NPDES permit AK0053690 · Minor NON-POTW · administratively continued, expires 2023-06-15 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
This permit expired on 2023-06-15 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31.
Reports are due about 15 days after each monitoring period ends (the most common figure among AK permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Drilling fluid, end of well, 96-hr LC50 | MINIMUM | >= 3 % | all year |
| 001 | Drilling fluid, toxicity | MINIMUM | >= 3 % | all year |
| 001 | Fuel, Diesel, #1 Occurrences | MO AVG | <= 0 occur/mo | all year |
| 001 | Fuel, Diesel, #1 Occurrences | TOTAL | <= 0 occur/mo | all year |
| 001 | Free Oil | TOTAL | <= 0 occur/mo | all year |
| 001 | Cadmium [Cd], in barite, dry weight | MINIMUM | report only | all year |
| 001 | Cadmium [Cd], in barite, dry weight | MO AVG | report only | all year |
| 001 | Cadmium [Cd], in barite, dry weight | MAXIMUM | <= 3 mg/kg | all year |
| 001 | Mercury [Hg], in barite, dry weight | MINIMUM | report only | all year |
| 001 | Mercury [Hg], in barite, dry weight | MO AVG | report only | all year |
| 001 | Mercury [Hg], in barite, dry weight | MAXIMUM | <= 1 mg/kg | all year |
| 001 | Drilling fluids, discharge rate | MO AVG | <= 0 bbl/hr | all year |
| 001 | Drilling fluids, discharge rate | DAILY MX | <= 0 bbl/hr | all year |
| 001 | Drilling fluids, discharge rate | MO AVG | <= 500 bbl/hr | all year |
| 001 | Drilling fluids, discharge rate | DAILY MX | <= 500 bbl/hr | all year |
| 001 | Drilling fluids, discharge rate | MO AVG | <= 500 bbl/hr | all year |
| 001 | Drilling fluids, discharge rate | DAILY MX | <= 500 bbl/hr | all year |
| 001 | Drilling fluids, discharge rate | MO AVG | <= 500 bbl/hr | all year |
| 001 | Drilling fluids, discharge rate | DAILY MX | <= 500 bbl/hr | all year |
| 001 | Drilling fluids, volume | MO AVG | report only | all year |
| 001 | Drilling fluids, volume | DAILY MX | report only | all year |
| 002 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 002 | Free Oil Visual Sheen | VALUE | <= 0 N=0;Y=1 | all year |
| 002 | Volume | MO TOTAL | report only | all year |
| 004 | Floating solids, waste or visible foam-visual | VALUE | <= 0 N=0;Y=1 | all year |
| 004 | Chlorine, total residual | MAXIMUM | report only | all year |
| 004 | Volume | MO TOTAL | report only | all year |
| 004 | Oil and grease visual | VALUE | <= 0 N=0;Y=1 | all year |
| 006 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 006 | Free Oil Visual Sheen | VALUE | <= 0 N=0;Y=1 | all year |
| 006 | Volume | MAXIMUM | report only | all year |
| 008 | Water Treatment Additives Presence | VALUE | report only | all year |
| 008 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 008 | Free Oil Visual Sheen | VALUE | <= 0 N=0;Y=1 | all year |
| 008 | Volume | MAXIMUM | report only | all year |
| 008 | Toxicity, Chronic | MAXIMUM | report only | all year |
| 008 | Toxicity, Chronic | MAXIMUM | report only | all year |
| 009 | Water Treatment Additives Presence | VALUE | report only | all year |
| 009 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 009 | Free Oil Visual Sheen | VALUE | <= 0 N=0;Y=1 | all year |
| 009 | Volume | MAXIMUM | report only | all year |
| 009 | Toxicity, Chronic | MAXIMUM | report only | all year |
| 009 | Toxicity, Chronic | MAXIMUM | report only | all year |
| 010 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 010 | Free Oil Visual Sheen | VALUE | <= 0 N=0;Y=1 | all year |
| 010 | Volume | MAXIMUM | report only | all year |
| 012 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 012 | Free Oil Visual Sheen | VALUE | <= 0 N=0;Y=1 | all year |
| 012 | Volume | MAXIMUM | report only | all year |
| 013 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 013 | Free Oil Visual Sheen | VALUE | <= 0 N=0;Y=1 | all year |
| 013 | Volume | MAXIMUM | report only | all year |
| 016 | pH | SINGSAMP | <= 6 SU | all year |
| 016 | pH | MAXIMUM | <= 9 SU | all year |
| 016 | Oil and grease | MO AVG | <= 29 mg/L | all year |
| 016 | Oil and grease | DAILY MX | <= 42 mg/L | all year |
| 016 | Hydrocarbons, aromatic | SINGSAMP | report only | all year |
| 016 | Hydrocarbon, aqueous | SINGSAMP | report only | all year |
| 016 | Number of Events | MO TOTAL | report only | all year |
| 016 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 016 | Oil based fluids, non-aqueous based drilling fluids and cuttings | VALUE | <= 0 N=0;Y=1 | all year |
| 016 | Volume | DAILY MX | report only | all year |
| 016 | Toxicity, Chronic | SINGSAMP | report only | all year |
| 016 | Toxicity, Chronic | SINGSAMP | report only | all year |
| 018 | pH | SINGSAMP | <= 6 SU | all year |
| 018 | pH | MAXIMUM | <= 9 SU | all year |
| 018 | Oil and grease | MO AVG | <= 29 mg/L | all year |
| 018 | Oil and grease | DAILY MX | <= 42 mg/L | all year |
| 018 | Hydrocarbons, aromatic | SINGSAMP | report only | all year |
| 018 | Hydrocarbon, aqueous | SINGSAMP | report only | all year |
| 018 | Number of Events | MO TOTAL | report only | all year |
| 018 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 018 | Oil based fluids, non-aqueous based drilling fluids and cuttings | VALUE | <= 0 N=0;Y=1 | all year |
| 018 | Volume | DAILY MX | report only | all year |
| 018 | Toxicity, Chronic | SINGSAMP | report only | all year |
| 018 | Toxicity, Chronic | SINGSAMP | report only | all year |
| 019 | pH | SINGSAMP | <= 6 SU | all year |
| 019 | pH | MAXIMUM | <= 9 SU | all year |
| 019 | Oil and grease | MO AVG | <= 29 mg/L | all year |
| 019 | Oil and grease | DAILY MX | <= 42 mg/L | all year |
| 019 | Hydrocarbons, aromatic | SINGSAMP | report only | all year |
| 019 | Hydrocarbon, aqueous | SINGSAMP | report only | all year |
| 019 | Number of Events | MO TOTAL | report only | all year |
| 019 | Free Oil | VALUE | <= 0 occur/mo | all year |
| 019 | Oil based fluids, non-aqueous based drilling fluids and cuttings | VALUE | <= 0 N=0;Y=1 | all year |
| 019 | Volume | DAILY MX | report only | all year |
| 019 | Toxicity, Chronic | SINGSAMP | report only | all year |
| 019 | Toxicity, Chronic | SINGSAMP | report only | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states