NPDES permit AK0053392 · Minor NON-POTW · effective, expires 2030-11-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-06-30.
Reports are due about 16 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Color [PT-CO units] | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 37 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 140 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 56 lb/d | all year |
| 001 | pH | INST MIN | >= 6.5 SU | all year |
| 001 | pH | INST MAX | <= 8.5 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 27 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 88 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 41 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4.9 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 7.4 lb/d | all year |
| 001 | Zinc, total recoverable | MO AVG | <= 33 ug/L | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= 95 ug/L | all year |
| 001 | Zinc, total recoverable | MO AVG | <= 50 lb/d | all year |
| 001 | Manganese, total recoverable | MO AVG | <= 1500 ug/L | all year |
| 001 | Manganese, total recoverable | DAILY MX | <= 3900 ug/L | all year |
| 001 | Manganese, total recoverable | MO AVG | <= 2252 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | <= .18 MGD | all year |
| S11 | Color [PT-CO units] | MO AVG | <= 103 col unit (pc) | all year |
| S11 | Color [PT-CO units] | DAILY MX | <= 207 col unit (pc) | all year |
| S11 | pH | INST MIN | report only | all year |
| S11 | pH | INST MAX | report only | all year |
| S11 | Nickel, total recoverable | DAILY MX | report only | all year |
| S11 | Copper, total recoverable | DAILY MX | report only | all year |
| S11 | Flow | DAILY MX | report only | all year |
| S12 | Color [PT-CO units] | MO AVG | <= 181 col unit (pc) | all year |
| S12 | Color [PT-CO units] | DAILY MX | <= 363 col unit (pc) | all year |
| S12 | pH | INST MIN | report only | all year |
| S12 | pH | INST MAX | report only | all year |
| S12 | Nickel, total recoverable | DAILY MX | report only | all year |
| S12 | Copper, total recoverable | DAILY MX | report only | all year |
| S12 | Manganese, total recoverable | DAILY MX | report only | all year |
| S12 | Flow | DAILY MX | report only | all year |
| S6B | Color [PT-CO units] | MO AVG | <= 234 col unit (pc) | all year |
| S6B | Color [PT-CO units] | DAILY MX | <= 270 col unit (pc) | all year |
| S6B | pH | INST MIN | report only | all year |
| S6B | pH | INST MAX | report only | all year |
| S6B | Nickel, total recoverable | DAILY MX | report only | all year |
| S6B | Copper, total recoverable | DAILY MX | report only | all year |
| S6B | Flow | DAILY MX | report only | all year |
| SW4 | Color [PT-CO units] | MO AVG | <= 879 col unit (pc) | all year |
| SW4 | Color [PT-CO units] | DAILY MX | <= 1764 col unit (pc) | all year |
| SW4 | pH | INST MIN | report only | all year |
| SW4 | pH | INST MAX | report only | all year |
| SW4 | Manganese, total recoverable | DAILY MX | report only | all year |
| SW4 | Flow | DAILY MX | 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