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Mobile Home Site Operators, Port Deposit, Maryland. NPDES permit MD0023337, in force until Jul 31, 2028. Last 12 months: no values over a limit, 2 required values missing, 1 of 41 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | value | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | value | report only (deg F) | all year | 001 |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 6 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 18 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 27 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 14 lb/d | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 8.1 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 20 lb/d | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 12 lb/d | Jun–Sep | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 7.5 SU | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 14 lb/d | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 20 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 2.5 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 4.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 1.1 lb/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 1.9 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 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 |
| E. coli | maximum monthly geometric mean | ≤ 126 MPN/100mL | all year | 001 |
| Number of Events | monthly average | report only (# exceed) | all year | 001 |
| Flow, total | monthly total | report only (Mgal) | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 70 mg/L | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrate nitrogen, dry weight | monthly average | report only (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 |
| Fecal coliform | maximum | ≤ 200 MPN/4g | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .0003 MGD | all year | 002 |
| Number of Events | monthly average | report only (# exceed) | all year | 002 |
| Flow, total | monthly total | report only (Mgal/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, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | 101 |
| Sulfate [as S] | monthly average | ≤ 250 mg/L | all year | GMW |
| Sulfate [as S] | monthly average | ≤ 250 mg/L | all year | GMW |
| Sulfate [as S] | monthly average | ≤ 250 mg/L | all year | GMW |
| Sulfate [as S] | monthly average | ≤ 250 mg/L | all year | GMW |
| Sulfate [as S] | monthly average | ≤ 250 mg/L | all year | GMW |
| Sulfate [as S] | quarterly average | report only (mg/L) | all year | GMW |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | GMW |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | GMW |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | GMW |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | GMW |
| pH | minimum | ≥ 6.5 SU | all year | GMW |
| pH | minimum | ≥ 6.5 SU | all year | GMW |
| pH | minimum | ≥ 6.5 SU | all year | GMW |
| pH | minimum | ≥ 6.5 SU | all year | GMW |
| pH | minimum | ≥ 6.5 SU | all year | GMW |
| pH | monthly average | report only (SU) | all year | GMW |
| pH | monthly average | report only (SU) | all year | GMW |
| pH | monthly average | report only (SU) | all year | GMW |
| pH | monthly average | report only (SU) | all year | GMW |
| pH | monthly average | report only (SU) | all year | GMW |
| pH | maximum | ≤ 8.5 SU | all year | GMW |
| pH | maximum | ≤ 8.5 SU | all year | GMW |
| pH | maximum | ≤ 8.5 SU | all year | GMW |
| pH | maximum | ≤ 8.5 SU | all year | GMW |
| pH | maximum | ≤ 8.5 SU | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | GMW |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | GMW |
| Chloride [as Cl] | monthly average | ≤ 250 mg/L | all year | GMW |
| Chloride [as Cl] | monthly average | ≤ 250 mg/L | all year | GMW |
| Chloride [as Cl] | monthly average | ≤ 250 mg/L | all year | GMW |
| Chloride [as Cl] | monthly average | ≤ 250 mg/L | all year | GMW |
| Chloride [as Cl] | monthly average | ≤ 250 mg/L | all year | GMW |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | GMW |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | GMW |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | GMW |
| Fecal coliform | monthly average | report only (MPN/g) | all year | GMW |
| Fecal coliform | monthly average | report only (MPN/g) | all year | GMW |
| Fecal coliform | maximum | ≤ 2.2 MPN/4g | all year | GMW |
| Fecal coliform | maximum | ≤ 2.2 MPN/4g | all year | GMW |
| Fecal coliform | maximum | ≤ 2.2 MPN/g | all year | GMW |
| Fecal coliform | daily maximum | ≤ 2.2 MPN/4g | all year | GMW |
| Fecal coliform | daily maximum | ≤ 2.2 MPN/4g | all year | GMW |
| Fecal coliform | daily maximum | ≤ 2.2 MPN/g | all year | GMW |
| Fecal coliform | daily maximum | ≤ 2.2 MPN/g | all year | GMW |
| Fecal coliform | daily maximum | ≤ 2.2 MPN/g | all year | GMW |
| Solids, total dissolved | monthly average | ≤ 500 mg/L | all year | GMW |
| Solids, total dissolved | monthly average | ≤ 500 mg/L | all year | GMW |
| Solids, total dissolved | monthly average | ≤ 500 mg/L | all year | GMW |
| Solids, total dissolved | monthly average | ≤ 500 mg/L | all year | GMW |
| Solids, total dissolved | monthly average | ≤ 500 mg/L | all year | GMW |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | GMW |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | GMW |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | GMW |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | GMW |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrate total [as NO3] | quarterly average | ≤ 10 mg/L | all year | GMW |
| Nitrogen, nitrate total [as NO3] | quarterly average | ≤ 10 mg/L | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | ≤ 10 mg/L | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrite total [as NO2] | quarterly average | ≤ 1 mg/L | all year | GMW |
| Nitrogen, nitrite total [as NO2] | quarterly average | ≤ 1 mg/L | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | ≤ 1 mg/L | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | ≤ 1 mg/L | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | ≤ 1 mg/L | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | report only (mg/L) | all year | GMW |
| Nitrogen, nitrite total [as NO2] | monthly average | report only (mg/L) | all year | GMW |
Cited limits by parameter: Maryland's rules and the federal ones.
Same industry: the 9 Real Estate permits in Maryland.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MD0023337 · MCP: https://passage-data.com/mcp