Cerne at Kettle Bridge

EA name: CERNE AT KETTLE BRIDGE
Environment Agency sampling point SW-RTN0044 · 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
16 Jan 2026, 11:028 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 30 Sep 2026 and had nothing newer.
Samples banked
10 since 26 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 366410, 101463As published, to the nearest 1 m. Open in a map
River, by its own name
Cerne
River, by the map
River CernePlaced on the river its name gives, 6 m from the line.
Next gauge downstream
Louds Mill On the River Frome · 15 km along the river
Why it was sampled
Monitoring (national agency policy) (10 samples)

Main measurements, river water

Dissolved oxygen

% saturation · code 9901 · %

88.9%

Sampled 16 Jan 2026, 8 months ago · 10 results banked

8090100110%20242025202626 Oct 2023, 09:41: 92.3%9 Jan 2024, 11:01: 96.8%8 Apr 2024, 11:35: 96.7%23 Jul 2024, 11:50: 101.4%3 Oct 2024, 12:16: 99.1%2 Jan 2025, 10:41: 96.2%4 Apr 2025, 12:02: 109.2%25 Jul 2025, 10:17: 94.1%2 Oct 2025, 09:11: 95.7%16 Jan 2026, 11:02: 88.9%
Every result (10)
SampledResult as publishedReads as
16 Jan 2026, 11:0288.9 88.9%
2 Oct 2025, 09:1195.7 95.7%
25 Jul 2025, 10:1794.1 94.1%
4 Apr 2025, 12:02109.2 109.2%
2 Jan 2025, 10:4196.2 96.2%
3 Oct 2024, 12:1699.1 99.1%
23 Jul 2024, 11:50101.4 101.4%
8 Apr 2024, 11:3596.7 96.7%
9 Jan 2024, 11:0196.8 96.8%
26 Oct 2023, 09:4192.3 92.3%

Dissolved oxygen

as O2 · code 9924 · mg/l

10.5 mg/l

Sampled 16 Jan 2026, 8 months ago · 10 results banked

9101112mg/l20242025202626 Oct 2023, 09:41: 10.2 mg/l9 Jan 2024, 11:01: 11.9 mg/l8 Apr 2024, 11:35: 10.5 mg/l23 Jul 2024, 11:50: 9.77 mg/l3 Oct 2024, 12:16: 10.8 mg/l2 Jan 2025, 10:41: 11.5 mg/l4 Apr 2025, 12:02: 11.6 mg/l25 Jul 2025, 10:17: 9.2 mg/l2 Oct 2025, 09:11: 10.5 mg/l16 Jan 2026, 11:02: 10.5 mg/l
Every result (10)
SampledResult as publishedReads as
16 Jan 2026, 11:0210.5 10.5 mg/l
2 Oct 2025, 09:1110.5 10.5 mg/l
25 Jul 2025, 10:179.2 9.2 mg/l
4 Apr 2025, 12:0211.6 11.6 mg/l
2 Jan 2025, 10:4111.5 11.5 mg/l
3 Oct 2024, 12:1610.8 10.8 mg/l
23 Jul 2024, 11:509.77 9.77 mg/l
8 Apr 2024, 11:3510.5 10.5 mg/l
9 Jan 2024, 11:0111.9 11.9 mg/l
26 Oct 2023, 09:4110.2 10.2 mg/l

Water temperature

code 0076 · °C

8 °C

Sampled 16 Jan 2026, 8 months ago · 10 results banked

5101520°C20242025202626 Oct 2023, 09:41: 10.9 °C9 Jan 2024, 11:01: 6.6 °C8 Apr 2024, 11:35: 11.7 °C23 Jul 2024, 11:50: 17 °C3 Oct 2024, 12:16: 11.5 °C2 Jan 2025, 10:41: 7.5 °C4 Apr 2025, 12:02: 12.5 °C25 Jul 2025, 10:17: 16.3 °C2 Oct 2025, 09:11: 11.2 °C16 Jan 2026, 11:02: 8 °C
Every result (10)
SampledResult as publishedReads as
16 Jan 2026, 11:028 8 °C
2 Oct 2025, 09:1111.2 11.2 °C
25 Jul 2025, 10:1716.3 16.3 °C
4 Apr 2025, 12:0212.5 12.5 °C
2 Jan 2025, 10:417.5 7.5 °C
3 Oct 2024, 12:1611.5 11.5 °C
23 Jul 2024, 11:5017 17 °C
8 Apr 2024, 11:3511.7 11.7 °C
9 Jan 2024, 11:016.6 6.6 °C
26 Oct 2023, 09:4110.9 10.9 °C

pH

code 0061

8.06

Sampled 16 Jan 2026, 8 months ago · 10 results banked

7.888.28.420242025202626 Oct 2023, 09:41: 7.849 Jan 2024, 11:01: 7.948 Apr 2024, 11:35: 8.0223 Jul 2024, 11:50: 8.143 Oct 2024, 12:16: 8.132 Jan 2025, 10:41: 8.064 Apr 2025, 12:02: 8.2625 Jul 2025, 10:17: 8.122 Oct 2025, 09:11: 8.1216 Jan 2026, 11:02: 8.06
Every result (10)
SampledResult as publishedReads as
16 Jan 2026, 11:028.06 8.06
2 Oct 2025, 09:118.12 8.12
25 Jul 2025, 10:178.12 8.12
4 Apr 2025, 12:028.26 8.26
2 Jan 2025, 10:418.06 8.06
3 Oct 2024, 12:168.13 8.13
23 Jul 2024, 11:508.14 8.14
8 Apr 2024, 11:358.02 8.02
9 Jan 2024, 11:017.94 7.94
26 Oct 2023, 09:417.84 7.84

Conductivity

at 25 °C · code 0077 · µS/cm

494 µS/cm

Sampled 16 Jan 2026, 8 months ago · 10 results banked

475500525550575600µS/cm20242025202626 Oct 2023, 09:41: 518 µS/cm9 Jan 2024, 11:01: 568 µS/cm8 Apr 2024, 11:35: 546 µS/cm23 Jul 2024, 11:50: 576 µS/cm3 Oct 2024, 12:16: 551 µS/cm2 Jan 2025, 10:41: 550 µS/cm4 Apr 2025, 12:02: 543 µS/cm25 Jul 2025, 10:17: 554 µS/cm2 Oct 2025, 09:11: 556 µS/cm16 Jan 2026, 11:02: 494 µS/cm
Every result (10)
SampledResult as publishedReads as
16 Jan 2026, 11:02494 494 µS/cm
2 Oct 2025, 09:11556 556 µS/cm
25 Jul 2025, 10:17554 554 µS/cm
4 Apr 2025, 12:02543 543 µS/cm
2 Jan 2025, 10:41550 550 µS/cm
3 Oct 2024, 12:16551 551 µS/cm
23 Jul 2024, 11:50576 576 µS/cm
8 Apr 2024, 11:35546 546 µS/cm
9 Jan 2024, 11:01568 568 µS/cm
26 Oct 2023, 09:41518 518 µS/cm

Everything measured here

5 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 5 rows
DeterminandMaterialResults First – lastLatest result
Oxygen, Dissolved, % Saturation 9901 River water 10 Oct 2023 – Jan 2026 88.9% 16 Jan 2026
Oxygen, Dissolved as O2 9924 River water 10 Oct 2023 – Jan 2026 10.5 mg/l 16 Jan 2026
Temperature of Water 0076 River water 10 Oct 2023 – Jan 2026 8 °C 16 Jan 2026
pH 0061 River water 10 Oct 2023 – Jan 2026 8.06 16 Jan 2026
Conductivity at 25 C 0077 River water 10 Oct 2023 – Jan 2026 494 µS/cm 16 Jan 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.