Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Neoga, Illinois. NPDES permit IL0030091, in force until Jun 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly average minimum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | minimum weekly average | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | weekly average | report only (mg/L) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ .75 mg/L | all year | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 5.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | 002 |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 4 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | 002 |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 6 mg/L | Mar–Jul | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 3.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | Mar–Jul | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 183 lb/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 275 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Mar, Apr, May, Sep, Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Jun–Aug | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.2 mg/L | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Mar, Apr, May, Sep, Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jun–Aug | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.6 mg/L | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 lb/d | Mar, Apr, May, Sep, Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.1 lb/d | Jun–Aug | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 26 lb/d | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 74 lb/d | Mar, Apr, May, Sep, Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 51 lb/d | Jun–Aug | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 71 lb/d | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.8 mg/L | Jun–Aug | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 6 mg/L | Mar, Apr, May, Sep, Oct | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 23 lb/d | Jun–Aug | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 37 lb/d | Mar, Apr, May, Sep, Oct | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | 002 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | May–Oct | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 153 lb/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 244 lb/d | all year | 002 |
| Oxygen, dissolved [DO] | monthly average minimum | report only (mg/L) | all year | A01 |
| Oxygen, dissolved [DO] | minimum weekly average | report only (mg/L) | all year | A01 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | A01 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | A01 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | A01 |
| pH | minimum | ≥ 6 SU | all year | A01 |
| pH | maximum | ≤ 9 SU | all year | A01 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | A01 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | A01 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | A01 |
| Chlorine, total residual | monthly average | ≤ .75 mg/L | all year | A01 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | A01 |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 5.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | B01 |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 4 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | B01 |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 6 mg/L | Mar–Jul | B01 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 3.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | B01 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | Mar–Jul | B01 |
| pH | minimum | ≥ 6 SU | all year | B01 |
| pH | maximum | ≤ 9 SU | all year | B01 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | B01 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | B01 |
| Solids, total suspended | monthly average | ≤ 183 lb/d | all year | B01 |
| Solids, total suspended | weekly average | ≤ 275 lb/d | all year | B01 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Mar, Apr, May, Sep, Oct | B01 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Jun–Aug | B01 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.2 mg/L | Jan, Feb, Nov, Dec | B01 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Mar, Apr, May, Sep, Oct | B01 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jun–Aug | B01 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.6 mg/L | Jan, Feb, Nov, Dec | B01 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 lb/d | Mar, Apr, May, Sep, Oct | B01 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.1 lb/d | Jun–Aug | B01 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 26 lb/d | Jan, Feb, Nov, Dec | B01 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 74 lb/d | Mar, Apr, May, Sep, Oct | B01 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 51 lb/d | Jun–Aug | B01 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 71 lb/d | Jan, Feb, Nov, Dec | B01 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.8 mg/L | Jun–Aug | B01 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 6 mg/L | Mar, Apr, May, Sep, Oct | B01 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 23 lb/d | Jun–Aug | B01 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 37 lb/d | Mar, Apr, May, Sep, Oct | B01 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | B01 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | B01 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | B01 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | May–Oct | B01 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | B01 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | B01 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 153 lb/d | all year | B01 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 244 lb/d | all year | B01 |
| 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 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | INF |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | INF |
| Temperature, water deg. fahrenheit | monthly minimum | report only (deg F) | all year | STR |
| Temperature, water deg. fahrenheit | monthly maximum | report only (deg F) | all year | STR |
| pH | monthly minimum | report only (SU) | all year | STR |
| pH | monthly maximum | report only (SU) | all year | STR |
Cited limits by parameter: Illinois'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/IL0030091 · MCP: https://passage-data.com/mcp