U S ARMY CORPS OF ENGINEERS MCMILLAN WTP AQUEDUCT DIV
Quick Summary
- •Released 20,585 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
2500 1ST ST. N.W.
WASHINGTON, DC 20001
View on map ↗ - County
- DISTRICT OF COLUMBIA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221310
- Inspections
- 2 · last Mar 26, 2026
- Total Penalties
- $0
- Registry ID
- 110000500832
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 20,313 | — |
| 2016 | 19,484 | -4% |
| 2017 | 20,585 | +6% |
| 2018 | 22,188 | +8% |
| 2019 | 17,503 | -21% |
| 2020 | 15,306 | -13% |
| 2021 | 17,152 | +12% |
| 2022 | 9,058 | -47% |
| 2023 | 12,918 | +43% |
| 2024 | 18,919 | +46% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 14,615 | — | — | 14,615 | 2 | |
| Copper compounds | 4,221 | — | — | 4,221 | 37 | |
| Ammonia | 83 | 83 | — | — | 5,224 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 8,672 | — | — | 8,672 | 30 | |
| Manganese compounds | 4,177 | — | — | 4,177 | 1 | |
| Ammonia | 69 | 69 | — | — | 3,142 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 7,407 | — | — | 7,407 | 0 | |
| Manganese compounds | 1,588 | — | — | 1,588 | 0 | |
| Ammonia | 63 | 63 | — | — | 7 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 9,512 | — | — | 9,512 | — | |
| Manganese compounds | 7,567 | — | — | 7,567 | — | |
| Ammonia | 73 | 73 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 9,732 | — | — | 9,732 | 0 | |
| Manganese compounds | 5,507 | — | — | 5,507 | 0 | |
| Ammonia | 67 | 67 | — | — | 3 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 10,612 | — | — | 10,612 | 1 | |
| Manganese compounds | 6,821 | — | — | 6,821 | 0 | |
| Ammonia | 70 | 70 | — | — | 12 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 12,027 | — | — | 12,027 | — | |
| Copper compounds | 10,103 | — | — | 10,103 | — | |
| Ammonia | 58 | 58 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 10,729 | — | — | 10,729 | — | |
| Copper compounds | 9,791 | — | — | 9,791 | — | |
| Ammonia | 65 | 65 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 9,803 | — | — | 9,803 | 1 | |
| Manganese compounds | 9,613 | — | — | 9,613 | 0 | |
| Ammonia | 68 | 68 | — | — | 64 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 12,079 | — | 1,129 | 10,950 | 0 | |
| Copper compounds | 8,162 | — | 177 | 7,985 | 1 | |
| Ammonia | 72 | 72 | — | — | 5 |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Ammonia | — | — | — | 3,135 |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Manganese compounds | 2 | BLUE PLAINS WASTEWATER TREATMENT PLANT, WASHINGTON |
| Ammonia | 5,224 | BLUE PLAINS WASTEWATER TREATMENT PLANT, WASHINGTON |
| Copper compounds | 37 | BLUE PLAINS WASTEWATER TREATMENT PLANT, WASHINGTON |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Apr 5, 2023 | Apr 6, 2023 | Resolved |
| rcra | ID and Listing of HW: General | Dec 21, 2017 | Feb 7, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 21, 2017 | Feb 23, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Dec 21, 2017 | Jan 2, 2018 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Dec 21, 2017 | Jan 2, 2018 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Dec 21, 2017 | Jan 2, 2018 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.