Pentagon Reservation – Emissions Trend
Arlington, VA · 2019–2024 · Parent: US Department of Defense
This page assembles 6 consecutive years of EPA Toxics Release Inventory Form R filings for Pentagon Reservation, spanning 2019–2024. Each annual total aggregates on-site air emissions, surface-water discharges, land disposal, and off-site transfers reported by the facility under EPCRA Section 313, which requires disclosure whenever a listed chemical is manufactured, processed, or otherwise used above threshold quantities.
Reported releases opened at 757 in 2019 and closed at 341 in 2024 – a decrease of 55.0% over the window. The chart below stacks the four TRI release media (air, water, land, off-site) and overlays the yearly total. The top contributor by cumulative mass is Lead compounds at 628, followed by Lead And Lead Compounds at 602.
Because TRI figures are estimated, not metered, year-over-year deltas can reflect methodology revisions, ownership changes, or shifts in what a facility classifies as reportable, not only physical emission changes. Treat the trajectory as a disclosure record, and cross-reference with the EPA Enforcement and Compliance History Online (ECHO) system for the fuller regulatory picture on this other facility.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Pentagon Reservation's total reported releases rose from 162 lb in 2022 to 536 lb in 2023, based on EPA TRI filings.
- Pentagon Reservation's off-site transfers rose from 0 lb in 2022 to 111 lb in 2023, based on EPA TRI filings.
- Pentagon Reservation's chemicals reported rose from 1 in 2022 to 6 in 2023, based on EPA TRI filings.
- Pentagon Reservation's air releases rose from 162 lb in 2022 to 425 lb in 2023, based on EPA TRI filings.
Total Releases by Category
Year-over-Year Comparison
| Year | Total | Chemicals | YoY Change |
|---|---|---|---|
| 2019 | 757 lbs | 7 | - |
| 2020 | 399 lbs | 6 | -47.3% |
| 2021 | 418 lbs | 6 | +4.8% |
| 2022 | 162 lbs | 1 | -61.2% |
| 2023 | 536 lbs | 6 | +230.9% |
| 2024 | 341 lbs | 4 | -36.4% |
Top Chemicals by Year
| Chemical | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Total |
|---|---|---|---|---|---|---|---|
| Lead compounds | 338 | 142 | - | - | - | 148 | 628 |
| Lead And Lead Compounds | - | - | 161 | 162 | 279 | - | 602 |
| Naphthalene | 65 | 65 | 65 | - | 65 | 65 | 325 |
| 1,2,4-Trimethylbenzene | 64 | 64 | 64 | - | 64 | 64 | 320 |
| Biphenyl | 64 | 64 | 64 | - | 64 | 64 | 320 |
| Lead | 162 | - | - | - | - | - | 162 |
| Ethylbenzene | 32 | 32 | 32 | - | 32 | - | 128 |
| Cumene | 32 | 32 | 32 | - | 32 | - | 128 |
About This Data
Trend data is sourced from the EPA Toxic Release Inventory (TRI). Facilities report annually. Release quantities are self-reported estimates. Year-over-year changes may reflect changes in production, pollution control measures, reporting methodology, or chemical thresholds.
A decrease in reported releases does not necessarily indicate improved environmental performance, as it may reflect production cutbacks, facility closures, or changes in reporting requirements. Similarly, increases may reflect expanded production rather than degraded environmental practices.
Frequently Asked Questions
Is Pentagon Reservation getting cleaner or dirtier? ▼
What time period does this trend data cover? ▼
Read our methodology - how this data is sourced, computed, and verified.