Clean Water Act discharge permit · NPDES SD0022438
IROQUOIS, CITY OF, Iroquois, City Of, SD: NPDES SD0022438 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
IROQUOIS, CITY OF, held by IROQUOIS - CITY OF, holds NPDES permit SD0022438, which discharges to South Fork Of Pearl Creek. EPA’s file records it issued November 26, 2002 and expiring December 31, 2007. 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 | IROQUOIS, CITY OF |
|---|---|
| Permittee as filed | IROQUOIS - CITY OF |
| NPDES ID | SD0022438 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 26, 2002 |
| Expiration date | December 31, 2007 |
| Address | Iroquois, City Of, SD 57353 |
| Receiving water | SOUTH FORK OF PEARL CREEK |
| Subwatershed | Upper South Fork Pearl Creek (HUC 101600061104) |
| 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
- 9Pollutants on file
- 0Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 74 | 8 | March 31, 2016 | 111% over the limit |
| pH | 0 | 67 | 1 | April 30, 1999 | |
| Flow rate | 0 | 66 | 0 | ||
| Solids, total suspended | 0 | 66 | 0 | ||
| Temperature, water deg. centigrade | 0 | 18 | 0 | ||
| Flow, total | 0 | 6 | 0 | ||
| Duration of discharge | 0 | 6 | 0 | ||
| Duration | 0 | 4 | 0 | ||
| Flow, total | 0 | 3 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SD0022438.
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, SD0022438.
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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 SD0022438 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.