Clean Water Act discharge permit · NPDES SD0020109
NISLAND, TOWN OF, Nisland, Town Of, SD: NPDES SD0020109 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
NISLAND, TOWN OF, held by Nisland, town of, holds NPDES permit SD0020109, which discharges to Belle Fourche River. EPA’s file records it issued January 1, 2008 and expiring December 31, 2012. 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 | NISLAND, TOWN OF |
|---|---|
| Permittee as filed | Nisland, town of |
| NPDES ID | SD0020109 |
| 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 | January 1, 2008 |
| Expiration date | December 31, 2012 |
| Issuing agency | SDDENR |
| Address | Nisland, Town Of, SD 57762 |
| Receiving water | Belle Fourche River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Belle Fourche River-Maloney Creek (HUC 101202020204) |
| 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
- 13Pollutants on file
- 12Under a numeric limit
- 13With a violation of any kind
- 3With 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] | 6 | 34 | 6 | April 30, 2005 | 713% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 33 | 5 | April 30, 2005 | 70% over the limit |
| Solids, total suspended | 4 | 33 | 5 | April 30, 2005 | 300% over the limit |
| Temperature, water deg. centigrade | 4 | 28 | 0 | ||
| Flow rate | 4 | 28 | 0 | ||
| pH | 4 | 28 | 0 | ||
| Coliform, fecal general | 4 | 18 | 0 | ||
| Duration of discharge | 1 | 16 | 0 | ||
| Chlorine, total residual | 0 | 12 | 0 | ||
| Conductivity | 2 | 2 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 2 | 0 | ||
| Solids, total dissolved | 2 | 2 | 0 | ||
| Flow, total | 1 | 1 | 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 SD0020109.
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, SD0020109.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 SD0020109 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.