Velarion Records
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
You’ll confirm on The Pay Desk’s sign-up page.

Clean Water Act discharge permit · NPDES SDG589524

PORCUPINE DAY SCHOOL, Porcupine, SD: NPDES SDG589524 discharge permit, effluent exceedances, inspections, penalties

PORCUPINE DAY SCHOOL holds NPDES permit SDG589524. EPA’s file records it issued April 25, 2016 and expiring December 31, 2020. 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 PORCUPINE DAY SCHOOL: its NPDES ID, its permit type and status, its dates, its address in Porcupine, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDG589524.

Identity

Facility as filedPORCUPINE DAY SCHOOL
Permittee as filedPORCUPINE DAY SCHOOL
NPDES IDSDG589524
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 25, 2016
Expiration dateDecember 31, 2020
Issuing agencyUS EPA REGION 8
AddressPorcupine, SD 57772
SubwatershedPorcupine Butte-Porcupine Creek (HUC 101402011702)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES SDG589524.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES SDG589524.

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, SDG589524.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 SDG589524 there.

Nearby on the register

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