WWT/Specific Hazards/TBT-WWT-010

Needlestick and Sharps in Sewage

Water & Wastewater TreatmentSpecific HazardsNeedlestick and Sharps in Sewage

Needlestick and Sharps in Sewage

Toolbox Talk Record

Ref: TBT-WWT-010  |  Issue: 1  |  Date: March 2026
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What?

  • Hypodermic needles, razor blades, and broken glass are regularly found in sewage and at treatment works.
  • Needlestick injuries transmit blood-borne viruses including hepatitis B, hepatitis C, and HIV.
  • Sewage screening, rag removal, and manual cleaning tasks carry the highest needlestick risk.
  • Sharps are hidden in rags, wipes, and debris making them invisible during routine handling.
  • Even a small needlestick wound requires immediate first aid and urgent medical assessment.
  • Post-exposure prophylaxis (PEP) for HIV must be started within hours of a needlestick injury.
  • Hepatitis B vaccination is strongly recommended for all workers who may contact sewage or sharps.
  • COSHH 2002 classifies blood-borne pathogens as biological hazards requiring risk assessment and controls.
  • Sharps-resistant gloves provide significantly better protection than standard nitrile or rubber gloves.
  • Sharps disposal containers must be available at every work location where needles may be encountered.

Why?

Blood-borne infectionA single needlestick can transmit hepatitis B, hepatitis C, or HIV. These infections are life-changing and potentially fatal.
Hidden hazardNeedles embedded in rags and debris are invisible until they penetrate gloves and skin during routine handling tasks.
Time-critical treatmentPEP for HIV exposure must begin within 72 hours, ideally within 1 hour. Delays reduce treatment effectiveness.
Do Don't
  • Wear sharps-resistant gloves for all tasks involving sewage debris and screenings.
  • Get vaccinated against hepatitis B if you work with sewage or at treatment works.
  • Report any needlestick injury immediately and seek urgent medical assessment.
  • Use mechanical raking tools rather than hands to clear screens and remove rags.
  • Dispose of found needles in a proper sharps container; never put them in bags.
  • Wash needlestick wounds immediately with soap and water; encourage bleeding.
  • Know where the nearest sharps container and first aid kit are located.
  • Attend occupational health for blood testing after any needlestick incident.
  • Assume all needles found in sewage are contaminated with blood-borne viruses.
  • Brief all workers at treatment works on the needlestick injury reporting procedure.
  • DON'T handle sewage screenings or rags without sharps-resistant gloves.
  • DON'T pick up needles with bare hands or standard nitrile gloves.
  • DON'T put found needles into plastic bags, bins, or general waste containers.
  • DON'T squeeze or suck a needlestick wound; wash with soap and water only.
  • DON'T delay reporting a needlestick injury; PEP treatment is time-critical.
  • DON'T reach into screening baskets, rag bins, or channels with unprotected hands.
  • DON'T decline hepatitis B vaccination if you work with sewage regularly.
  • DON'T assume a small scratch from a needle is harmless; always report it.
  • DON'T recap or bend found needles before placing them in a sharps container.
  • DON'T ignore the occupational health follow-up appointments after a needlestick.

See also: Wastewater Treatment Works Safety Awareness | Inlet Works and Screening Safety

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