A man plunged 20 foot into a brook, with emergency services having to rescue him.
Two fire engines were despatched to aid the man, who fell from a fence into the water in May Avenue, Canvey.
Water rescue crews from Leigh and a rope rescue unit from the Urban Search and Rescue Team were also mobilised.
Emergency services were called at 2.30pm today and the incident was dealt with 15 minutes later.
The man was left in the care of the ambulance service.