Environment Agency monitoring station
Mardock
River Ash · Wareside · Ash (Herts) catchment
EA station reference
5080TH
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.
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Station location
Blue point = monitoring instrument, not a reported flood.
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About this station
- Monitors
- River Ash
- Catchment
- Ash (Herts)
- Nearest named place
- Wareside
- EA opening date
- 1 January 1981
- Coordinates
- 51.81482, 0.02030
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.
- River Lee at Hertford and Ware including Stanstead AbbottsDesignated warning area · EA ref 062FWF46Hertford
- River Lee at Hertford including Lemsford, Hatfield, Ware and Stanstead AbbottsDesignated alert area · EA ref 062WAF46MidLee
- 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 River Ash in Hertfordshire including Furneux Pelham, Little Hadham, Much Hadham and WaresideDesignated alert area · EA ref 062WAF50AshHerts
- The Nazeing Brook at Lower NazeingDesignated warning area · EA ref 062FWF53Nazeing
- The River Ash at Little Hadham, Hadham Ford, Much Hadham, Widford and WaresideDesignated warning area · EA ref 062FWF50Hadhams
- The River Rib at Wadesmill to HertfordDesignated warning area · EA ref 062FWF49Wadesmil
- The River Stort at SawbridgeworthDesignated warning area · EA ref 062FWF51Sawbridg
- The River Beane at HertfordDesignated warning area · EA ref 062FWF48BeanHert
Nearby monitoring stations
Use nearby instruments for context, but do not compare absolute station-datum values as if they shared the same baseline.
- Bragbury ParkStevenage Brook13.4 km
- SawbridgeworthRiver Stort9.5 km
- Waltham Abbey, Sewardstone RoadCobbins Brook14.9 km
- Cheshunt, Trinity LaneTheobalds Brook14.1 km
- Cheshunt, Windmill LaneSmall River Lee12.8 km
- Furneux PelhamRiver Ash13.6 km
- Hertford, Hartham ParkRiver Beane7.0 km
- Watton at StoneRiver Beane10.8 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.