EPA TRI Facility · Other
Naval Base Guam-Apra Harbor WWTP
Santa Rita, GU · Parent: US Department of Defense
- Total releases
- 1.1M lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Water Discharges
WATER Form-R mix
Naval Base Guam-Apra Harbor WWTP: how the 1.1M lbs splits
1.1M lbs across all reported pathways
- Water Discharges 1.1M lbs 99.5%
- Land Disposal 6.0K lbs 0.5%
Naval Base Guam-Apra Harbor WWTP's 1.1M lbs Form-R total is WATER - water discharges is 99.5% of the bar. Next segment: land disposal at 0.5%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
HEAVY volume WATER pathway CLEAN
Naval Base Guam-Apra Harbor WWTP is an EPA Toxics Release Inventory reporter in Santa Rita, GU, in the other sector. It reported 200.5K lbs of releases across 1 chemical in 2023, and 1.1M lbs in total across its 2019-2023 reporting years. That ranks 1,214 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Guam's 10 reporting TRI sites, pounds #1 is not chemical-count #1. Naval Base Guam-Apra Harbor WWTP leads reported pounds (1.1M lbs) at 1 chemicals (chemical-count #10). Mobil Oil Guam Inc (cabras Island Terminal) leads chemical count at 14 chemicals (13.6K lbs, pounds #5). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Guam Power Authority; South Pacific Petroleum Corp; Mobil Oil Guam Inc (cabras Island Terminal); Tenjo Vista Power Plant. Similar-scale Other peers outside Guam: US Army Maneuver Support Center Imld-Pw-E; US Army Garrison Fort Knox; Richards Manufacturing Co; Carbo Ceramics Inc. - Toomsboro Facility. Other US Department of Defense sites in this extract: U.S. Army Radford Army Ammunition Plant; US Army Holston Army Ammunition Plant; McIeast-Mcb Camlej Main Facility; US Marine Corps Mcb Camp Pendleton. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
In-state chemical count is not the pounds ranking
Guam TRI reporters with pounds > 0 and chemicals > 0 (n=10)
- Mobil Oil Guam Inc (...
- Naval Base Guam-Apra... 1
What this shows Mobil Oil Guam Inc (cabras Island Terminal) leads Guam chemical count. Naval Base Guam-Apra Harbor WWTP leads reported pounds and sits at chemical-count #10. Chemical count is a disclosure mix, not toxicity or health risk.
Naval Base Guam-Apra Harbor WWTP stamps HEAVY volume with a dominant WATER pathway (99.5% water discharges) across 1 chemical. Cumulative Form-R extract: 1.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include US Army Maneuver Support Center Imld-Pw-E and US Army Garrison Fort Knox.
Naval Base Guam-Apra Harbor WWTP vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.1M lbs Top 5% higher than 95% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Naval Base Guam-Apra Harbor WWTP inside Guam's TRI pounds
Among the 632 Other facilities in this database, Naval Base Guam-Apra Harbor WWTP reports the 24th-largest volume, placing it in the top 3.8% of its sector. This one site accounts for 56.8% of every pound reported in Guam. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 100% of the total. Scale peers outside Guam include US Army Maneuver Support Center Imld-Pw-E and US Army Garrison Fort Knox.
County-dominant here means ≥25% of Guam's reported pounds (2.0M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Naval Base Guam-Apra Harbor WWTP's total reported releases fell from 212.0 thousand lb in 2022 to 200.5 thousand lb in 2023, based on EPA TRI filings.
- Naval Base Guam-Apra Harbor WWTP's land releases rose from 1.5 thousand lb in 2022 to 1.8 thousand lb in 2023, based on EPA TRI filings.
- Naval Base Guam-Apra Harbor WWTP's water releases fell from 210.5 thousand lb in 2022 to 198.7 thousand lb in 2023, based on EPA TRI filings.
Naval Base Guam-Apra Harbor WWTP Form-R facts
Compare this facility
See how Naval Base Guam-Apra Harbor WWTP stacks up against nearby facilities and the typical reporter.
48% more than the comparison
86% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Naval Base Guam-Apra Harbor WWTP releases toxic chemicals into the environment. Total: 1.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 13% (231.1K lbs to 200.5K lbs).
Naval Base Guam-Apra Harbor WWTP: annual Form-R pounds
HEAVY site · WATER pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Naval Base Guam-Apra Harbor WWTP year-over-year reported totals (decreased by 13% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 231.1K lbs | 1 |
| 2020 | 244.5K lbs | 1 |
| 2021 | 234.3K lbs | 1 |
| 2022 | 212.0K lbs | 1 |
| 2023 | 200.5K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1.1M lbs | - |
Naval Base Guam-Apra Harbor WWTP · WATER-pathway site
Nearest TRI Facilities to Naval Base Guam-Apra Harbor WWTP
Closest other reporters in Guam - including Guam Power Authority, South Pacific Petroleum Corp, Mobil Oil Guam Inc (cabras Island Terminal), ordered by distance.
Showing 8 of 9 other reporting facilities in Guam.
Similar Other Facilities
Other Other facilities with similar total release volumes (±80%), outside Guam - e.g. US Army Maneuver Support Center Imld-Pw-E, US Army Garrison Fort Knox, Richards Manufacturing Co.
Compare beyond Guam
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Naval Base Guam-Apra Harbor WWTP on cumulative reported pounds (1.1M lbs) and distinct chemical count (1). Release-pound peers include Tennessee Aluminum Processors Inc, US Army Maneuver Support Center Imld-Pw-E, Perdue Agribusiness LLC - Cofield Nc. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Tennessee Aluminum Processors Inc Mount Pleasant, TN · Primary Metals 1.1M lbs reported
- US Army Maneuver Support Center Imld-Pw-E Fort Leonard Wood, MO · Other 1.1M lbs reported
- Perdue Agribusiness LLC - Cofield Nc Cofield, NC · Food 1.1M lbs reported
- Empirical Foods (ssc) South Sioux City, NE · Food 1.1M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other US Department of Defense Facilities
Same-parent TRI sites ranked by reported releases - including U.S. Army Radford Army Ammunition Plant, US Army Holston Army Ammunition Plant, McIeast-Mcb Camlej Main Facility.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Guam Power Authority. Naval Base Guam-Apra Harbor WWTP stamps HEAVY volume · WATER pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Naval Base Guam-Apra Harbor WWTP TRI extract (HEAVY · WATER · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Naval Base Guam-Apra Harbor WWTP totals are self-reported EPCRA §313 estimates for Santa Rita, GU, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 928110 · Other. 56.8% of Guam TRI pounds in this extract. Nearest ABS peer: Tennessee Aluminum Processors Inc (Δ 63 lbs). Pounds ≠ exposure.
Naval Base Guam-Apra Harbor WWTP stamps HEAVY volume · WATER pathway · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov