Clean Water Act discharge permit · NPDES SDPIU0021

RAPID VALLEY SANITARY DISTRICT, Rapid City, SD: NPDES SDPIU0021 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

RAPID VALLEY SANITARY DISTRICT, held by Rapid Valley Sanitary District, holds NPDES permit SDPIU0021. EPA’s file records it issued January 1, 2025 and expiring December 31, 2029. 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.

What the register holds for RAPID VALLEY SANITARY DISTRICT: its NPDES ID, its permit type and status, its dates, its address in Rapid City, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDPIU0021.

Identity

Facility as filed	RAPID VALLEY SANITARY DISTRICT
Permittee as filed	Rapid Valley Sanitary District
NPDES ID	SDPIU0021
Permit status	Effective
Permit type	Individual industrial user permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 1, 2025
Expiration date	December 31, 2029
Issuing agency	Rapid City, City Of
Address	Rapid City, SD 57703
Other EPA IDs (FRS)	RCRA handler SDR000215699

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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 SDPIU0021.

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 SDPIU0021.

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, SDPIU0021.

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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 SDPIU0021 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

Rapid Valley Sanitary District, one of 8 individual industrial user permits on EPA's NPDES register in Pennington County, sits among its peers with a violation record of 0.0% across that group of 8. Of the 7 individual industrial user permits in Pennington County, 57.1% were issued before this one, placing it in the middle of the county's group by issue date. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.