{"id":220269,"date":"2024-11-01T21:15:20","date_gmt":"2024-11-01T21:15:20","guid":{"rendered":"https:\/\/www.solinst.com\/401-waterloo-multilevel-system\/401-waterloo-datasheet\/"},"modified":"2026-05-07T21:08:41","modified_gmt":"2026-05-07T21:08:41","slug":"401-waterloo-datasheet","status":"publish","type":"page","link":"https:\/\/www.solinst.com\/en-gb\/products\/multilevel-systems\/401-waterloo-multilevel-system\/401-waterloo-datasheet\/","title":{"rendered":"401 Waterloo Datasheet"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;H1 and breadcrumbs&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;792ca5bd-0808-46bd-9ce7-3bcb8e74f4d3&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;4b28f470-0d73-4e9d-b92d-e6f41f2cea24&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; header_font=&#8221;|700|||||||&#8221; header_font_size=&#8221;36px&#8221; custom_margin=&#8221;||5px|||&#8221; header_text_align_tablet=&#8221;&#8221; header_text_align_phone=&#8221;&#8221; header_text_align_last_edited=&#8221;on|desktop&#8221; header_font_size_tablet=&#8221;22px&#8221; header_font_size_phone=&#8221;20px&#8221; header_font_size_last_edited=&#8221;on|phone&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1 role=\"heading\" aria-level=\"2\" data-uw-rm-heading=\"level\">Waterloo Multilevel Systems<\/h1>\n<p>[\/et_pb_text][dsm_breadcrumbs disabled_on=&#8221;on|off|off&#8221; admin_label=&#8221;breadcrumbs below landing pages with mobile view off&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; home_icon_text_color=&#8221;#d6d6d6&#8243; global_module=&#8221;4283&#8243; global_colors_info=&#8221;{}&#8221;][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;4759a92f-4b27-4854-bb2c-299854634e93&#8243; sticky_offset_top=&#8221;127px&#8221; global_module=&#8221;2965&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row disabled_on=&#8221;off|off|on&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; width=&#8221;90%&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; sticky_limit_bottom=&#8221;body&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code disabled_on=&#8221;off|off|off&#8221; admin_label=&#8221;401 Mobile Nav &#8211; Select Dropdown&#8221; module_id=&#8221;dropdown&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_css_free_form=&#8221;select {||||      font-size: 1em; \/* Adjust font size *\/||      padding: 10px;   \/* Optional: Increase padding for better spacing *\/||      width: 100%;||      box-sizing: border-box;\/* Optional: Adjust width to fit the container *\/||      height: 50px;||}||||    \/* Style for dropdown options (fallback if needed) *\/||select option {||      font-size: 1.2em; \/* Ensures option text matches select styling *\/||      width: 100%;||    }&#8221; global_colors_info=&#8221;{}&#8221;]<select name=\"dropdown\" onchange=\"location = this.value;\"><!-- [et_pb_line_break_holder] --><option value=\"\">401 Waterloo System Menu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/\">401 Waterloo Multilevel System Main Page<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/get-quote.php\">Get a Quote<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/Forms\/sol.php\">Send Me Info<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/\">Why Multilevels?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/what-is-a-multilevel-system\/\">-What is a Multilevel System?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/multilevel-system-comparison\/\">-Multilevel System Comparison<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/why-multilevels\/why-multilevels.pdf\">-Download PDF<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/\">Datasheet<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/advantages-and-applications\/\">-Advantages and Applications<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/sampling-ports-and-manifolds\/\">-Sampling Ports and Manifolds<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/discrete-zone-port-technology\/\">-Discrete Zone Port Technology<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/permanent-waterloo-packers\/\">-Permanent Waterloo Packers<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/waterloo-system-installation\/\">-Installation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/waterloo-system-flexibility\/\">-System Flexibility<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/monitoring-options\/\">-Monitoring Options<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/dedicated-sampling-pumps\/\">-Dedicated Sampling Pumps<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/dedicated-pressure-transducers\/\">-Dedicated Transducers<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/reliable-groundwater-chemistry-data\/\">-Reliable Data<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/design-your-multilevel-system\/\">-Designing Your Multilevel System<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/monitoring-contaminated-flow\/\">-Monitoring Contaminated Flow<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/data\/401.pdf\">-Download PDF<\/option><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/operating-instructions\/\">Instructions<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/operating-instructions\/waterloo-multilevel-groundwater-monitoring.php\">-401 Waterloo Multilevel Groundwater Monitoring System Assembly Manual<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/waterloo-multilevel-system-pre-installation-requirements\/\">&#8211;Pre-installation Requirements<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/1-introduction\/\">&#8211;1.0 Introduction<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/2-installation\/\">&#8211;2.0 Installation Components<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/3-preparation\/\">&#8211;3.0 Preparation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/4-assembling-the-system\/\">&#8211;4.0 Assembling The System<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/5-joint-connections\/\">&#8211;5.0 Joint Connections<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/6-port-connections\/\">&#8211;6.0 Port Connections<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/7-testing-monitoring-equipment\/\">&#8211;7.0 Testing Monitoring Equipment<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/8-packer-activation\/\">&#8211;8.0 Packer Activation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/9-wellhead-manifold-completion\/\">&#8211;9.0 Wellhead Manifold Completion<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/10-monitoring-options\/\">&#8211;10.0 Monitoring Options<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/appendix\/\">&#8211;Appendix<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/table-of-contents\/\">&#8211;Table of Contents<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/operating-instructions\/waterloo-multilevel-groundwater-monitoring.pdf\">&#8211;Download PDF<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/multilevel-system-comparison\/\">-Multilevel System Comparison \u2013 Model 403 &amp; Model 401<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/case-studies-and-technical-bulletins\/\">Technical Bulletins and Case Studies<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/case-studies-and-technical-bulletins\/high-resolution-multilevel-monitoring\/\">-High Resolution Multilevel Monitoring<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/\">Multilevel Systems<\/option><!-- [et_pb_line_break_holder] --><\/select>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;5a5bca26-a9a5-4e6c-8fca-d64da3bdcd40&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_menu menu_id=&#8221;45&#8243; admin_label=&#8221;401 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button_text=&#8221;Advantages of Using Water Flute&#8221; button_link=&#8221;https:\/\/www.solinst.com\/instruments\/solinst-flute\/405-water-flute\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position1&amp;utm_campaign=405-water-flute&#8221; use_bg_overlay=&#8221;on&#8221; bg_overlay_color=&#8221;rgba(224,97,0,0.58)&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#F07C00&#8243; background_enable_color=&#8221;on&#8221; background_image=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2024\/12\/405-water-flute-multilevel-groundwater-system-installation.webp&#8221; background_enable_image=&#8221;on&#8221; background_position=&#8221;top_center&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#f58025&#8243; button_border_width=&#8221;2px&#8221; button_border_radius=&#8221;20px&#8221; button_font=&#8221;|600|||||||&#8221; background_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221; 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text_text_color__hover=&#8221;#7a7a7a&#8221; sticky_enabled=&#8221;0&#8243;][\/dsm_icon_list_child][\/dsm_icon_list][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner use_custom_gutter=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; background__hover_enabled=&#8221;on|hover&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; custom_padding=&#8221;|||0px|false|false&#8221; custom_css_free_form=&#8221;width: 68%!important;||margin-right: 2%!important;&#8221; global_colors_info=&#8221;{}&#8221; background__hover_enabled=&#8221;on|hover&#8221; background_color__hover=&#8221;&#8221; background_enable_color__hover=&#8221;off&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2024\/11\/401-waterloo-multilevel-system-transect-installation.webp&#8221; alt=&#8221;transect of solinst Waterloo multilevel systems installed across a plume for high resolution monitoring applications&#8221; title_text=&#8221;Transect Of Solinst Waterloo Multilevel Systems Installed Across A Plume For High Resolution Monitoring Applications  &#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; custom_padding=&#8221;30px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Why Multilevels: Provide a Clearer Understanding of Subsurface Conditions<\/h2>\n<p>Superior quality of data is captured when monitoring a series of discrete isolated intervals at various depths in a single borehole. The detailed information provided by Multilevels in the form of horizontal and vertical flow, in conjunction with discrete zone sampling for contaminants, is necessary for accurate site assessments. <\/p>\n<ul>\n<li><strong>Improve Site Assessments and Risk Management<\/strong><\/li>\n<ul>\n<li>Multilevels provide high resolution data for input into more representative &#8216;dynamic&#8217; conceptual site models.<\/li>\n<li>Transects of Multilevels across a groundwater flow path provide the best data to use for Mass Flux calculations. This has proven to be an important tool for site assessments that require realistic estimates of maximum contaminant concentration\/risk to receptors. <\/li>\n<\/ul>\n<\/ul>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2024\/11\/multilevels-provide-3d-groundwater-data.webp&#8221; alt=&#8221;multilevels provide three dimensional groundwater data illustration courtesy of lfr levine fricke and the american petroleum institute&#8221; title_text=&#8221;Multilevels Provide Three Dimensional Groundwater Data. Illustration courtesy of LFR Levine-Fricke and the American Petroleum Institute &#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; width=&#8221;75%&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: center;\"><em>Multilevels Provide Three Dimensional Groundwater Data.<\/em><br role=\"presentation\" data-uw-rm-sr=\"\"><em>Illustration courtesy of LFR Levine-Fricke and the American Petroleum Institute<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px||20px||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ul>\n<ul>\n<li>Optimise performance of active remediation by using detailed 3-D data from a series of Multilevels. Subsequently, transects can be used to evaluate the success of the chosen remediation option and identify any areas requiring improvements. <\/li>\n<\/ul>\n<li><strong>The Economics Make Sense<\/strong><\/li>\n<ul>\n<li>Proven cost reductions for drilling and drilling waste.<\/li>\n<li>Field personnel time and disposal costs are low, when purge volumes are reduced. The discrete interval that a Multilevel port encompasses allows for smaller purge volumes, rapid responses to level changes and is ideal for low flow sampling techniques. <\/li>\n<\/ul>\n<li><strong>Overcome Biases with Long Screened Wells<\/strong><\/li>\n<ul>\n<li>Contaminant mixing over long screens masks vertical variations resulting in underestimating the full extent of plumes and diluting the true concentration of contaminants.<\/li>\n<li>Ambient vertical flow within the well has potential to transmit contaminants to non-contaminated zones.<\/li>\n<\/ul>\n<\/ul>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/get-quote.php&#8221; button_text=&#8221;Get Quote&#8221; button_alignment=&#8221;center&#8221; admin_label=&#8221;401 get quote button&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;24px&#8221; button_text_color=&#8221;#FFFFFF&#8221; button_bg_color=&#8221;#ff8500&#8243; button_bg_enable_image=&#8221;off&#8221; button_border_color=&#8221;#ff8500&#8243; button_border_radius=&#8221;20px&#8221; button_font=&#8221;|600|||||||&#8221; button_icon=&#8221;&#xe046;||divi||400&#8243; custom_margin=&#8221;20px||||false|false&#8221; custom_padding=&#8221;6px|47px|6px|47px|false|false&#8221; global_module=&#8221;3368&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=&#8221;Mobile Nav Related Items&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][dsm_menu title=&#8221;Related Products&#8221; menu_id=&#8221;46&#8243; submenu_collapse=&#8221;on&#8221; disabled_on=&#8221;off|off|on&#8221; admin_label=&#8221;401 Related Products Mobile&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;c338801a-1c11-4b60-a642-4c0b75dbf2db&#8221; box_shadow_style=&#8221;none&#8221; global_colors_info=&#8221;{}&#8221;][\/dsm_menu][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Adobe Analytics Code&#8221; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||4px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code admin_label=&#8221;AA Code for this page&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<!-- SiteCatalyst code version: H.21. 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**************\/<!-- [et_pb_line_break_holder] -->var s_code=s.t();if(s_code)document.write(s_code)\/\/--><\/script><!-- [et_pb_line_break_holder] --><script language=\"JavaScript\" type=\"text\/javascript\"><!--<!-- [et_pb_line_break_holder] -->if(navigator.appVersion.indexOf('MSIE')>=0)document.write(unescape('%3C')+'!-'+'-')<!-- [et_pb_line_break_holder] -->\/\/--><\/script><noscript><a href=\"https:\/\/www.omniture.com\" title=\"Web Analytics\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/solinst.d2.sc.omtrdc.net\/b\/ss\/solinst-prod\/1\/H.21--NS\/0\" height=\"1\" width=\"1\" border=\"0\" alt=\"\"><\/a><\/noscript><!--\/DO NOT REMOVE\/--><!-- [et_pb_line_break_holder] --><!-- End SiteCatalyst code version: H.21. -->[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Waterloo Multilevel Systems<div class=\"et_pb_module dsm_breadcrumbs dsm_breadcrumbs_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t<nav class=\"dsm_breadcrumbs_wrap\">\n\t\t\t\t<ul class=\"dsm_breadcrumbs\" itemscope itemtype=\"https:\/\/schema.org\/BreadcrumbList\">\t\t\t<li class=\"dsm_breadcrumbs_item dsm_home_item dsm_home_item_custom\" itemprop=\"itemListElement\" itemscope\n\t\t\titemtype=\"https:\/\/schema.org\/ListItem\">\n\t\t\t\t<a href=\"https:\/\/www.solinst.com\/en-gb\/\" itemprop=\"item\" target=\"\">\n\t\t\t\t\t<span class='dsm_home_text_wrapper'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"et-pb-icon dsm_home_icon\">\ue009<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"dsm_home_text\" itemprop=\"name\">\n\t\t\t\t\t\t\t\tHome\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t<meta itemprop=\"position\" content=\"1\" \/>\n\t\t\t<\/li>\n\n\t\t<li class=\"dsm_breadcrumbs_separator\"> <span class=\"et-pb-icon dsm_separator_icon\">5<\/span><\/li><\/ul>\n\t\t\t<\/nav>\n\t\t\t\t<\/div>\n\t\t\t<\/div> &nbsp; Depth Discrete Groundwater Monitoring Reduce Costs and Field Time &nbsp; &nbsp; &nbsp;<div class=\"et_pb_module dsm_icon_list dsm_icon_list_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t<ul class=\"dsm_icon_list_items dsm_icon_list_ltr_direction dsm_icon_list_layout_vertical\"><li class=\"dsm_icon_list_child dsm_icon_list_child_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<a href=\"https:\/\/www.solinst.com\/products\/data\/401.pdf\" target=\"_blank\"><span class=\"dsm_icon_list_wrapper\"><span class=\"dsm_icon_list_icon\">\uf1c1<\/span><\/span><span class=\"dsm_icon_list_text\">401 Waterloo System Datasheet PDF<\/span><\/a>\n\t\t\t<\/li><\/ul>\n\t\t\t\t<\/div>\n\t\t\t<\/div>Why Multilevels: Provide a Clearer Understanding of Subsurface Conditions Superior quality of data is captured when monitoring a series of discrete isolated intervals at various depths in a single borehole. The detailed information provided by Multilevels in the form of horizontal and vertical flow, in conjunction with discrete zone sampling for contaminants, is necessary for accurate site assessments. Improve Site Assessments and Risk Management Multilevels provide high resolution data for input into more representative &#8216;dynamic&#8217; conceptual site models. Transects of Multilevels across a groundwater flow path provide the best data to use for Mass Flux calculations. This has proven to be an important tool for site assessments that require realistic estimates of maximum contaminant concentration\/risk to receptors. Multilevels Provide Three Dimensional Groundwater Data.Illustration courtesy of LFR Levine-Fricke and the American Petroleum Institute Optimise performance of active remediation by using detailed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":220274,"parent":220157,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"folder":[136],"class_list":["post-220269","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Solinst Model 401 Waterloo Multilevel System<\/title>\n<meta name=\"description\" content=\"Solinst Model 401 Waterloo Multilevel System used to isolate discrete zones for groundwater monitoring applications.\" \/>\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.solinst.com\/en-gb\/products\/multilevel-systems\/401-waterloo-multilevel-system\/401-waterloo-datasheet\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"401 Waterloo Multilevel System\" \/>\n<meta property=\"og:description\" content=\"Discover the power of the 401 Waterloo Multilevel System for accurate site assessments and risk management in #groundwater monitoring. Get data from multiple depth-discrete groundwater zones in one borehole. #sitecharacterisation #hydrogeology\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solinst.com\/en-gb\/products\/multilevel-systems\/401-waterloo-multilevel-system\/401-waterloo-datasheet\/\" \/>\n<meta property=\"og:site_name\" content=\"Solinst Groundwater and Surface Water Monitoring Instrumentation, Water Level Meters, Interface Meters, Dataloggers\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-07T21:08:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.solinst.com\/wp-content\/uploads\/2024\/11\/featureimage-multilevel-systems-waterloo-datasheet-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"401 Waterloo Multilevel 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