{"id":16501,"date":"2025-07-14T15:27:25","date_gmt":"2025-07-14T13:27:25","guid":{"rendered":"https:\/\/www.euro-clear.eu\/water-scarcity-in-hungary-is-water-reuse-worth-it\/"},"modified":"2025-07-14T15:27:25","modified_gmt":"2025-07-14T13:27:25","slug":"water-scarcity-in-hungary-is-water-reuse-worth-it","status":"publish","type":"post","link":"https:\/\/www.euro-clear.eu\/en\/water-scarcity-in-hungary-is-water-reuse-worth-it\/","title":{"rendered":"Water scarcity in Hungary? Is water reuse worth it?"},"content":{"rendered":"

For a long time, we believed that water in Hungary was an unlimited resource. With the Danube, the Tisza, Lake Balaton, and countless thermal springs, we tend to think that water shortages only affect deserts or distant continents. But in reality, water scarcity is already a growing problem here, especially in the Great Plain region, in agricultural areas, and during summer.<\/strong><\/p>\n

The solution is not just using less water, but rethinking how we use it. One key is reclaiming water that has already been used and discarded. This includes water from filter backwashing in treatment systems (such as iron removal or activated carbon filters), and treated wastewater, which we still tend to discharge without a second thought.<\/p>\n

\"\"<\/p>\n

Why is water scarcity a real risk in Hungary?<\/strong><\/h3>\n

Multiple factors contribute to the problem:<\/p>\n

    \n
  • climate change is causing longer periods of drought, especially in the eastern regions<\/li>\n
  • rainfall patterns are becoming more extreme and less predictable<\/li>\n
  • industrial and agricultural water consumption has increased dramatically<\/li>\n
  • outdated pipeline networks allow massive water losses<\/li>\n
  • our existing water reserves are poorly managed, and we waste water that could be recovered<\/li>\n<\/ul>\n

    The solution is not just consumption reduction, but conscious planning of water cycles.<\/p>\n

    \"\"<\/p>\n

    Backwash water: a forgotten resource<\/strong><\/h3>\n

    Nearly every water treatment system, industrial or municipal, includes backwash cycles that generate large amounts of so-called “wastewater.” Often, this water is only mildly contaminated. Yet without a mindset of reuse, it is typically settled and then discharged into open water bodies or sent to the sewage system.<\/p>\n

    Typical examples:<\/strong><\/p>\n

      \n
    • iron and manganese removal filters:<\/strong>\u00a0backwash water containing iron and manganese hydroxides could be settled and reused after proper pretreatment<\/li>\n
    • activated carbon filters:<\/strong>\u00a0water from regeneration cycles could be reused as rinse water for non-potable applications<\/li>\n<\/ul>\n

      This adds up to thousands of liters per day at a single industrial or municipal site, water that we currently waste entirely.<\/p>\n

      \"\"<\/p>\n

      Treated wastewater: an untapped opportunity<\/strong><\/h3>\n

      Hungarian wastewater treatment plants operate with excellent technology. However, the treated water is usually returned immediately to nature instead of being reused.<\/p>\n

      With an added tertiary treatment stage, this water could be ideal for:<\/strong><\/p>\n

        \n
      • agricultural irrigation<\/li>\n
      • industrial processes<\/li>\n
      • cooling, dust suppression, or fire water storage<\/li>\n<\/ul>\n

        With proper filtration, ultrafiltration (UF), disinfection (e.g. UV), and infrastructure, treated wastewater could become one of the most important water sources of the future. And this is not speculation, it\u2019s already everyday practice in other countries.<\/p>\n

        \"\"<\/p>\n

        Why don\u2019t we use water reuse as an opportunity?<\/strong><\/h3>\n

        There are several reasons:<\/p>\n

          \n
        • lack of awareness, water is still seen as a single-use resource<\/li>\n
        • missing infrastructure for collection and reuse<\/li>\n
        • regulation often hinders rather than encourages water recycling<\/li>\n
        • investment decisions rarely consider the future value of water, while policymakers treat it as infinite<\/li>\n<\/ul>\n

          The technology is available what\u2019s often missing is the will.<\/p>\n

          How should water reuse be done right?<\/strong><\/h3>\n

          International examples:<\/strong><\/p>\n

            \n
          • the Netherlands and Denmark:<\/strong>\u00a0plan for separate reuse systems from the design stage<\/li>\n
          • Israel:<\/strong>\u00a0over 50% of agricultural irrigation is done using treated wastewater<\/li>\n
          • Spain:<\/strong>\u00a0reclaimed water is used for dust control, park irrigation, and fire protection<\/li>\n
          • some foreign industrial sites<\/strong>\u00a0already reuse iron filter and carbon filter backwash water \u2014 saving up to 30% water<\/li>\n<\/ul>\n

            What about rainwater?<\/strong><\/h3>\n

            Rainwater is often left out of the water scarcity conversation yet it\u2019s a valuable resource that we currently allow to go to waste in Hungary.<\/p>\n

              \n
            • during intense storms, huge volumes fall in a short time and we can’t retain it<\/li>\n
            • in cities, sealed surfaces prevent infiltration, causing both drought and damage<\/li>\n
            • in most locations, rainwater is not used at all though it could be ideal for irrigation, flushing, dust control, or industrial use<\/li>\n<\/ul>\n

              \"\"<\/p>\n

              Possible solutions:<\/strong><\/p>\n

                \n
              • install rainwater harvesting and infiltration systems at industrial or municipal sites<\/li>\n
              • filter mechanically and reuse for non-potable purposes<\/li>\n
              • rethink urban planning: water retention systems, green roofs, permeable pavements<\/li>\n<\/ul>\n

                Rainwater is not a problem, it’s a missed opportunity if we don\u2019t use it.<\/p>\n

                \"\"<\/p>\n

                When will we run out of water?<\/strong><\/h3>\n

                Water is not infinite. Hungary has reached the point where every drop counts. The scarcity is not only due to climate change but also the result of outdated water management practices. If we don\u2019t change our mindset, we won\u2019t just lose water, we\u2019ll lose money, competitiveness, and our children\u2019s future.<\/p>\n

                The solution already exists, it\u2019s accessible and it works. We simply need to implement it.<\/p>\n

                Water is not waste. Water is value. It\u2019s time we treat it that way.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

                For a long time, we believed that water in Hungary was an unlimited resource. With the Danube, the Tisza, Lake Balaton, and countless thermal springs, we tend to think that water shortages only affect deserts or distant continents. But in reality, water scarcity is already a growing problem here, especially in the Great Plain region, […]<\/p>\n","protected":false},"author":1,"featured_media":16482,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-16501","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/posts\/16501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/comments?post=16501"}],"version-history":[{"count":0,"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/posts\/16501\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/media\/16482"}],"wp:attachment":[{"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/media?parent=16501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/categories?post=16501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.euro-clear.eu\/en\/wp-json\/wp\/v2\/tags?post=16501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}