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Clean Water Act discharge permit · NPDES TX0119113

BIG OAK MANUFACTURED HOUSING COMMUNITY WWTF, Harrison County, TX: NPDES TX0119113 discharge permit, effluent exceedances, inspections, penalties

BIG OAK MANUFACTURED HOUSING COMMUNITY WWTF, held by POS BIG OAK LLC, holds NPDES permit TX0119113, which discharges to Unnamed Trib;Mason Ck;Mason Lk;Outlet Channel;. EPA’s file records it issued April 11, 2016 and expiring April 1, 2021. 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.

Identity

Facility as filedBIG OAK MANUFACTURED HOUSING COMMUNITY WWTF
Permittee as filedPOS BIG OAK LLC
NPDES IDTX0119113
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
IssuedApril 11, 2016
Expiration dateApril 1, 2021
AddressHarrison County, TX 75602
Receiving waterUNNAMED TRIB;MASON CK;MASON LK;OUTLET CHANNEL;
SubwatershedMason Creek (HUC 120100020602)
SIC4952 – Sewerage Systems

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

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
BOD, 5-day, 20 deg. C3921December 31, 201251% over the limit
Solids, total suspended3911January 31, 200915% over the limit
pH3621January 31, 2012
Chlorine, total residual2610
Flow, in conduit or thru treatment plant2590
Oxygen, dissolved [DO]1300
E. coli260
Arsenic, dry weight550
Chromium, sludge, total, dry weight [as Cr]550
Selenium, dry weight330
Copper, dry weight330
Cadmium, dry weight330
Molybdenum, sludge, total, dry weight [as Mo]330
Zinc, sludge, total, dry weight [as Zn]330
Lead, sludge, total, dry weight [as Pb]330
Nickel, sludge, total, dry weight [as Ni]330
Mercury, sludge, total, dry weight [as Hg]330
Polychlorinated biphenyls [PCBs]130
Ann. amt sludge disposed by other method130
Annual amt of sludge incinerated130
Annual sludge production, total130
Annual amount of sludge land applied130
Annual amt sludge disposed in landfill130
Annual amt sludge transported interstate130
Nickel, total [as Ni]220
Level of pathogen requirements achieved220
Description of pathogen option used220
Vector attraction reduction alternative used220
Toxicity characteristic leaching procedure120
Annual amt. sludge disposed surface unit120
Fecal coliform110
Unit w/liner/leachate collection system110
Compliance w/part 258 sludge requirement110
Boundary areas110
Salmonella110
Pollutant table from 503.13110
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

DateWhat EPA recordedAgency
December 14, 2021Permit Violations - Violation Specified in CommentST6

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.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TX0119113 for the BIG OAK MANUFACTURED HOUSING COMMUNITY WWTF in Harrison County, TX, held by POS BIG OAK LLC, which is a minor discharger administratively continued past its expiration date. The page lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, with the permit issued April 11, 2016 and expiring April 1, 2021.