Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Oran, Missouri. NPDES permit MO0043532 expired Sep 30, 2025; its limits still apply. Last 12 months: no values over a limit, 116 required values missing, 14 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 65 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 45 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | weekly average | ≤ 110 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 70 mg/L | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 17 mg/L | Jan, Feb, Mar, Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.4 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.4 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.4 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.4 mg/L | Jun, Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 23 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.9 mg/L | Jan, Feb, Mar, Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.5 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.4 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.8 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | Jun, Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.2 mg/L | Aug | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| E. coli | 7-day geometric mean | ≤ 1030 #/100mL | Apr–Oct | 001 |
| E. coli | 30-day geometric mean | ≤ 206 #/100mL | Apr–Oct | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (toxic) | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (toxic) | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 65 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 65 % | all year | 001 |
| Application rate area sprayed | total | report only (acr) | all year | 002 |
| Application rate area sprayed | monthly total | report only (acr) | all year | 002 |
| Application rate, gallons spray irrigation | total | report only (gal) | all year | 002 |
| Application rate, gallons spray irrigation | monthly total | report only (gal) | all year | 002 |
| Spray irrigation | total | report only (hr/d) | all year | 002 |
| Spray irrigation | monthly total | report only (hr/d) | all year | 002 |
| Spray irrigation, application rate | total | report only (in/d) | all year | 002 |
| Spray irrigation, application rate | monthly total | report only (in/d) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | INF |
| Solids, total suspended | monthly average | report only (mg/L) | all year | INF |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | INF |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | INF |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | INF |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | INF |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | INF |
Cited limits by parameter: Missouri'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/MO0043532 · MCP: https://passage-data.com/mcp