River Onny at Linley Drive Footbridge

EA name: R. ONNY AT LINLEY DRIVE F/B (also listed as “RIVER WEST ONNY AT LINLEY DRIVE FOOTBRIDGE”)
Environment Agency sampling point MD-19235190 · 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
28 Aug 2026, 11:4334 days ago · time as the Environment Agency records it (UK clock time; the source gives no time zone)
Samples banked
39 since 25 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 333530, 295547As published, to the nearest 1 m. Open in a map
River, by its own name
West Onny
River, by the map
River West OnnyPlaced on the river its name gives, 0 m from the line.
Next gauge downstream
Onibury On the River Onny · 29 km along the river
Why it was sampled
Monitoring (national agency policy) (39 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

100.6%

Sampled 28 Aug 2026, 34 days ago · 27 results banked

95100105110%20242025202611 Apr 2024, 12:15: 104.4%23 May 2024, 14:35: 99.4%27 Jun 2024, 10:28: 99.1%25 Jul 2024, 11:05: 100.3%22 Aug 2024, 10:40: 98.4%24 Sep 2024, 11:11: 99.8%1 Nov 2024, 12:00: 95.9%21 Nov 2024, 11:09: 101.2%18 Dec 2024, 10:27: 100.7%28 Feb 2025, 13:46: 101%27 Mar 2025, 13:28: 106.4%25 Apr 2025, 10:41: 106.3%29 May 2025, 10:31: 97.7%27 Jun 2025, 10:23: 103.1%30 Jul 2025, 10:59: 108.9%30 Sep 2025, 11:45: 102.8%29 Oct 2025, 11:08: 100.5%25 Nov 2025, 10:16: 99.6%18 Dec 2025, 10:57: 100.6%30 Jan 2026, 10:59: 102.1%4 Mar 2026, 10:38: 104%23 Mar 2026, 11:06: 101.3%27 Apr 2026, 11:59: 109.2%18 May 2026, 11:29: 99%30 Jun 2026, 11:50: 105%27 Jul 2026, 11:26: 103.6%28 Aug 2026, 11:43: 100.6%
Every result (27)
SampledResult as publishedReads as
28 Aug 2026, 11:43100.6 100.6%
27 Jul 2026, 11:26103.6 103.6%
30 Jun 2026, 11:50105 105%
18 May 2026, 11:2999 99%
27 Apr 2026, 11:59109.2 109.2%
23 Mar 2026, 11:06101.3 101.3%
4 Mar 2026, 10:38104 104%
30 Jan 2026, 10:59102.1 102.1%
18 Dec 2025, 10:57100.6 100.6%
25 Nov 2025, 10:1699.6 99.6%
29 Oct 2025, 11:08100.5 100.5%
30 Sep 2025, 11:45102.8 102.8%
30 Jul 2025, 10:59108.9 108.9%
27 Jun 2025, 10:23103.1 103.1%
29 May 2025, 10:3197.7 97.7%
25 Apr 2025, 10:41106.3 106.3%
27 Mar 2025, 13:28106.4 106.4%
28 Feb 2025, 13:46101 101%
18 Dec 2024, 10:27100.7 100.7%
21 Nov 2024, 11:09101.2 101.2%
1 Nov 2024, 12:0095.9 95.9%
24 Sep 2024, 11:1199.8 99.8%
22 Aug 2024, 10:4098.4 98.4%
25 Jul 2024, 11:05100.3 100.3%
27 Jun 2024, 10:2899.1 99.1%
23 May 2024, 14:3599.4 99.4%
11 Apr 2024, 12:15104.4 104.4%

Water temperature

code 0076 · °C

15.5 °C

Sampled 28 Aug 2026, 34 days ago · 27 results banked

05101520°C20242025202611 Apr 2024, 12:15: 11.6 °C23 May 2024, 14:35: 11.4 °C27 Jun 2024, 10:28: 15.8 °C25 Jul 2024, 11:05: 15.5 °C22 Aug 2024, 10:40: 14.4 °C24 Sep 2024, 11:11: 12 °C1 Nov 2024, 12:00: 10.2 °C21 Nov 2024, 11:09: 1.8 °C18 Dec 2024, 10:27: 9.6 °C28 Feb 2025, 13:46: 3.5 °C27 Mar 2025, 13:28: 10.9 °C25 Apr 2025, 10:41: 9.5 °C29 May 2025, 10:31: 13.4 °C27 Jun 2025, 10:23: 16.3 °C30 Jul 2025, 10:59: 15.9 °C30 Sep 2025, 11:45: 9.4 °C29 Oct 2025, 11:08: 9.2 °C25 Nov 2025, 10:16: 5.9 °C18 Dec 2025, 10:57: 7.8 °C30 Jan 2026, 10:59: 5.4 °C4 Mar 2026, 10:38: 6.9 °C23 Mar 2026, 11:06: 7 °C27 Apr 2026, 11:59: 13.2 °C18 May 2026, 11:29: 11.3 °C30 Jun 2026, 11:50: 17.1 °C27 Jul 2026, 11:26: 15.4 °C28 Aug 2026, 11:43: 15.5 °C
Every result (27)
SampledResult as publishedReads as
28 Aug 2026, 11:4315.5 15.5 °C
27 Jul 2026, 11:2615.4 15.4 °C
30 Jun 2026, 11:5017.1 17.1 °C
18 May 2026, 11:2911.3 11.3 °C
27 Apr 2026, 11:5913.2 13.2 °C
23 Mar 2026, 11:067 7 °C
4 Mar 2026, 10:386.9 6.9 °C
30 Jan 2026, 10:595.4 5.4 °C
18 Dec 2025, 10:577.8 7.8 °C
25 Nov 2025, 10:165.9 5.9 °C
29 Oct 2025, 11:089.2 9.2 °C
30 Sep 2025, 11:459.4 9.4 °C
30 Jul 2025, 10:5915.9 15.9 °C
27 Jun 2025, 10:2316.3 16.3 °C
29 May 2025, 10:3113.4 13.4 °C
25 Apr 2025, 10:419.5 9.5 °C
27 Mar 2025, 13:2810.9 10.9 °C
28 Feb 2025, 13:463.5 3.5 °C
18 Dec 2024, 10:279.6 9.6 °C
21 Nov 2024, 11:091.8 1.8 °C
1 Nov 2024, 12:0010.2 10.2 °C
24 Sep 2024, 11:1112 12 °C
22 Aug 2024, 10:4014.4 14.4 °C
25 Jul 2024, 11:0515.5 15.5 °C
27 Jun 2024, 10:2815.8 15.8 °C
23 May 2024, 14:3511.4 11.4 °C
11 Apr 2024, 12:1511.6 11.6 °C

pH

code 0061

7.9

Sampled 28 Aug 2026, 34 days ago · 39 results banked

77.257.57.7588.2520242025202625 Oct 2023, 12:10: 7.2327 Oct 2023, 11:28: 7.568 Nov 2023, 14:38: 7.3920 Nov 2023, 12:31: 7.4318 Dec 2023, 12:02: 7.4427 Dec 2023, 12:02: 7.5116 Jan 2024, 12:27: 7.6823 Jan 2024, 08:48: 7.5113 Feb 2024, 11:17: 7.4827 Feb 2024, 11:56: 7.5413 Mar 2024, 11:30: 7.6114 Mar 2024, 09:03: 7.5711 Apr 2024, 12:15: 7.8623 May 2024, 14:35: 7.8527 Jun 2024, 10:28: 7.8225 Jul 2024, 11:05: 7.6322 Aug 2024, 10:40: 7.7824 Sep 2024, 11:11: 7.811 Nov 2024, 12:00: 7.621 Nov 2024, 11:09: 7.718 Dec 2024, 10:27: 7.528 Feb 2025, 13:46: 8.127 Mar 2025, 13:28: 7.925 Apr 2025, 10:41: 8.129 May 2025, 10:31: 7.827 Jun 2025, 10:23: 830 Jul 2025, 10:59: 8.130 Sep 2025, 11:45: 7.929 Oct 2025, 11:08: 7.625 Nov 2025, 10:16: 7.418 Dec 2025, 10:57: 7.230 Jan 2026, 10:59: 7.34 Mar 2026, 10:38: 7.723 Mar 2026, 11:06: 7.627 Apr 2026, 11:59: 818 May 2026, 11:29: 7.930 Jun 2026, 11:50: 827 Jul 2026, 11:26: 828 Aug 2026, 11:43: 7.9
Every result (39)
SampledResult as publishedReads as
28 Aug 2026, 11:437.9 7.9
27 Jul 2026, 11:268 8
30 Jun 2026, 11:508 8
18 May 2026, 11:297.9 7.9
27 Apr 2026, 11:598 8
23 Mar 2026, 11:067.6 7.6
4 Mar 2026, 10:387.7 7.7
30 Jan 2026, 10:597.3 7.3
18 Dec 2025, 10:577.2 7.2
25 Nov 2025, 10:167.4 7.4
29 Oct 2025, 11:087.6 7.6
30 Sep 2025, 11:457.9 7.9
30 Jul 2025, 10:598.1 8.1
27 Jun 2025, 10:238 8
29 May 2025, 10:317.8 7.8
25 Apr 2025, 10:418.1 8.1
27 Mar 2025, 13:287.9 7.9
28 Feb 2025, 13:468.1 8.1
18 Dec 2024, 10:277.5 7.5
21 Nov 2024, 11:097.7 7.7
1 Nov 2024, 12:007.6 7.6
24 Sep 2024, 11:117.81 7.81
22 Aug 2024, 10:407.78 7.78
25 Jul 2024, 11:057.63 7.63
27 Jun 2024, 10:287.82 7.82
23 May 2024, 14:357.85 7.85
11 Apr 2024, 12:157.86 7.86
14 Mar 2024, 09:037.57 7.57
13 Mar 2024, 11:307.61 7.61
27 Feb 2024, 11:567.54 7.54
13 Feb 2024, 11:177.48 7.48
23 Jan 2024, 08:487.51 7.51
16 Jan 2024, 12:277.68 7.68
27 Dec 2023, 12:027.51 7.51
18 Dec 2023, 12:027.44 7.44
20 Nov 2023, 12:317.43 7.43
8 Nov 2023, 14:387.39 7.39
27 Oct 2023, 11:287.56 7.56
25 Oct 2023, 12:107.23 7.23

Conductivity

at 25 °C · code 0077 · µS/cm

284 µS/cm

Sampled 28 Aug 2026, 34 days ago · 27 results banked

100150200250300350µS/cm20242025202611 Apr 2024, 12:15: 135 µS/cm23 May 2024, 14:35: 129 µS/cm27 Jun 2024, 10:28: 190 µS/cm25 Jul 2024, 11:05: 205 µS/cm22 Aug 2024, 10:40: 238 µS/cm24 Sep 2024, 11:11: 162 µS/cm1 Nov 2024, 12:00: 161 µS/cm21 Nov 2024, 11:09: 186 µS/cm18 Dec 2024, 10:27: 152 µS/cm28 Feb 2025, 13:46: 160 µS/cm27 Mar 2025, 13:28: 199 µS/cm25 Apr 2025, 10:41: 223 µS/cm29 May 2025, 10:31: 257 µS/cm27 Jun 2025, 10:23: 277 µS/cm30 Jul 2025, 10:59: 270 µS/cm30 Sep 2025, 11:45: 290 µS/cm29 Oct 2025, 11:08: 225 µS/cm25 Nov 2025, 10:16: 145 µS/cm18 Dec 2025, 10:57: 143 µS/cm30 Jan 2026, 10:59: 130 µS/cm4 Mar 2026, 10:38: 152 µS/cm23 Mar 2026, 11:06: 170 µS/cm27 Apr 2026, 11:59: 220 µS/cm18 May 2026, 11:29: 230 µS/cm30 Jun 2026, 11:50: 273 µS/cm27 Jul 2026, 11:26: 318 µS/cm28 Aug 2026, 11:43: 284 µS/cm
Every result (27)
SampledResult as publishedReads as
28 Aug 2026, 11:43284 284 µS/cm
27 Jul 2026, 11:26318 318 µS/cm
30 Jun 2026, 11:50273 273 µS/cm
18 May 2026, 11:29230 230 µS/cm
27 Apr 2026, 11:59220 220 µS/cm
23 Mar 2026, 11:06170 170 µS/cm
4 Mar 2026, 10:38152 152 µS/cm
30 Jan 2026, 10:59130 130 µS/cm
18 Dec 2025, 10:57143 143 µS/cm
25 Nov 2025, 10:16145 145 µS/cm
29 Oct 2025, 11:08225 225 µS/cm
30 Sep 2025, 11:45290 290 µS/cm
30 Jul 2025, 10:59270 270 µS/cm
27 Jun 2025, 10:23277 277 µS/cm
29 May 2025, 10:31257 257 µS/cm
25 Apr 2025, 10:41223 223 µS/cm
27 Mar 2025, 13:28199 199 µS/cm
28 Feb 2025, 13:46160 160 µS/cm
18 Dec 2024, 10:27152 152 µS/cm
21 Nov 2024, 11:09186 186 µS/cm
1 Nov 2024, 12:00161 161 µS/cm
24 Sep 2024, 11:11162 162 µS/cm
22 Aug 2024, 10:40238 238 µS/cm
25 Jul 2024, 11:05205 205 µS/cm
27 Jun 2024, 10:28190 190 µS/cm
23 May 2024, 14:35129 129 µS/cm
11 Apr 2024, 12:15135 135 µS/cm

Everything measured here

31 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 31 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 27 Apr 2024 – Aug 2026 100.6% 28 Aug 2026
Temperature of Water 0076 River water 27 Apr 2024 – Aug 2026 15.5 °C 28 Aug 2026
pH 0061 River water 39 Oct 2023 – Aug 2026 7.9 28 Aug 2026
Conductivity at 25 C 0077 River water 27 Apr 2024 – Aug 2026 284 µS/cm 28 Aug 2026
Aluminium, Dissolved 6037 River water 11 Oct 2023 – Mar 2024 66 µg/l 14 Mar 2024
Barium, Dissolved 9446 River water 27 Apr 2024 – Aug 2026 84 µg/l 28 Aug 2026
Boron, Dissolved 9447 River water 27 Apr 2024 – Aug 2026 below 100 µg/l 28 Aug 2026
Cadmium 0108 River water 27 Apr 2024 – Aug 2026 0.77 µg/l 28 Aug 2026
Cadmium, Dissolved 0106 River water 38 Oct 2023 – Aug 2026 0.49 µg/l 28 Aug 2026
Calcium, Dissolved 0239 River water 38 Oct 2023 – Aug 2026 25 mg/l 28 Aug 2026
Carbon, Organic, Dissolved as C :- {DOC} 0301 River water 36 Oct 2023 – Aug 2026 7.4 mg/l 28 Aug 2026
Chromium, Dissolved 3409 River water 11 Oct 2023 – Mar 2024 0.5 µg/l 14 Mar 2024
Copper 6452 River water 27 Apr 2024 – Aug 2026 2.5 µg/l 28 Aug 2026
Copper, Dissolved 6450 River water 38 Oct 2023 – Aug 2026 2.1 µg/l 28 Aug 2026
Hardness, Total as CaCO3 0158 River water 38 Oct 2023 – Aug 2026 90.8 mg/l 28 Aug 2026
Iron, Dissolved 6460 River water 27 Apr 2024 – Aug 2026 97 µg/l 28 Aug 2026
Lead 0050 River water 27 Apr 2024 – Aug 2026 20 µg/l 28 Aug 2026
Lead, Dissolved 0052 River water 38 Oct 2023 – Aug 2026 10 µg/l 28 Aug 2026
Lithium, Dissolved 4201 River water 27 Apr 2024 – Aug 2026 below 100 µg/l 28 Aug 2026
Magnesium, Dissolved 0235 River water 38 Oct 2023 – Aug 2026 6.9 mg/l 28 Aug 2026
Manganese, Dissolved 6458 River water 27 Apr 2024 – Aug 2026 17 µg/l 28 Aug 2026
Nickel 6462 River water 27 Apr 2024 – Aug 2026 1.7 µg/l 28 Aug 2026
Nickel, Dissolved 3410 River water 38 Oct 2023 – Aug 2026 1.5 µg/l 28 Aug 2026
pH : In Situ 3169 River water 19 Dec 2024 – Aug 2026 7.74 28 Aug 2026
Potassium, Dissolved 0209 River water 27 Apr 2024 – Aug 2026 3.3 mg/l 28 Aug 2026
Sodium, Dissolved 0205 River water 27 Apr 2024 – Aug 2026 18 mg/l 28 Aug 2026
Solids, Suspended at 105 C 0135 River water 27 Apr 2024 – Aug 2026 4.7 mg/l 28 Aug 2026
Strontium, Filtered 6693 River water 27 Apr 2024 – Aug 2026 79 µg/l 28 Aug 2026
Sulphate, Dissolved as SO4 7859 River water 27 Apr 2024 – Aug 2026 24 mg/l 28 Aug 2026
Zinc 6455 River water 27 Apr 2024 – Aug 2026 36 µg/l 28 Aug 2026
Zinc, Dissolved 3408 River water 38 Oct 2023 – Aug 2026 25 µg/l 28 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.