2026 5-Cities Plus Conference Registration

Registration is now open for the 2026 Five Cities Plus Conference in St. Louis! Join wastewater and stormwater professionals from across the Midwest for three days of collaboration, innovation, and networking.

Before the conference officially begins, tee off with us Monday at our optional 9-hole golf tournament; a casual and enjoyable way to network, reconnect, and start the conference on a great note.

We look forward to seeing you in St. Louis this September!

Schedule at a Glance

  • Optional Golf Tournament
  • Registration
  • Welcome Reception Dinner
  • Breakfast
  • Opening Program
  • Breakout Sessions
  • Lunch
  • Breakout Sessions
  • St. Louis Union Station Network and Social Event
  • Breakfast
  • Breakout Sessions
  • Closing Program

Step 1: Submit Registration Form

Please complete the registration form below for each attendee.

👉 This step is needed for ALL registrants, regardless of payment method.

St. Louis Conference Attendee Registration


For Conference Registration, Please Choose One

200USD
350USD
* If company is not listed, choose "Other" and fill in company name below.
If a consultant organization, enter your company's name here.

Please enter your work address.
If outside US, please include City, Province (if applicable), Postal Code, and Country.

In order to help us plan for meals and other events during this conference, please indicate your interest in attending. Welcome Reception and Social Event at Union Station are included in conference fee.


Step 2: Choose Your Payment Method

After submitting the form, please complete your payment using one of the options below. If you would like a written invoice, please contact Wendi Comello at wcomello@stlmsd.com.

👉 If paying by check, please mail your check to:

Five Cities Plus
c/o Metropolitan St. Louis Sewer District
Attn: Wendi Comello / Registration
2350 Market Street
St. Louis, MO 63103

👉 If you would prefer to pay online, click the button below to submit your registration payment securely online:

Don’t forget to sign up for the Golf Tournament!

It is only $125 per player (Includes green fee, cart, lunch choice, and 2 drinks)

Link below: