NPDES permit MD0067482 · Minor FEDERAL · administratively continued, expires 2026-06-30 · EPA's file as of 2026-09-19
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This permit expired on 2026-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-06-30.
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 | DAILY MX | <= 90 deg F | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 8.5 SU | all year |
| 001 | Hardness, total [as CaCO3] | QRTR AVG | report only | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Copper, dissolved [as Cu] | QRTR AVG | report only | all year |
| 001 | Copper, dissolved [as Cu] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | QRTR AVG | <= 26.3 mg/L | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= 42.4 mg/L | all year |
| 001 | Chlorine, total residual | QRTR AVG | <= .1 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .1 mg/L | all year |
| 001 | Flow | QRTR AVG | report only | all year |
| 001 | Flow | DAILY MX | report only | all year |
| 004 | Temperature, water deg. fahrenheit | DAILY MX | <= 90 deg F | all year |
| 004 | pH | MINIMUM | >= 6.5 SU | all year |
| 004 | pH | DAILY MX | <= 8.5 SU | all year |
| 004 | Hardness, total [as CaCO3] | QRTR AVG | report only | all year |
| 004 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 004 | Copper, dissolved [as Cu] | QRTR AVG | report only | all year |
| 004 | Copper, dissolved [as Cu] | DAILY MX | report only | all year |
| 004 | Copper, total [as Cu] | QRTR AVG | <= 36.4 mg/L | all year |
| 004 | Copper, total [as Cu] | DAILY MX | <= 58.6 mg/L | all year |
| 004 | Chlorine, total residual | QRTR AVG | <= .1 mg/L | all year |
| 004 | Chlorine, total residual | DAILY MX | <= .1 mg/L | all year |
| 004 | Flow | QRTR AVG | report only | all year |
| 004 | Flow | DAILY MX | 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