Safe Cleaning Methods for Slippery Lakeside Jetties
Algae, damp leaves, bird droppings and accumulated grime can make lakeside jetties dangerously slippery. Around Lake Macquarie, shaded decking and regularly splashed surfaces need particular attention. Effective cleaning should improve grip without damaging the jetty or allowing contaminated wash water to enter the lake.
Check the Jetty Before Cleaning
Inspect decking, fixings, handrails and access points before starting. Loose boards, protruding screws, rot and unstable sections require repair rather than more aggressive cleaning. Keep people away from the work area and choose calm weather with enough daylight for the surface to dry.
Wear slip-resistant footwear, gloves and eye protection. Avoid working alone https://reidoido830.solsticebrief.com/posts/5-questions-to-ask-before-hiring-a-pressure-cleaning-team near an unprotected edge, and use a suitable personal flotation device where there is a risk of falling into the water. Keep electrical equipment and connections away from wet areas.
Use the Gentlest Effective Cleaning Method
- Remove loose debris first. Collect leaves, litter and other solids with a broom or scraper rather than sweeping them into the lake. Lightly dampen bird droppings before removal to reduce airborne dust.
- Scrub manageable sections. Use a stiff nylon-bristled brush and a small amount of water. Work from a stable position, keeping a clear, dry route back to shore wherever possible.
- Choose cleaners carefully. If brushing alone is insufficient, select a product approved by the decking manufacturer and follow its dilution, contact-time and disposal instructions. Never mix cleaning chemicals.
- Control rinse water. Use minimal water and collect loosened material and wash water with suitable containment and wet-vacuum equipment where practicable. Arrange appropriate disposal rather than directing runoff into the lake.
- Check the result. Allow the surface to dry and inspect for remaining slime, damaged fibres or slippery patches before reopening access.
Take Care With Pressure Washing
High-pressure washing can splinter timber, damage coatings and composite surfaces, and dislodge jointing material. It can also spread contaminated spray and make footing less secure. Where the manufacturer permits pressure cleaning, use the lowest effective setting, a wide fan nozzle and the recommended working distance. Test an inconspicuous section first and never direct the jet at people, wildlife or electrical fittings.

Protect Lake Macquarie’s Waterways
“Biodegradable” does not mean safe to discharge into the lake. Detergents, chlorine-based products and algae treatments can harm aquatic life. Avoid applying products where runoff cannot be controlled, and never assume a household cleaner is suitable for over-water use.
Before substantial cleaning, coating or repair work, check relevant conditions with Lake Macquarie City Council and the jetty’s owner or managing authority. Approvals or additional controls may apply, particularly where work affects the structure, lakebed or aquatic vegetation.

Reduce Future Slip Hazards
Inspect the jetty regularly and after storms, removing leaves and early algae growth before heavy buildup develops. Keep drainage gaps clear without pushing debris into the water. If slipperiness persists, consider manufacturer-compatible slip-resistant strips or decking treatments, ensuring they do not create raised trip hazards.
For unstable structures, extensive growth or difficult runoff containment, engage a professional cleaner experienced with waterfront work. Ask how they protect the decking, manage fall risks and prevent polluted wash water from entering Lake Macquarie.
Lake Macquarie Pressure Cleaning Pros
2/396 Pacific Hwy, Belmont North NSW 2280
(02) 4011 6922
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