DEP_9921_Croton Water Treatment Plant
Other - Public Services in New York City, NY · 3701 Jerome Ave · 10467
At a glance
DEP_9921_Croton Water Treatment Plant is a 456,500-square-foot other - public services building at 3701 Jerome Ave in New York City, New York, built in 1943. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 509.9 kBtu/ft² and 21,133 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 509.9 kBtu/ft² |
| Source EUI | 1077.8 kBtu/ft² |
| GHG emissions | 21,133 tCO₂e |
| GHG intensity | 46.3 kgCO₂e/ft² |
| Electricity | 41,472,219 kWh |
| Natural gas | 912,645 therms |
| Gross floor area | 456,500 sq ft |
| Source record | nyc:33910501:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 509.9 kBtu/ft² | 21,133 tCO₂e | |
| 2023 | — | 416.2 kBtu/ft² | 16,026 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 3701 Jerome Ave
- City
- New York City
- State
- New York
- ZIP
- 10467
- Coordinates
- 40.88702, -73.87810
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does DEP_9921_Croton Water Treatment Plant compare with other other - public services buildings in New York City?
The latest disclosures cover 118 other - public services buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 509.9 kBtu/ft² is about 335% above the average of 117.1 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 46.3 kgCO₂e/ft² is about 392% above the group average of 9.4 kgCO₂e/ft².
At 456,500 sq ft, it is about 954% above the average floor area of 43,324 sq ft for those buildings. Its 1943 construction date is close to the group's average year built (1944). Across all 24 jurisdictions BuildingCensus covers, the 346 other - public services buildings average an ENERGY STAR score of 34 and a site EUI of 83.8 kBtu/ft².
How has DEP_9921_Croton Water Treatment Plant's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for DEP_9921_Croton Water Treatment Plant, covering report years 2023–2024. Site EUI moved from 416.2 kBtu/ft² (2023) to 509.9 kBtu/ft² (2024), an 23% increase. Reported emissions went from 16,026 tCO₂e to 21,133 tCO₂e over the same span (up 32%).
What does a site EUI of 509.9 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. DEP_9921_Croton Water Treatment Plant's 509.9 kBtu/ft² across 456,500 sq ft works out to about 232.8 billion Btu (68,218 MWh-equivalent) in 2024. Its source EUI of 1077.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 41,472,219 kWh of electricity and 912,645 therms of natural gas for the year.
Which law requires DEP_9921_Croton Water Treatment Plant to report its energy use?
DEP_9921_Croton Water Treatment Plant reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:33910501:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
More other - public services buildings in New York City
- GDI Construction, LLC:1 WEST KINGSBRIDGE ROAD· 385,692 sq ft · EUI 42.6 kBtu/ft²
- Benchmarking Group - 9· 347,754 sq ft · EUI 49.2 kBtu/ft²
- 720 East 132nd Street· 297,592 sq ft · EUI 100.5 kBtu/ft²
- GDI Construction, LLC.:825 East 141 Street· 275,000 sq ft · EUI 5.6 kBtu/ft²
- FDNY_3619_Fire Academy: Fire Academy· 161,858 sq ft · EUI 105.8 kBtu/ft²
- Action Environmental - Bronx· 155,778 sq ft · EUI 37.6 kBtu/ft²
- Other - Public Services buildings in New York City· 118 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is DEP_9921_Croton Water Treatment Plant's energy grade?
DEP_9921_Croton Water Treatment Plant did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 509.9 kBtu/ft².
How much energy does DEP_9921_Croton Water Treatment Plant use?
Its 2024 site energy-use intensity was 509.9 kBtu/ft² (1077.8 kBtu/ft² source) across 456,500 sq ft, including 41,472,219 kWh of electricity and 912,645 therms of natural gas.
What are DEP_9921_Croton Water Treatment Plant's carbon emissions?
DEP_9921_Croton Water Treatment Plant reported 21,133 tCO₂e of greenhouse-gas emissions (46.3 kgCO₂e/ft²) for 2024.
Where is DEP_9921_Croton Water Treatment Plant?
DEP_9921_Croton Water Treatment Plant is at 3701 Jerome Ave, in New York City, New York 10467. Its coordinates are 40.88702, -73.87810 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is DEP_9921_Croton Water Treatment Plant and when was it built?
DEP_9921_Croton Water Treatment Plant has 456,500 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1943 as its year built. It is classed as other - public services.
Is DEP_9921_Croton Water Treatment Plant covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “DEP_9921_Croton Water Treatment Plant, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/dep-9921-croton-water-treatment-plant-60cdb613 (data as of October 2, 2026).