NPDES permit MD0024635 · Minor NON-POTW · expired, expires 2026-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2026-01-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Oxygen, dissolved [DO] (1).
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 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | MX DA AV | report only | all year |
| 001 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | MX DA AV | report only | all year |
| 001 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | MX DA AV | report only | all year |
| 001 | Oxygen, dissolved [DO] | INST MIN | >= 7 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 12 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 18 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 1.4 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 3.5 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 2.1 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 5.3 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 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 | <= 3.5 lb/d | all year |
| 001 | Solids, total suspended | MX WK AV | <= 5.3 lb/d | all year |
| 001 | Oil & Grease | MO AVG | report only | all year |
| 001 | Oil & Grease | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= 3.4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= 1.6 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MX DA AV | <= 9.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX DA AV | <= 5.4 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= .4 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= .18 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MX DA AV | <= 1.07 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX DA AV | <= .63 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 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 |
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