Clean Water Act discharge permit · NPDES SD0023779
TROUT HAVEN RANCH, Buffalo Gap, SD: NPDES SD0023779 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
TROUT HAVEN RANCH, held by Trout Haven Ranch, holds NPDES permit SD0023779, which discharges to Beaver Creek. EPA’s file records it issued February 16, 2006 and expiring December 31, 2010. 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 | TROUT HAVEN RANCH |
|---|---|
| Permittee as filed | Trout Haven Ranch |
| NPDES ID | SD0023779 |
| 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 | February 16, 2006 |
| Expiration date | December 31, 2010 |
| Issuing agency | SDDENR |
| Address | Buffalo Gap, SD 57722 |
| Receiving water | BEAVER CREEK |
| Subwatershed | Lower Beaver Creek (HUC 101201090204) |
| NAICS | 112511 – Finfish Farming and Fish Hatcheries |
| SIC | 0921 – Fish Hatcheries And Preserves |
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
- 9Under a numeric limit
- 12With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 30 | 1,118 | 15 | December 31, 2014 | 287% over the limit |
| pH | 12 | 480 | 0 | ||
| Nitrogen, ammonia total [as N] | 12 | 480 | 0 | ||
| Temperature, water deg. centigrade | 12 | 478 | 0 | ||
| Flow rate | 6 | 275 | 0 | ||
| Fish feed used | 6 | 239 | 0 | ||
| Floating solids, waste or visible foam-visual | 6 | 239 | 0 | ||
| Duration | 6 | 147 | 0 | ||
| Biomass, fish | 9 | 141 | 0 | ||
| Solids, total suspended, diff. between up/down stream | 0 | 72 | 0 | ||
| Flow, total | 0 | 36 | 0 | ||
| Duration of discharge | 0 | 36 | 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 SD0023779.
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 SD0023779 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.