TYONEK PLATFORM
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
NORTH COOK INLET
TYONEK, AK 99682
View on map ↗ - County
- KENAI PENINSULA County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 211111
- Inspections
- 8 · last Oct 1, 2025
- Total Penalties
- $0 · last Aug 23, 2004
- Registry ID
- 110046310657
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
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 | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | FRV | Feb 29, 2024 | — | Open |
| caa | FRV | Jun 30, 2023 | — | Open |
| caa | FRV | Aug 10, 2021 | — | Open |
| caa | FRV | Jun 30, 2021 | — | Open |
| caa | FRV | Sep 20, 2019 | — | Open |
| caa | FRV | Feb 7, 2017 | — | Open |
| caa | FRV | Feb 7, 2017 | — | Open |
| caa | FRV | Dec 12, 2016 | — | 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 | 62.00 mg/L | 60.00 | +3% | Nov 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 50.10 mg/L | 30.00 | +67% | Nov 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.20 mg/L | 30.00 | +57% | Nov 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.70 mg/L | 30.00 | +62% | Oct 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.20 mg/L | 60.00 | +19% | Oct 2019 | 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.