NINEMILE 6 PLANT
Quick Summary
- •Released 14,531 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.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1617 RIVER ROAD
WESTWEGO, LA 70094
View on map ↗ - County
- JEFFERSON PARISH County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 5 · last Jul 22, 2025
- Total Penalties
- $0 · last Oct 29, 2018
- Registry ID
- 110002049328
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
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 |
|---|---|---|
| 2016 | 14,531 | — |
| 2018 | 23,632 | — |
| 2019 | 26,775 | +13% |
| 2020 | 38,290 | +43% |
| 2021 | 11,736 | -69% |
| 2022 | 143,750 | +1125% |
| 2023 | 136,840 | -5% |
| 2024 | 119,930 | -12% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 119,930 | 119,930 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 136,840 | 136,840 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 143,750 | 143,750 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 11,735 | 11,735 | — | — | — | |
| Polycyclic aromatic compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Formaldehyde | 25,353 | 25,353 | — | — | — | ♦ Carcinogen |
| Ammonia | 12,937 | 12,937 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Formaldehyde | 26,775 | 26,775 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 23,632 | 23,570 | 62 | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 14,510 | 14,494 | 16 | — | — | |
| Mercury compounds | 21 | 21 | — | — | — |
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 |
|---|
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 |
|---|---|---|---|---|
| cwa | Effluent Violations - Reported Fish Kill | Apr 29, 2000 | Jun 18, 2002 | Resolved |
| cwa | Permit Violations - Discharge Without a Valid Permit | Apr 28, 2000 | Jun 18, 2002 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Sep 14, 1995 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 16, 1995 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 8, 1989 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 180.00 mg/L | 100.00 | +80% | Jul 2018 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 892.00 mg/L | 50.00 | +1,684% | Jun 2015 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 220.00 mg/L | 50.00 | +340% | Jun 2015 | Open |
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.