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The Chapin Design Company specializes in the design of ALL types of on-lot sewage disposal systems for both commercial and residential applications throughout Pennsylvania.  Since 1988, we have completed thousands of designs for hundreds of satisfied customers!

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Our Mission

We strive to always provide the best most accurate designs at very competitive pricing. 

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Company Profile

The Chapin Design Company was founded in 1988 with the directive of supplying quality designs at an affordable price.  In addition to septic system designs, the Chapin Design Company builds custom software products.  Please see the products and services pages for more information.


We are located in scenic mountains of northeastern Pennsylvania.  The above picture is of the valley that lies between the small village of Central, PA and Elk Grove, PA.

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Contact Information

For more information we can be contacted at the following:

Postal address
7 Moss Rd, Benton, PA 17814
Electronic mail
General Information: support@chapindesign.com
Sales: sales@chapindesign.com
Customer Support: support@chapindesign.com
Webmaster: webmaster@chapindesign.com


Send mail to webmaster@chapindesign.com with questions or comments about this web site.
Copyright 2009 Chapin Design Comapny
Last modified: 09/30/09