Clean Water Act discharge permit · NPDES SD0000027
GCC DACOTAH, Rapid City, SD: NPDES SD0000027 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
GCC DACOTAH, held by GCC Dacotah, holds NPDES permit SD0000027, which discharges to Grays_pd,Lime Crk, Trib Rapid Crk. EPA’s file records it issued February 25, 1999 and expiring December 31, 2003. 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 | GCC DACOTAH |
|---|---|
| Permittee as filed | GCC Dacotah |
| NPDES ID | SD0000027 |
| 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 25, 1999 |
| Expiration date | December 31, 2003 |
| Address | Rapid City, SD 57702 |
| Receiving water | GRAYS_PD,LIME CRK, TRIB RAPID CRK |
| Subwatershed | Canyon Lake-Rapid Creek (HUC 101201100202) |
| NAICS | 327310 – Cement Manufacturing |
| SIC | 3241 – Cement, Hydraulic |
| Other EPA IDs (FRS) | RCRA handler SDD007265697; ICIS-AIR source SD0000004610300052 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 16Pollutants on file
- 0Under a numeric limit
- 16With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 0 | 19 | 13 | August 31, 2024 | 178% over the limit |
| Floating solids, waste or visible foam-visual | 0 | 6 | 2 | February 28, 2023 | |
| Temperature, water deg. fahrenheit | 0 | 23 | 1 | July 31, 2012 | 1% over the limit |
| Temperature, water deg. centigrade | 0 | 1 | 1 | September 30, 2008 | 1% over the limit |
| Oil and grease, hexane extr method | 0 | 21 | 0 | ||
| Flow, process wastewater | 0 | 14 | 0 | ||
| Total production - mass | 0 | 9 | 0 | ||
| Flow rate | 0 | 8 | 0 | ||
| Nickel, total recoverable | 0 | 8 | 0 | ||
| Zinc, total recoverable | 0 | 8 | 0 | ||
| Copper, total recoverable | 0 | 8 | 0 | ||
| pH | 0 | 6 | 0 | ||
| Alkalinity, total [as CaCO3] | 0 | 5 | 0 | ||
| Solids, total dissolved | 0 | 4 | 0 | ||
| Oil and grease visual | 0 | 3 | 0 | ||
| Hydrocarbons, petroleum | 0 | 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 SD0000027.
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 SD0000027 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.