{"id":40860,"date":"2026-01-12T16:06:38","date_gmt":"2026-01-12T15:06:38","guid":{"rendered":"https:\/\/gastronova.eu\/water-and-wastewater-in-a-catering-trailer-or-food-truck-tanks-filling-draining-and-hygiene-tips\/"},"modified":"2026-05-15T13:22:14","modified_gmt":"2026-05-15T11:22:14","slug":"water-and-wastewater-in-a-catering-trailer-or-food-truck-tanks-filling-draining-and-hygiene-tips","status":"publish","type":"post","link":"https:\/\/gastronova.eu\/en\/water-and-wastewater-in-a-catering-trailer-or-food-truck-tanks-filling-draining-and-hygiene-tips\/","title":{"rendered":"Water and wastewater in a catering trailer or food truck: tanks, filling, draining, and hygiene tips"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"40860\" class=\"elementor elementor-40860 elementor-39224\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-69c4dd6 e-flex e-con-boxed e-con e-parent\" data-id=\"69c4dd6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-858078c elementor-widget elementor-widget-wd_text_block\" data-id=\"858078c\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p><span style=\"font-weight: 400;\">In a catering trailer or food truck, water is often the \"silent killer\" of operations. When you have it well-managed, no one even notices. When you don't \u2013 suddenly you're dealing with non-functional hand washing, a full wastewater tank, low pressure, or hygiene issues at an event.  <\/span><\/p><p><span style=\"font-weight: 400;\">In this article, you will find a practical overview of:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">which water and wastewater solutions are used in practice,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">how to set up water refilling and wastewater draining,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">how to maintain the system to keep it hygienic and reliable,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">and what to consider during design based on your concept type.<\/span><\/li><\/ul>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-fdaa771 e-flex e-con-boxed e-con e-parent\" data-id=\"fdaa771\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c17f52 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"6c17f52\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center photoswipe-images\">\n\t\t\t\t\t\t\t<a  href=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2.png\"data-width=\"1536\" data-height=\"1024\" data-elementor-open-lightbox=\"no\" aria-label=\"Image link\">\n\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2-768x512.png\" class=\"attachment-medium_large size-medium_large\" alt=\"\" srcset=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2-768x512.png 768w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2-400x267.png 400w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2-1200x800.png 1200w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2-430x287.png 430w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2-700x467.png 700w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2-150x100.png 150w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/ddres-2.png 1536w\" sizes=\"(max-width: 768px) 100vw, 768px\">\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-cf15358 e-flex e-con-boxed e-con e-parent\" data-id=\"cf15358\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-845fb3a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"845fb3a\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-ca223cd e-flex e-con-boxed e-con e-parent\" data-id=\"ca223cd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d4459b elementor-widget elementor-widget-wd_text_block\" data-id=\"7d4459b\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>1) How a typical water system works in a catering trailer or food truck<\/b><\/h2><p><span style=\"font-weight: 400;\">Most mobile businesses operate without a permanent connection to the water supply. Therefore, a combination is used: <\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>fresh water tank<\/b><span style=\"font-weight: 400;\">,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>wastewater tank<\/b><span style=\"font-weight: 400;\">,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>pump<\/b><span style=\"font-weight: 400;\"> (for pressure),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">and as needed, <\/span><b>water heating<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">This system is particularly practical at events: you can operate even without permanent infrastructure while still maintaining hygiene standards.<\/span><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-dcf632d e-flex e-con-boxed e-con e-parent\" data-id=\"dcf632d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5295f13 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5295f13\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-c9bae58 e-flex e-con-boxed e-con e-parent\" data-id=\"c9bae58\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-08d67e2 elementor-widget elementor-widget-wd_text_block\" data-id=\"08d67e2\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>2) Our standard (Gastronova) \u2013 a proven setup for most concepts<\/b><\/h2><p><span style=\"font-weight: 400;\">To ensure the system works in practice and isn't \"pushed to the limit,\" we typically design the water system as follows:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>2 sinks<\/b><span style=\"font-weight: 400;\"> (depending on the concept and hygiene requirements)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>instantaneous water heater<\/b><span style=\"font-weight: 400;\"> or <\/span><b>a small 6L boiler<\/b><span style=\"font-weight: 400;\"> (depending on the type of operation)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>pump with a water filter<\/b><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>2 \u00d7 40 L tanks<\/b><span style=\"font-weight: 400;\">:<\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">1\u00d7 <\/span><b>fresh water<\/b> tank<\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">1\u00d7 <\/span><b>wastewater<\/b> tank<\/li><\/ul><\/li><\/ul><p><span style=\"font-weight: 400;\">This setup is universal, easy to service, and sufficient for many concepts if you have a set routine for refilling and draining.<\/span><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-408e861 e-flex e-con-boxed e-con e-parent\" data-id=\"408e861\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5567c9c e-con-full e-flex e-con e-child\" data-id=\"5567c9c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa48ed7 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"fa48ed7\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center photoswipe-images\">\n\t\t\t\t\t\t\t<a  href=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/Unknown-2.jpeg\"data-width=\"1200\" data-height=\"1600\" data-elementor-open-lightbox=\"no\" aria-label=\"Image link\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"500\" src=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/Unknown-2-300x500.jpeg\" class=\"attachment-300x500 size-300x500\" alt=\"\">\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-42032a9 e-con-full e-flex e-con e-child\" data-id=\"42032a9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e9d750 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"9e9d750\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center photoswipe-images\">\n\t\t\t\t\t\t\t<a  href=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/nbk.jpeg\"data-width=\"1200\" data-height=\"1600\" data-elementor-open-lightbox=\"no\" aria-label=\"Image link\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"500\" src=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/nbk-300x500.jpeg\" class=\"attachment-300x500 size-300x500\" alt=\"\">\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-101800a e-flex e-con-boxed e-con e-parent\" data-id=\"101800a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c35ef8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2c35ef8\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-c69101a e-flex e-con-boxed e-con e-parent\" data-id=\"c69101a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-540ead7 elementor-widget elementor-widget-wd_text_block\" data-id=\"540ead7\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>3) Filling water: from the outside into the tank or directly via hose<\/b><\/h2><p><span style=\"font-weight: 400;\">To make water refilling practical and hygienic, our system is designed so that <\/span><b>filling is always done from the outside<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">either <\/span><b>you fill the fresh water tank<\/b><span style=\"font-weight: 400;\">,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">or you have the option of a <\/span><b>direct hose connection<\/b><span style=\"font-weight: 400;\"> (when water is available on-site).<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">This is especially important at events \u2013 you don't want to deal with buckets and improvisations, but rather quick refilling without disrupting operations.<\/span><\/p><p><b>Pro tip:<\/b><span style=\"font-weight: 400;\"> use a hose intended for drinking water and store it separately from \"technical\" hoses (to minimize odor and contamination).<\/span><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-110cd4d e-flex e-con-boxed e-con e-parent\" data-id=\"110cd4d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7a226f7 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7a226f7\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-060c5a8 e-flex e-con-boxed e-con e-parent\" data-id=\"060c5a8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0b24e77 elementor-widget elementor-widget-wd_text_block\" data-id=\"0b24e77\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>4) Water heating: instantaneous heater vs. 6L boiler<\/b><\/h2><p><span style=\"font-weight: 400;\">Hot water is often key to hygiene and staff comfort. The most common solutions in a catering trailer or food truck are: <\/span><\/p><h3><b>Instantaneous water heater<\/b><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">advantage: hot water \"on demand,\" without waiting for a tank to heat up<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">suitable: when water is used frequently and briefly (hands, quick rinsing)<\/span><\/li><\/ul><h3><b>Small 6L boiler<\/b><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">advantage: stable water temperature, simple operation<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">suitable: when you want to have hot water ready even in fluctuating conditions<\/span><\/li><\/ul><p><b>Safety tip:<\/b><span style=\"font-weight: 400;\"> with a boiler, always ensure it is filled with water before switching it on.<\/span><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-56d37c0 e-flex e-con-boxed e-con e-parent\" data-id=\"56d37c0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c58cce elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"5c58cce\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center photoswipe-images\">\n\t\t\t\t\t\t\t<a  href=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2.png\"data-width=\"1536\" data-height=\"1024\" data-elementor-open-lightbox=\"no\" aria-label=\"Image link\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2-768x512.png\" class=\"attachment-medium_large size-medium_large\" alt=\"\" srcset=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2-768x512.png 768w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2-400x267.png 400w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2-1200x800.png 1200w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2-430x287.png 430w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2-700x467.png 700w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2-150x100.png 150w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/boiler-2.png 1536w\" sizes=\"(max-width: 768px) 100vw, 768px\">\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-51df4cb e-flex e-con-boxed e-con e-parent\" data-id=\"51df4cb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12ef5c1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"12ef5c1\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-3774477 e-flex e-con-boxed e-con e-parent\" data-id=\"3774477\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c68b4b0 elementor-widget elementor-widget-wd_text_block\" data-id=\"c68b4b0\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>5) Wastewater: draining via a floor valve (from the outside) or permanent connection<\/b><\/h2><p><span style=\"font-weight: 400;\">Wastewater comes from hand washing, rinsing, and sanitation. The key is to have a clear and fast way to drain it. <\/span><\/p><p><span style=\"font-weight: 400;\">In our trailers, draining is designed so that:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>draining is via a floor valve<\/b><span style=\"font-weight: 400;\"> and is done <\/span><b>from the outside<\/b><span style=\"font-weight: 400;\">,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">and if needed, the system can also be set up for a <\/span><b>direct permanent connection<\/b><span style=\"font-weight: 400;\"> (when you have a stable location with a drain).<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Advantage of the external valve: you drain the tank without interfering with the interior and without dismantling cabinets.<\/span><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-f0b0983 e-flex e-con-boxed e-con e-parent\" data-id=\"f0b0983\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9d24eee elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"9d24eee\" data-element_type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center photoswipe-images\">\n\t\t\t\t\t\t\t<a  href=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2.png\"data-width=\"1536\" data-height=\"1024\" data-elementor-open-lightbox=\"no\" aria-label=\"Image link\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2-768x512.png\" class=\"attachment-medium_large size-medium_large\" alt=\"\" srcset=\"https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2-768x512.png 768w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2-400x267.png 400w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2-1200x800.png 1200w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2-430x287.png 430w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2-700x467.png 700w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2-150x100.png 150w, https:\/\/gastronova.eu\/wp-content\/uploads\/2026\/01\/odapd-2.png 1536w\" sizes=\"(max-width: 768px) 100vw, 768px\">\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-54b11df e-flex e-con-boxed e-con e-parent\" data-id=\"54b11df\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-beee0c3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"beee0c3\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-8b75d42 e-flex e-con-boxed e-con e-parent\" data-id=\"8b75d42\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eddc831 elementor-widget elementor-widget-wd_text_block\" data-id=\"eddc831\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>6) How much water does a catering trailer or food truck actually need?<\/b><\/h2><p><span style=\"font-weight: 400;\">The most important thing is not just to look at the volume of the tanks, but at the reality of the concept:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>bar \/ drink concept:<\/b><span style=\"font-weight: 400;\"> water is used for hand washing, rinsing, sanitation<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>street food and hot kitchen:<\/b><span style=\"font-weight: 400;\"> higher consumption (tools, work surfaces, hygiene)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>coffee shop:<\/b><span style=\"font-weight: 400;\"> depends on whether you use disposables or wash a lot of dishes<\/span><\/li><\/ul><p><b>Practical recommendation:<\/b><span style=\"font-weight: 400;\"> set up a simple routine:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">when you refill fresh water (e.g., before the event + halfway through the day),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">when you drain wastewater (e.g., after the event or when full),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">who is responsible for it and where the \"service point\" is located.<\/span><\/li><\/ul>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-12f5001 e-flex e-con-boxed e-con e-parent\" data-id=\"12f5001\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-35d2cec elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"35d2cec\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-dfa2eee e-flex e-con-boxed e-con e-parent\" data-id=\"dfa2eee\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e66f04 elementor-widget elementor-widget-wd_text_block\" data-id=\"6e66f04\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>7) Maintenance and \"anti-odor\" routine<\/b><\/h2><p><span style=\"font-weight: 400;\">The most common cause of odor isn't the water itself \u2013 but a neglected tank, hoses, and residue in the drain.<\/span><\/p><p><span style=\"font-weight: 400;\">I recommend:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">regular system flushes (especially after events),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ongoing filter cleaning,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">not leaving water standing for unnecessarily long periods,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">completely draining and winterizing the system before winter.<\/span><\/li><\/ul>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-640aaa5 e-flex e-con-boxed e-con e-parent\" data-id=\"640aaa5\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-18aa1e4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"18aa1e4\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-8746c4e e-flex e-con-boxed e-con e-parent\" data-id=\"8746c4e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a194241 elementor-widget elementor-widget-wd_text_block\" data-id=\"a194241\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>Summary and final recommendation (Gastronova)<\/b><\/h2><p><span style=\"font-weight: 400;\">If you want your catering trailer or food truck to run stress-free, water and wastewater must be designed as thoroughly as the electricity:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">be clear about your concept and operational intensity,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">choose the right water heating method (instantaneous vs. 6L boiler),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">set a refilling and draining routine (an external valve is a game-changer),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">and have a simple maintenance routine so the system doesn't smell and works reliably.<\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">If you want to check out related items:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hygiene: <\/span><a href=\"https:\/\/gastronova.eu\/en\/services\/hygiene\/?utm_source=chatgpt.com\"><span style=\"font-weight: 400;\">https:\/\/gastronova.eu\/sluzby\/hygiena\/<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Catering equipment and accessories: <\/span><a href=\"https:\/\/gastronova.eu\/en\/kategoria-produktu\/accessories\/gastro-equipment\/\"><span style=\"font-weight: 400;\">https:\/\/gastronova.eu\/kategoria-produktu\/prislusenstvo-hlavne\/gastro-vybavenie\/<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Concepts: <\/span><a href=\"https:\/\/gastronova.eu\/en\/concepts\/\"><span style=\"font-weight: 400;\">https:\/\/gastronova.eu\/koncepty\/<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Custom catering concept (Streetfood Service): <\/span><a href=\"https:\/\/gastronova.eu\/en\/services\/gastro-concept-tailor-made\/\"><span style=\"font-weight: 400;\">https:\/\/gastronova.eu\/sluzby\/gastro-koncept-na-mieru\/<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Financing: <\/span><a href=\"https:\/\/gastronova.eu\/en\/services\/funding\/?utm_source=chatgpt.com\"><span style=\"font-weight: 400;\">https:\/\/gastronova.eu\/sluzby\/financovanie\/<\/span><\/a><\/li><\/ul><h2><b>FAQ \u2013 Water and wastewater in a catering trailer or food truck<\/b><\/h2><h3><b>1) What is the standard water system in a catering trailer or food truck?<\/b><\/h3><p><span style=\"font-weight: 400;\">Most commonly, it is a system consisting of a <\/span><b>fresh water tank + wastewater tank + pump (pressure) + water heating<\/b><span style=\"font-weight: 400;\">. The advantage is that you can operate without permanent connections while still maintaining hygiene standards.<\/span><\/p><h3><b>2) How many liters of water do I need in a catering trailer or food truck?<\/b><\/h3><p><span style=\"font-weight: 400;\">It depends on the concept, the number of staff, and whether you wash dishes or use mostly disposables. As a standard, a   <\/span><b>2\u00d7 40 L tank<\/b><span style=\"font-weight: 400;\"> setup (fresh + waste) is often used, while for higher volume operations, the refilling\/draining routine during the day is key.<\/span><\/p><h3><b>3) How does water filling work in a catering trailer or food truck?<\/b><\/h3><p><span style=\"font-weight: 400;\">It is practical and hygienic to have <\/span><b>filling from the outside<\/b><span style=\"font-weight: 400;\"> \u2013 either into the fresh water tank or via the option of a <\/span><b>direct hose connection<\/b><span style=\"font-weight: 400;\"> when water is available on-site.<\/span><\/p><h3><b>4) How is wastewater drained from a catering trailer or food truck?<\/b><\/h3><p><span style=\"font-weight: 400;\">The most practical way is draining <\/span><b>via a floor valve<\/b><span style=\"font-weight: 400;\"> operated <\/span><b>from the outside<\/b><span style=\"font-weight: 400;\">. For a stable location, the system can also have a  <\/span><b>permanent direct connection<\/b><span style=\"font-weight: 400;\"> to the drain.<\/span><\/p><h3><b>5) Is an instantaneous water heater or a 6L boiler better?<\/b><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>An instantaneous water heater<\/b><span style=\"font-weight: 400;\"> is great when you want hot water \"on demand\" and use it frequently and briefly (hands, quick rinsing).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>A 6L boiler<\/b><span style=\"font-weight: 400;\"> makes sense when you want a stable temperature and a simple reserve of hot water.<\/span><\/li><\/ul><h3><b>6) Why does the water or wastewater in my system smell?<\/b><\/h3><p><span style=\"font-weight: 400;\">The most common reasons are stagnant water, clogged hoses, a dirty filter, or residue in the drain. A simple routine helps: regular flushing, cleaning filters, and not leaving water standing for too long (especially between events). <\/span><\/p><h3><b>7) Can I drain wastewater anywhere?<\/b><\/h3><p><span style=\"font-weight: 400;\">No. Wastewater should only be drained at designated locations (collection stations, approved drains, back-of-house facilities). Do not drain it in parking lots, into storm drains, or into nature.  <\/span><\/p><h3><b>8) What is the minimum I should have for hygiene purposes?<\/b><\/h3><p><b>Minimum for most concepts:<\/b><span style=\"font-weight: 400;\"> a separate hand wash sink + a sink for dishes\/tools.<\/span><\/p><p><b>For concepts involving raw ingredient preparation (vegetables \/ meat):<\/b><span style=\"font-weight: 400;\"> we recommend considering a separate solution for washing food or a clear time separation and sanitation between activities \u2013 to minimize the risk of cross-contamination.<\/span><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>In a catering trailer or food truck, water is often the &#8220;silent killer&#8221; of operations. When you have it well-managed,<\/p>\n","protected":false},"author":1,"featured_media":39257,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[204],"tags":[],"table_tags":[],"class_list":["post-40860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/posts\/40860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/comments?post=40860"}],"version-history":[{"count":1,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/posts\/40860\/revisions"}],"predecessor-version":[{"id":40861,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/posts\/40860\/revisions\/40861"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/media\/39257"}],"wp:attachment":[{"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/media?parent=40860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/categories?post=40860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/tags?post=40860"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/gastronova.eu\/en\/wp-json\/wp\/v2\/table_tags?post=40860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}