NPDES permit SD0028631 · Minor FEDERAL · administratively continued, expires 2026-08-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2026-08-31 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: 2026-08-31.
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 | Temperature, water deg. fahrenheit | 30DA AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Flow rate | 30DA AVG | report only | all year |
| 001 | Flow rate | DAILY MX | report only | all year |
| 001 | Conductivity | 30DA AVG | <= 2500 umho/cm | all year |
| 001 | Conductivity | DAILY MX | <= 4375 umho/cm | all year |
| 001 | pH | DAILY MN | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Floating solids, waste or visible foam-visual | VALUE | <= 0 abst=0;prst=1 | all year |
| 001 | Flow, total | MO TOTAL | report only | all year |
| 001 | Solids, total dissolved | 30DA AVG | <= 2500 mg/L | all year |
| 001 | Solids, total dissolved | DAILY MX | <= 4375 mg/L | all year |
| 001 | Duration of discharge | 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