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Private Sewage Disposal Systems - Septic Drawing Library
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• Septic system drawings, sketches, plans
• Illustrations of basic land forms and how they affect septic system installations
• Illustrations of septic tanks
• Illustrations and sketches of septic system distribution boxes, drainfields, lines
• Sketches of leach fields, seepage pits and other onsite waste disposal systems

Here are some sketches explaining septic system components and installations. These septic system illustrations help readers understand, identify, and possibly even locate buried onsite wastewater disposal and septic tank equipment at properties.

Some of the illustrations also show why septic systems, particularly drainfields may not be working. These drawings are for educational purposes and are not engineering plans or specifications. The septic consultants who are listed at our SEPTIC SYSTEMS HOME can provide that service for both traditional and alternative onsite waste disposal system designs. Click on the thumbnail sketches below to see each full-sized illustration. This website is provided as a non-profit public educational service - intended for on-line study.

The contents & illustrations seen here are all © copyright protected - If you see our material elsewhere please let us know.

© Copyright 2009 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

The color sketches below are courtesy of Purdue's Environmental Education Software Series. Educational software on diskettes is available from the Farm Building Plan Service, 1146 AGEN Building, Purdue University, W. Lafayette, IN. The black and white sketches are courtesy of Carson Dunlop Associates. The illustrations are shown here for educational purposes - are all © copyright protected and may not be duplicated or reproduced in any fashion, printed or electronic, without prior written permission.

Other documents throughout our website include photographs of various septic system components, site conditions, septic test and inspection tools, etc. To suggest needed sketches or to contribute drawings to this library contact us. Our main websites are at the bottom of this page.

BASIC LAND FORMS

RESIDENTIAL SEPTIC TANKS

DISTRIBUTION BOXES AND LINES

ABSORPTION SYSTEMS - Leach Fields, Seepage Pits, etc.

Click on the thumbnail sketches below to see each full-sized illustration.

Elevation-view sketch of a drywell or leaching pit or "seepage pit" system used for gray water. In this illustration the seepage pit is being used to dispose of graywater from non-sewage carrying drains such as a laundry, sink, or shower. Drywells to handle graywater separately from blackwater (sewage) are often used to reduce the water load on septic systems which have a limited effluent handling capacity. If the pit shown in this sketch were receiving sewage and blackwater from a building we would call it a cesspool, not a drywell.

Elevation-view and a second, plan-view sketch of common residential tank and leach-field layout.

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Use links just below or at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

SEPTIC SYSTEMS HOME
SEPTIC INFO ARTICLES
HOME BUYERS GUIDE to SEPTIC SYSTEMS
SEPTIC SYSTEMS ONLINE BOOK
SEPTIC PUMPING REPAIR
SEPTIC TREATMENTS
SEPTIC CONSULTANTS
SEPTIC AUTHORITIES
SEPTIC SYSTEM BOOKS REFS CODES
SEPTIC SYSTEM DESIGN MANUAL - Online
SEPTIC SYSTEM DESIGN BASICS
SEPTIC SYSTEM DESIGN ALTERNATIVES

• The black and white sketches are courtesy of Carson Dunlop Associates. Septic System Sketches courtesy of Carson Dunlop Associates, Toronto, Ontario. © 2009 - 1997 Carson Dunlop - all rights reserved - Copyright protected.
• The color septic design sketches shown here are courtesy of Purdue's Environmental Education Software Series. Educational software on diskettes is available from the Farm Building Plan Service, 1146 AGEN Building, Purdue University, W. Lafayette, IN.
• The illustrations are shown here for educational purposes - are all © copyright protected and may not be duplicated or reproduced in any fashion, printed or electronic, without prior written permission.

More Information on Building Diagnostic Inspections and Repairs

• SEPTIC SYSTEMS HOME Main Website Septic & Onsite Waste Disposal System Home Page
• SEPTIC SYSTEMS ONLINE BOOK online detailed book on septic system inspection and testing
• SEPTIC SYSTEM DESIGN BASICS: Choosing Septic Tank Size, Absorption System Size - basic septic system volume and absorption system design guides.

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