NPDES permit MD0020249 · Minor POTW · effective, expires 2029-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: Enterococci (1), Phosphorus, total [as P] (1).
Reports are due about 28 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 | Color [PT-CO units] | MO AVG | report only | all year |
| 001 | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 20 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 30 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 30 mg/L | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 45 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 130 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 190 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 190 lb/d | May, Jun, Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 280 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 | 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 | <= 190 lb/d | all year |
| 001 | Solids, total suspended | MX WK AV | <= 280 lb/d | all year |
| 001 | Solids, total suspended | CUM TOTL | <= 68525 lb/yr | all year |
| 001 | Solids, total suspended | MO TOTAL | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | CUM TOTL | <= 9137 lb/yr | all year |
| 001 | Nitrogen, total [as N] | MO TOTAL | report only | all year |
| 001 | Nitrogen, total [as N] | ANNL TOT | report only | all year |
| 001 | Nitrogen, total [as N] | ANNL TOT | report only | all year |
| 001 | Nitrogen, organic total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, organic total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= 7.6 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jan, Feb, Mar, Apr, Dec |
| 001 | Nitrogen, ammonia total [as N] | MX MO AV | <= 47 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jan, Feb, Mar, Apr, Dec |
| 001 | Nitrogen, Kjeldahl, total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MX MO AV | <= .72 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | MX MO AV | <= 4.5 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | ANNL MAX | <= 685 lb/yr | all year |
| 001 | Phosphorus, total [as P] | MO TOTAL | report only | all year |
| 001 | Phosphorus, total [as P] | ANNL TOT | report only | all year |
| 001 | Phosphorus, total [as P] | ANNL TOT | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO TOTAL | <= 135 lb/mo | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphate, ortho [as P] | MO AVG | report only | all year |
| 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 | Chlorine, total residual | MAXIMUM | < .1 mg/L | all year |
| 001 | Enterococci | MAXIMUM | <= 35 MPN/100mL | all year |
| 001 | BOD, 5-day, percent removal | MINIMUM | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MINIMUM | >= 85 % | all year |
| 001 | Flow, total | TOTAL | report only | all year |
| 001 | Flow, total | ANNL TOT | report only | all year |
| 001 | Flow, total | ANNL TOT | report only | 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 |
| TRAD | Solids, total suspended | CUM TOTL | report only | all year |
| TRAD | Solids, total suspended | CUM TOTL | report only | all year |
| TRAD | Nitrogen, total [as N] | CUM TOTL | report only | all year |
| TRAD | Nitrogen, total [as N] | CUM TOTL | report only | all year |
| TRAD | Phosphorus, total [as P] | CUM TOTL | report only | all year |
| TRAD | Phosphorus, total [as P] | CUM TOTL | report only | all year |
| TRAD | Flow | YA | 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