{"id":8618,"date":"2024-07-12T09:34:32","date_gmt":"2024-07-11T23:34:32","guid":{"rendered":"https:\/\/www.ses.tas.gov.au\/?page_id=8618"},"modified":"2026-07-02T16:29:13","modified_gmt":"2026-07-02T06:29:13","slug":"invermay","status":"publish","type":"page","link":"https:\/\/www.ses.tas.gov.au\/ms\/flood-plan\/invermay\/","title":{"rendered":"Launceston \u2013 Kawasan Lindungan Banjir Invermay Panduan Banjir"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Riverine flooding information for North Esk, South Esk and kanamaluka\/ Tamar Rivers<\/h2>\n\n\n\n<p>Version 1.1b July 2026 &#8211; <a href=\"https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2026\/07\/CoL-Invermay-Levee-PA-Flood-Guide-v1.1-July-2026-incl-updated-Silverdome-information.pdf\">Download PDF version<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"1024\" src=\"https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Protected-with-Legend-960x1024.jpg\" alt=\"Levee Protected are of Invermay to a 1% Annual Exceedance Probability (AEP) flood event (Major Flood).\" class=\"wp-image-8619\" srcset=\"https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Protected-with-Legend-960x1024.jpg 960w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Protected-with-Legend-281x300.jpg 281w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Protected-with-Legend-768x819.jpg 768w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Protected-with-Legend-1440x1536.jpg 1440w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Protected-with-Legend-1920x2048.jpg 1920w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p>Map 1 \u2013 Levee Protected are of Invermay to a 1% Annual Exceedance Probability (AEP) flood event (Major Flood).<br><em>*AEP is a term used to the express the percentage of likelihood of a flood, of a given size or larger, occurring in a given year.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"1024\" src=\"https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Breached-with-Legend-960x1024.jpg\" alt=\"Levee Protected are of Invermay if a failure of the levee occurred at 1% AEP. A flood greater than 1% AEP will overtop the existing levee system and increase the flood extent.\" class=\"wp-image-8620\" srcset=\"https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Breached-with-Legend-960x1024.jpg 960w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Breached-with-Legend-281x300.jpg 281w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Breached-with-Legend-768x819.jpg 768w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Breached-with-Legend-1440x1536.jpg 1440w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Invermay-Levee-Breached-with-Legend-1920x2048.jpg 1920w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p><br>Map 2 \u2013 Levee Protected are of Invermay if a failure of the levee occurred at 1% AEP. A flood greater than 1% AEP will overtop the existing levee system and increase the flood extent.<br><em>*AEP is a term used to the express the percentage of likelihood of a flood, of a given size or larger, occurring in a given year.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<p>Flooding often happens in Tasmania and can cause widespread and significant damage. In the past 200 years there have been 78 flood related deaths in Tasmania. This guide is to help you understand flood risk in the Invermay and the Inveresk areas and provide you information on what you can do to prepare for, respond and recover from a major flood.<\/p>\n\n\n\n<p>The maps at the start of this document are there to provide an understanding of the impact of a major flood in the Invermay and Inveresk area should the flood levee&#8217;s fail or overtop.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Overview<\/h2>\n\n\n\n<p>Invermay and Inveresk are one of the most flood prone areas in Tasmania, being on a floodplain at the junction of 3 major rivers:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>the South Esk River<\/li>\n\n\n\n<li>the North Esk River and<\/li>\n\n\n\n<li>the kanamaluka \/ Tamar River estuary.<\/li>\n<\/ul>\n\n\n\n<p>Major flooding of the South Esk River is the greatest risk to Invermay, with a combined South Esk and North Esk Rivers flood event increasing the risk to the area.<\/p>\n\n\n\n<p>Levees help protect properties around Invermay. However, there is no guarantee they can withstand a major flood.<\/p>\n\n\n\n<p>Experiences in other countries show that levee failures can be gradual or sudden. Low lying parts of Invermay may flood quickly. Flood waters may isolate other areas of the suburb.<\/p>\n\n\n\n<p>If the levees failed, people&#8217;s lives could be at risk in Invermay as evacuation would be difficult. Roads in and around the suburb will be closed due to the levee. Some other routes around Launceston may also be flooded. There will be long traffic delays. Isolated areas would probably not have services such as power, water and sewerage.&nbsp; These may take some time to restore after a major flood.<\/p>\n\n\n\n<p>The State Emergency Service, Tasmania Police and the City of Launceston have worked to identify Critical Decision Points (\u2018Trigger Points\u2019) for actions that will keep people safe in a major flood event. These are outlined further in this document.<\/p>\n\n\n\n<p>If the South Esk River is predicted to reach a certain flood height, a Voluntary Evacuation may be declared, it is recommended that you go somewhere safer until the water goes back down. If the river reaches a higher level, a directed Mandatory Evacuation will commence.<\/p>\n\n\n\n<p>If a Mandatory Evacuation is called, services such as electricity, water and gas will be cut off to reduce hazards and protect assets so services can be restored as soon as possible when flood waters go down. If you decide to stay you will not have any of these services in your house &#8211; it is much better if you leave and leave early. If you stay, you could put yourselves and others at risk.<\/p>\n\n\n\n<p>If you have pets, you should take your animals with you if you can.<\/p>\n\n\n\n<p>If you can, it is best to stay with family or friends in a safer place while your home is at risk of flooding.&nbsp; If you have nowhere to go, there is likely to be an<strong> evacuation centre opened at the Silverdome \u2013 55 Oakden Road, Prospect Vale<\/strong>. Keep checking <a href=\"https:\/\/alert.tas.gov.au\/\">Tas ALERT<\/a> or listen to ABC local radio during a flood event for important information.<\/p>\n\n\n\n<p>SES, City of Launceston and Tasmania Police can also provide information on where to go and how you can get there.<\/p>\n\n\n\n<p>In such flooding events, some areas outside of Invermay may also be isolated due to flooding of the low lying areas, roads may have flood waters across them. It is dangerous to drive through flooded roads, particularly in isolated areas. It is recommended to find an alternative route.<\/p>\n\n\n\n<p>Traffic is likely to be heavy throughout the city as roads and levee gate closures restrict traffic movements, so the best option is to leave early and allow plenty of time to get to a safe place.<\/p>\n\n\n\n<p><strong>If the levees fail or are overtopped, people who did not evacuate early when directed<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>put their lives and the lives of others at risk due to the likely rapid flooding of some buildings and roads, the flooding of evacuation routes, and the isolation of other areas from help<\/li>\n\n\n\n<li>cannot expect to have access to emergency services such as ambulance, police, fire, or SES<\/li>\n\n\n\n<li>cannot expect to have services such as electricity, gas, water, sewerage or telecommunications<\/li>\n\n\n\n<li>may be exposed to waste water as the sewerage system will be overwhelmed with water and not function.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"832\" height=\"1024\" src=\"https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Ltn-Levee-protected-areas-evac-routes-with-notes-832x1024.png\" alt=\"Launceston city map showing evacuation routes to Evacuation Centre at Silverdome.\" class=\"wp-image-8635\" srcset=\"https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Ltn-Levee-protected-areas-evac-routes-with-notes-832x1024.png 832w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Ltn-Levee-protected-areas-evac-routes-with-notes-244x300.png 244w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Ltn-Levee-protected-areas-evac-routes-with-notes-768x946.png 768w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Ltn-Levee-protected-areas-evac-routes-with-notes-1247x1536.png 1247w, https:\/\/d2tv960yzi0spr.cloudfront.net\/uploads\/2024\/07\/Ltn-Levee-protected-areas-evac-routes-with-notes-1663x2048.png 1663w\" sizes=\"auto, (max-width: 832px) 100vw, 832px\" \/><\/figure>\n\n\n\n<p>Map 3: Evacuation routes to the Silverdome Evacuation Centre from the Inveresk\/ Invermay area.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Green route &#8211; via Wellington Street noting that this route closes early with levee gate closures at Charles Street bridge.<\/li>\n\n\n\n<li>Yellow route &#8211; via Wellington Street, Westbury Road and to Oakden Road<\/li>\n\n\n\n<li>Red route &#8211; vis Wellington Street, Midland Highway (Southern Outlet), Bass Highway and to Oakden Road.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Adakah anda berisiko banjir?<\/h2>\n\n\n\n<p><strong>A 1% Annual Exceedance Probability (AEP) flood event has a 1% chance of occurring any given year. You can expect to see a flood of this frequency at least once in your life.<\/strong><\/p>\n\n\n\n<p>Launceston has a long history of flooding.&nbsp; Since European settlement:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1852, 1863 and 1893 were serious flood events recorded for Launceston.<\/li>\n\n\n\n<li>1929 was the most severe flooding recorded in modern history. Over a thousand homes and buildings were damaged, with some swept from their foundations. The two suspension bridges over the Gorge area were damaged. Four thousand people were evacuated from Invermay, Inveresk and Margaret Street areas.  The 1929 floods provided incentive to build the levees. It was not until 1940 that Launceston recovered from the flood.<\/li>\n\n\n\n<li>2016 \u2013 Launceston bersedia menghadapi kejadian banjir besar dan menutup beberapa bendung. Peningkatan sistem bendung sebelum ini membantu mengelakkan kerugian kira-kira $216 juta sekiranya bendung lama sebelum ini gagal.<\/li>\n\n\n\n<li>2022 \u2013 Launceston berdekatan terlepas daripada kejadian banjir besar.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Riverine flooding information for North Esk, South Esk and kanamaluka\/ Tamar Rivers Version 1.1b July 2026 &#8211; Download PDF version Map 1 \u2013 Levee Protected are of Invermay to a&hellip;<\/p>","protected":false},"author":11,"featured_media":0,"parent":5531,"menu_order":194,"comment_status":"closed","ping_status":"closed","template":"templates\/flood-guide.php","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-8618","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Launceston - Invermay Levee Protected Area flood guide - Tasmania State Emergency Service<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ses.tas.gov.au\/ms\/flood-plan\/invermay\/\" \/>\n<meta property=\"og:locale\" content=\"ms_MY\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Launceston - Invermay Levee Protected Area flood guide - Tasmania State Emergency Service\" \/>\n<meta property=\"og:description\" content=\"Riverine flooding information for North Esk, South Esk and kanamaluka\/ Tamar Rivers Version 1.1b July 2026 &#8211; 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