Passage Data · Check a report · Use it from your AI
Sewerage Systems, Laramie, Wyoming. NPDES permit WY0024651, in force until Aug 31, 2031. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 34 mg/L | ≤ 30 mg/L | 13% |
| December 2025 | BOD, 5-day, percent removal, monthly average minimum | 81.7 % | ≥ 85 % | 22% |
| December 2025 | Solids, total suspended, monthly average | 35 mg/L | ≤ 30 mg/L | 17% |
| June 2026 | BOD, 5-day, 20 deg. C, monthly average | 33 mg/L | ≤ 30 mg/L | 10% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year |
| pH | instantaneous minimum | ≥ 6.5 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Duration | monthly total | report only (d/mo) | all year |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year |
| E. coli | monthly geometric mean | ≤ 126 MPN/100mL | May–Sep |
| E. coli | monthly geometric mean | ≤ 630 MPN/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| E. coli | daily maximum | ≤ 576 MPN/100mL | May–Sep |
| E. coli | daily maximum | ≤ 630 MPN/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Flow | monthly average | report only (MGD) | all year |
| Flow | daily maximum | report only (MGD) | all year |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
Cited limits by parameter: Wyoming's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WY0024651 · MCP: https://passage-data.com/mcp