Clean Water Act discharge permit · NPDES SD0027227
MAGELLAN PIPELINE COMPANY L.P. (RAPID CITY TERMINAL), Rapid City, SD: NPDES SD0027227 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 21Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
MAGELLAN PIPELINE COMPANY L.P. (RAPID CITY TERMINAL), held by ROCKY MOUNTAIN PIPELINE SYSTEM, holds NPDES permit SD0027227, which discharges to Drain Ditch To Unname Trib Of Be Cr. EPA’s file records it issued February 23, 2007 and expiring March 31, 2012. 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 | MAGELLAN PIPELINE COMPANY L.P. (RAPID CITY TERMINAL) |
|---|---|
| Permittee as filed | ROCKY MOUNTAIN PIPELINE SYSTEM |
| NPDES ID | SD0027227 |
| 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 23, 2007 |
| Expiration date | March 31, 2012 |
| Address | Rapid City, SD 57703 |
| Receiving water | DRAIN DITCH TO UNNAME TRIB OF BE CR |
| Subwatershed | 101201110306-Boxelder Creek (HUC 101201110306) |
| Other EPA IDs (FRS) | ICIS-AIR source SD0000004610300042 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 25Pollutants on file
- 21Under a numeric limit
- 25With 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 |
|---|---|---|---|---|---|
| pH | 2 | 69 | 3 | August 31, 2005 | |
| Floating solids, waste or visible foam-visual | 1 | 36 | 2 | September 30, 2003 | |
| Benzene, ethylbenzene, toluene, xylene combination | 2 | 67 | 1 | August 31, 2005 | 52% over the limit |
| Flow rate | 2 | 68 | 0 | ||
| Benzene | 2 | 68 | 0 | ||
| Oil and grease visual | 1 | 34 | 0 | ||
| Hydrocarbons, petroleum | 1 | 30 | 0 | ||
| Temperature, water deg. centigrade | 2 | 18 | 0 | ||
| Flow, total | 1 | 9 | 0 | ||
| Duration of discharge | 1 | 9 | 0 | ||
| Arsenic, total recoverable | 1 | 8 | 0 | ||
| Selenium, total recoverable | 1 | 8 | 0 | ||
| Nickel, total recoverable | 1 | 8 | 0 | ||
| Silver total recoverable | 1 | 8 | 0 | ||
| Zinc, total recoverable | 1 | 8 | 0 | ||
| Cadmium, total recoverable | 1 | 8 | 0 | ||
| Lead, total recoverable | 1 | 8 | 0 | ||
| Chromium, total recoverable | 1 | 8 | 0 | ||
| Copper, total recoverable | 1 | 8 | 0 | ||
| Oil and grease, hexane extr method | 0 | 8 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 7 | 0 | ||
| Mercury, total recoverable | 1 | 6 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 2 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 2 | 0 | ||
| Mercury, total [as Hg] | 0 | 2 | 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 SD0027227.
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 SD0027227 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 September 15, 2026.