One worker died and 16 suffered major injuries during workplace incidents in the Maldon district in the last financial year.
The figures from the Health and Safety Executive for 2012/13 compare to 21 major injuries and no fatalities in 2011/12.
Across Essex, four people died and 558 were hurt in 2012/13.
High-risk industries include construction, agriculture, manufacturing, waste and recycling.
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