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Health And Allied Services, Jefferson, Maryland. NPDES permit MD0067521 expired Jul 31, 2026; its limits still apply. Last 12 months: no values over a limit, 18 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 2.5 lb/d | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 3.8 lb/d | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | maximum monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | maximum monthly average | ≤ 2.5 lb/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 3.8 lb/d | all year |
| Solids, total suspended | monthly total | report only (lb/mo) | all year |
| Solids, total suspended | annual maximum | report only (lb/yr) | all year |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3.4 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | maximum daily average | ≤ 10.3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ .28 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | maximum daily average | ≤ .86 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly total | report only (lb/mo) | all year |
| Phosphorus, total [as P] | annual maximum | report only (lb/yr) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | maximum | < .1 mg/L | all year |
| E. coli | maximum monthly geometric mean | ≤ 126 MPN/100mL | all year |
| Flow, total | monthly total | report only (Mgal/mo) | all year |
Cited limits by parameter: Maryland's rules and the federal ones.
Same industry: the 3 Health Services 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/MD0067521 · MCP: https://passage-data.com/mcp