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Clean Water Act discharge permit · NPDES TX0031551

CENTRAL UNIT - WWTP, Sugar Land, TX: NPDES TX0031551 discharge permit, effluent exceedances, inspections, penalties

CENTRAL UNIT - WWTP, held by TEXAS DEPARTMENT OF CRIMINAL J, holds NPDES permit TX0031551, which discharges to Oxbow Slough, Ft Bend County Ditch. EPA’s file records it issued December 8, 2004 and expiring July 1, 2009. 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.

Identity

Facility as filedCENTRAL UNIT - WWTP
Permittee as filedTEXAS DEPARTMENT OF CRIMINAL J
NPDES IDTX0031551
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 8, 2004
Expiration dateJuly 1, 2009
AddressSugar Land, TX 77478
Receiving waterOXBOW SLOUGH, FT BEND COUNTY DITCH
SubwatershedUpper Oyster Creek (HUC 120402050100)

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

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
Solids, total suspended31045July 31, 2009301% over the limit
BOD, carbonaceous [5 day, 20 C]31012December 31, 20103,540% over the limit
Nitrogen, ammonia total [as N]3952May 31, 200925% over the limit
Chlorine, total residual2662April 30, 200070% over the limit
pH3681August 31, 2010
Flow, in conduit or thru treatment plant2681August 31, 20119% over the limit
Oxygen, dissolved [DO]1331August 31, 200545% over the limit
Arsenic, dry weight580
Chromium, sludge, total, dry weight [as Cr]580
Selenium, dry weight360
Copper, dry weight360
Cadmium, dry weight360
Molybdenum, sludge, total, dry weight [as Mo]360
Zinc, sludge, total, dry weight [as Zn]360
Lead, sludge, total, dry weight [as Pb]360
Nickel, sludge, total, dry weight [as Ni]360
Mercury, sludge, total, dry weight [as Hg]360
Level of pathogen requirements achieved230
Description of pathogen option used230
Vector attraction reduction alternative used230
Polychlorinated biphenyls [PCBs]130
Toxicity characteristic leaching procedure130
Nickel, total [as Ni]220
Fecal coliform120
Ann. amt sludge disposed by other method120
Annual amt of sludge incinerated120
Annual sludge production, total120
Annual amount of sludge land applied120
Annual amt. sludge disposed surface unit120
Annual amt sludge disposed in landfill120
Annual amt sludge transported interstate120
Compliance w/part 258 sludge requirement120
Salmonella120
Pollutant table from 503.13120
Unit w/liner/leachate collection system110
Boundary areas110
Annual whole sludge application rate100

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 TX0031551.

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, TX0031551.

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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 TX0031551 there.

Nearby on the register

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