NPDES permit MD0062391 · Minor NON-POTW · expired, expires 2026-02-28 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2026-02-28 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 (the most common figure among MD permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 8.5 SU | all year |
| 001 | Solids, total suspended | MX MO AV | <= 20 mg/L | all year |
| 001 | Solids, total suspended | MX DA AV | <= 30 mg/L | all year |
| 001 | Solids, total suspended | ANNL MAX | <= 2740 lb/yr | all year |
| 001 | Aluminum, total recoverable | MX MO AV | <= 2 mg/L | all year |
| 001 | Aluminum, total recoverable | MX DA AV | <= 3 mg/L | 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 | DAILY MX | <= .1 mg/L | all year |
| 001 | Flow, total | 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