Clean Water Act discharge permit · NPDES SDR10P5NG
ARROWHEAD, Rapid City, SD: NPDES SDR10P5NG discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ARROWHEAD, held by 3133 holdings LLC, holds NPDES permit SDR10P5NG. EPA’s file records it issued July 14, 2025 and expiring October 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ARROWHEAD |
|---|---|
| Permittee as filed | 3133 holdings LLC |
| NPDES ID | SDR10P5NG |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | July 14, 2025 |
| Expiration date | October 31, 2028 |
| Issuing agency | SDDANR |
| Address | Rapid City, SD 57702 |
| Subwatershed | Canyon Lake-Rapid Creek (HUC 101201100202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES SDR10P5NG.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 14, 2025 | Failure to submit required application or NOI regarding construction stormwater discharges | 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.
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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 SDR10P5NG there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.