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Clean Water Act discharge permit · NPDES TXR1590XM

MIDLINE PHASE 2, Webster, TX: NPDES TXR1590XM discharge permit, effluent exceedances, inspections, penalties

MIDLINE PHASE 2, held by Northtex Construction, LLC, holds NPDES permit TXR1590XM, which discharges to Clear Creek Tidal. EPA’s file records it issued March 3, 2026 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for MIDLINE PHASE 2: its NPDES ID, its permit type and status, its dates, its address in Webster, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1590XM.

Identity

Facility as filedMIDLINE PHASE 2
Permittee as filedNorthtex Construction, LLC
NPDES IDTXR1590XM
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 3, 2026
Expiration dateMarch 4, 2028
AddressWebster, TX 77598
Receiving waterCLEAR CREEK TIDAL
SubwatershedClear Creek-Frontal Galveston Bay (HUC 120402040100)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1590XM.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1590XM.

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

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, TXR1590XM.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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How we handle your data → Privacy

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 TXR1590XM there.

Nearby on the register

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

What this page shows

The MIDLINE PHASE 2 storm water construction permit, held by Northtex Construction, LLC in Webster, Harris County, Texas, is one of 2,031 such permits on EPA's NPDES register in Harris County, and 0.1% of those permits carry a violation on file. Among all 2,022 storm water construction permits in Harris County, 79.2% were issued before this one, and the permit falls within the Clear Creek-Frontal Galveston Bay subwatershed, which holds 560 NPDES permits including this one. The permit shows no pollutants under a numeric limit and no effluent exceedances.