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Clean Water Act discharge permit · NPDES TX0047228

PAW PAW WWTP, Denison, TX: NPDES TX0047228 discharge permit, effluent exceedances, inspections, penalties

PAW PAW WWTP, held by DENISON, CITY OF, holds NPDES permit TX0047228, which discharges to Directly To Red River Below Texoma. EPA’s file records it issued March 18, 2016 and expiring December 1, 2020. 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 filedPAW PAW WWTP
Permittee as filedDENISON, CITY OF
NPDES IDTX0047228
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 18, 2016
Expiration dateDecember 1, 2020
AddressDenison, TX 75021
Receiving waterDIRECTLY TO RED RIVER BELOW TEXOMA
Program components on filePOTW, Pretreatment
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
E. coli21714May 31, 2025514% over the limit
Solids, total suspended342April 30, 2021493% over the limit
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex460
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas460
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex440
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex420
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas420
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas420
BOD, 5-day, 20 deg. C320
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas020
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas020
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas020
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas020
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas020
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas020
Polychlorinated biphenyls [PCBs]110
Annual amt sludge transported interstate110
Whole effluent toxicity - retest #1700
Whole effluent toxicity - retest #2700
Arsenic, dry weight500
Chromium, sludge, total, dry weight [as Cr]500
Flow, in conduit or thru treatment plant400
pH300
Selenium, dry weight300
Copper, dry weight300
Cadmium, dry weight300
Molybdenum, sludge, total, dry weight [as Mo]300
Zinc, sludge, total, dry weight [as Zn]300
Lead, sludge, total, dry weight [as Pb]300
Nickel, sludge, total, dry weight [as Ni]300
Mercury, sludge, total, dry weight [as Hg]300
Nickel, total [as Ni]200
Level of pathogen requirements achieved200
Description of pathogen option used200
Vector attraction reduction alternative used200
Oxygen, dissolved [DO]100
Fecal coliform100
Toxicity characteristic leaching procedure100
Annual whole sludge application rate100
Ann. amt sludge disposed by other method100
Annual amt of sludge incinerated100
Annual sludge production, total100
Annual amount of sludge land applied100
Annual amt. sludge disposed surface unit100
Annual amt sludge disposed in landfill100
Unit w/liner/leachate collection system100
Compliance w/part 258 sludge requirement100
Boundary areas100
Salmonella100
Pollutant table from 503.13100
LC50 Pass/Fail Static 24Hr Acute D. Pulex100
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas100

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
September 22, 2026Permit Violations - Violation Specified in CommentST6
November 5, 2024Permit Violations - Violation Specified in CommentST6
December 7, 2023Permit Violations - Violation Specified in CommentST6
October 4, 2022Permit Violations - Violation Specified in CommentST6

Inspections

DateWhat EPA recordedAgency
September 22, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

DateWhat EPA recordedAgency
January 6, 2026Phone Call/ EMAILState

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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How we handle your data → Privacy

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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 TX0047228 for the PAW PAW WWTP in Denison, TX, held by DENISON, CITY OF, which discharges directly to the Red River Below Texoma. The facts list 46 as the discharger class, 2 pollutants under a numeric limit, 2 pollutants with an effluent exceedance, and 52 pollutants in the effluent limits and exceedances section.