NPDES permit WY0096539 · Minor NON-POTW · expired, expires 2025-05-31 · EPA's file as of 2026-09-19
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This permit expired on 2025-05-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: none.
Reports are due about 28 days after each monitoring period ends (the most common figure among WY permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Specific conductance | DAILY MX | <= 7500 umho/cm | all year |
| 001 | Specific conductance | DAILY MX | <= 7500 umho/cm | all year |
| 001 | Sulfide, total [as S] | DAILY MX | report only | all year |
| 001 | Sulfide, total [as S] | DAILY MX | report only | all year |
| 001 | Radium 226, total | DAILY MX | <= 60 pCi/L | all year |
| 001 | Radium 226, total | DAILY MX | <= 60 pCi/L | all year |
| 001 | Chloride | DAILY MX | <= 2000 mg/L | all year |
| 001 | Chloride | DAILY MX | <= 2000 mg/L | all year |
| 001 | Solids, total dissolved [TDS] | DAILY MX | <= 5000 mg/L | all year |
| 001 | Solids, total dissolved [TDS] | DAILY MX | <= 5000 mg/L | all year |
| 001 | Flow | MO AVG | report only | all year |
| 001 | Flow | MO AVG | report only | all year |
| 001 | Flow | DAILY MX | report only | all year |
| 001 | Flow | DAILY MX | report only | all year |
| 001 | Sulfate | DAILY MX | <= 3000 mg/L | all year |
| 001 | Produced water, oil and grease | DAILY MX | <= 10 mg/L | all year |
| 001 | Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 4C | = 0 pass=0;fail=1 | Jan, Feb, Mar, Apr, May, Jun |
| 001 | Pass/Fail Static 96 Hr Acute Pimephales Promelas | 9D | = 0 pass=0;fail=1 | Jan, Feb, Mar, Apr, May, Jun |
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