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Sewage treatment plant, Bruce, Mississippi. NPDES permit MS0042129 expired Apr 30, 2025; its limits still apply. Last 12 months: over a limit 14 times (last December 2025), 182 required values missing, 5 of 5 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | 001 | Chlorine, total residual, maximum monthly average | .16 mg/L | ≤ .011 mg/L | 1355% |
| December 2025 | 001 | Chlorine, total residual, maximum monthly average | .16 mg/L | ≤ .011 mg/L | 1355% |
| December 2025 | 001 | Chlorine, total residual, maximum weekly average | .68 mg/L | ≤ .019 mg/L | 3479% |
| December 2025 | 001 | Chlorine, total residual, maximum weekly average | .68 mg/L | ≤ .019 mg/L | 3479% |
| December 2025 | 002 | Nitrogen, ammonia total [as N], maximum monthly average | 7.87 mg/L | ≤ 6 mg/L | 31% |
| December 2025 | 002 | Nitrogen, ammonia total [as N], maximum monthly average | 7.87 mg/L | ≤ 6 mg/L | 31% |
| December 2025 | 004 | Nitrogen, ammonia total [as N], maximum monthly average | 6.35 mg/L | ≤ 6 mg/L | 6% |
| December 2025 | 004 | Nitrogen, ammonia total [as N], maximum monthly average | 6.35 mg/L | ≤ 6 mg/L | 6% |
| December 2025 | 101 | E. coli, maximum monthly average | > 2040 #/100mL | ≤ 126 #/100mL | — |
| December 2025 | 101 | E. coli, maximum monthly average | > 2040 #/100mL | ≤ 126 #/100mL | — |
| December 2025 | 101 | E. coli, maximum weekly average | 2040 #/100mL | ≤ 410 #/100mL | 398% |
| December 2025 | 101 | E. coli, maximum weekly average | 2040 #/100mL | ≤ 410 #/100mL | 398% |
| December 2025 | 101 | Nitrogen, ammonia total [as N], maximum monthly average | 22 lb/d | ≤ 17 lb/d | 29% |
| December 2025 | 101 | Nitrogen, ammonia total [as N], maximum monthly average | 22 lb/d | ≤ 17 lb/d | 29% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 22.5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 6 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 9 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 001 |
| Chlorine, total residual | maximum monthly average | ≤ .011 mg/L | all year | 001 |
| Chlorine, total residual | maximum weekly average | ≤ .019 mg/L | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 15 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 22.5 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 6 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 9 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 002 |
| Chlorine, total residual | maximum monthly average | ≤ .011 mg/L | all year | 002 |
| Chlorine, total residual | maximum weekly average | ≤ .019 mg/L | all year | 002 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 002 |
| Solids, suspended percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 002 |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 15 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 22.5 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 003 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 003 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 003 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 6 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 9 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 003 |
| Chlorine, total residual | maximum monthly average | ≤ .011 mg/L | all year | 003 |
| Chlorine, total residual | maximum weekly average | ≤ .019 mg/L | all year | 003 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 003 |
| Solids, suspended percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 003 |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 15 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 22.5 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | all year | 004 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 004 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 6 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 9 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 004 |
| Chlorine, total residual | maximum monthly average | ≤ .011 mg/L | all year | 004 |
| Chlorine, total residual | maximum weekly average | ≤ .019 mg/L | all year | 004 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 004 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 004 |
| Solids, suspended percent removal | minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 004 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 42 lb/d | all year | 101 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 125 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 63 lb/d | all year | 101 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 188 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (lb/d) | all year | 101 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | all year | 101 |
| Solids, total suspended | maximum monthly average | ≤ 125 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Solids, total suspended | maximum monthly average | ≤ 84 lb/d | all year | 101 |
| Solids, total suspended | maximum weekly average | ≤ 188 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Solids, total suspended | maximum weekly average | ≤ 126 lb/d | all year | 101 |
| Solids, total suspended | maximum monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Solids, total suspended | maximum monthly average | report only (lb/d) | all year | 101 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 42 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 17 lb/d | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 63 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 25 lb/d | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (lb/d) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year | 101 |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Rainfall | maximum monthly average | report only (in) | all year | 101 |
| Rainfall | maximum weekly average | report only (in) | all year | 101 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .5 MGD | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .337 MGD | all year | 101 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 101 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 101 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | 101 |
| E. coli | maximum weekly average | ≤ 410 #/100mL | all year | 101 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 23.8 % | all year | 101 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum | ≥ 23.8 % | all year | 101 |
Cited limits by parameter: Mississippi's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/MS0042129 · MCP: https://passage-data.com/mcp