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Sewage treatment plant, major discharger, Forest, Mississippi. NPDES permit MS0020362, in force until Aug 31, 2030. Last 12 months: over a limit 12 times (last September 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Hardness, total [as CaCO3], minimum | 80 mg/L | ≥ 150 mg/L | 47% |
| November 2025 | Hardness, total [as CaCO3], minimum | 52 mg/L | ≥ 150 mg/L | 65% |
| December 2025 | Hardness, total [as CaCO3], minimum | 108 mg/L | ≥ 150 mg/L | 28% |
| January 2026 | Hardness, total [as CaCO3], minimum | 100 mg/L | ≥ 150 mg/L | 33% |
| February 2026 | Hardness, total [as CaCO3], minimum | 112 mg/L | ≥ 150 mg/L | 25% |
| March 2026 | Hardness, total [as CaCO3], minimum | 80 mg/L | ≥ 150 mg/L | 47% |
| April 2026 | Hardness, total [as CaCO3], minimum | 64 mg/L | ≥ 150 mg/L | 57% |
| May 2026 | Hardness, total [as CaCO3], minimum | 72 mg/L | ≥ 150 mg/L | 52% |
| June 2026 | Hardness, total [as CaCO3], minimum | 96 mg/L | ≥ 150 mg/L | 36% |
| July 2026 | Hardness, total [as CaCO3], minimum | 104 mg/L | ≥ 150 mg/L | 31% |
| August 2026 | Hardness, total [as CaCO3], minimum | 40 mg/L | ≥ 150 mg/L | 73% |
| September 2026 | Hardness, total [as CaCO3], minimum | 44 mg/L | ≥ 150 mg/L | 71% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 001 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 8 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 12 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 327 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 490 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | 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 | maximum weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1226 lb/d | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 1839 lb/d | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | ≤ 539.21 lb/d | all year | 001 |
| Nitrogen, total [as N] | maximum weekly average | ≤ 808.82 lb/d | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 3 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 82 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 123 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 175.84 lb/d | all year | 001 |
| Phosphorus, total [as P] | maximum weekly average | ≤ 263.76 lb/d | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | maximum weekly average | report only (lb/d) | all year | 001 |
| Hardness, total [as CaCO3] | minimum | ≥ 150 mg/L | all year | 001 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) | all year | 001 |
| Silver total recoverable | monthly average | ≤ .00098 mg/L | all year | 001 |
| Silver total recoverable | weekly maximum | ≤ .00098 mg/L | all year | 001 |
| Copper, total recoverable | monthly average | ≤ .011 mg/L | all year | 001 |
| Copper, total recoverable | maximum weekly average | ≤ .016 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 4.9 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 001 |
| Chlorine, total residual | maximum weekly average | ≤ .019 mg/L | all year | 001 |
| E. coli | monthly average | ≤ 126 #/100mL | all year | 001 |
| E. coli | maximum weekly average | ≤ 410 #/100mL | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 001 |
| Sludge settleability 30 minute | minimum | report only (mL/L) | all year | 001 |
| Sludge settleability 30 minute | maximum | report only (mL/L) | all year | 001 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 001 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum | ≥ 100 % | all year | 001 |
| Oxygen, dissolved [DO] | minimum | ≥ 2 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | maximum monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | maximum monthly average | report only (lb/d) | all year | 002 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 002 |
| Nitrogen, total [as N] | maximum monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | maximum 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 | ≤ 5 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | maximum monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | maximum monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | maximum monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | maximum monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | maximum weekly average | report only (lb/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| BOD, 5-day, percent removal | minimum | ≥ 65 % | all year | 002 |
| Solids, suspended percent removal | minimum | ≥ 65 % | all year | 002 |
| Oxygen, dissolved [DO] | minimum | ≥ 2 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | maximum monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | maximum monthly average | report only (lb/d) | all year | 003 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 003 |
| Nitrogen, total [as N] | maximum monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | maximum weekly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | maximum monthly average | report only (lb/d) | all year | 003 |
| Nitrogen, total [as N] | maximum weekly average | report only (lb/d) | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| BOD, 5-day, percent removal | minimum | ≥ 65 % | all year | 003 |
| Solids, suspended percent removal | minimum | ≥ 65 % | all year | 003 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Nitrogen, ammonia total [as N], monthly average | 1.37 mg/L | tighter | 0.4 mg/L (12 values) | 0.292× |
| Nitrogen, ammonia total [as N], monthly average | 56 lb/d | tighter | 7.9 lb/d (12 values) | 0.141× |
| Nitrogen, ammonia total [as N], maximum weekly average | 82 lb/d | tighter | 13 lb/d (12 values) | 0.159× |
| Nitrogen, ammonia total [as N], maximum weekly average | 2 mg/L | tighter | 0.55 mg/L (12 values) | 0.275× |
Cited limits by parameter: Mississippi'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/MS0020362 · MCP: https://passage-data.com/mcp