Clean Water Act discharge permit · NPDES SD0020061
VERMILLION, CITY OF, Vermillion, SD: NPDES SD0020061 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 32Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
VERMILLION, CITY OF, held by Vermillion, City of, holds NPDES permit SD0020061, which discharges to Vermillion River (Missouri River). EPA’s file records it issued December 16, 2002 and expiring December 31, 2007. 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 | VERMILLION, CITY OF |
|---|---|
| Permittee as filed | Vermillion, City of |
| NPDES ID | SD0020061 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 16, 2002 |
| Expiration date | December 31, 2007 |
| Address | Vermillion, SD 57069 |
| Receiving water | VERMILLION RIVER (MISSOURI RIVER) |
| Subwatershed | Outlet Vermillion River (HUC 101701022005) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 33Pollutants on file
- 32Under a numeric limit
- 8With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Coliform, total general | 2 | 2 | 2 | December 31, 1996 | 35% over the limit |
| pH | 2 | 1 | 1 | October 31, 2000 | |
| Flow rate | 2 | 2 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 1 | 1 | 0 | ||
| Solids, total suspended | 4 | 0 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Cyanide, weak acid, dissociable | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Arsenic, total [as As] | 1 | 0 | 0 | ||
| Beryllium, total [as Be] | 1 | 0 | 0 | ||
| Cadmium, total [as Cd] | 1 | 0 | 0 | ||
| Chromium, total [as Cr] | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Thallium, total [as Tl] | 1 | 0 | 0 | ||
| Nickel, total [as Ni] | 1 | 0 | 0 | ||
| Silver, total [as Ag] | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 0 | ||
| Antimony, total [as Sb] | 1 | 0 | 0 | ||
| Selenium, total [as Se] | 1 | 0 | 0 | ||
| Phenols | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 0 | 0 |
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 7, 2024 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| June 27, 2024 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| June 23, 2024 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
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, SD0020061.
Start the watch
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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 SD0020061 there.
Nearby on the register
- Discharge permits in Vermillion
- Every permit record in Vermillion, A to Z
- Discharge permits in South Dakota
- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.