Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES TXG112983

PORTER CBP NO 1, Porter, TX: NPDES TXG112983 discharge permit, effluent exceedances, inspections, penalties

PORTER CBP NO 1, held by Texcon Holdings Inc, holds NPDES permit TXG112983. EPA’s file records it issued December 1, 2021 and expiring November 6, 2026.

PORTER CBP NO 1, Porter, Texas: Coverage under a general permit TXG112983, held by Texcon Holdings Inc; Effective; issued December 1, 2021, term to November 6, 2026.

  • pH: 8 limits, 128 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 4 limits, 64 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 4 limits, 64 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 4 limits, 64 violations of any kind, 0 effluent exceedances.
  • Arsenic, total [as As]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Barium, total [as Ba]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Cadmium, total [as Cd]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Chromium, total [as Cr]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Copper, total [as Cu]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Silver, total [as Ag]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Selenium, total [as Se]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
  • Whole effluent toxicity - retest #1: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Whole effluent toxicity - retest #2: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • November 2, 2026: Under Review (State).
  • February 2, 2026: Focused (S).

PORTER CBP NO 1 among its neighbors

EPA’s permit file holds 52 discharge permits in the White Oak Creek-Frontal Lake Houston subwatershed (HUC 120401030110), TXG112983 among them.

Other permits in the White Oak Creek-Frontal Lake Houston subwatershed (HUC 120401030110)

  • AMAZONCOM SERVICES HHO3, Porter: TXR05GU31, minor permit, permit term to August 13, 2026
  • ARTAVIA - HOME BUILDING, Conroe: TXR1505RG, minor permit, discharging to WEST FORK SAN JACINTO RIVER, permit term to March 4, 2028
  • ARTAVIA - HOME BUILDING, Conroe: TXR1571NG, minor permit, discharging to WEST FORK SAN JACINTO RIVER 1004, permit term to March 4, 2028
  • ARTAVIA PARKWAY PH 4 & ARTAVIA PARKWAY BRIDGE, Conroe: TXR1565OM, minor permit, discharging to NORTH DRAINAGE CHANNEL, permit term to March 4, 2028
  • ARTAVIA SEC 15, Conroe: TXR1549MN, minor permit, discharging to WHITE OAK CREEK, permit term to March 4, 2028
  • ARTAVIA SEC 18, Conroe Etj: TXR1599SK, minor permit, discharging to WHITE OAK CREEK, permit term to March 4, 2028
  • ARTAVIA SEC 21, Conroe: TXR1505OP, minor permit, discharging to WHITE OAK CREEK, permit term to March 4, 2028
  • ARTAVIA SECTION 17, Conroe: TXR1553JI, minor permit, discharging to 11208, permit term to March 4, 2023
  • ARTAVIA SECTION 46 WS&D, Conroe: TXR1517XM, minor permit, discharging to WEST FORK SAN JACINTO RIVER, permit term to March 4, 2028
  • ASTAIRE PARKWAY PH 3, Conroe: TXR1544RS, minor permit, discharging to SAN JACINTO RIVER, permit term to March 4, 2028

Identity

Facility as filedPORTER CBP NO 1
Permittee as filedTexcon Holdings Inc
NPDES IDTXG112983
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 1, 2021
Expiration dateNovember 6, 2026
AddressPorter, TX 77365
SubwatershedWhite Oak Creek-Frontal Lake Houston (HUC 120401030110)

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
pH81280
Solids, total suspended4640
Oil & Grease4640
Flow, in conduit or thru treatment plant4640
Arsenic, total [as As]420
Barium, total [as Ba]420
Cadmium, total [as Cd]420
Chromium, total [as Cr]420
Copper, total [as Cu]420
Lead, total [as Pb]420
Manganese, total [as Mn]420
Nickel, total [as Ni]420
Silver, total [as Ag]420
Zinc, total [as Zn]420
Selenium, total [as Se]420
Mercury, total [as Hg]420
Whole effluent toxicity - retest #1400
Whole effluent toxicity - retest #2400
LC50 Pass/Fail Static 24Hr Acute D. Pulex400
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas400

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG112983.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG112983.

Inspections

DateWhat EPA recordedAgency
February 2, 2026FocusedS

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

DateWhat EPA recordedAgency
November 2, 2026Under ReviewState

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXG112983.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 TXG112983 for PORTER CBP NO 1 in Porter, TX, held by Texcon Holdings Inc, with the permit status listed as Effective and issued December 1, 2021. The page lists 20 pollutants on file, 16 of them under a numeric limit, and 0 with an effluent exceedance, within the White Oak Creek-Frontal Lake Houston subwatershed (HUC 120401030110).