TRI Reporter
Clean Air Act
RCRA
HELCO PUNA GENERATING STATION
Quick Summary
- •Released 8 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $235,400 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
PUNA MILL RD
KEAAU, HI 96749
View on map ↗ - County
- HAWAII County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 2 · last May 20, 2024
- Total Penalties
- $235,400 · last Jul 28, 2022
- Registry ID
- 110000601377
How This Compares
#34
of 36 TRI reporters in HI
#539
of 584 TRI reporters in Utilities
Ranked by most recent year's total TRI releases.
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.
Emissions Trend (2015–2024)
+309030% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 15 | — |
| 2016 | 6 | -60% |
| 2017 | 8 | +38% |
| 2018 | 19 | +134% |
| 2019 | 27 | +40% |
| 2020 | 33,023 | +121310% |
| 2021 | 41,041 | +24% |
| 2022 | 60 | -100% |
| 2023 | 51 | -15% |
| 2024 | 46,060 | +89511% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 46,000 | 46,000 | — | — | — | |
| Polycyclic aromatic compounds | 32 | 32 | — | — | — | ♦ Carcinogen |
| Naphthalene | 28 | 28 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Polycyclic aromatic compounds | 27 | 27 | — | — | — | ♦ Carcinogen |
| Naphthalene | 24 | 24 | — | — | 4 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Polycyclic aromatic compounds | 32 | 32 | — | — | 1 | ♦ Carcinogen |
| Naphthalene | 28 | 28 | — | — | 1 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 41,000 | 41,000 | — | — | — | |
| Polycyclic aromatic compounds | 22 | 22 | — | — | — | ♦ Carcinogen |
| Naphthalene | 19 | 19 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 33,000 | 33,000 | — | — | — | |
| Polycyclic aromatic compounds | 12 | 12 | — | — | — | ♦ Carcinogen |
| Naphthalene | 11 | 11 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Polycyclic aromatic compounds | 14 | 14 | — | — | — | ♦ Carcinogen |
| Naphthalene | 13 | 13 | — | — | 4 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Polycyclic aromatic compounds | 10 | 10 | — | — | — | ♦ Carcinogen |
| Naphthalene | 9 | 9 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Polycyclic aromatic compounds | 4 | 4 | — | — | — | ♦ Carcinogen |
| Naphthalene | 4 | 4 | — | — | 0 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzo[g,h,i]perylene | — | — | — | — | — | |
| Naphthalene | 3 | 3 | — | — | 1 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 3 | 3 | — | — | 0 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Polycyclic aromatic compounds | 8 | 8 | — | — | — | ♦ Carcinogen |
| Naphthalene | 7 | 7 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
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 |
|---|
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
WEST HAWAII SANITARY LANFILL
WAIKOLOA, HI
|
Naphthalene | 0 | — | — | — |
|
WEST HAWAII SANITARY LANFILL
WAIKOLOA, HI
|
Polycyclic aromatic compounds | — | — | — | — |
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 |
|---|---|---|---|---|
| caa | FRV | Jul 28, 2022 | — | Open |
| caa | FRV | Feb 4, 2019 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Feb 7, 2008 | Aug 27, 2008 | Resolved |
| rcra | Standards for Used Oi:l Processors and Re-Refiners | Feb 7, 2008 | Aug 27, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Feb 7, 2008 | Aug 27, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Feb 7, 2008 | Aug 27, 2008 | Resolved |
| rcra | Standards for Used Oi:l Processors and Re-Refiners | Jul 28, 2000 | Oct 17, 2006 | 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.
Administrative - Formal
Clean Air Act
· Case 3604605524 · Jul 28, 2022
$235,400
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-HID981371735-001 · Jul 28, 2000
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