Velarion Records

Clean Water Act discharge permit · NPDES SDPG00004

ALKOTA CLEANING SYSTEMS, Alcester, SD: NPDES SDPG00004 discharge permit, effluent exceedances, inspections, penalties

ALKOTA CLEANING SYSTEMS, held by Alkota Cleaning Systems, holds NPDES permit SDPG00004, which discharges to Alcester Potw. EPA’s file records it issued July 1, 2015 and expiring June 30, 2020. 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 filedALKOTA CLEANING SYSTEMS
Permittee as filedAlkota Cleaning Systems
NPDES IDSDPG00004
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 1, 2015
Expiration dateJune 30, 2020
Issuing agencySDDENR
AddressAlcester, SD 57001
Receiving waterAlcester POTW
NAICS332410 – Power Boiler and Heat Exchanger Manufacturing
SIC3559 – Special Industry Machinery
Other EPA IDs (FRS)RCRA handler SDD007495013

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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH6553December 31, 2023
Temperature, water deg. fahrenheit6620
Flow rate6280
Flow, process wastewater6280
Flow, total3170
Duration of discharge3140
Cyanide, total [as CN]6120
Cadmium, total [as Cd]6120
Chromium, total [as Cr]6120
Copper, total [as Cu]6120
Lead, total [as Pb]6120
Nickel, total [as Ni]6120
Silver, total [as Ag]6120
Zinc, total [as Zn]6120
Organics, total toxic [TTO]350

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

DateWhat EPA recordedAgency
February 24, 2025Pretreatment - Baseline Monitoring Report ViolationST6

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, SDPG00004.

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 SDPG00004 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
We’ll email you a link to confirm. Unsubscribe any time.