NPDES permit WY0054151 · Minor NON-POTW · effective, expires 2028-12-31 · 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 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 | pH | INST MIN | >= 6.5 SU | all year |
| 001 | pH | INST MAX | <= 9 SU | all year |
| 001 | Chloride | DAILY MX | <= 2000 mg/L | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | Flow | DAILY MX | report only | all year |
| 001 | Flow | DAILY MX | report only | all year |
| 001 | Flow | MO AVG | report only | all year |
| 001 | Flow | MO AVG | report only | all year |
| 004 | Specific conductance | DAILY MX | <= 7500 umho/cm | all year |
| 004 | pH | INST MIN | >= 6.5 SU | all year |
| 004 | pH | INST MAX | <= 9 SU | all year |
| 004 | Chloride | DAILY MX | <= 2000 mg/L | all year |
| 004 | Solids, total dissolved | DAILY MX | report only | all year |
| 004 | Flow | DAILY MX | report only | all year |
| 004 | Flow | DAILY MX | report only | all year |
| 004 | Flow | MO AVG | report only | all year |
| 004 | Flow | MO AVG | report only | all year |
| 005 | Specific conductance | DAILY MX | <= 7500 umho/cm | all year |
| 005 | pH | INST MIN | >= 6.5 SU | all year |
| 005 | pH | INST MAX | <= 9 SU | all year |
| 005 | Chloride | DAILY MX | <= 2000 mg/L | all year |
| 005 | Solids, total dissolved | DAILY MX | report only | all year |
| 005 | Flow | DAILY MX | report only | all year |
| 005 | Flow | DAILY MX | report only | all year |
| 005 | Flow | MO AVG | report only | all year |
| 005 | Flow | MO AVG | report only | all year |
| 006 | Specific conductance | DAILY MX | <= 7500 umho/cm | all year |
| 006 | pH | INST MIN | >= 6.5 SU | all year |
| 006 | pH | INST MAX | <= 9 SU | all year |
| 006 | Iron, dissolved [as Fe] | DAILY MX | <= 1000 ug/L | all year |
| 006 | Chloride | DAILY MX | <= 2000 mg/L | all year |
| 006 | Solids, total dissolved | DAILY MX | report only | all year |
| 006 | Flow | DAILY MX | report only | all year |
| 006 | Flow | DAILY MX | report only | all year |
| 006 | Flow | MO AVG | report only | all year |
| 006 | Flow | MO AVG | report only | all year |
| CU1 | Specific conductance | DAILY MX | report only | all year |
| CU1 | pH | INST MIN | report only | all year |
| CU1 | pH | INST MAX | report only | all year |
| CU1 | Fluoride, dissolved [as F] | DAILY MX | report only | all year |
| CU1 | Selenium, total [as Se] | DAILY MX | report only | all year |
| CU1 | Chloride | DAILY MX | report only | all year |
| CU1 | Solids, total dissolved | DAILY MX | report only | all year |
| CU1 | Sulfate | DAILY MX | report only | all year |
| CU4 | Specific conductance | DAILY MX | report only | all year |
| CU4 | pH | INST MIN | report only | all year |
| CU4 | pH | INST MAX | report only | all year |
| CU4 | Fluoride, dissolved [as F] | DAILY MX | report only | all year |
| CU4 | Selenium, total [as Se] | DAILY MX | report only | all year |
| CU4 | Chloride | DAILY MX | report only | all year |
| CU4 | Solids, total dissolved | DAILY MX | report only | all year |
| CU4 | Sulfate | DAILY MX | report only | all year |
| CU5 | Specific conductance | DAILY MX | report only | all year |
| CU5 | pH | INST MIN | report only | all year |
| CU5 | pH | INST MAX | report only | all year |
| CU5 | Fluoride, dissolved [as F] | DAILY MX | report only | all year |
| CU5 | Selenium, total [as Se] | DAILY MX | report only | all year |
| CU5 | Chloride | DAILY MX | report only | all year |
| CU5 | Solids, total dissolved | DAILY MX | report only | all year |
| CU5 | Sulfate | DAILY MX | report only | all year |
| CU6 | Specific conductance | DAILY MX | report only | all year |
| CU6 | pH | INST MIN | report only | all year |
| CU6 | pH | INST MAX | report only | all year |
| CU6 | Fluoride, dissolved [as F] | DAILY MX | report only | all year |
| CU6 | Selenium, total [as Se] | DAILY MX | report only | all year |
| CU6 | Chloride | DAILY MX | report only | all year |
| CU6 | Solids, total dissolved | DAILY MX | report only | all year |
| CU6 | Sulfate | 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