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Clean Water Act discharge permit · NPDES TX0121584

KOSTER DAIRY, Comanche, TX: NPDES TX0121584 discharge permit, effluent exceedances, inspections, penalties

KOSTER DAIRY, held by JOHANNES KOSTER & DEBORAH MICHDLE KOSTER, holds NPDES permit TX0121584, which discharges to Drainage Area Of Proctor Lake. EPA’s file records it issued June 29, 2021 and expiring June 29, 2026.

KOSTER DAIRY, Comanche, Texas: Individual permit TX0121584, held by JOHANNES KOSTER & DEBORAH MICHDLE KOSTER; Concentrated animal feeding operations; Administratively continued (past its expiration date and still in force until reissued); issued June 29, 2021, term to June 29, 2026; discharges to DRAINAGE AREA OF PROCTOR LAKE.

  • Conductivity: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • Nitrogen, nitrate dissolved: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • Phosphorus, dissolved: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • Calcium, dissolved [as Ca]: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • Magnesium, dissolved [as Mg]: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • Sodium, dissolved [as Na]: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • Potassium, dissolved [as K]: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • pH, in soil: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • October 22, 2026: Follow-Up (S).
  • July 31, 2026: Permit Violations - Violation Specified in Comment (ST6).
  • July 31, 2026: Evaluation (S).
  • January 27, 2025: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 44 Concentrated animal feeding operations coverages of this permit type in EPA’s file; 36 were issued before TX0121584.

Coverages issued nearest TX0121584

  • November 30, 2020: HILLSIDE DAIRY, Erath County, TX0130893, held by HILLSIDE DAIRY LLC
  • March 4, 2021: SHERWYN WOOD DAIRY, Stephenville, TX0129976, held by SHERWYN DALLAS WOOD & ANGELA BROWNY WOOD
  • June 4, 2021: MILKY WAY DAIRY, Dublin, TX0121525, held by VANDER HORST ENTERPISES LLC
  • June 7, 2021: JOHNSON DAIRY, Lingleville, TX0130737, held by KOKE, SONYA ANN+
  • June 25, 2021: OKEE DAIRY, Hico, TX0128619, held by KEUNING, OENE
  • May 12, 2022: KUIPER DAIRY, Erath County, TX0121649, held by KUIPER DAIRY, LLC
  • October 6, 2022: ARMAGH DAIRY, Dublin, TX0121452, held by ARMAGH DAIRY, LLC
  • August 17, 2023: GRAND CANYON DAIRY, Dublin, TX0130923, held by CIRCLE 7 DAIRY LLC
  • January 4, 2024: DANCING CRANE DAIRY, Erath County, TX0123030, held by KLAAS TALSMA, ANASTASIA THIELE AND TWO SISTERS DAIRY, LLC O AND B FARMS INC, AND
  • July 1, 2024: EEMSTER WEST, Dublin, TX0130966, held by EEMSTER WEST LLC

KOSTER DAIRY among its neighbors

EPA’s permit file holds 3 discharge permits in the Duncan Creek-Proctor Reservoir subwatershed (HUC 120702010307), TX0121584 among them. Its county holds 32, 0 of them major permits; TX0121584 is a minor permit.

Other permits in the Duncan Creek-Proctor Reservoir subwatershed (HUC 120702010307)

  • INDIAN RIDGE DAIRY, Comanche: TXG920297, minor permit, discharging to LEON RIVER BELOW PROCTOR LAKE, permit term to July 20, 2024
  • MX7 DAIRY, Comanche: TXG112591, minor permit, permit term to November 6, 2021

Identity

Facility as filedKOSTER DAIRY
Permittee as filedJOHANNES KOSTER & DEBORAH MICHDLE KOSTER
NPDES IDTX0121584
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConcentrated animal feeding operations
IssuedJune 29, 2021
Expiration dateJune 29, 2026
AddressComanche, TX 76442
Receiving waterDRAINAGE AREA OF PROCTOR LAKE
SubwatershedDuncan Creek-Proctor Reservoir (HUC 120702010307)
SIC0241 – Dairy Farms

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
Conductivity0160
Nitrogen, nitrate dissolved0160
Phosphorus, dissolved0160
Calcium, dissolved [as Ca]0160
Magnesium, dissolved [as Mg]0160
Sodium, dissolved [as Na]0160
Potassium, dissolved [as K]0160
pH, in soil0160

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TX0121584.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
July 31, 2026Permit Violations - Violation Specified in CommentST6
January 27, 2025Permit Violations - Violation Specified in CommentST6

Inspections

DateWhat EPA recordedAgency
October 22, 2026Follow-UpS
July 31, 2026EvaluationS

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 TX0121584.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES TX0121584 for KOSTER DAIRY in Comanche, TX, held by JOHANNES KOSTER & DEBORAH MICHDLE KOSTER and discharging to DRAINAGE AREA OF PROCTOR LAKE, with the permit listed as administratively continued, a minor discharger, and a concentrated animal feeding operation. The page reports 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it gives the permit's issue and expiration dates as June 29, 2021 and June 29, 2026.