Clean Water Act discharge permit · NPDES SD0028134
SD SCIENCE AND TECHNOLOGY AUTHORITY, Lead, SD: NPDES SD0028134 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 30Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SD SCIENCE AND TECHNOLOGY AUTHORITY, held by SD Science And Technology Authority, holds NPDES permit SD0028134, which discharges to Gold Run, Whitewood Creek. EPA’s file records it issued June 12, 2007 and expiring June 30, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SD SCIENCE AND TECHNOLOGY AUTHORITY |
|---|---|
| Permittee as filed | SD Science And Technology Authority |
| NPDES ID | SD0028134 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 12, 2007 |
| Expiration date | June 30, 2012 |
| Issuing agency | SDDANR |
| Address | Lead, SD 57754 |
| Receiving water | Gold Run, Whitewood Creek |
| Subwatershed | Upper Whitewood Creek (HUC 101202020207) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 30Pollutants on file
- 30Under a numeric limit
- 30With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Temperature, water deg. fahrenheit | 8 | 24 | 0 | ||
| Conductivity | 8 | 24 | 0 | ||
| pH | 8 | 24 | 0 | ||
| Solids, total suspended | 8 | 24 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 24 | 0 | ||
| Nitrogen, nitrate total [as N] | 8 | 24 | 0 | ||
| Cyanide, weak acid, dissociable | 8 | 24 | 0 | ||
| Arsenic, total recoverable | 8 | 24 | 0 | ||
| Selenium, total recoverable | 8 | 24 | 0 | ||
| Nickel, total recoverable | 8 | 24 | 0 | ||
| Silver total recoverable | 8 | 24 | 0 | ||
| Cadmium, total recoverable | 8 | 24 | 0 | ||
| Lead, total recoverable | 8 | 24 | 0 | ||
| Copper, total recoverable | 8 | 24 | 0 | ||
| Solids, total dissolved | 8 | 24 | 0 | ||
| Mercury, total recoverable | 8 | 24 | 0 | ||
| Hardness, total [as CaCO3] | 8 | 22 | 0 | ||
| Zinc, total recoverable | 8 | 22 | 0 | ||
| Selenite, Total Recoverable | 8 | 16 | 0 | ||
| Selenate, Total Recoverable | 8 | 16 | 0 | ||
| Flow rate | 4 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 12 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 12 | 0 | ||
| Chromium, total recoverable | 4 | 12 | 0 | ||
| Chromium, trivalent total recoverable | 4 | 12 | 0 | ||
| Chromium, hexavalent tot recoverable | 4 | 12 | 0 | ||
| Hydrocarbons, total petroleum | 4 | 12 | 0 | ||
| Oil and grease visual | 4 | 12 | 0 | ||
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 6 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 2 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SD0028134.
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SD0028134.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, SD0028134.
Start the watch
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- One watershed — $2,990/year
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How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID SD0028134 there.
Nearby on the register
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.