Dorchester (Dorset) Flood Risk
Dorchester (Dorset) has a Low flood risk from rivers and the sea , with 0.3% of homes in a Medium or High band. The nearest gauge is 2.2 km away.
Dorchester (Dorset) has 21,171 residents and 11,135 homes. Ranked 2550 of 7,114 in England for rivers and sea flood risk.
What Is The River Level Near Dorchester (Dorset) Right Now?
The nearest gauge is Louds Mill, 2.2 km from the centre of Dorchester (Dorset), at Stinsford. Its typical range is 0.083 m to 0.397 m, and the highest level on record is 0.649 m, reached on 15 February 1995.
No current reading has been published for this gauge.
What Does Dorchester (Dorset)'s Flood Risk Classification Mean?
0.5% of postcodes in Dorchester (Dorset) sit in Flood Zone 3, the planning band for land with a 1% or greater annual chance of river flooding or 0.5% or greater of sea flooding — and the map that draws it deliberately ignores flood defences.
The flood risk band for rivers and the sea is Low , with 0.3% of homes in a Medium or High band. Unlike the Flood Zone, the band counts the defences that are actually in place, which is why the two can describe the same street differently and both be right.
Which Postcode Districts Cover Dorchester (Dorset)?
Each district below is one postcode district that falls inside Dorchester (Dorset). The band is the one shared by most of that district's postcodes, so it describes the district rather than a single street — enter a full postcode in the checker for one address. A district can cover more than one town, and the district pages linked from the checker are keyed to the town that holds most of its postcodes.
| Postcode district | Postcodes here | Rivers and sea band | Surface water addresses |
|---|---|---|---|
| DT1 | 725 | Low | 1,058 |
What Else Is Near Dorchester (Dorset)?
Other places on the River Frome, nearest to Dorchester (Dorset) first.