NPDES permit SD0027685 · Minor NON-POTW · administratively continued, expires 2012-12-31 · EPA's file as of 2026-09-19
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This permit expired on 2012-12-31 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: 2026-06-30.
Reports are due about 28 days after each monitoring period ends (the most common figure among SD permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. centigrade | 30DA AVG | report only | all year |
| 001 | Temperature, water deg. centigrade | 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 | Oxygen, dissolved [DO] | DAILY MN | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 30 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 45 mg/L | all year |
| 001 | pH | DAILY MN | >= 6.6 SU | all year |
| 001 | pH | DAILY MX | <= 8.6 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 53 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 1.8 mg/L | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MN | report only | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | report only | all year |
| 001 | Arsenic, total recoverable | DAILY MX | report only | all year |
| 001 | Selenium, total recoverable | 30DA AVG | <= 4.6 ug/L | all year |
| 001 | Selenium, total recoverable | DAILY MX | <= 12.8 ug/L | all year |
| 001 | Selenite, Total Recoverable | 30DA AVG | report only | all year |
| 001 | Selenite, Total Recoverable | DAILY MX | report only | all year |
| 001 | Nickel, total recoverable | 30DA AVG | report only | all year |
| 001 | Nickel, total recoverable | DAILY MX | report only | all year |
| 001 | Silver total recoverable | 30DA AVG | report only | all year |
| 001 | Silver total recoverable | DAILY MX | report only | all year |
| 001 | Zinc, total recoverable | 30DA AVG | report only | all year |
| 001 | Zinc, total recoverable | DAILY MX | report only | all year |
| 001 | Cadmium, total recoverable | 30DA AVG | report only | all year |
| 001 | Cadmium, total recoverable | DAILY MX | report only | all year |
| 001 | Lead, total recoverable | 30DA AVG | report only | all year |
| 001 | Lead, total recoverable | DAILY MX | report only | all year |
| 001 | Copper, total recoverable | 30DA AVG | report only | all year |
| 001 | Copper, total recoverable | DAILY MX | report only | all year |
| 001 | Chromium, trivalent total recoverable | 30DA AVG | report only | all year |
| 001 | Chromium, trivalent total recoverable | DAILY MX | report only | all year |
| 001 | Toluene | 30DA AVG | report only | all year |
| 001 | Toluene | DAILY MX | report only | all year |
| 001 | Floating solids, waste or visible foam-visual | DAILY MX | <= 0 N=0;Y=1 | all year |
| 001 | Phenols | 30DA AVG | report only | all year |
| 001 | Phenols | DAILY MX | report only | all year |
| 001 | Flow, total | MO TOTAL | report only | all year |
| 001 | Selenate, Total Recoverable | 30DA AVG | report only | all year |
| 001 | Selenate, Total Recoverable | DAILY MX | report only | all year |
| 001 | Mercury, total recoverable | 30DA AVG | report only | all year |
| 001 | Mercury, total recoverable | DAILY MX | report only | all year |
| 001 | Chromium, hexavalent tot recoverable | 30DA AVG | report only | all year |
| 001 | Chromium, hexavalent tot recoverable | DAILY MX | report only | all year |
| 001 | Duration of discharge | MO TOTAL | report only | all year |
| 001 | Hydrocarbons, total petroleum | DAILY MX | <= 1 mg/L | all year |
| 001 | Oil and grease visual | DAILY MX | <= 0 N=0;Y=1 | 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