Clean Water Act discharge permit · NPDES SD0020966
SALEM, CITY OF, Salem, SD: NPDES SD0020966 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
SALEM, CITY OF, held by Salem, City of, holds NPDES permit SD0020966, which discharges to Snake Creek. EPA’s file records it issued March 19, 2014 and expiring March 31, 2019. 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 | SALEM, CITY OF |
|---|---|
| Permittee as filed | Salem, City of |
| NPDES ID | SD0020966 |
| 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 | March 19, 2014 |
| Expiration date | March 31, 2019 |
| Issuing agency | SDDENR |
| Address | Salem, SD 57058 |
| Receiving water | Snake Creek |
| Subwatershed | City of Salem-West Fork Vermillion River (HUC 101701020504) |
| Program components on file | POTW, Pretreatment |
| 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
- 15Pollutants on file
- 11Under a numeric limit
- 14With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 20 | 203 | 17 | April 30, 2026 | 286% over the limit |
| Solids, total suspended | 2 | 197 | 10 | July 31, 2017 | 73% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 191 | 2 | March 31, 2023 | 31% over the limit |
| E. coli, colony forming units [CFU] | 2 | 31 | 2 | August 31, 2025 | 105% over the limit |
| pH | 2 | 187 | 1 | April 30, 2003 | |
| Temperature, water deg. centigrade | 2 | 186 | 0 | ||
| Flow rate | 2 | 186 | 0 | ||
| Duration of discharge | 1 | 91 | 0 | ||
| Chlorine, total residual | 0 | 71 | 0 | ||
| Flow, total | 1 | 61 | 0 | ||
| Coliform, fecal general | 0 | 53 | 0 | ||
| Flowing, Receiving Stream | 1 | 22 | 0 | ||
| Nitrogen, total [as N] | 0 | 5 | 0 | ||
| Phosphorus, total [as P] | 0 | 5 | 0 | ||
| Stream flow, estimated | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 21, 2024 | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| June 21, 2024 | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no 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
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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 SD0020966 there.
Nearby on the register
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.