Gauge / Alert	1	2	3	4
Frilsham	44	48	59	62
Bucklebury	55	65	72	80
Tidmarsh	145	156	170	190
Pangbourne	75	78	110	140
Sulham	30	40	75	106

Values are in cm

Alert	Definition	Action
1	River levels are rising	Monitoring and Forecasting Duty Officer starts monitoring
2	River levels are at bankfull	Flood Alerts issued (for whole length of the river) if forecast is for this level to be exceeded.
3	River levels are getting near to flood warning	Consider issuing a Flood Warning (for just the Warning Area associated with the relevant gauge)
4	River level is at property level (first to Flood in Warning Area)	Flood Warning issued (for just the Warning Area associated with the relevant gauge) if forecast is for this level to be exceeded.

Notes:

• Figures have been rounded to the nearest metre (observations 2000-2014).
• Saltbox OBH is located north of Compton where the River Roden rises.
• Ridgeway Down, Gibbet Cottages and Hodcott are nearer the source of the River Pang.
• Data provided by a resident of Compton (not the EA).
• EA Groundwater Situation Report