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Sewage treatment plant, Worton, Maryland. NPDES permit MD0060585, in force until Oct 31, 2029. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | BOD, 5-day, 20 deg. C, maximum monthly average | 10.75 mg/L | ≤ 10 mg/L | 8% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow | monthly average | report only (MGD) | all year | 000 |
| Flow | daily maximum | report only (MGD) | all year | 000 |
| Discharge event observation [Visual Monitoring] | total | report only (occur/mo) | all year | 000 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 5 mg/L | May–Oct | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 9 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 8 mg/L | May–Oct | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 14 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 10 lb/d | May–Oct | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 19 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 17 lb/d | May–Oct | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 29 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 8 SU | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 23 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 31 lb/d | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 48 lb/d | all year | 001 |
| Nitrogen, total [as N] | EPA's "SEAS TDT" | ≤ 1816 lb/yr | May–Oct | 001 |
| Nitrogen, total [as N] | maximum | ≤ 3631 lb/yr | all year | 001 |
| Nitrogen, total [as N] | monthly total | report only (lb/mo) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | cumulative total | report only (lb/yr) | all year | 001 |
| Nitrogen, organic total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 1.3 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | maximum daily average | ≤ 8.4 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | maximum daily average | ≤ 11 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 2.7 lb/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 6.7 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | maximum daily average | ≤ 18 lb/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | maximum daily average | ≤ 23 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | 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] | maximum | ≤ 228 lb/yr | all year | 001 |
| Phosphorus, total [as P] | EPA's "SEAS TDT" | ≤ 90 lb/yr | May–Oct | 001 |
| Phosphorus, total [as P] | monthly total | report only (lb/mo) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | cumulative total | report only (lb/yr) | all year | 001 |
| Phosphate, ortho [as P] | monthly average | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | maximum | ≤ .1 mg/L | all year | 001 |
| E. coli | maximum monthly geometric mean | ≤ 76 MPN/100mL | all year | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| Discharge event observation [Visual Monitoring] | total | report only (occur/mo) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (occur/mo) | all year | 001 |
| Discharge event observation [Visual Monitoring] | total | report only (occur/mo) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 10 mg/L | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | maximum monthly average | ≤ 10 mg/L | all year | 002 |
| Nitrogen, total [as N] | maximum monthly average | ≤ 8 mg/L | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Sodium, total [as Na] | maximum monthly average | ≤ 100 mg/L | all year | 002 |
| Sodium adsorption ratio | maximum monthly average | ≤ 9 Ratio | Jun–Aug | 002 |
| Flow, in conduit or thru treatment plant | annual average | ≤ .195 MGD | all year | 002 |
| Coliform, fecal general | monthly average | ≤ 3 MPN/100mL | all year | 002 |
| Flow | monthly average | report only (MGD) | all year | 002 |
| Flow | daily maximum | report only (MGD) | all year | 002 |
| Discharge event observation [Visual Monitoring] | total | report only (occur/mo) | all year | 002 |
| Discharge event observation [Visual Monitoring] | total | report only (occur/mo) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 101 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 101 |
| Flow, total | monthly total | report only (MGD) | all year | 101 |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| pH | annual average | report only (SU) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual maximum | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual maximum | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual maximum | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual maximum | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual average | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual maximum | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrite total [as N] | annual maximum | ≤ 1 mg/L | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, nitrate total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Phosphate, total [as PO4] | annual average | report only (mg/L) | all year | MWS |
| Chloride [as Cl] | annual average | report only (mg/L) | all year | MWS |
| Chloride [as Cl] | annual average | report only (mg/L) | all year | MWS |
| Chloride [as Cl] | annual average | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual average | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual maximum | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual maximum | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual average | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual average | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual maximum | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual maximum | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual average | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual average | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual maximum | ≤ 250 mg/L | all year | MWS |
| Chloride [as Cl] | annual maximum | ≤ 250 mg/L | all year | MWS |
| Solids, total dissolved | annual average | report only (mg/L) | all year | MWS |
| Solids, total dissolved | annual average | report only (mg/L) | all year | MWS |
| Solids, total dissolved | annual average | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual average | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual maximum | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual maximum | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual average | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual average | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual maximum | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual maximum | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual average | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual average | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual maximum | ≤ 500 mg/L | all year | MWS |
| Solids, total dissolved | annual maximum | ≤ 500 mg/L | all year | MWS |
| Coliform, fecal general | annual average | report only (MPN/100mL) | all year | MWS |
| Coliform, fecal general | annual average | report only (MPN/100mL) | all year | MWS |
| Coliform, fecal general | annual average | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual average | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual maximum | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual maximum | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual average | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual average | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual maximum | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual maximum | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual average | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual average | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual maximum | ≤ 2 MPN/100mL | all year | MWS |
| Coliform, fecal general | annual maximum | ≤ 2 MPN/100mL | all year | MWS |
Cited limits by parameter: Maryland'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/MD0060585 · MCP: https://passage-data.com/mcp