Reducing the risks around inland waterways

Risk Matters - Summer 2021

Many WA local governments have waterways within their area, and must work together with other entities – such as the Department of Water, landowners, and state government agencies – to keep these waterways, and the people who visit them, safe.

Inland waterways pose the greatest drowning risk and include:

  • rivers
  • lakes
  • dams
  • irrigation channels
  • water tanks
  • creeks

The Royal Lifesaving National Drowning report states that last financial year 248 people drowned in Australian waterways – 33 of which were in Western Australia. The report identified that:

  • People are more likely to drown in inland waterways than in pools

  • 51 people drowned in rivers and creeks – and 78 per cent of those deaths were men

  • Men aged 25 to 64 are the most likely to drown

  • These fatalities were usually local to the area, and were either swimming or boating before they drowned

  • People are also more likely to drown in regional or remote locations

  • Most inland drowning deaths occurred in the summer months, on public holidays, school holidays, and on Sundays

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Rivers and creeks continue to be the location with the largest number of drowning deaths, accounting for 21% of all deaths. Swimming pools recorded a 28% decrease compared with the 10-year average, while lakes and dams recorded a 19% increase.

What are the risks?

Shallow water

Shallow water poses a risk as swimmers can dive into shallow water and impact with the floor (particularly if there isn’t adequate signage, or alcohol or drugs are involved). People can also be tempted to jump or dive into water from trees/ other structures, and times of poor visibility can give little indication of water depth.

Crumbling banks/ thick vegetation

Can lead to unexpected falls or prevent swimmers from getting out of the water

Currents/flowing water

Swimmers can be pulled into deep water, dragged under the water, or become snagged on an obstacle.

Flooding

Can change how quickly rivers flow, increase water depth, and can dislodge submerged objects.

Sudden changes in depth

Weak swimmers are unable to support themselves in deeper water and tire quickly. There could also be a steep drop in depth of water, making it difficult for the swimmer to get out of the water or regain their footing.

Pathways/jetties

People can fall into deep water (or shallow water and hit the bottom) from pathways or jetties, or they can make it difficult for swimmers to exit the water.

Submerged objects

Swimmer becomes snagged on an obstacle, or could impact with an obstacle when diving.

Pontoons

Swimmers may dive from the pontoon and hit the bottom or get into difficulty swimming to the pontoon. There is often no signage around pontoons.

Water quality

Contaminated water can have negative health impacts, while murky water can hide the depth, and impede search and rescue efforts.

Activity areas

Children can wander off and fall into the water.

When swimming is allowed at an inland waterway, local government should ensure swimmers can exit the water safely. This may mean steps, ramps or gradual inclines.

If the local government is discouraging swimming, signs should be visible. The physical area can also be modified to restrict access for swimmers using densely planted vegetation, boulders, fencing or walls.

Signs should indicate:

  • shallow water,
  • if diving or jumping from a structure is inappropriate,
  • whether there are submerged rocks or other objects,
  • if the water is untreated, and
  • an idea of unsafe conditions

Bridges, boardwalks and jetties should be designed with edges that prevent pedestrians from tripping or falling into the water.

Playgrounds and barbeque areas ideally should be more than 30 meters from the water. If they are within this distance then fencing should be used to prevent children from accessing the water.

Housing should also be an appropriate distance from waterways.

What can you do?

Local governments are encouraged to have risk assessments done on inland waterways, especially when:

  • The inland waterway has been recently manmade
  • There’s public access to the inland waterway
  • The local government has made improvements to the inland waterway or immediate surroundings

  • The local government has introduced access roads/paths leading to the inland waterway

  • The local government has promoted the waterway (or immediate surroundings) as a place for public recreation

  • The local government had observed increased visitations to the waterway or changes to behaviour patterns

 

LGIS has industry leading expertise in the identification and management of the many risks associated with waterways. We are uniquely placed to be able to provide solutions that meet your complex requirements.

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Reducing the risks around inland waterways

Many WA local governments have waterways within their area, and must work together with other entities – such as the Department of Water, landowners, and state government agencies – to keep these waterways, and the people who visit them, safe.

Read more »

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