雨水网络

Rain's too valuable to go down the drain\r\n

Managed properly, stormwater is a valuable resource that can enhance cities' liveability, sustainability and resilience. We do it by working with local government authorities (LGAs) to improve the health of our waterways, provide opportunities for stormwater reuse and protect people and properties from flooding. So how do we manage stormwater, and how do we redirect it?

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雨太有价值了,无法下水

经过适当的管理,雨水是一种宝贵的资源,可以增强城市的宜居性,可持续性和韧性。我们通过与地方政府当局(LGA)合作来改善水道的健康,为雨水再利用和保护人和财产免于洪水。那么,我们如何管理雨水,如何重定向?


Our stormwater system
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Urban environments are packed with hard surfaces such as roofs, roads and footpaths that prevent rain from soaking into the ground. Stormwater is the water that flows on those surfaces after rain. Often it flows from property drains to street gutters operated by local councils, and these may connect to our large channels, pipes and creeks. This is what forms the stormwater drainage system.

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Our stormwater network provides services to about 634,530 properties. It consists of:
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  • 73 catchments
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  • 457 kilometres of channels and pipes
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  • over 70 stormwater quality improvement devices.
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Are you in one of our stormwater catchment areas?

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我们的雨水系统

城市环境充满了坚硬的表面,例如屋顶,道路和人行道,以防止雨水浸入地面。雨水是雨后在这些表面上流动的水。通常,它从地方议会运营的街道排水沟流到街道水沟,它们可能连接到我们的大型频道,管道和小溪。这就是形成的雨水排水系统

我们的雨水网络为大约634,530个物业提供服务。它包括:

  • 73个集水区
  • 457公里的通道和管道
  • 超过70种雨水质量改进设备。

您在我们的雨水集水区之一吗?

We also manage flood-prone areas and trunk drainage in the Rouse Hill area. Find out more about:

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我们还管理着易洪水区域的洪水山区域和躯干排水。了解更多有关:


Stormwater safety\r\n

Only authorised maintenance crews can safely enter our stormwater system, which includes open channels, drains and underground tunnels. These are dangerous because:

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  • water can rise quickly and unexpectedly, even when it’s not raining in the immediate area
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  • flowing water is powerful and can knock people over, even when it's shallow
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  • stormwater contains pollutants, including dangerous chemicals and disease-causing bacteria. 
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雨水安全

只有授权的维护人员才能安全进入我们的雨水系统,其中包括开放的频道,排水管和地下隧道。这些很危险,因为:

  • 水可能会迅速而出乎意料地上升,即使在附近地区不下雨
  • 流水很强大,即使是浅的,也可以撞倒人们
  • 雨水含有污染物,包括危险的化学物质和引起疾病的细菌。

报告未经授权的访问雨水系统
如果您看到任何人进入雨水排水管,通道,隧道或维护孔,请致电我们13 20 90,24/7。我们将保留您的联系方式机密,您可能会防止事故或死亡。我们将调查所有进入雨水系统的报告,并将其转介给警察或其他当局。


Flooding in Greater Sydney\r\n

Heavy or prolonged rain can cause creeks and coastal rivers to rise quickly. It can take only minutes for waterways to pose a major flood hazard. Fast-moving floodwaters in populated areas are a serious risk to life and property.

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Flash floods are the most dangerous type of flood, and result from short, extremely intense bursts of rain. They often occur in heavily populated areas with little or no warning. In contrast, rivers in western NSW generally flood slowly, usually taking weeks and months to fully develop. This can lead to major property damage and isolation of entire communities. Floods are Australia’s most costly and predictable natural disaster.

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This difference in speed and duration of flooding is caused by:

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  • soil type
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  • storm length and intensity
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  • topography (or landscape)
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  • land use and development (hard surfaces increase run-off speed in urban areas).
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We help prevent flooding in many ways.

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大悉尼的洪水

大雨或长时间的降雨会导致小溪和沿海河流迅速上升。水道只需几分钟即可构成重大洪水危险。人口稠密地区的快速移动洪水是生命和财产的严重风险。

山洪泛滥是最危险的洪水类型,是由短而极端的雨水造成的。它们通常发生在人口稠密的地区,几乎没有警告。相比之下,新南威尔士州西部的河流通常泛滥,通常需要数周和几个月才能充分发展。这可能会导致整个社区的重大财产损失和隔离。洪水是澳大利亚最昂贵,最可预测的自然灾害。

洪水的速度和持续时间的差异是由:

  • 土壤类型
  • 风暴长度和强度
  • 地形(或景观)
  • 土地使用和开发(硬表面增加了城市地区的径流速度)。

我们有助于以多种方式防止洪水。

Our stormwater assets are located across 23 LGAs in Greater Sydney, and we work closely with these LGAs to reduce the impact of flooding on the community. We also offer our expertise in stormwater catchments outside our areas of responsibility.
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Protecting stormwater assets

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We protect our stormwater assets so they work as intended. We regularly check the structure and operation of our assets and maintain or renew them. This is a key part of how we manage flooding.

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Assessing development applications

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Sydney Water assesses all development applications near our stormwater assets. Sometimes proposed developments can be impacted by flooding or make flood risk worse for others. If this happens, the developer needs to propose alternative designs and consult with LGAs and Sydney Water.

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Participating in Floodplain Risk Management Committees

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We participate in Floodplain Risk Management Committees with local councils, communities and other agencies, outlined in the NSW Government Floodplain Development Manual. These committees oversee the preparation of:

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  • flood study to identify and quantify local flooding
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  • floodplain risk management study to assess the options to address flooding
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  • floodplain risk management plan to prioritise measures that will reduce flooding.
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Collaborating with LGAs in Greater Sydney

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We play an active role in the stormwater industry, and participate in many council and community events to address flooding. We contribute by sharing our knowledge, offering advice and discussing proposed modifications to the stormwater system.

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我们的雨水资产位于大悉尼的23个LGA中,我们与这些LGA紧密合作,以减少洪水对社区的影响。我们还在责任领域以外的雨水集水集中提供了专业知识。

保护雨水资产

我们保护我们的雨水资产,因此它们按预期工作。我们定期检查资产的结构和运营,并维护或续订它们。这是我们管理洪水的关键部分。

评估开发应用

悉尼水评估了我们雨水资产附近的所有开发应用。有时,提议的发展可能会受到洪水的影响或使其他人的洪水风险恶化。如果发生这种情况,开发人员需要提出替代设计并咨询LGA和Sydney Water。

参加洪泛区风险管理委员会

我们参加了新南威尔士州政府概述的地方议会,社区和其他机构的洪泛区风险管理委员会洪泛区开发手册。这些委员会监督了:

  • 洪水研究以识别和量化当地洪水
  • 洪泛区风险管理研究以评估解决洪水的选择
  • 洪泛区风险管理计划优先考虑减少洪水的措施。

与大悉尼的LGA合作

我们在雨水行业中发挥积极作用,并参加许多理事会和社区活动以解决洪水。我们通过分享我们的知识,提供建议并讨论对雨水系统的建议修改做出贡献。


Stormwater quality\r\n

Stormwater can carry pollution like litter, sediment, grease, oil and metals that are picked up from roads and properties. This pollution affects the quality of our local waterways. We've installed over 70 stormwater quality improvement devices (SQIDs) to help clean stormwater. These include trash racks, sediment traps and litter booms.
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If you're connecting to our stormwater pipes or developing your property, you must meet our stormwater quality targets.

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雨水质量

雨水可以携带垃圾,沉积物,油脂,石油和金属等污染,这些污染物从道路和物业中捡起。这种污染会影响我们当地水道的质量。我们已经安装了70多种雨水质量改进设备(SQID),以帮助清洁雨水。这些包括垃圾架,沉积物陷阱和垃圾臂。

如果您要连接到我们的雨水管道或开发财产,则必须满足我们的雨水质量目标


Stormwater harvesting\r\n

Stormwater harvesting is the practice of collecting, storing and treating stormwater from urban areas. It's collected from stormwater drains or creeks, rather than roofs, and treated so it’s safe to use as recycled water. Then, it's commonly used to water public parks, gardens, sports fields and golf courses.

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Benefits of stormwater harvesting are that it:

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  • reduces the demand for drinking water by replacing it with recycled water produced from stormwater harvesting
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  • reduces stress on urban streams and rivers by capturing some of the pollutants and nutrients that would otherwise enter waterways from stormwater flows
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  • enables users to access an alternative source of water for non-drinking use
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  • increases opportunities for sustainable water management, which is an important consideration in water-sensitive urban design (WSUD) (553KB).
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雨水收集

雨水收集是从市区收集,存储和处理雨水的做法。它是从雨水排水管或小溪中收集的,而不是屋顶,因此可以安全地用作再生水。然后,它通常用于浇水公园,,,,花园,,,,运动场高尔夫球场

雨水收获的好处是:

  • 通过用雨水收集产生的再生水代替饮用水的需求来减少对饮用水的需求
  • 通过捕获一些污染物和营养物质来减轻城市溪流和河流的压力
  • 使用户能够访问替代水源以供非饮用
  • 增加可持续水管理的机会,这是水敏感城市设计(WSUD)(553KB)

您可能需要调查建立自己的雨水收获计划。

We work with local councils and other agencies to manage stormwater and investigate opportunities for stormwater's collection and reuse. It's one of the many ways the NSW Government is securing Sydney’s water supply for a growing population.

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There's a lot of advice and assistance available if you want to set up your stormwater harvesting scheme from our stormwater system. Find out more about what you need to do from our fact sheet, Stormwater harvesting (1.5MB). You can also review our Stormwater Harvesting and Re-use Agreement (357KB).

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我们与地方议会和其他机构合作管理雨水,并调查雨水收集和再利用的机会。这是新南威尔士州政府为不断增长的人口确保悉尼供水的众多方式之一。

如果您想从我们的雨水系统中建立雨水收获计划,就有很多建议和帮助。了解更多有关您需要从我们的情况说明书做什么的信息,雨水收获(1.5MB)。您也可以查看我们的雨水收获和再使用协议(357KB)


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