Clean Water Act discharge permit · NPDES OK0040177
CHESAPEAKE ENERGY CORP-BLUESTEM MAYFIELD GAS TP, Sayre, OK: NPDES OK0040177 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CHESAPEAKE ENERGY CORP-BLUESTEM MAYFIELD GAS TP, held by Chesapeake Energy Corp-Mayfield, holds NPDES permit OK0040177, which discharges to 311510 Unnamed Trib/Buffalo Creek. EPA’s file records it issued March 19, 2004 and expiring March 31, 2009. 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 filed | CHESAPEAKE ENERGY CORP-BLUESTEM MAYFIELD GAS TP |
|---|---|
| Permittee as filed | Chesapeake Energy Corp-Mayfield |
| NPDES ID | OK0040177 |
| 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 | March 19, 2004 |
| Expiration date | March 31, 2009 |
| Issuing agency | ODEQ |
| Address | Sayre, OK 73662 |
| Receiving water | 311510 UNNAMED TRIB/BUFFALO CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Upper Buffalo Creek (HUC 111203020301) |
| SIC | 1311 – Crude Petroleum And Natural Gas |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 10Pollutants on file
- 4Under a numeric limit
- 10With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total dissolved [TDS] | 1 | 30 | 5 | October 31, 2008 | 20% over the limit |
| Oxidants, total residual | 1 | 29 | 5 | March 31, 2009 | 15,200% over the limit |
| pH | 2 | 265 | 3 | December 31, 2008 | |
| Solids, total suspended | 0 | 110 | 2 | June 30, 1999 | 1,549% over the limit |
| Oil & Grease | 0 | 108 | 1 | October 31, 2000 | 847% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 153 | 0 | ||
| Zinc, total [as Zn] | 0 | 115 | 0 | ||
| Solids, total dissolved | 0 | 109 | 0 | ||
| Chromium, total [as Cr] | 0 | 10 | 0 | ||
| Copper, total [as Cu] | 0 | 10 | 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 OK0040177.
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 OK0040177 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.