NPDES permit MD0052680 · Minor NON-POTW · effective, expires 2028-02-29 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
Last period with anything received: 2026-07-31.
Reports are due about 28 days after each monitoring period ends (the most common figure among MD permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 12 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | 7 DA AVG | <= 18 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | 7 DA AVG | <= 45 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 1 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 2.5 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | 7 DA AVG | <= 1.5 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | 7 DA AVG | <= 3.8 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 8.5 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 45 mg/L | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 2.5 lb/d | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 3.8 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.2 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 2.2 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 7.7 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 8.4 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MY | <= .1 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | MY | <= .18 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= .64 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | Nitrogen, ammonia total [as N] | WKLY MAX | <= .7 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | 30DA AVG | report only | all year |
| 001 | Chlorine, total residual | MAXIMUM | <= .1 mg/L | all year |
| 001 | E. coli | GEO MEAN | <= 126 MPN/100mL | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states