Whalen Designs LLC — designing residential and commercial septic systems for over 35 years.

Whalen Designs LLC is a trusted septic design firm. We are happy to provide for all you septic system needs including:

  • Site Evaluations
  • Drainfield Designs
  • New Construction
  • Repair/Alteration Designs
  • Multifamily
  • Commercial (up to 3500 gals/day)
  • Ground-Penatrating Radar
  • Video diagnostic servies including pipe inspection and pipe locating

An improperly designed septic system can have unnecessary installation cost. Don't hire just anyone to design your septic system. Our 35+ years experience gives us unequalled knowledge to handle difficult sites, while meeting the clients septic system needs. Whether it's a drip field, sand filter, or any other type of septic system, we can provide quality evaluations, cost estimates, and design consultation.


Is your alarm going off? Or, are you having problems with your drainfield?
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Whalen Designs LLC is now offering Ground Penatrating Radar and private utilities locating services.
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