# Residential Waste Water Systems (IPC 2009 Chapter 11) > This chapter establishes the provisions and requirements for the design, installation, and maintenance of residential waste water systems. - Canonical: https://harth.build/resources/building-codes/us-states/pennsylvania/ipc-2009/residential-waste-water-systems/ ## Direct answer and reference scope Residential Waste Water Systems (IPC 2009 Chapter 11) is presented here as a reference within the IPC 2009 collection for Pennsylvania. This chapter establishes the provisions and requirements for the design, installation, and maintenance of residential waste water systems. Use the [Pennsylvania Department of Labor and Industry](https://www.pa.gov/agencies/dli/programs-services/labor-management-relations/bureau-of-occupational-and-industrial-safety/uniform-construction-code-home) to confirm the code edition currently adopted for the project, and compare the model text with state amendments, local amendments, effective dates and the permit authority's interpretation. The [ICC code library](https://codes.iccsafe.org/codes) is the model-code publication path. This Harth page is a searchable reference transcription, not an official code publication, legal opinion or confirmation that this edition controls a particular address. Record the project jurisdiction, application date, occupancy, construction type and amendment set before relying on a section. Where this page conflicts with an official publication or the authority having jurisdiction, the official source controls. This duplicate source record is retained for route compatibility, marked noindex, and canonicalized to [/building-codes/us-states/new-hampshire/ipc-2009/residential-waste-water-systems](https://harth.build/resources/building-codes/us-states/new-hampshire/ipc-2009/residential-waste-water-systems.md). _Authored and prepared by Harth. Review scope: official verification path added; code text and current local applicability have not been independently reviewed._ _This chapter establishes the provisions and requirements for the design, installation, and maintenance of residential waste water systems._ ## 1101 — General 1101.1 Scope. The provisions of this chapter shall govern residential waste water systems. 1101.2 Residential waste water treatment systems. The regulations for materials, design, construction and performance shall comply with NSF 40. ## Frequently asked questions ### What types of buildings are covered by this chapter? This chapter specifically governs waste water systems in residential buildings. ### Does this chapter apply to commercial or industrial waste water systems? No, the scope of this chapter is limited to residential waste water systems only. --- - Continue in Harth (open this topic in the Harth agent): https://app.harth.build/agent?context=%2Fresources%2Fbuilding-codes%2Fus-states%2Fpennsylvania%2Fipc-2009%2Fresidential-waste-water-systems%2F - View this page in a browser: https://harth.build/resources/building-codes/us-states/pennsylvania/ipc-2009/residential-waste-water-systems/ - All resources for agents: https://harth.build/llms.txt