facilities not listed are closed
*All group fitness classes are cancelled beginning at 1pm on Wednesday, 11/25, through Sunday, 11/29.  Classes resume as scheduled on Monday, 11/30.
Wednesday, November 25
ERC 6am-8pm (natatorium closes 30 minutes prior); Ritchie 6am–6pm
Thursday, November 26
all facilities closed
Friday, November 27, and Saturday, November 28
ERC 8am-6pm (natatorium closes 30 minutes prior)
Sunday, November 29
ERC 10am-midnight (natatorium closes 30 minutes prior)

Rental Contact

Please direct all facility rental questions to or (301) 226-4404.  All formal requests should be submitted using Virtual EMS.

Virtual EMS - Facility Reservation Request


University of Maryland's state-of-art Natatorium

Located in the Eppley Recreation Center, the Natatorium features a instructional pool, a competition pool, diving boards, a steam-room and a sauna.

The instructional pool is a 25yd x 25yd pool with a zero-grade handicap ramp. The depths range from 3 to 4 1/2 ft. Temperature is maintained between 85 and 86 degrees, except during events.

The competition pool is a 50m x 25yd all deep-water pool. This pool also has two 1m diving boards and two 3m diving boards. The depths range from 8 feet to 13 1/2 feet. Temperature is maintained between 78-80 degrees year round.

The Natatorium is home to UMAC, University of Maryland Aquatic Club.

Outdoor Aquatic Center

The OAC is located adjacent to the ERC.

The Outdoor Aquatic Center features a recreational pool, a splash pool, vast deck space with deck and lounge chairs, and women's and men's locker rooms. The recreational pool dimensions are 25yd x 25m and ranges in depth from 3 1/2 to 13ft. This pool also has one 1m diving board. The splash pool is 40ft in diameter and goes from 1 to 2 1/2 ft deep. Its outstanding feature is a cascading mushroom fountain at the center.


OAC Hours of Operation, 2015 
Saturday, April 25 - Sunday, May 31:  12pm-7pm
Monday, June 1 - Sunday, August 30:  11am-8pm
Monday, August 31 - Sunday, October 4:  12pm-7pm

Outdoor Aquatic Center Weather Policies

The Outdoor Aquatic Center will open if the air temperature is forecasted to be 65 degrees or higher for the day.
The Weather Channel ( will be used for determining forecast and temperature.
Pools will close for 30 minutes and reopen 30 minutes after the last clap of thunder.  Pools will be cleared and patrons can remain on deck.
Pools will close for 30 minutes and reopen 30 minutes after last bolt of lightning. All staff and patrons should exit the deck and seek shelter in the OAC locker rooms or the ERC. DO NOT USE THE SHOWERS!
Pools will remain open as long as main drains are visible from lifeguard stand
After hearing the tornado sirens, quickly evacuate to the ERC basement (by Equipment Issue). Patrons are strongly encouraged to go inside the ERC but are not required and may leave on their own recognizance.