Environment Agency monitoring station
Harlow Mill
River Stort · Harlow · Stort catchment
EA station reference
5171TH
Live measurement feed
Water level over the last seven days
Readings show measured change at this instrument. A station reading is not a flood warning and, without an official threshold, does not prove that the river is safe or dangerous.
Requesting the latest EA readings…
Station location
Blue point = monitoring instrument, not a reported flood.
Loading map…
About this station
- Monitors
- River Stort
- Catchment
- Stort
- Nearest named place
- Harlow
- EA opening date
- 16 January 1999
- Coordinates
- 51.79540, 0.13418
Nearby designated monitoring areas
Directory areas whose reference point is within approximately 10 km. Proximity does not mean this station controls that area or that a warning is active.
- The River Stort, Stansted Brook and their tributaries from Clavering to Hoddesdon including Stansted Mountfitchet, Bishops Stortford, Sawbridgeworth and HarlowDesignated alert area · EA ref 062WAF51Stort
- The River Stort at Harlow including RoydonDesignated warning area · EA ref 062FWF51Harlow
- The Cripsey Brook including Thornwood Common, North Weald Bassett, Moreton and Chipping OngarDesignated alert area · EA ref 062WAF54Cripsey
- The River Ash in Hertfordshire including Furneux Pelham, Little Hadham, Much Hadham and WaresideDesignated alert area · EA ref 062WAF50AshHerts
- The River Ash at Little Hadham, Hadham Ford, Much Hadham, Widford and WaresideDesignated warning area · EA ref 062FWF50Hadhams
- The Cripsey Brook at Moreton from Weald Bridge to Shelley CommonDesignated warning area · EA ref 062FWF54Moreton
- The River Stort at SawbridgeworthDesignated warning area · EA ref 062FWF51Sawbridg
- The Pincey Brook near SheeringDesignated warning area · EA ref 062FWF51PinceyBk
- The Pincey Brook and its tributaries from Takeley to Harlow including Hatfield Broad Oak, Hatfield Heath and SheeringDesignated alert area · EA ref 062WAF51PinceyBk
- The Canons Brook and its tributaries from Harlow to Parndon Mead including, Great Parndon, Hare Street and Little ParndonDesignated alert area · EA ref 062WAF51CanonsBK
Nearby monitoring stations
Use nearby instruments for context, but do not compare absolute station-datum values as if they shared the same baseline.
- SawbridgeworthRiver Stort2.5 km
- Cheshunt, Windmill LaneSmall River Lee14.9 km
- Chipping OngarCripsey Brook12.0 km
- High OngarRiver Roding12.5 km
- Hertford, Hartham ParkRiver Beane14.7 km
- Stansted Mountfitchet, Gypsy LaneStansted Brook11.6 km
- Harlow, Elizabeth WayCanons Brook4.8 km
- Little HadhamRiver Ash10.3 km
Source and limits: station directory and readings from the Environment Agency under the Open Government Licence v3.0. API readings can be delayed or unavailable. For warnings and emergency advice, use the official GOV.UK flood service.