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Industrial Inorganic Chemicals, major discharger, Baltimore, Maryland. NPDES permit MD0001775, in force until Jul 31, 2029. Last 12 months: no values over a limit, 5 required values missing, 6 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 25 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/mo) | all year | 001 |
| Solids, total suspended | annual maximum | ≤ 22312 lb/yr | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly total | ≤ 1150 lb/mo | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, total [as N] | annual maximum | report only (lb/yr) | all year | 001 |
| Nitrogen, organic total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .047 mg/L | all year | 001 |
| Manganese, total [as Mn] | maximum monthly average | ≤ 5 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nickel, total [as Ni] | maximum monthly average | ≤ .123 mg/L | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ .57 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 |
| pH range excursions, > 60 minutes | monthly total | ≤ 0 occur/mo | all year | 001 |
| pH range excursions, monthly total accum | monthly total | ≤ 446 min | all year | 001 |
| pH | annual average | report only (SU) | all year | C01 |
| pH | annual average | report only (SU) | all year | C01 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C01 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C01 |
| Chloride | annual average | report only (mg/L) | all year | C01 |
| Chloride | annual average | report only (mg/L) | all year | C01 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C01 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C01 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C01 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C01 |
| Sulfate | annual average | report only (mg/L) | all year | C01 |
| Sulfate | annual average | report only (mg/L) | all year | C01 |
| pH | annual average | report only (SU) | all year | C02 |
| pH | annual average | report only (SU) | all year | C02 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C02 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C02 |
| Chloride | annual average | report only (mg/L) | all year | C02 |
| Chloride | annual average | report only (mg/L) | all year | C02 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C02 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C02 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C02 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C02 |
| Sulfate | annual average | report only (mg/L) | all year | C02 |
| Sulfate | annual average | report only (mg/L) | all year | C02 |
| pH | annual average | report only (SU) | all year | C03 |
| pH | annual average | report only (SU) | all year | C03 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C03 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C03 |
| Chloride | annual average | report only (mg/L) | all year | C03 |
| Chloride | annual average | report only (mg/L) | all year | C03 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C03 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C03 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C03 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C03 |
| Sulfate | annual average | report only (mg/L) | all year | C03 |
| Sulfate | annual average | report only (mg/L) | all year | C03 |
| pH | annual average | report only (SU) | all year | C04 |
| pH | annual average | report only (SU) | all year | C04 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C04 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C04 |
| Chloride | annual average | report only (mg/L) | all year | C04 |
| Chloride | annual average | report only (mg/L) | all year | C04 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C04 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C04 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C04 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C04 |
| Sulfate | annual average | report only (mg/L) | all year | C04 |
| Sulfate | annual average | report only (mg/L) | all year | C04 |
| pH | annual average | report only (SU) | all year | C05 |
| pH | annual average | report only (SU) | all year | C05 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C05 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C05 |
| Chloride | annual average | report only (mg/L) | all year | C05 |
| Chloride | annual average | report only (mg/L) | all year | C05 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C05 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C05 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C05 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C05 |
| Sulfate | annual average | report only (mg/L) | all year | C05 |
| Sulfate | annual average | report only (mg/L) | all year | C05 |
| pH | annual average | report only (SU) | all year | C06 |
| pH | annual average | report only (SU) | all year | C06 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C06 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C06 |
| Chloride | annual average | report only (mg/L) | all year | C06 |
| Chloride | annual average | report only (mg/L) | all year | C06 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C06 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C06 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C06 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C06 |
| Sulfate | annual average | report only (mg/L) | all year | C06 |
| Sulfate | annual average | report only (mg/L) | all year | C06 |
| pH | annual average | report only (SU) | all year | C07 |
| pH | annual average | report only (SU) | all year | C07 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C07 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C07 |
| Chloride | annual average | report only (mg/L) | all year | C07 |
| Chloride | annual average | report only (mg/L) | all year | C07 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C07 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C07 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C07 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C07 |
| Sulfate | annual average | report only (mg/L) | all year | C07 |
| Sulfate | annual average | report only (mg/L) | all year | C07 |
| pH | annual average | report only (SU) | all year | C08 |
| pH | annual average | report only (SU) | all year | C08 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C08 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C08 |
| Chloride | annual average | report only (mg/L) | all year | C08 |
| Chloride | annual average | report only (mg/L) | all year | C08 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C08 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C08 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C08 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C08 |
| Sulfate | annual average | report only (mg/L) | all year | C08 |
| Sulfate | annual average | report only (mg/L) | all year | C08 |
| pH | annual average | report only (SU) | all year | C09 |
| pH | annual average | report only (SU) | all year | C09 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C09 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C09 |
| Chloride | annual average | report only (mg/L) | all year | C09 |
| Chloride | annual average | report only (mg/L) | all year | C09 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C09 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C09 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C09 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C09 |
| Sulfate | annual average | report only (mg/L) | all year | C09 |
| Sulfate | annual average | report only (mg/L) | all year | C09 |
| pH | annual average | report only (SU) | all year | C10 |
| pH | annual average | report only (SU) | all year | C10 |
| pH | annual average | report only (SU) | all year | C10 |
| pH | annual average | report only (SU) | all year | C10 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C10 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C10 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C10 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C10 |
| Chloride | annual average | report only (mg/L) | all year | C10 |
| Chloride | annual average | report only (mg/L) | all year | C10 |
| Chloride | annual average | report only (mg/L) | all year | C10 |
| Chloride | annual average | report only (mg/L) | all year | C10 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C10 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C10 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C10 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C10 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C10 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C10 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C10 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C10 |
| Sulfate | annual average | report only (mg/L) | all year | C10 |
| Sulfate | annual average | report only (mg/L) | all year | C10 |
| Sulfate | annual average | report only (mL/L) | all year | C10 |
| Sulfate | annual average | report only (mL/L) | all year | C10 |
| pH | annual average | report only (SU) | all year | C11 |
| pH | annual average | report only (SU) | all year | C11 |
| pH | annual average | report only (SU) | all year | C11 |
| pH | annual average | report only (SU) | all year | C11 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C11 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C11 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C11 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C11 |
| Chloride | annual average | report only (mg/L) | all year | C11 |
| Chloride | annual average | report only (mg/L) | all year | C11 |
| Chloride | annual average | report only (mg/L) | all year | C11 |
| Chloride | annual average | report only (mg/L) | all year | C11 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C11 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C11 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C11 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C11 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C11 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C11 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C11 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C11 |
| Sulfate | annual average | report only (mg/L) | all year | C11 |
| Sulfate | annual average | report only (mg/L) | all year | C11 |
| Sulfate | annual average | report only (mL/L) | all year | C11 |
| Sulfate | annual average | report only (mL/L) | all year | C11 |
| pH | annual average | report only (SU) | all year | C12 |
| pH | annual average | report only (SU) | all year | C12 |
| pH | annual average | report only (SU) | all year | C12 |
| pH | annual average | report only (SU) | all year | C12 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C12 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C12 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C12 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C12 |
| Chloride | annual average | report only (mg/L) | all year | C12 |
| Chloride | annual average | report only (mg/L) | all year | C12 |
| Chloride | annual average | report only (mg/L) | all year | C12 |
| Chloride | annual average | report only (mg/L) | all year | C12 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C12 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C12 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C12 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C12 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C12 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C12 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C12 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C12 |
| Sulfate | annual average | report only (mg/L) | all year | C12 |
| Sulfate | annual average | report only (mg/L) | all year | C12 |
| Sulfate | annual average | report only (mg/L) | all year | C12 |
| Sulfate | annual average | report only (mg/L) | all year | C12 |
| pH | annual average | report only (SU) | all year | C13 |
| pH | annual average | report only (SU) | all year | C13 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C13 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C13 |
| Chloride | annual average | report only (mg/L) | all year | C13 |
| Chloride | annual average | report only (mg/L) | all year | C13 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C13 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C13 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C13 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C13 |
| Sulfate | annual average | report only (mg/L) | all year | C13 |
| Sulfate | annual average | report only (mg/L) | all year | C13 |
| pH | annual average | report only (SU) | all year | C14 |
| pH | annual average | report only (SU) | all year | C14 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C14 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C14 |
| Chloride | annual average | report only (mg/L) | all year | C14 |
| Chloride | annual average | report only (mg/L) | all year | C14 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C14 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C14 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C14 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C14 |
| Sulfate | annual average | report only (mg/L) | all year | C14 |
| Sulfate | annual average | report only (mg/L) | all year | C14 |
| pH | annual average | report only (SU) | all year | C15 |
| pH | annual average | report only (SU) | all year | C15 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C15 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C15 |
| Chloride | annual average | report only (mg/L) | all year | C15 |
| Chloride | annual average | report only (mg/L) | all year | C15 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C15 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C15 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C15 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C15 |
| Sulfate | annual average | report only (mg/L) | all year | C15 |
| Sulfate | annual average | report only (mg/L) | all year | C15 |
| pH | annual average | report only (SU) | all year | C16 |
| pH | annual average | report only (SU) | all year | C16 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C16 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C16 |
| Chloride | annual average | report only (mg/L) | all year | C16 |
| Chloride | annual average | report only (mg/L) | all year | C16 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C16 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C16 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C16 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C16 |
| Sulfate | annual average | report only (mL/L) | all year | C16 |
| Sulfate | annual average | report only (mL/L) | all year | C16 |
| pH | annual average | report only (SU) | all year | C17 |
| pH | annual average | report only (SU) | all year | C17 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C17 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C17 |
| Chloride | annual average | report only (mg/L) | all year | C17 |
| Chloride | annual average | report only (mg/L) | all year | C17 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C17 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C17 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C17 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C17 |
| Sulfate | annual average | report only (mg/L) | all year | C17 |
| Sulfate | annual average | report only (mg/L) | all year | C17 |
| pH | annual average | report only (SU) | all year | C18 |
| pH | annual average | report only (SU) | all year | C18 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C18 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C18 |
| Chloride | annual average | report only (mg/L) | all year | C18 |
| Chloride | annual average | report only (mg/L) | all year | C18 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C18 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C18 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C18 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C18 |
| Sulfate | annual average | report only (mg/L) | all year | C18 |
| Sulfate | annual average | report only (mg/L) | all year | C18 |
| pH | annual average | report only (SU) | all year | C19 |
| pH | annual average | report only (SU) | all year | C19 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C19 |
| Manganese, total [as Mn] | annual average | report only (mg/L) | all year | C19 |
| Chloride | annual average | report only (mg/L) | all year | C19 |
| Chloride | annual average | report only (mg/L) | all year | C19 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C19 |
| Solids, total dissolved | annual average | report only (mg/L) | all year | C19 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C19 |
| Nitrogen, nitrate total [as NO3] | annual average | report only (mg/L) | all year | C19 |
| Sulfate | annual average | report only (mg/L) | all year | C19 |
| Sulfate | annual average | report only (mg/L) | all year | C19 |
Cited limits by parameter: Maryland's rules and the federal ones.
Same industry: the 7 Chemicals and Allied Products permits in Maryland.
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Your permit document is the final word. As JSON: /api/v1/permits/MD0001775 · MCP: https://passage-data.com/mcp