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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Plumbing code</span></span>

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<p>A <b>plumbing code</b> is a code that provides regulations for the design, installation, and <a href="Building_inspection" title="Building inspection">inspection</a> of building <a href="Plumbing" title="Plumbing">plumbing</a> and sanitary systems. In the United States, jurisdictions adopt their own codes, a majority of which are based upon national model plumbing codes. The most widely adopted plumbing code in the United States is the <a href="International_Plumbing_Code" title="International Plumbing Code">International Plumbing Code</a> published by the <a href="International_Code_Council" title="International Code Council">International Code Council</a> (ICC). This code is also used as the basis for the plumbing codes of some other countries. Another model plumbing code published and utilized widely across the United States is the <a href="Uniform_Plumbing_Code" title="Uniform Plumbing Code">Uniform Plumbing Code</a>, published by the International Association of Plumbing and Mechanical Officials (<a href="IAPMO" title="IAPMO">IAPMO</a>), a multinational operation with offices in 13 nations. IAPMO codes are developed using ANSI consensus development procedures.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> This code serves as the basis for the national plumbing codes in India and Indonesia.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>

</p><p>Plumbing codes mainly focus on venting. Improper venting can release noxious fumes into homes and buildings.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>

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<ul><li><a href="International_Plumbing_Code" title="International Plumbing Code">International Plumbing Code</a></li>

<li><a href="Uniform_Plumbing_Code" title="Uniform Plumbing Code">Uniform Plumbing Code</a></li>

<li><a href="Plumbing_%26_Drainage_Institute" title="Plumbing & Drainage Institute">Plumbing & Drainage Institute</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.contractormag.com/codes/article/20881160/iapmo-celebrates-90-years-of-promoting-health-and-safety">"StackPath"</a>.</cite></span>

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<li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.indianplumbing.org/Codes">"Indian Plumbing Association"</a>.</cite></span>

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<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.iapmo.org/media/3209/2016-05-17-iapmo-sni-8153-2015-english.pdf">"English Version of SNI 8153:2015 Now Available"</a> <span class="cs1-format">(PDF)</span>. <i><a href="IAPMO" title="IAPMO">IAPMO</a></i>. May 17, 2016.</cite></span>

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<li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external autonumber" href="http://staggsplumbing.co/service-areas/plano-tx/">[1]</a><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20160310152909/http://codes.iapmo.org/home.aspx?code=UPC">"IAPMO Codes"</a>. <i>codes.iapmo.org</i>. Archived from <a rel="nofollow" class="external text" href="https://codes.iapmo.org/home.aspx?code=UPC">the original</a> on 2016-03-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2016-03-10</span></span>.</cite></span>

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<li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bhg.com/home-improvement/plumbing/plumbing-codes/">"Must-Know Plumbing Codes for a Successful Remodel"</a>.</cite></span>

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</style><div id="Plumbing233" style="font-size:114%;margin:0 4em"><a href="Plumbing" title="Plumbing">Plumbing</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fundamental<br>concepts</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Air_gap_(plumbing)" title="Air gap (plumbing)">Air gap (plumbing)</a></li>

<li><a href="Backflow" title="Backflow">Backflow</a></li>

<li><a href="Compatibility_(chemical)" title="Compatibility (chemical)">Compatibility (chemical)</a></li>

<li><a href="Corrosion" title="Corrosion">Corrosion</a></li>

<li><a href="Drain_(plumbing)" title="Drain (plumbing)">Drain (plumbing)</a></li>

<li><a href="Drinking_water" title="Drinking water">Drinking water</a></li>

<li><a href="Friction_loss" title="Friction loss">Friction loss</a></li>

<li><a href="Grade_(slope)" title="Grade (slope)">Grade (slope)</a></li>

<li><a href="Greywater" title="Greywater">Greywater</a></li>

<li><a href="Hydrostatic_loop" title="Hydrostatic loop">Hydrostatic loop</a></li>

<li><a href="Neutral_axis" title="Neutral axis">Neutral axis</a></li>

<li><a href="Onsite_sewage_facility" title="Onsite sewage facility">Onsite sewage facility</a></li>

<li><a href="Pressure" title="Pressure">Pressure</a></li>

<li><a href="Sanitary_sewer" title="Sanitary sewer">Sanitary sewer</a></li>

<li><a href="Sewer_gas" title="Sewer gas">Sewer gas</a></li>

<li><a href="Sewage" title="Sewage">Sewage</a></li>

<li><a href="Sewerage" title="Sewerage">Sewerage</a></li>

<li><a href="Siphon" title="Siphon">Siphon</a></li>

<li><a href="Storm_drain" title="Storm drain">Storm sewer</a></li>

<li><a href="Stormwater" title="Stormwater">Stormwater</a></li>

<li><a href="Surface_tension" title="Surface tension">Surface tension</a></li>

<li><a href="Tap_water" title="Tap water">Tap water</a></li>

<li><a href="Thermal_expansion" title="Thermal expansion">Thermal expansion</a></li>

<li><a href="Thermal_insulation" title="Thermal insulation">Thermal insulation</a></li>

<li><a href="Thermosiphon" title="Thermosiphon">Thermosiphon</a></li>

<li><a href="Trap_(plumbing)" title="Trap (plumbing)">Trap (plumbing)</a></li>

<li><a href="Venturi_effect" title="Venturi effect">Venturi effect</a></li>

<li><a href="Wastewater" title="Wastewater">Wastewater</a></li>

<li><a href="Hydraulic_shock" title="Hydraulic shock">Water hammer</a></li>

<li><a href="Water_supply_network" title="Water supply network">Water supply network</a></li>

<li><a href="Water_table" title="Water table">Water table</a></li>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technology</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Brazing" title="Brazing">Brazing</a></li>

<li><a href="British_Standard_Pipe" title="British Standard Pipe">British Standard Pipe</a> (BSP)</li>

<li><a href="Chemical_drain_cleaners" title="Chemical drain cleaners">Chemical drain cleaners</a></li>

<li><a href="Compression_fitting" title="Compression fitting">Compression fitting</a></li>

<li><a href="Copper_tubing" title="Copper tubing">Copper tubing</a></li>

<li><a href="Crimp_(joining)" title="Crimp (joining)">Crimp (joining)</a></li>

<li><a href="Drain-waste-vent_system" title="Drain-waste-vent system">Drain-waste-vent system</a></li>

<li><a href="Ductile_iron_pipe" title="Ductile iron pipe">Ductile iron pipe</a></li>

<li><a href="Flare_fitting" title="Flare fitting">Flare fitting</a></li>

<li><a href="Garden_hose_thread" class="mw-redirect" title="Garden hose thread">Garden Hose Thread</a> (GHT)</li>

<li><a href="Gasket" title="Gasket">Gasket</a></li>

<li><a href="Hydronics" title="Hydronics">Hydronics</a></li>

<li><a href="Leak_detection" title="Leak detection">Leak detection</a></li>

<li><a href="National_pipe_thread" title="National pipe thread">National pipe thread</a> (NPT)</li>

<li><a href="Nominal_Pipe_Size" title="Nominal Pipe Size">Nominal Pipe Size</a> (NPS)</li>

<li><a href="Oakum" title="Oakum">Oakum</a></li>

<li><a href="Pipe_(fluid_conveyance)" title="Pipe (fluid conveyance)">Pipe (fluid conveyance)</a></li>

<li><a href="Pipe_support" title="Pipe support">Pipe support</a></li>

<li><a href="Plastic_pipework" title="Plastic pipework">Plastic pipework</a></li>

<li><a href="Push-to-pull_compression_fittings" title="Push-to-pull compression fittings">Push-to-pull compression fittings</a></li>

<li><a href="Putty" title="Putty">Putty</a></li>

<li><a href="Sealant" title="Sealant">Sealant</a></li>

<li><a href="Sewage_pumping" title="Sewage pumping">Sewage pumping</a></li>

<li><a href="Soldering" title="Soldering">Soldering</a></li>

<li><a href="Solvent_welding" class="mw-redirect" title="Solvent welding">Solvent welding</a></li>

<li><a href="Swaging" title="Swaging">Swaging</a></li>

<li><a href="Thread_seal_tape" title="Thread seal tape">Thread seal tape</a></li>

<li><a href="Threaded_pipe" title="Threaded pipe">Threaded pipe</a></li>

<li><a href="Tube_bending" title="Tube bending">Tube bending</a></li>

<li><a href="Water_heat_recycling" title="Water heat recycling">Water heat recycling</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Components</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Atmospheric_vacuum_breaker" title="Atmospheric vacuum breaker">Atmospheric vacuum breaker</a></li>

<li><a href="Automatic_bleeding_valve" title="Automatic bleeding valve">Automatic bleeding valve</a></li>

<li><a href="Automatic_faucet" title="Automatic faucet">Automatic faucet</a></li>

<li><a href="Backflow_prevention_device" title="Backflow prevention device">Backflow prevention device</a></li>

<li><a href="Ball_valve" title="Ball valve">Ball valve</a></li>

<li><a href="Bleed_screw" title="Bleed screw">Bleed screw</a></li>

<li><a href="Booster_pump" title="Booster pump">Booster pump</a></li>

<li><a href="Butterfly_valve" title="Butterfly valve">Butterfly valve</a></li>

<li><a href="Check_valve" title="Check valve">Check valve</a></li>

<li><a href="Chemigation_valve" title="Chemigation valve">Chemigation valve</a></li>

<li><a href="Chopper_pump" title="Chopper pump">Chopper pump</a></li>

<li><a href="Circulator_pump" title="Circulator pump">Circulator pump</a></li>

<li><a href="Cistern" title="Cistern">Cistern</a></li>

<li><a href="Closet_flange" title="Closet flange">Closet flange</a></li>

<li><a href="Concentric_reducer" title="Concentric reducer">Concentric reducer</a></li>

<li><a href="Condensate_pump" title="Condensate pump">Condensate pump</a></li>

<li><a href="Coupling_(piping)" title="Coupling (piping)">Coupling (piping)</a></li>

<li><a href="Diaphragm_valve" title="Diaphragm valve">Diaphragm valve</a></li>

<li><a href="Dielectric_union" class="mw-redirect" title="Dielectric union">Dielectric union</a></li>

<li><a href="Double_check_valve" title="Double check valve">Double check valve</a></li>

<li><a href="Eccentric_reducer" title="Eccentric reducer">Eccentric reducer</a></li>

<li><a href="Expansion_tank" title="Expansion tank">Expansion tank</a></li>

<li><a href="Faucet_aerator" title="Faucet aerator">Faucet aerator</a></li>

<li><a href="Float_switch" title="Float switch">Float switch</a></li>

<li><a href="Ballcock" title="Ballcock">Float valve</a></li>

<li><a href="Floor_drain" title="Floor drain">Floor drain</a></li>

<li><a href="Flow_limiter" title="Flow limiter">Flow limiter</a></li>

<li><a href="Flushing_trough" title="Flushing trough">Flushing trough</a></li>

<li><a href="Flushometer" title="Flushometer">Flushometer</a></li>

<li><a href="Gate_valve" title="Gate valve">Gate valve</a></li>

<li><a href="Globe_valve" title="Globe valve">Globe valve</a></li>

<li><a href="Grease_trap" title="Grease trap">Grease trap</a></li>

<li><a href="Grinder_pump" title="Grinder pump">Grinder pump</a></li>

<li><a href="Hose_coupling" title="Hose coupling">Hose coupling</a></li>

<li><a href="Manifold_(fluid_mechanics)" title="Manifold (fluid mechanics)">Manifold</a></li>

<li><a href="Needle_valve" title="Needle valve">Needle valve</a></li>

<li><a href="Nipple_(plumbing)" title="Nipple (plumbing)">Nipple (plumbing)</a></li>

<li><a href="Pinch_valve" title="Pinch valve">Pinch valve</a></li>

<li><a href="Piping_and_plumbing_fitting" title="Piping and plumbing fitting">Piping and plumbing fitting</a></li>

<li><a href="Plug_(sanitation)" title="Plug (sanitation)">Plug (sanitation)</a></li>

<li><a href="Pressure_regulator" title="Pressure regulator">Pressure regulator</a></li>

<li><a href="Pressure_vacuum_breaker" title="Pressure vacuum breaker">Pressure vacuum breaker</a></li>

<li><a href="Pressure-balanced_valve" title="Pressure-balanced valve">Pressure-balanced valve</a></li>

<li><a href="Radiator_(heating)" title="Radiator (heating)">Radiator (heating)</a></li>

<li><a href="Reduced_pressure_zone_device" title="Reduced pressure zone device">Reduced pressure zone device</a></li>

<li><a href="Reducer" class="mw-redirect" title="Reducer">Reducer</a></li>

<li><a href="Relief_valve" title="Relief valve">Relief valve</a></li>

<li><a href="Riser_clamp" title="Riser clamp">Riser clamp</a></li>

<li><a href="Rooftop_water_tower" title="Rooftop water tower">Rooftop water tower</a></li>

<li><a href="Safety_valve" title="Safety valve">Safety valve</a></li>

<li><a href="Sewage_pumping" title="Sewage pumping">sewage pumping</a></li>

<li><a href="Street_elbow" title="Street elbow">Street elbow</a></li>

<li><a href="Submersible_pump" title="Submersible pump">Submersible pump</a></li>

<li><a href="Tap_(valve)" title="Tap (valve)">Tap (valve)</a></li>

<li><a href="Thermostatic_mixing_valve" title="Thermostatic mixing valve">Thermostatic mixing valve</a></li>

<li><a href="Trench_drain" title="Trench drain">Trench drain</a></li>

<li><a href="Vacuum_breaker" title="Vacuum breaker">Vacuum breaker</a></li>

<li><a href="Vacuum_ejector" title="Vacuum ejector">Vacuum ejector</a></li>

<li><a href="Valve" title="Valve">Valve</a></li>

<li><a href="Water_tank" title="Water tank">Water tank</a></li>

<li><a href="Zone_valve" title="Zone valve">Zone valve</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Plumbing_fixture" title="Plumbing fixture">Plumbing fixtures</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Accessible_bathtub" title="Accessible bathtub">Accessible bathtub</a></li>

<li><a href="Bathtub" title="Bathtub">Bathtub</a></li>

<li><a href="Bidet" title="Bidet">Bidet</a></li>

<li><a href="Dehumidifier" title="Dehumidifier">Dehumidifier</a></li>

<li><a href="Dishwasher" title="Dishwasher">Dishwasher</a></li>

<li><a href="Drinking_fountain" title="Drinking fountain">Drinking fountain</a></li>

<li><a href="Electric_water_boiler" title="Electric water boiler">Electric water boiler</a></li>

<li><a href="Evaporative_cooler" title="Evaporative cooler">Evaporative cooler</a></li>

<li><a href="Flush_toilet" title="Flush toilet">Flush toilet</a></li>

<li><a href="Garbage_disposal_unit" title="Garbage disposal unit">Garbage disposal unit</a></li>

<li><a href="Hot_water_storage_tank" title="Hot water storage tank">Hot water storage tank</a></li>

<li><a href="Humidifier" title="Humidifier">Humidifier</a></li>

<li><a href="Icemaker" title="Icemaker">Icemaker</a></li>

<li><a href="Instant_hot_water_dispenser" title="Instant hot water dispenser">Instant hot water dispenser</a></li>

<li><a href="Laundry_room" title="Laundry room">Laundry tub</a></li>

<li><a href="Shower" title="Shower">Shower</a>

<ul><li><a href="Water_recycling_shower" title="Water recycling shower">water recycling shower</a></li></ul></li>

<li><a href="Storage_water_heater" title="Storage water heater">Storage water heater</a></li>

<li><a href="Tankless_water_heating" title="Tankless water heating">Tankless water heating</a></li>

<li><a href="Urinal" title="Urinal">Urinal</a></li>

<li><a href="Washing_machine" title="Washing machine">Washing machine</a></li>

<li><a href="Washlet" title="Washlet">Washlet</a></li>

<li><a href="Water_dispenser" title="Water dispenser">Water dispenser</a></li>

<li><a href="Water_filter" title="Water filter">Water filter</a></li>

<li><a href="Water_heating" title="Water heating">Water heating</a></li>

<li><a href="Water_softening" title="Water softening">Water softening</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specialized tools</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Basin_wrench" title="Basin wrench">Basin wrench</a></li>

<li><a href="Blowtorch" title="Blowtorch">Blowtorch</a></li>

<li><a href="Borescope" title="Borescope">Borescope</a></li>

<li><a href="Core_drill" title="Core drill">Core drill</a></li>

<li><a href="Drain_cleaner" title="Drain cleaner">Drain cleaner</a></li>

<li><a href="Driving_cap" title="Driving cap">Driving cap</a></li>

<li><a href="Flare-nut_wrench" class="mw-redirect" title="Flare-nut wrench">Flare-nut wrench</a></li>

<li><a href="Pipecutter" title="Pipecutter">Pipecutter</a></li>

<li><a href="Pipe_wrench" title="Pipe wrench">Pipe wrench</a></li>

<li><a href="Plumber's_snake" title="Plumber's snake">Plumber's snake</a></li>

<li><a href="Plumber_wrench" title="Plumber wrench">Plumber wrench</a></li>

<li><a href="Plunger" title="Plunger">Plunger</a></li>

<li><a href="Strap_wrench" title="Strap wrench">Strap wrench</a></li>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Measurement<br>and control</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Control_valve" title="Control valve">Control valve</a></li>

<li><a href="Flow_measurement" title="Flow measurement">Flow sensor</a></li>

<li><a href="Pressure_sensor" class="mw-redirect" title="Pressure sensor">Pressure sensor</a></li>

<li><a href="Water_detector" title="Water detector">Water detector</a></li>

<li><a href="Water_metering" title="Water metering">Water metering</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Professions,<br>trades,<br>and services</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Hydronic_balancing" title="Hydronic balancing">Hydronic balancing</a></li>

<li><a href="Hydrostatic_test" title="Hydrostatic test">Hydrostatic testing</a></li>

<li><a href="Leak_detection" title="Leak detection">Leak detection</a></li>

<li><a href="Mechanical%2C_electrical%2C_and_plumbing" title="Mechanical, electrical, and plumbing">Mechanical, electrical, and plumbing</a></li>

<li><a href="Pipe_marking" title="Pipe marking">Pipe marking</a></li>

<li><a href="Pipefitter" title="Pipefitter">Pipefitter</a></li>

<li><a href="Pipelayer" title="Pipelayer">Pipelayer</a></li>

<li><a href="Plumber" title="Plumber">Plumber</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Industry <br>organizations <br>and standards</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="IAPMO" title="IAPMO">International Association of Plumbing and Mechanical Officials (IAPMO)</a></li>

<li><a href="NSF_International" title="NSF International">NSF International</a></li>

<li><a href="Plumbing_%26_Drainage_Institute" title="Plumbing & Drainage Institute">Plumbing & Drainage Institute (PDI)</a></li>

<li><a href="Uniform_Plumbing_Code" title="Uniform Plumbing Code">Uniform Plumbing Code (UPC)</a></li>

<li><a href="World_Plumbing_Council" title="World Plumbing Council">World Plumbing Council (WPC)</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Health and safety</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul>

<li><a href="Scalding" title="Scalding">Scalding</a></li>

<li><a href="Waterborne_disease" title="Waterborne disease">Waterborne disease</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">See also</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0;text-align: middle;"><div style="padding:0 0.25em">

<ul><li><a href="Fire_sprinkler_system" title="Fire sprinkler system">Fire sprinkler system</a></li>

<li><a href="Piping" title="Piping">Piping</a></li>

<li>Template:HVAC</li>

<li>Template:Public health</li>

<li>Template:Sewerage</li>

<li>Template:Human waste elimination</li>

<li>Template:Wastewater</li></ul>

</div></td></tr></tbody></table></div>

<p><br>

</p>

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