Velarion Records

Clean Water Act discharge permit · NPDES TXR1577SL

SIENNA OFFICE CENTER, Missouri City, TX: NPDES TXR1577SL discharge permit, effluent exceedances, inspections, penalties

SIENNA OFFICE CENTER, held by Total Site, Inc., holds NPDES permit TXR1577SL, which discharges to Upper Oyster Creek Above. EPA’s file records it issued October 16, 2024 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 SIENNA OFFICE CENTER: its NPDES ID, its permit type and status, its dates, its address in Missouri City, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1577SL.

Identity

Facility as filedSIENNA OFFICE CENTER
Permittee as filedTotal Site, Inc.
NPDES IDTXR1577SL
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 16, 2024
Expiration dateMarch 4, 2028
AddressMissouri City, TX 77459
Receiving waterUPPER OYSTER CREEK ABOVE
SubwatershedSteep Bank Creek-Brazos River (HUC 120701040403)

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 TXR1577SL.

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 TXR1577SL.

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, TXR1577SL.

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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

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 TXR1577SL there.

Nearby on the register

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

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