Welcome to BJSoftware

BJSoftware has been designing on-lot septic systems in Pennsylvania using its proprietary software since 1982. Read more about us here…

Are you building or need a repair and want BJSoftware to design a septic system for you?

To have us design a septic system for you, you'll need to download our form, fill it out, and return it to us and pay for it at PayPal. We generally turn them within a day if the form is filled out correctly.

• Download a septic system design request form
• Pay for a septic system design on-line

Are you a sewage professional and want to use our software to design septic systems yourself?

We license our software to sewage professionals across Pennsylvania. Read more about it here...

• Questions frequently asked about Sewers software
• Apply to use Sewers software
• Download Sewers software
• Read news about the software (software update blog)
• Pay a missed license fee
• Test our license and support servers
• Guidance documents and other resources from PA DEP