Monday, March 19, 2018 at 8:00 AM EDT
Tuesday, March 20, 2018 at 4:00 PM EDT

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The Manchester Downtown Hotel (formerly Radisson) 
700 Elm St
Manchester, NH 03101

Driving Directions 


Dee Rainville 

31st Annual 
GSDI Spring Conference & Expo

March 19-20, 2018 

The Manchester
Downtown Hotel
(formerly Radisson)
Manchester, NH 

Our two-day conference is THE industry event of the year where you may earn all six of your continuing education contact hours good for the renewal of your NH septic designers and/or installers permit!

Seating is limited, so don't miss out on this one-stop opportunity!

Fulfill your continuing education requirements for the 2017-2018 renewal period by registering for both days!

NOTE: Program now approved by NHDES for 3 continuing education contact hours for state-permitted designers and installers.

Approved also for ME Evaluators, certified installers and certified inspectors, VT Class A and Class B licensed designers.  MA (NEIWPCC) soil evaluators and system inspectors credits pending.

We strongly encourage all to register online using a credit card or by checking "pay by check" and mailing in your payment before the convention.

Click here to review the tentative program schedule, topics and presenters and paper registration form.


You must register BEFORE Monday, March 12, 2018 or you will be considered a WALK-IN and incur and extra $40 fee!

Register Now!