← All Flood Warning Areas

Tributaries on the Upper River Thames above Cricklade

Flagham Brook, The Swill Brook, The Hankerton Brook, The Hykemeres Stream, The Derry Brook and The River Key

Flood alert area Flagham Brook, Swill Brook, Hankerton Brook, Hykemeres Stream, Derry Brook, River Key Gloucestershire, Wiltshire Thames

Map

Nearby Monitoring Stations

Purton Stoke in this area

River Key • Purton Stoke • 0.4 km (downstream)

Steady · normal

Oaksey in this area

Swill Brook • Oaksey • 9.4 km (downstream)

structure gauge

River Thames • Cricklade • 3.3 km

structure gauge

River Ray • Cricklade • 4.2 km

Rising · normal — Peaked 0.97 at 08:15, now 0.88 and rising again (0.03 m/h)

Sheeppen Bridge

Ampney Brook • Latton • 4.5 km

structure gauge

River Churn • Cerney Wick • 5.5 km

structure gauge

River Ray • Haydon Wick • 6.4 km

Easing · normal — Easing — down from 0.19 at 12:15, now 0.17

Whetstone Bridge

Marston Meysey Brook • Marston Meysey • 6.8 km

structure gauge

River Churn • South Cerney • 7.6 km

Steady · normal

Somerford Keynes

River Thames • Somerford Keynes • 7.8 km

Steady · normal

Flood Event History (50)

9 Feb 2026 at 9:20am Flood Alert

21 Jan 2026 at 3:59pm Flood Alert

16 Dec 2025 at 7:05pm Flood Alert

9 Dec 2025 at 7:12pm Flood Alert

13 Nov 2025 at 7:13pm Flood Alert

11 Nov 2025 at 6:00pm Flood Alert

24 Feb 2025 at 1:01pm Flood Alert

26 Jan 2025 at 7:03pm Flood Alert

5 Jan 2025 at 8:34pm Flood Alert

6 Dec 2024 at 10:03am Flood Alert

23 Nov 2024 at 7:05pm Flood Alert

20 Oct 2024 at 8:48am Flood Alert

8 Oct 2024 at 8:16pm Flood Alert

27 Sep 2024 at 7:19pm Flood Alert

24 Sep 2024 at 7:15am Flood Alert

27 Mar 2024 at 7:58pm Flood Alert

2 Mar 2024 at 4:22pm Flood Alert

18 Feb 2024 at 7:51am Flood Alert

7 Feb 2024 at 9:51am Flood Alert

22 Jan 2024 at 10:22am Flood Alert

30 Dec 2023 at 6:20pm Flood Alert

4 Dec 2023 at 5:05pm Flood Alert

10 Nov 2023 at 1:57pm Flood Alert

29 Oct 2023 at 4:57pm Flood Alert

19 Oct 2023 at 6:27pm Flood Alert

31 Mar 2023 at 10:30pm Flood Alert

12 Jan 2023 at 3:49am Flood Alert

7 Jan 2023 at 8:10pm Flood Alert

1 Jan 2023 at 12:51am Flood Alert

31 Oct 2021 at 9:38pm Flood Alert

30 Jan 2021 at 5:27pm Flood Alert

21 Jan 2021 at 9:47am Flood Alert

28 Feb 2020 at 8:00pm Flood Alert

15 Feb 2020 at 2:55pm Flood Alert

14 Jan 2020 at 9:40pm Flood Alert

19 Dec 2019 at 8:38pm Flood Alert

13 Dec 2019 at 8:55am Flood Alert

3 Nov 2019 at 9:06am Flood Alert

27 Oct 2019 at 12:10pm Flood Alert

13 Oct 2019 at 6:22pm Flood Alert

26 May 2018 at 8:15pm Flood Alert

30 Mar 2018 at 7:12pm Flood Alert

21 Jan 2018 at 10:05pm Flood Alert

3 Jan 2018 at 11:55am Flood Alert

26 Dec 2017 at 10:12pm Flood Alert

11 May 2016 at 8:19pm Flood Alert

28 Mar 2016 at 12:10pm Flood Alert

9 Mar 2016 at 11:21am Flood Alert

6 Feb 2016 at 6:54pm Flood Alert

31 Dec 2015 at 10:49am Flood Alert

Related Flood Areas

Official sources for this area

This area on the Environment Agency’s flood service →
Floodline quick dial: 171206 — call 0345 988 1188 and give that code for a recorded update on this area.
Area code: 061WAF23UpThTrbs

Live warnings and area boundaries are the Environment Agency’s and the EA is the authority on them. Contains public sector information licensed under the Open Government Licence v3.0. This area in the EA’s own data.