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Industrial or other facility, (Unknown City), Wyoming. NPDES permit WY0097024, in force until Nov 30, 2029. Last 12 months: over a limit 4 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Sodium, dissolved [as Na], monthly load | 2403 lb/mo | ≤ 2220 lb/mo | 8% |
| December 2025 | Solids, total dissolved, monthly load | 7576 lb/mo | ≤ 5530 lb/mo | 37% |
| January 2026 | Solids, total dissolved, monthly load | 6301 lb/mo | ≤ 5530 lb/mo | 14% |
| February 2026 | Solids, total dissolved, monthly load | 6524 lb/mo | ≤ 5530 lb/mo | 18% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | daily maximum | ≤ 7500 umho/cm | all year | 001 |
| Specific conductance | daily maximum | ≤ 7500 umho/cm | all year | 001 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | 001 |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | 001 |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | 001 |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | 001 |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | 001 |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Jul | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Jul | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 3320 lb/mo | Apr | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 3320 lb/mo | Apr | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 3320 lb/mo | May | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 3320 lb/mo | May | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Dec | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Dec | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Jan | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Jan | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 0 lb/mo | Sep | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 0 lb/mo | Sep | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Nov | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Nov | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 0 lb/mo | Aug | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 0 lb/mo | Aug | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 3320 lb/mo | Mar | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 3320 lb/mo | Mar | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Feb | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Feb | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Jun | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Jun | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Oct | 001 |
| Sodium, dissolved [as Na] | monthly load | ≤ 2220 lb/mo | Oct | 001 |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | 001 |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | 001 |
| Arsenic, total recoverable | daily maximum | ≤ 8.4 ug/L | all year | 001 |
| Barium, total [as Ba] | daily maximum | ≤ 1800 ug/L | all year | 001 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 1000 ug/L | all year | 001 |
| Chloride | daily maximum | ≤ 150 mg/L | all year | 001 |
| Duration | monthly total | report only (d/mo) | all year | 001 |
| Duration | monthly total | report only (d/mo) | all year | 001 |
| Bicarbonate as [CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Nov | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Nov | 001 |
| Solids, total dissolved | monthly load | ≤ 8300 lb/mo | Apr | 001 |
| Solids, total dissolved | monthly load | ≤ 8300 lb/mo | Apr | 001 |
| Solids, total dissolved | monthly load | ≤ 0 lb/mo | Sep | 001 |
| Solids, total dissolved | monthly load | ≤ 0 lb/mo | Sep | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Jan | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Jan | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Jun | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Jun | 001 |
| Solids, total dissolved | monthly load | ≤ 8300 lb/mo | May | 001 |
| Solids, total dissolved | monthly load | ≤ 8300 lb/mo | May | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Feb | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Feb | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Oct | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Oct | 001 |
| Solids, total dissolved | monthly load | ≤ 8300 lb/mo | Mar | 001 |
| Solids, total dissolved | monthly load | ≤ 8300 lb/mo | Mar | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Dec | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Dec | 001 |
| Solids, total dissolved | monthly load | ≤ 0 lb/mo | Aug | 001 |
| Solids, total dissolved | monthly load | ≤ 0 lb/mo | Aug | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Jul | 001 |
| Solids, total dissolved | monthly load | ≤ 5530 lb/mo | Jul | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | DPR |
| Specific conductance | daily maximum | report only (umho/cm) | all year | DPR |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | DPR |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | DPR |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | DPR |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | DPR |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | DPR |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | DPR |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | DPR |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | DPR |
| Flow rate, instantaneous | daily maximum | report only (MGD) | all year | TRB1 |
| Flow rate, instantaneous | daily maximum | report only (MGD) | all year | TRB1 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | TRB1 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | TRB1 |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | TRB1 |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | TRB1 |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | TRB1 |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | TRB1 |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | TRB1 |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | TRB1 |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | TRB1 |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | TRB1 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | UPR |
| Specific conductance | daily maximum | report only (umho/cm) | all year | UPR |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | UPR |
| Calcium, dissolved [as Ca] | daily maximum | report only (mg/L) | all year | UPR |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | UPR |
| Magnesium, dissolved [as Mg] | daily maximum | report only (mg/L) | all year | UPR |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | UPR |
| Sodium, dissolved [as Na] | daily maximum | report only (mg/L) | all year | UPR |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | UPR |
| Sodium adsorption ratio | daily maximum | report only (Ratio) | all year | UPR |
Cited limits by parameter: Wyoming's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WY0097024 · MCP: https://passage-data.com/mcp