Clean Water Act discharge permit · NPDES SD0028628
YANKTON, CITY OF WATER PURIFICATION FACILITY, Yankton, SD: NPDES SD0028628 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
YANKTON, CITY OF WATER PURIFICATION FACILITY, held by Yankton, City of Water Purification Facility, holds NPDES permit SD0028628, which discharges to Missouri River. EPA’s file records it issued October 1, 2019 and expiring September 30, 2024. 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 | YANKTON, CITY OF WATER PURIFICATION FACILITY |
|---|---|
| Permittee as filed | Yankton, City of Water Purification Facility |
| NPDES ID | SD0028628 |
| 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 | October 1, 2019 |
| Expiration date | September 30, 2024 |
| Issuing agency | SDDANR |
| Address | Yankton, SD 57078 |
| Receiving water | Missouri River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lake Yankton-Missouri River (HUC 101701011204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 1With 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 |
|---|---|---|---|---|---|
| Flow, total | 1 | 23 | 0 | ||
| Flow rate | 2 | 0 | 0 | ||
| Conductivity | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 0 | 0 | ||
| Chloride [as Cl] | 2 | 0 | 0 | ||
| Sulfate, total [as SO4] | 2 | 0 | 0 | ||
| Solids, total dissolved | 2 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SD0028628.
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 SD0028628.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, SD0028628.
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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 SD0028628 there.
Nearby on the register
- Discharge permits in Yankton
- Every permit record in Yankton, 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.