Clean Water Act discharge permit · NPDES TX0047988

SOUTHSIDE WWTP, Tyler, TX: NPDES TX0047988 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
56Pollutants under a numeric limit
7Pollutants with an effluent exceedance

SOUTHSIDE WWTP, held by TYLER, CITY OF, holds NPDES permit TX0047988, which discharges to West Mud Creek;Mud Creek;Angelina River. EPA’s file records it issued October 7, 2016 and expiring August 1, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	SOUTHSIDE WWTP
Permittee as filed	TYLER, CITY OF
NPDES ID	TX0047988
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	October 7, 2016
Expiration date	August 1, 2021
Address	Tyler, TX 75703
Receiving water	WEST MUD CREEK;MUD CREEK;ANGELINA RIVER

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

Effluent limits and exceedances

56Pollutants on file
56Under a numeric limit
24With a violation of any kind
7With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	3	129	114	April 30, 2026	1,550% over the limit
Nitrogen, ammonia total [as N]	6	74	59	July 31, 2026	167% over the limit
Flow, in conduit or thru treatment plant	4	32	14	April 30, 2015	52,633% over the limit
BOD, carbonaceous [5 day, 20 C]	3	21	6	March 31, 2026	196% over the limit
pH	3	14	4	February 28, 2021
Chlorine, total residual	2	14	4	April 30, 2021	100% over the limit
Oxygen, dissolved [DO]	2	7	2	March 31, 2018	30% over the limit
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas	4	8	0
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	4	8	0
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	4	8	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	4	8	0
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia	4	6	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	4	6	0
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	4	6	0
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia	4	6	0
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia	4	6	0
Sulfate, total [as SO4]	3	6	0
Solids, total dissolved	3	6	0
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas	4	4	0
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas	4	4	0
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas	4	4	0
E. coli	2	4	0
LC50 Pass/Fail Static 24Hr Acute D. Pulex	1	2	0
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas	1	2	0
Whole effluent toxicity - retest #1	7	0	0
Whole effluent toxicity - retest #2	7	0	0
Arsenic, dry weight	5	0	0
Chromium, sludge, total, dry weight [as Cr]	5	0	0
Selenium, dry weight	3	0	0
Copper, dry weight	3	0	0
Cadmium, dry weight	3	0	0
Molybdenum, sludge, total, dry weight [as Mo]	3	0	0
Zinc, sludge, total, dry weight [as Zn]	3	0	0
Lead, sludge, total, dry weight [as Pb]	3	0	0
Nickel, sludge, total, dry weight [as Ni]	3	0	0
Mercury, sludge, total, dry weight [as Hg]	3	0	0
Nickel, total [as Ni]	2	0	0
Level of pathogen requirements achieved	2	0	0
Description of pathogen option used	2	0	0
Vector attraction reduction alternative used	2	0	0
Fecal coliform	1	0	0
Polychlorinated biphenyls [PCBs]	1	0	0
Toxicity characteristic leaching procedure	1	0	0
Annual whole sludge application rate	1	0	0
Ann. amt sludge disposed by other method	1	0	0
Annual amt of sludge incinerated	1	0	0
Annual sludge production, total	1	0	0
Annual amount of sludge land applied	1	0	0
Annual amt. sludge disposed surface unit	1	0	0
Annual amt sludge disposed in landfill	1	0	0
Annual amt sludge transported interstate	1	0	0
Unit w/liner/leachate collection system	1	0	0
Compliance w/part 258 sludge requirement	1	0	0
Boundary areas	1	0	0
Salmonella	1	0	0
Pollutant table from 503.13	1	0	0

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

26Single-event violations

Date	What EPA recorded	Agency
October 15, 2022	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	EP6
October 3, 2022	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	EP6
August 26, 2022	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	EP6
May 26, 2022	Permit Violations - Violation Specified in Comment	ST6
December 7, 2021	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	EP6
October 1, 2021	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	EP6
August 26, 2021	Permit Violations - Violation Specified in Comment	ST6
July 1, 2021	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	EP6
April 1, 2021	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	EP6
April 1, 2021	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	EP6
January 1, 2021	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	EP6
January 1, 2021	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	EP6
October 1, 2020	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	EP6
October 1, 2019	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	EP6
October 1, 2019	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	EP6
December 31, 2018	WW SSO - Discharge to Waters	EP6
December 31, 2018	WW SSO - Overflow to Dry Land or Building Backup	EP6
September 29, 2018	WW SSO - Discharge to Waters	EP6
September 28, 2018	WW SSO - Overflow to Dry Land or Building Backup	EP6
March 13, 2018	Permit Violations - Violation Specified in Comment	ST6
October 2, 2017	WW SSO - Discharge to Waters	EP6
October 2, 2017	WW SSO - Overflow to Dry Land or Building Backup	EP6
September 27, 2017	WW SSO - Discharge to Waters	EP6
September 27, 2017	WW SSO - Overflow to Dry Land or Building Backup	EP6
April 10, 2017	WW SSO - Discharge to Waters	EP6
April 10, 2017	WW SSO - Overflow to Dry Land or Building Backup	EP6

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 September 14, 2026.