Hilton Denver City Center
1701 California Street
Denver, CO 80202

The Hilton Denver City Center is a beautiful hotel in downtown Denver, Colorado, offering panoramic views of the Rocky Mountains and the city skyline. CLEAN WATERWAYS will take place at the Hilton Denver City Center and it is also the host hotel for the Conference.

Located in the heart of the Mile High City, this upscale Denver hotel is situated in close proximity to the business, shopping, and entertainment districts, and is blocks from 16th Street Mall, Larimer Square and Coors Field, with easy access to the city’s top attractions.

Rate: $195/night + taxes
Cut-off date: March 11, 2023
Cancellation Policy: Please cancel 72 hours before arrival date to avoid one night room and tax charges.


Self-parking: $34/day – located at 1820 California Street
Valet parking: $54/day


United Airlines
We are pleased to partner with United Airlines for air travel to our upcoming event. To make flight reservations online please click on discount code ZKKK611061. MileagePlus members earn Premier Qualifying Dollars and miles for their travel.

You may also call United Meeting Reservation Desk at (800) 426 – 1122

Monday – Friday 8:00 a.m. – 10:00 p.m. Eastern Time
Saturday – Sunday 8:00 a.m. – 6:00 p.m. Eastern Time

Booking fees are waived for Meeting reservations. International customers may contact their local United Reservation Desk.

Delta Air Lines
Delta Air Lines is pleased to offer special discounts for CLEAN WATERWAYS. Please click here to book your flights!

You may also call Delta Meeting Network® at 1.800.328.1111* Monday–Friday, 7:00 a.m. – 7:30 p.m. (CT) and refer to Meeting Event Code NMV9L

*Please note there is not a service fee for reservations booked and ticketed via our reservation 800 number.