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Clean Water Act discharge permit · NPDES TXG310019

MCCRORY, Flatonia, TX: NPDES TXG310019 discharge permit, effluent exceedances, inspections, penalties

MCCRORY, held by Mca Petroleum Corporation, holds NPDES permit TXG310019. EPA’s file records it issued May 23, 2024 and expiring January 16, 2029.

MCCRORY, Flatonia, Texas: Coverage under a general permit TXG310019, held by Mca Petroleum Corporation; Effective; issued May 23, 2024, term to January 16, 2029.

  • pH: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest October 31, 2024.
  • Oil & Grease: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Produced water, TDS: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Whole Effluent Toxicity [WET] - D. pulex: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Whole Effluent Toxicity [WET] - P. promelas: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Other permits held by Mca Petroleum Corporation

MCCRORY among its neighbors

Its county holds 50, 1 of them major permits; TXG310019 is a minor permit.

Other permits in the county

  • ALAMO CONCRETE PRODUCTS PLANT 36, Schulenburg: TXG110083, minor permit, discharging to NAVIDAD RIVER, permit term to November 7, 2021
  • BABYLON LANE WWTP, Schulenburg: TX0024422, minor permit, discharging to UNNMD TRIB OF W NAVIDAD RIVER;NAVIDAD RVR, permit term to September 10, 2024
  • BALCONES MINERALS, Flatonia: TXR05CD87, minor permit, permit term to August 13, 2026
  • BS 71E US 77 FM 957, La Grange: TXR1507YA, minor permit, discharging to COLORADO RIVER, permit term to March 4, 2028
  • CAMP LONE STAR WWTP, La Grange: TX0082457, minor permit, discharging to UNNAMED TRIB;COLORADO RIVER, permit term to November 13, 2024
  • CITY OF FAYETTEVILLE WWTP, Fayetteville: TX0055077, minor permit, discharging to UNNAMED TRIB ALLEN CK;POOL BRANCH;CUMMINS CK;CO, permit term to December 1, 2021
  • CITY OF FLATONIA WWTP, Flatonia: TX0023183, minor permit, discharging to DRAINAGE DITCH;BIG FIVEMILE CRK;PEACH CRK, permit term to October 7, 2024
  • CONTECH CONSTRUCTION PRODUCTS, Schulenburg: TXR05FK92, minor permit, permit term to August 13, 2026
  • EARL NEEDHAM, Flatonia: TXG310026, minor permit, permit term to January 16, 2029
  • EAST ARNIM UNIT A, Flatonia: TXG310015, minor permit, permit term to January 16, 2029

Identity

Facility as filedMCCRORY
Permittee as filedMca Petroleum Corporation
NPDES IDTXG310019
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 23, 2024
Expiration dateJanuary 16, 2029
AddressFlatonia, TX 78941

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
pH222October 31, 2024
Oil & Grease200
Flow, in conduit or thru treatment plant100
Produced water, TDS100
Whole Effluent Toxicity [WET] - D. pulex100
Whole Effluent Toxicity [WET] - P. promelas100
LC50 Pass/Fail Static 24Hr Acute D. Pulex100
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas100

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG310019.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG310019.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXG310019.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TXG310019 for MCCRORY in Flatonia, TX, held by Mca Petroleum Corporation, with a status of Effective and a Minor discharger class. The page lists 8 pollutants on file, 8 with a limit classed as numeric, 1 with a violation of any kind, and 1 with an effluent exceedance.