William H. Rumsey Aquatic Center
Fitness Center/Health Club/Gym in Washington, DC, DC · 635 North Carolina Avenue SE · 20003
At a glance
William H. Rumsey Aquatic Center is a 20,584-square-foot fitness center/health club/gym at 635 North Carolina Avenue SE in Washington, DC, built in 1880. In its 2024 Washington, DC benchmarking disclosure it reported a site energy-use intensity of 287.0 kBtu/ft² and 362 tCO₂e of greenhouse-gas emissions.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 287.0 kBtu/ft² |
| Source EUI | 454.9 kBtu/ft² |
| GHG emissions | 362 tCO₂e |
| GHG intensity | 17.6 kgCO₂e/ft² |
| Electricity | 529,252 kWh |
| Natural gas | 41,015 therms |
| Gross floor area | 20,584 sq ft |
| Source record | dc:PM12004525:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 287.0 kBtu/ft² | 362 tCO₂e | |
| 2023 | — | 230.6 kBtu/ft² | 296 tCO₂e | |
| 2022 | — | 234.0 kBtu/ft² | 313 tCO₂e | |
| 2021 | — | 289.4 kBtu/ft² | 396 tCO₂e | |
| 2020 | — | 244.2 kBtu/ft² | 342 tCO₂e | |
| 2019 | — | 314.9 kBtu/ft² | 436 tCO₂e |
Compliance context
Clean and Affordable Energy Act / BEPS
DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.
Ownership
DISTRICT OF COLUMBIA
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Location
- Address
- 635 North Carolina Avenue SE
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20003
- Coordinates
- 38.88641, -76.99647
Within ~1 km
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See also: most efficient in Washington, DC · biggest emitters
How does William H. Rumsey Aquatic Center compare with other fitness center/health club/gym buildings in Washington, DC?
The latest disclosures cover 52 fitness center/health club/gym buildings in Washington, DC, out of 6,870 buildings citywide. Its site EUI of 287.0 kBtu/ft² is about 167% above the average of 107.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 17.6 kgCO₂e/ft² is about twice the group average of 8.2 kgCO₂e/ft².
At 20,584 sq ft, it is about 43% below the average floor area of 35,972 sq ft for those buildings. It was built in 1880, 89 years earlier than the group's average year built (1969). Across all 24 jurisdictions BuildingCensus covers, the 399 fitness center/health club/gym buildings average an ENERGY STAR score of 89 and a site EUI of 112.4 kBtu/ft².
How has William H. Rumsey Aquatic Center's energy performance changed over time?
BuildingCensus holds 6 Washington, DC disclosures for William H. Rumsey Aquatic Center, covering report years 2019–2024. Site EUI moved from 314.9 kBtu/ft² (2019) to 287.0 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 436 tCO₂e to 362 tCO₂e over the same span (down 17%).
What does a site EUI of 287.0 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. William H. Rumsey Aquatic Center's 287.0 kBtu/ft² across 20,584 sq ft works out to about 5.9 billion Btu (1,731 MWh-equivalent) in 2024. Its source EUI of 454.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 529,252 kWh of electricity and 41,015 therms of natural gas for the year.
Which law requires William H. Rumsey Aquatic Center to report its energy use?
William H. Rumsey Aquatic Center reports under the Clean and Affordable Energy Act / BEPS, the legal basis of Washington, DC's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record dc:PM12004525:2024). DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.
More fitness center/health club/gym buildings in Washington, DC
- Anacostia Recreation Center and Pool· 17,709 sq ft · EUI 50.8 kBtu/ft²
- Kennedy Recreation Center· 17,262 sq ft · EUI 88.4 kBtu/ft²
- Kennedy Recreation Center· 17,262 sq ft · EUI 113.3 kBtu/ft²
- North Michigan Park Recreation Center· 16,905 sq ft · EUI 99.1 kBtu/ft²
- North Michigan Park Recreation Center· 16,905 sq ft · EUI 93.1 kBtu/ft²
- King Greenleaf Recreation Center· 15,960 sq ft · EUI 86.7 kBtu/ft²
- Fitness Center/Health Club/Gym buildings in Washington, DC· 52 benchmarked
- All Washington, DC benchmarked buildings· Clean and Affordable Energy Act / BEPS
- Most efficient large buildings in Washington, DC
- Least efficient large buildings in Washington, DC
- Biggest emitters in Washington, DC
Frequently asked questions
What is William H. Rumsey Aquatic Center's energy grade?
William H. Rumsey Aquatic Center did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 287.0 kBtu/ft².
How much energy does William H. Rumsey Aquatic Center use?
Its 2024 site energy-use intensity was 287.0 kBtu/ft² (454.9 kBtu/ft² source) across 20,584 sq ft, including 529,252 kWh of electricity and 41,015 therms of natural gas.
What are William H. Rumsey Aquatic Center's carbon emissions?
William H. Rumsey Aquatic Center reported 362 tCO₂e of greenhouse-gas emissions (17.6 kgCO₂e/ft²) for 2024.
Where is William H. Rumsey Aquatic Center?
William H. Rumsey Aquatic Center is at 635 North Carolina Avenue SE, in Washington, DC 20003. Its coordinates are 38.88641, -76.99647 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is William H. Rumsey Aquatic Center and when was it built?
William H. Rumsey Aquatic Center has 20,584 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1880 as its year built. It is classed as fitness center/health club/gym.
Is William H. Rumsey Aquatic Center covered by the Clean and Affordable Energy Act / BEPS?
Yes — it appears in the 2024 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Clean and Affordable Energy Act / BEPS.
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About this data
Source: Building Energy Benchmarking (Clean and Affordable Energy Act / BEPS), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “William H. Rumsey Aquatic Center, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/william-h-rumsey-aquatic-center-4eb67b40 (data as of July 9, 2026).