| Station Reference | 5039TH |
| Parameter | Level |
| Parameter Type | Stage |
| River | River Ash |
| Catchment Name | Ash (Herts) |
| Status | Active |
| Highest Recent Level | 1.95 m on 07-Feb-14 |
| Max Level on Record | 1.97 m on 21-Oct-01 |
| Min Level on Record | -0.17 m on 18-Aug-07 |
| Typical Level Range High | 0.82 m |
| Typical Level Range Low | -0.1 m |