Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Meridian, Mississippi. NPDES permit MS0020117, in force until Oct 31, 2030. Last 12 months: over a limit 7 times (last June 2026), 4 required values missing, 12 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 002 | Copper, total recoverable, monthly average | .0118 mg/L | ≤ .0052 mg/L | 127% |
| October 2025 | 002 | Copper, total recoverable, maximum weekly average | .017 mg/L | ≤ .0072 mg/L | 136% |
| October 2025 | 101 | Solids, total suspended, monthly average | 31.5 mg/L | ≤ 30 mg/L | 5% |
| October 2025 | 101 | Solids, total suspended, maximum weekly average | 52.2 mg/L | ≤ 45 mg/L | 16% |
| May 2026 | 101 | BOD, carb-5 day, 20 deg C, percent removal, minimum | 84 % | ≥ 85 % | 7% |
| May 2026 | 101 | Solids, suspended percent removal, minimum | 80 % | ≥ 85 % | 33% |
| June 2026 | 101 | Solids, suspended percent removal, minimum | 81 % | ≥ 85 % | 27% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 3253 lb/d | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 4879 lb/d | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 002 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | May–Nov | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.5 mg/L | May–Nov | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 108 lb/d | May–Nov | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 217 lb/d | Jan, Feb, Mar, Apr, Dec | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 163 lb/d | May–Nov | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 325 lb/d | Jan, Feb, Mar, Apr, Dec | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | report only (lb/d) | all year | 002 |
| Copper, total recoverable | monthly average | ≤ .011 mg/L | all year | 002 |
| Copper, total recoverable | maximum weekly average | ≤ .012 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 13 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 002 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 002 |
| Chlorine, total residual | maximum weekly average | ≤ .019 mg/L | all year | 002 |
| E. coli | monthly average | ≤ 126 #/100mL | all year | 002 |
| E. coli | maximum weekly average | ≤ 410 #/100mL | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 7 mg/L | May–Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 10.5 mg/L | May–Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 1084 lb/d | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 759 lb/d | May–Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 1627 lb/d | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 1138 lb/d | May–Nov | 002 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 89.74 % | all year | 002 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum | ≥ 89.74 % | all year | 002 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 101 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) | all year | 101 |
| pH | minimum | report only (SU) | all year | 101 |
| pH | maximum | report only (SU) | all year | 101 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 101 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 101 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 101 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 101 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 101 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 101 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 101 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 101 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 101 |
| Nitrogen, total [as N] | monthly total | report only (lb/d) | all year | 101 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 101 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 101 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 101 |
| Nitrogen, total [as N] | monthly total | report only (lb/d) | all year | 101 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jan, Feb, Mar, Apr, Dec | 101 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | May–Nov | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Dec | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.5 mg/L | May–Nov | 101 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 101 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | May–Nov | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | May–Nov | 101 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 101 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year | 101 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | monthly total | report only (lb/d) | all year | 101 |
| Phosphorus, total [as P] | monthly average | report only (mL/L) | all year | 101 |
| Phosphorus, total [as P] | maximum weekly average | report only (mL/L) | all year | 101 |
| Phosphorus, total [as P] | monthly total | report only (lb/d) | all year | 101 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 101 |
| Copper, total recoverable | maximum weekly average | report only (mg/L) | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 13 MGD | all year | 101 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 101 |
| Chlorine, total residual | minimum | ≥ .3 mg/L | all year | 101 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Dec | 101 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 7 mg/L | May–Nov | 101 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Dec | 101 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 10.5 mg/L | May–Nov | 101 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 101 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | May–Nov | 101 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 101 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (lb/d) | May–Nov | 101 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 101 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (mg/L) | all year | 101 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year | 101 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (lb/d) | all year | 101 |
| BOD, carb-5 day, 20 deg C, percent removal | minimum | ≥ 85 % | all year | 101 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 101 |
| Sludge settleability 30 minute | minimum | report only (mL/L) | all year | 101 |
| Sludge settleability 30 minute | maximum | report only (mL/L) | all year | 101 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 201 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) | all year | 201 |
| pH | minimum | report only (SU) | all year | 201 |
| pH | maximum | report only (SU) | all year | 201 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 201 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 201 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 201 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 201 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 201 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 201 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 201 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 201 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 201 |
| Nitrogen, total [as N] | monthly total | report only (lb/d) | all year | 201 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | May–Nov | 201 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jan, Feb, Mar, Apr, Dec | 201 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.5 mg/L | May–Nov | 201 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Dec | 201 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | May–Nov | 201 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 201 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | May–Nov | 201 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 201 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 201 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 201 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | 201 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year | 201 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 201 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 201 |
| Phosphorus, total [as P] | monthly total | report only (lb/d) | all year | 201 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 201 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 201 |
| Phosphorus, total [as P] | monthly total | report only (lb/d) | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1 MGD | all year | 201 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Dec | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 7 mg/L | May–Nov | 201 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Dec | 201 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 10.5 mg/L | May–Nov | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | May–Nov | 201 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 201 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (lb/d) | May–Nov | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 201 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (mg/L) | all year | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year | 201 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | report only (lb/d) | all year | 201 |
| BOD, carb-5 day, 20 deg C, percent removal | minimum | ≥ 85 % | all year | 201 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 201 |
| Sludge settleability 30 minute | minimum | report only (mL/L) | all year | 201 |
| Sludge settleability 30 minute | maximum | report only (mL/L) | all year | 201 |
Cited limits by parameter: Mississippi'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/MS0020117 · MCP: https://passage-data.com/mcp