumyl)propyl]azanide 2890 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
10:2 Fluorotelomer sulfonic acid 2994 River water 1 Mar 2026 – Mar 2026 below 0.002 µg/l 11 Mar 2026
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) 2993 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) 2942 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) 2991 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) 2943 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) 2990 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
2H,2H,3H,3H-Perfluorooctanoic acid 2989 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
2H-Perfluoro-2-decenoic acid 2888 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
3-Perfluoroheptylpropanoic acid 2925 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
3:3 Fluorotelomer carboxylic acid 2926 River water 2 Sep 2025 – Mar 2026 below 0.004 µg/l 11 Mar 2026
4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 2988 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
4:2 Fluorotelomer sulfonic acid 2987 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
5:1:2 Fluorotelomer betaine 2887 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
5:3 Fluorotelomer betaine 2886 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
6:2 Fluorotelomer phosphate diester 2986 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 Mar 2026
6:2 Fluorotelomer sulfonamide amine oxide (6:2 FTNO) (Capstone A) 2841 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
6:2 Fluorotelomer sulfonamide betaine 2985 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
6:2 Fluorotelomer sulfonic acid 2984 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
6:2/8:2 Fluorotelomer phosphate diester 2884 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 11 Mar 2026
6:6 Perfluorophosphinic acid 2883 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 Mar 2026
6:8 Perfluorophosphinic acid 2882 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 11 Mar 2026
8:2 Fluorotelomer phosphate diester 2880 River water 1 Mar 2026 – Mar 2026 below 0.004 µg/l 11 Mar 2026
8:2 Fluorotelomer sulfonic acid 2983 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
8:8 Perfluorophosphinic acid 2879 River water 1 Mar 2026 – Mar 2026 below 0.01 µg/l 11 Mar 2026
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 2982 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Alkalinity to pH 4.5 as CaCO3 0162 River water 33 Oct 2023 – Aug 2026 78 mg/l 4 Aug 2026
Aluminium, Dissolved 6037 River water 7 Apr 2025 – Aug 2026 below 20 µg/l 4 Aug 2026
Aminomethylphosphonic acid 7125 River water 15 Apr 2025 – Aug 2026 below 0.1 µg/l 4 Aug 2026
Ammonia un-ionised as N 0119 River water 33 Oct 2023 – Aug 2026 below 0.00023 mg/l 4 Aug 2026
Barium, Dissolved 9446 River water 7 Apr 2025 – Aug 2026 29 µg/l 4 Aug 2026
Boron, Dissolved 9447 River water 7 Apr 2025 – Aug 2026 below 100 µg/l 4 Aug 2026
Cadmium, Dissolved 0106 River water 7 Apr 2025 – Aug 2026 below 0.01 µg/l 4 Aug 2026
Calcium, Dissolved 0239 River water 7 Apr 2025 – Aug 2026 29 mg/l 4 Aug 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 23 Jul 2024 – Aug 2026 1.4 mg/l 4 Aug 2026
Chloride 0172 River water 33 Oct 2023 – Aug 2026 8.8 mg/l 4 Aug 2026
Chromium, Dissolved 3409 River water 7 Apr 2025 – Aug 2026 below 0.5 µg/l 4 Aug 2026
Copper : BLM Bioavailable 4821 River water 6 Apr 2025 – Aug 2026 0.14 µg/l 4 Aug 2026
Copper, Dissolved 6450 River water 7 Apr 2025 – Aug 2026 0.79 µg/l 4 Aug 2026
eDNA Report 3047 River water 4 May 2024 – Jan 2025 1 text result 13 Jan 2025
Environmental DNA Filtration 3064 River water 4 May 2024 – Jan 2025 DNA Stored 13 Jan 2025
Flow Type 2896 River water 31 Oct 2023 – Aug 2026 Low Flow 4 Aug 2026
GCMS Screen : Target Based multi-residue screening : Semi Quantitative 4994 River water 1 Jul 2026 – Jul 2026 1 text result 21 Jul 2026
Glyphosate 3007 River water 15 Apr 2025 – Aug 2026 below 0.1 µg/l 4 Aug 2026
Hardness, Calcium 0163 River water 7 Apr 2025 – Aug 2026 72.4 mg/l 4 Aug 2026
Hardness, Total as CaCO3 0158 River water 7 Apr 2025 – Aug 2026 83.5 mg/l 4 Aug 2026
Hexafluoropropylene oxide dimer acid (Gen X) 2981 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Hexafluoropropylene oxide trimer acid 2980 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Iron, Dissolved 6460 River water 7 Apr 2025 – Aug 2026 below 30 µg/l 4 Aug 2026
LCMS Screen : Semi Quantitative 7299 River water 12 Mar 2025 – Jul 2026 1 text result 21 Jul 2026
Lead : BLM Bioavailable 3377 River water 6 Apr 2025 – Aug 2026 0.04 µg/l 4 Aug 2026
Lead, Dissolved 0052 River water 7 Apr 2025 – Aug 2026 below 0.1 µg/l 4 Aug 2026
Lithium, Dissolved 4201 River water 7 Apr 2025 – Aug 2026 below 100 µg/l 4 Aug 2026
Magnesium, Dissolved 0235 River water 7 Apr 2025 – Aug 2026 2.7 mg/l 4 Aug 2026
Manganese : BLM Bioavailable 4820 River water 6 Apr 2025 – Aug 2026 1.5 µg/l 4 Aug 2026
Manganese, Dissolved 6458 River water 7 Apr 2025 – Aug 2026 below 10 µg/l 4 Aug 2026
Mitochondrial marker : Fish 12S 2857 River water 4 May 2024 – Jan 2025 Present 13 Jan 2025
N-Ethylperfluorooctanesulfonamide 2977 River water 2 Sep 2025 – Mar 2026 below 0.002 µg/l 11 Mar 2026
N-methylperfluorooctanesulfonamide 2975 River water 2 Sep 2025 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Nickel : BLM Bioavailable 3878 River water 6 Apr 2025 – Aug 2026 0.13 µg/l 4 Aug 2026
Nickel, Dissolved 3410 River water 7 Apr 2025 – Aug 2026 below 0.5 µg/l 4 Aug 2026
Nitrite as N 0118 River water 33 Oct 2023 – Aug 2026 below 0.004 mg/l 4 Aug 2026
Nitrogen, Total as N 9686 River water 33 Oct 2023 – Aug 2026 1.8 mg/l 4 Aug 2026
Nitrogen, Total Oxidised as N 0116 River water 33 Oct 2023 – Aug 2026 1.5 mg/l 4 Aug 2026
Perfluoro(2-ethoxyethane)sulfonic acid 2924 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro(4-methoxybutanoic) acid 2923 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro-3,6-dioxaheptanoic acid 2922 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro-3-methoxypropanoic acid 2921 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoro-4-ethylcyclohexanesulfonic acid 2973 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorobutanesulfonic acid 2972 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorobutanoic acid 2995 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorobutylsulfonamide (perfluorobutane sulfonamide) 2970 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorodecanesulfonic acid 2969 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorodecanoic acid 8892 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorododecane sulfonic acid 2968 River water 2 Sep 2025 – Mar 2026 below 0.005 µg/l 11 Mar 2026
Perfluorododecanoic acid 8894 River water 2 Sep 2025 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Perfluoroheptanesulfonic acid 2967 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoroheptanoic acid 8889 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorohexane sulfonamido amine 2874 River water 1 Mar 2026 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorohexanesulfonamide 2965 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorohexanesulfonic acid (B) 2944 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorohexanesulfonic acid (L) 2964 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorohexanoic acid 8888 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorononanesulfonic acid 2963 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorononanoic acid 8891 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorooctadecanoic acid 2962 River water 2 Sep 2025 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Perfluorooctanesulfonamide 2961 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorooctanesulfonic acid (branched) 2960 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorooctanesulfonic acid (linear) 2959 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluorooctanesulfonic acid (total) 2958 River water 1 Mar 2026 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorooctanoic acid 8890 River water 2 Sep 2025 – Mar 2026 0.00063 µg/l 11 Mar 2026
Perfluoropentanesulfonic acid 2957 River water 2 Sep 2025 – Mar 2026 below 0.0005 µg/l 11 Mar 2026
Perfluoropentanoic acid 8887 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Perfluorotetradecanoic acid 8895 River water 2 Sep 2025 – Mar 2026 below 0.006 µg/l 11 Mar 2026
Perfluorotridecanoic acid 2955 River water 2 Sep 2025 – Mar 2026 below 0.002 µg/l 11 Mar 2026
Perfluoroundecane sulfonic acid 2953 River water 2 Sep 2025 – Mar 2026 below 0.004 µg/l 11 Mar 2026
Perfluoroundecanoic acid 8893 River water 2 Sep 2025 – Mar 2026 below 0.001 µg/l 11 Mar 2026
Phosphorus, Total as P 0348 River water 33 Oct 2023 – Aug 2026 0.081 mg/l 4 Aug 2026
Potassium, Dissolved 0209 River water 7 Apr 2025 – Aug 2026 2.5 mg/l 4 Aug 2026
Preparation: DNA 5923 River water 3 May 2024 – Oct 2024 Done 2 Oct 2024
Silica, reactive as SiO2 0182 River water 33 Oct 2023 – Aug 2026 4.8 mg/l 4 Aug 2026
Sodium, Dissolved 0205 River water 7 Apr 2025 – Aug 2026 6.8 mg/l 4 Aug 2026
Solids, Suspended at 105 C 0135 River water 33 Oct 2023 – Aug 2026 4 mg/l 4 Aug 2026
Strontium, Filtered 6693 River water 7 Apr 2025 – Aug 2026 86 µg/l 4 Aug 2026
Sulphate, Dissolved as SO4 7859 River water 7 Apr 2025 – Aug 2026 below 10 mg/l 4 Aug 2026
Zinc : BLM Bioavailable 4822 River water 6 Apr 2025 – Aug 2026 1.3 µg/l 4 Aug 2026
Zinc, Dissolved 3408 River water 7 Apr 2025 – Aug 2026 1.8 µg/l 4 Aug 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.