NPDES permit MD0053171 · Minor NON-POTW · effective, expires 2029-06-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. fahrenheit | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Temperature, water deg. fahrenheit | DAILY AV | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Oxygen, dissolved [DO] | INST MIN | >= 6 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 30 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 45 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 6.2 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 9.4 lb/d | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 8.5 SU | all year |
| 001 | Solids, total suspended | MX MO AV | <= 30 mg/L | all year |
| 001 | Solids, total suspended | MX WK AV | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MX MO AV | <= 6.2 lb/d | all year |
| 001 | Solids, total suspended | MX WK AV | <= 9.4 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= 1.3 mL/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX DA AV | <= 6.8 mL/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MX DA AV | <= 13 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= .3 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= .8 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | <= 1.4 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MX WK AV | <= 2.7 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | E. coli | GX | <= 126 MPN/100mL | all year |
| 001 | BOD, 5-day, percent removal | MINIMUM | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MINIMUM | >= 85 % | all year |
| 101 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 101 | Solids, total suspended | MO AVG | report only | 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