Hertfordshire has 51 gauges on this page. 12 are reading below normal for the date and 3 above. The balance is tilted firmly towards low water.
The main rivers covered are the River Stort, River Beane, River Ash and River Lee. Autumn is often a low point for rivers after the summer, until steady rain returns.
| Gauge | Level | Compared with normal | 24 hours | Updated |
|---|---|---|---|---|
| Bishops Stortford, Grange PaddocksRiver gauge, River Stort | −0.26 m | Lowest on record | ±0 | 2 hours ago |
| BuntingfordRiver gauge, River Rib | 0.05 m | Lowest on record | ±0 | 2 hours ago |
| Cheshunt, Trinity LaneRiver gauge, Theobalds Brook | 0.33 m | Lowest on record | +0.07 m | 2 hours ago |
| Gadebridge ParkRiver gauge, River Gade | 0.10 m | Lowest on record | +0.01 m | 1 hour ago |
| Cheshunt, Rosedale WayRiver gauge, Rags Brook | 0.78 m | Very low | +0.01 m | 2 hours ago |
| Dane EndRiver gauge, River Beane | 0.89 m | Very high | +0.02 m | 2 hours ago |
| Furneux PelhamRiver gauge, River Ash | 0.13 m | Very low | +0.08 m | 2 hours ago |
| HarpendenRiver gauge, River Lee | 0.76 m | Very low | +0.03 m | 2 hours ago |
| Hemel Hempstead, Two Waters RoadRiver gauge, River Bulbourne | 0.21 m | Very low | −0.05 m | 2 hours ago |
| MarkyateRiver gauge, River Ver | −0.04 m | Very low | ±0 | 4 hours ago |
| North MymmsRiver gauge, Mimmshall Brook | 0.36 m | Very high | ±0 | 2 hours ago |
| Hemel Hempstead, Old Fishery LaneRiver gauge, River Bulbourne | 0.64 m | Low | +0.02 m | 2 hours ago |
| Hertford, Hartham ParkRiver gauge, River Beane | 0.21 m | High | +0.04 m | 2 hours ago |
| SawbridgeworthRiver gauge, River Stort | 1.11 m | Low | +0.03 m | 2 hours ago |
| WaterhallRiver gauge, River Lee | 0.12 m | Low | +0.01 m | 2 hours ago |
| BorehamwoodRiver gauge, Borehamwood Brook | 0.92 m | Normal | +0.03 m | 2 hours ago |
| Bragbury ParkRiver gauge, Stevenage Brook | 0.08 m | Normal | +0.04 m | 2 hours ago |
| BraughingRiver gauge, River Quin | 0.09 m | Normal | ±0 | 1 hour ago |
| Cheshunt, Windmill LaneRiver gauge, Small River Lee | 0.50 m | Normal | +0.07 m | 2 hours ago |
| Colney StreetRiver gauge, River Ver | 0.15 m | Normal | +0.01 m | 2 hours ago |
| Croxley GreenRiver gauge, River Gade | 0.09 m | Normal | +0.02 m | 2 hours ago |
| Fulling MillRiver gauge, River Mimram | 0.07 m | Normal | +0.01 m | 2 hours ago |
| Harlow MillRiver gauge, River Stort | 0.93 m | Normal | +0.02 m | 2 hours ago |
| Harlow, Elizabeth WayRiver gauge, Canons Brook | 0.06 m | Normal | +0.01 m | 2 hours ago |
| Hoddesdon, Rye BridgeRiver gauge, River Lee | 2.84 m | Normal | ±0 | 2 hours ago |
| Little HadhamRiver gauge, River Ash | 0.02 m | Normal | ±0 | 2 hours ago |
| London ColneyRiver gauge, River Colne | 1.09 m | Normal | ±0 | 1 hour ago |
| MardockRiver gauge, River Ash | 0.10 m | Normal | ±0 | 2 hours ago |
| Mimmshall BrookRiver gauge | 0.26 m | Normal | +0.01 m | 2 hours ago |
| Moor LaneRiver gauge, River Colne | 7.46 m | Normal | +0.01 m | 3 days ago |
| PanshangerRiver gauge, River Mimram | 0.42 m | Normal | +0.01 m | 2 hours ago |
| Pishiobury BrookRiver gauge | 0.95 m | Normal | +0.01 m | 2 hours ago |
| RadlettRiver gauge, Radlett Brook | 0.38 m | Normal | +0.01 m | 2 hours ago |
| RedbournRiver gauge, River Red | 0.02 m | Normal | +0.32 m | 2 hours ago |
| RedbournRiver gauge, River Ver | 0.04 m | Normal | ±0 | 2 hours ago |
| RickmansworthRiver gauge, River Chess | 0.09 m | Normal | +0.01 m | 2 hours ago |
| Roydon, Glen FabaRiver gauge, River Stort | 1.43 m | Normal | ±0 | 2 hours ago |
| Tumbling Bay WeirRiver gauge, Amwell Loop | 30.42 m | Normal | +0.04 m | 2 hours ago |
| WadesmillRiver gauge, River Rib | 0.19 m | Normal | ±0 | 2 hours ago |
| WalkernRiver gauge, River Beane | 0.09 m | Normal | +0.01 m | 2 hours ago |
| WatfordRiver gauge, River Colne | 0.18 m | Normal | ±0 | 2 hours ago |
| WhitwellRiver gauge, River Mimram | 0.05 m | Normal | ±0 | 2 hours ago |
| David Stoker Radial GatesRiver gauge | 0.04 m | No reference yet | −0.01 m | 2 hours ago |
| Feildes WeirRiver gauge | 27.78 m | No reference yet | ±0 | 2 hours ago |
| Kiora Radial GatesRiver gauge | 22.66 m | No reference yet | −0.03 m | 2 hours ago |
| Markyate FSARiver gauge | 5.13 m | No reference yet | ±0 | 2 hours ago |
| Meadgate SluicesRiver gauge | 0.02 m | No reference yet | +0.01 m | 2 hours ago |
| Rammey Marsh SluicesRiver gauge | 17.73 m | No reference yet | +0.02 m | 1 hour ago |
| Richard White Radial GatesRiver gauge | 0.09 m | No reference yet | ±0 | 2 hours ago |
| River Lee at Feildes Weir (Gauged)River gauge | 0.10 m | No reference yet | ±0 | 2 hours ago |
| Rye Meads Effluent at Rye MeadsRiver gauge | 0.25 m | No reference yet | +0.02 m | 2 hours ago |
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