NPDES permit MD0001384 · Major NON-POTW · expired, expires 2026-01-31 · EPA's file as of 2026-09-19
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This 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.
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 | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 30 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 | DAILY MX | <= 45 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 260 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MX MO AV | <= 491 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 384 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 627 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 | DAILY MX | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MX MO AV | <= 34.4 lb/d | all year |
| 001 | Solids, total suspended | ANNL MAX | <= 7631 lb/yr | all year |
| 001 | Solids, total suspended | DAILY MX | <= 144 lb/d | all year |
| 001 | Solids, total suspended | MY | report only | all year |
| 001 | Solids, settleable | DAILY MX | <= .2 mL/L | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, total [as N] | MO TOTAL | report only | all year |
| 001 | Nitrogen, total [as N] | CUM TOTL | <= 1967 lb/yr | all year |
| 001 | Nitrogen, organic total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, organic total [as N] | DAILY MX | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | MX MO AV | <= .3 mg/L | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | <= 2 mg/L | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MO TOTAL | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | CUM TOTL | <= 126 lb/yr | all year |
| 001 | Toxicity | DAILY MX | <= 1 toxic | all year |
| 001 | Temp. diff. between up/down stream deg. F | DAILY MX | <= 0 deg F | Jun, Jul, Aug, Sep |
| 001 | Pentachlorophenol | MX MO AV | <= 1 ug/L | all year |
| 001 | Pentachlorophenol | DAILY MX | <= 1 ug/L | all year |
| 001 | Pentachlorophenol | DAILY MX | <= .794 lb/d | 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 | MX MO AV | <= .1 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .1 mg/L | all year |
| 001 | E. coli | GX | <= 126 MPN/100mL | all year |
| 001 | Nitrogen, Ammonia Total | MO AVG | report only | all year |
| 001 | Nitrogen, Ammonia Total | DAILY MX | report only | all year |
| 001 | Trichlorophenol | MX MO AV | <= 14 ug/L | all year |
| 001 | Trichlorophenol | MX DA AV | <= 14 ug/L | all year |
| 001 | Trichlorophenol | DAILY MX | <= .28 lb/d | all year |
| 001 | Flow, total | MO TOTAL | 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