Clean Water Act discharge permit · NPDES OK0021636
PORUM PWA, Porum, OK: NPDES OK0021636 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
PORUM PWA, held by Porum PWA, holds NPDES permit OK0021636, which discharges to 120400020060_00 E Porum Ck/Dirty Ck/ S Fork. EPA’s file records it issued July 26, 2021 and expiring August 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PORUM PWA |
|---|---|
| Permittee as filed | Porum PWA |
| NPDES ID | OK0021636 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 26, 2021 |
| Expiration date | August 31, 2026 |
| Issuing agency | ODEQ |
| Address | Porum, OK 74455 |
| Receiving water | 120400020060_00 E Porum Ck/Dirty Ck/ S Fork |
| Subwatershed | South Fork (HUC 111101020203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 5Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 38 | 29 | April 30, 2026 | 182% over the limit |
| pH | 2 | 24 | 18 | May 31, 2010 | |
| E. coli | 4 | 12 | 10 | May 31, 2025 | 99,999% over the limit |
| Solids, total suspended | 3 | 11 | 2 | April 30, 2006 | 207% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Sulfate, dissolved [as SO4] | 0 | 1 | 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 OK0021636.
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 OK0021636 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.