Clean Water Act discharge permit · NPDES TXR1531TO

SIENNA PLANTATION MUD 5 WATER PLANT NO 3 EXPANSION, Missouri City, TX: NPDES TXR1531TO discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

SIENNA PLANTATION MUD 5 WATER PLANT NO 3 EXPANSION, held by Schier Construction Company, Inc., holds NPDES permit TXR1531TO, which discharges to Oyster Creek Above Tidal. EPA’s file records it issued February 7, 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 SIENNA PLANTATION MUD 5 WATER PLANT NO 3 EXPANSION: 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 TXR1531TO.

Identity

Facility as filed	SIENNA PLANTATION MUD 5 WATER PLANT NO 3 EXPANSION
Permittee as filed	Schier Construction Company, Inc.
NPDES ID	TXR1531TO
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	February 7, 2025
Expiration date	March 4, 2028
Address	Missouri City, TX 77459
Receiving water	OYSTER CREEK ABOVE TIDAL
Subwatershed	Middle Oyster Creek (HUC 120402050200)
SIC	1629 – Heavy 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

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1531TO.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1531TO.

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, TXR1531TO.

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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 TXR1531TO there.

Nearby on the register

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

The SIENNA PLANTATION MUD 5 WATER PLANT NO 3 EXPANSION is one of 716 storm water construction permits in Fort Bend County, this one included, and about 0.4% of those carry a violation on file. Among the 149 NPDES permits in the Middle Oyster Creek subwatershed, this one is counted with its peers, and it has no pollutants under a numeric limit and no pollutants with an effluent exceedance. Of all 716 storm water construction permits in Fort Bend County, 41.6% were issued earlier than this one.