Clean Water Act discharge permit · NPDES OK0100676
SOFIDAL AMERICA, CORP.-AUTUMN II ON SITE, Inola, OK: NPDES OK0100676 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
SOFIDAL AMERICA, CORP.-AUTUMN II ON SITE, held by SOFIDEL AMERICA CORP HQ, holds NPDES permit OK0100676, which discharges to 121500 Verdigris River. EPA’s file records it issued July 16, 2018 and expiring July 31, 2023. 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 | SOFIDAL AMERICA, CORP.-AUTUMN II ON SITE |
|---|---|
| Permittee as filed | SOFIDEL AMERICA CORP HQ |
| NPDES ID | OK0100676 |
| 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 | July 16, 2018 |
| Expiration date | July 31, 2023 |
| Issuing agency | OKDEQ |
| Address | Inola, OK 74036 |
| Receiving water | 121500 Verdigris River |
| Subwatershed | Commodore Creek-Verdigris River (HUC 110701050306) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 18Under a numeric limit
- 9With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 19 | 9 | November 30, 2020 | 48% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 18 | 8 | February 28, 2026 | 33% over the limit |
| Solids, total suspended | 4 | 17 | 7 | December 31, 2025 | 250% over the limit |
| pH | 2 | 1 | 1 | April 30, 2020 | |
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| Cadmium, total [as Cd] | 3 | 1 | 0 | ||
| Nickel, total [as Ni] | 3 | 1 | 0 | ||
| Selenium, total [as Se] | 3 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 1 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Total phenols | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 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 OK0100676.
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
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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 OK0100676 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.