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Clean Water Act discharge permit · NPDES TXR1583WS

MIDLINE, Clear Lake, TX: NPDES TXR1583WS discharge permit, effluent exceedances, inspections, penalties

MIDLINE, held by Toll Bros., Inc., holds NPDES permit TXR1583WS, which discharges to Unnamedtributary Of Clear Creektidal. EPA’s file records it issued December 12, 2025 and expiring March 4, 2028. 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.

What the register holds for MIDLINE: its NPDES ID, its permit type and status, its dates, its address in Clear Lake, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1583WS.

Identity

Facility as filedMIDLINE
Permittee as filedToll Bros., Inc.
NPDES IDTXR1583WS
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 12, 2025
Expiration dateMarch 4, 2028
AddressClear Lake, TX 77598
Receiving waterUNNAMEDTRIBUTARY OF CLEAR CREEKTIDAL
SubwatershedClear Creek-Frontal Galveston Bay (HUC 120402040100)
SIC1521 – Single-Family Housing Construction

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1583WS.

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 TXR1583WS.

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, TXR1583WS.

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  • One permit holder — $99/month
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  • 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 TXR1583WS there.

Nearby on the register

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

What this page shows

The MIDLINE storm water construction permit (NPDES ID TXR1583WS), issued December 12, 2025 in Clear Lake, Harris County, Texas, is one of 2,031 storm water construction permits in Harris County on EPA's NPDES register. Of all 2,022 such permits in the county, including this one, 70.7% carry an earlier issue date than this permit. Within the Clear Creek-Frontal Galveston Bay subwatershed, the permit sits among 560 NPDES permits, this one included, and it has no numeric-limit pollutants or effluent exceedances on record.