臺北市的下水道是互通的，而各個地區的下水道最後匯總在一起。。連接到抽水站的前池，也就是說日常水溝蓋里的污水和零散垃圾最後都會統一流到抽水站裡面，而抽水站內部的髒污過濾機器把垃圾和髒汙過濾掉以後，在用抽水機把水從前池抽到河川中，定期排放城市內累積的汙水。這也是為甚麼大多數的抽水站都建立在河濱公園。而抽水站除了抽水的功能以外，還有排水和擋水的功能。當前池的水沒有爆滿，抽水站會開啟重力門閥江水自然排出，而在下雨天河川水位變高時則會把閥門關上，阻止河水倒灌進市區。而在河水水位過高無法用重力方法自動排水時，抽水機才會運作，及時把水排到河川中。除了最基本的抽水排水功能以外，抽水站還有排汙的設施，把下水道內的髒污都大略清洗乾淨。但久而久之下水道還是會因為累積抽水站無法排除的髒污而堵塞，這時就會有人定期去清理下水道避免塞住。另外還有擋水的重要功能，在颱風天等河川水位暴漲的時候避免了河水從下水道倒灌進市區的情況發生。

抽水站的分布與災害應對

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Continue storytelling with ArcGIS StoryMaps and keep your content. Request that Esri migrate your account to ArcGIS Online by May 31, 2025, and complete migration by June 30, 2025.

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To complete the migration of your StoryMaps.com account to ArcGIS Online, review and accept the Esri Master Agreement and Privacy Policy before June 30, 2025. For more information on migrating to ArcGIS Online, visit the <link>StoryMaps.com retirement page</link>.

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After one year, you will need to purchase an ArcGIS Online subscription to continue using ArcGIS StoryMaps. Check out the StoryMaps <link>retirement page</link> for more information on the ArcGIS Online subscription options.

ArcGIS <link>StoryMaps</link> is the professional version of StoryMaps and is available as part of <link2>ArcGIS Online</link2>. Both products share similar storytelling capabilities, so if you are familiar with StoryMaps, you'll feel right at home with ArcGIS StoryMaps. Visit the <link3>retirement page</link3> for a detailed comparison between StoryMaps and ArcGIS StoryMaps.

If you do not migrate your account to ArcGIS Online, you can save any content you would like to keep before the June 30, 2025, retirement date. The options for saving content include saving stories as a PDF and saving frames using a screen recording. 

Esri is retiring StoryMaps. On June 30, 2025, StoryMaps will go offline, and StoryMaps content will not be available to edit or view. For more information, please visit the <link>StoryMaps retirement page.</link>

Introducing ArcGIS StoryMaps and ArcGIS Online: <link>AGSM Introduction video</link>

You are invited to migrate your account and content to ArcGIS Online where you can continue storytelling with maps. With ArcGIS Online, you’ll get access to ArcGIS StoryMaps and the easy-to-use story builder you are familiar with, plus so much more!

If you migrate your account to ArcGIS Online, you will have access to your existing stories, collections, and themes via ArcGIS StoryMaps, as well as an array of additional ArcGIS capabilities. (Your frames will be migrated and accessible when support for frames is added to ArcGIS StoryMaps.)

For more details about migrating your account and content to ArcGIS Online, please visit the StoryMaps <link>retirement page.</link>

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To complete the migration of your StoryMaps account to ArcGIS Online, review and accept the Esri Master Agreement and Privacy Policy by June 30, 2025. 

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Both of these options include access to ArcGIS StoryMaps and the other ArcGIS Online apps and capabilities. Please note that there is a price difference between the two options that you will need to pay if you want to keep your account active when your free subscription expires. See the FAQs on the <link>StoryMaps.com retirement page</link> for more information about these subscription options.

Selecting Request migration below means that you are deciding to change your StoryMaps.com account to an ArcGIS Online subscription. During the free subscription, you will have access to your existing stories and collections via ArcGIS StoryMaps, as well as an array of additional capabilities offered by ArcGIS Online.

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