Clean Water Act discharge permit · NPDES SD0020133
TYNDALL, CITY OF, Tyndall, City Of, SD: NPDES SD0020133 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TYNDALL, CITY OF, held by TYNDALL - CITY OF, holds NPDES permit SD0020133, which discharges to Silver Creek. EPA’s file records it issued January 28, 2003 and expiring March 31, 2008. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TYNDALL, CITY OF |
|---|---|
| Permittee as filed | TYNDALL - CITY OF |
| NPDES ID | SD0020133 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 28, 2003 |
| Expiration date | March 31, 2008 |
| Issuing agency | SDDENR |
| Address | Tyndall, City Of, SD 57066 |
| Receiving water | SILVER CREEK |
| Subwatershed | Upper Lewis and Clark Lake (HUC 101701010906) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 7Pollutants on file
- 0Under a numeric limit
- 7With 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. centigrade | 0 | 6 | 0 | ||
| Flow rate | 0 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 6 | 0 | ||
| pH | 0 | 6 | 0 | ||
| Solids, total suspended | 0 | 6 | 0 | ||
| Flow, total | 0 | 3 | 0 | ||
| Duration of discharge | 0 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SD0020133.
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 SD0020133.
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, SD0020133.
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- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 SD0020133 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.