Clean Water Act discharge permit · NPDES SD0021539
CLARK, CITY OF, Clark, City Of, SD: NPDES SD0021539 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
CLARK, CITY OF, held by Clark, City of, holds NPDES permit SD0021539, which discharges to Unnamed Tribs To Unnamed Wetlands. EPA’s file records it issued March 26, 2012 and expiring March 31, 2017. 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 | CLARK, CITY OF |
|---|---|
| Permittee as filed | Clark, City of |
| NPDES ID | SD0021539 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 26, 2012 |
| Expiration date | March 31, 2017 |
| Issuing agency | SDDENR |
| Address | Clark, City Of, SD 57225 |
| Receiving water | Unnamed tribs to unnamed wetlands |
| 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
- 12Pollutants on file
- 8Under a numeric limit
- 12With a violation of any kind
- 4With 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, percent removal | 1 | 15 | 11 | June 30, 2014 | 137% over the limit |
| Solids, suspended percent removal | 1 | 11 | 7 | June 30, 2014 | 201% over the limit |
| Solids, total suspended | 3 | 17 | 5 | September 30, 2012 | 158% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 16 | 4 | September 30, 2012 | 100% over the limit |
| Temperature, water deg. centigrade | 2 | 8 | 0 | ||
| Flow rate | 2 | 8 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Flow, total | 1 | 6 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 3 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 3 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 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 SD0021539.
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
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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 SD0021539 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.