Clean Water Act discharge permit · NPDES TX0058084
CITY OF TROY WWTP, Troy, TX: NPDES TX0058084 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 37Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
CITY OF TROY WWTP, held by TROY, CITY OF, holds NPDES permit TX0058084, which discharges to Kings Branch Creek; Big Elm Creek. EPA’s file records it issued September 11, 2009 and expiring May 1, 2014. 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 filed | CITY OF TROY WWTP |
|---|---|
| Permittee as filed | TROY, CITY OF |
| NPDES ID | TX0058084 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 11, 2009 |
| Expiration date | May 1, 2014 |
| Address | Troy, TX 76579 |
| Receiving water | KINGS BRANCH CREEK; BIG ELM CREEK |
| Subwatershed | Pecan Creek-Big Elm Creek (HUC 120702040201) |
| SIC | 4952 – 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
- 38Pollutants on file
- 37Under a numeric limit
- 37With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 249 | 48 | March 31, 2021 | 2,400% over the limit |
| Chlorine, total residual | 2 | 157 | 15 | July 31, 2010 | 75% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 148 | 9 | November 30, 2013 | 296% over the limit |
| Solids, total suspended | 3 | 214 | 8 | March 31, 2004 | 1,210% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 212 | 2 | January 31, 2003 | 100% over the limit |
| pH | 3 | 146 | 1 | September 30, 2002 | |
| Oxygen, dissolved [DO] | 1 | 71 | 1 | November 30, 2000 | 33% over the limit |
| Arsenic, dry weight | 5 | 25 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 25 | 0 | ||
| Selenium, dry weight | 3 | 15 | 0 | ||
| Copper, dry weight | 3 | 15 | 0 | ||
| Cadmium, dry weight | 3 | 15 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 15 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 15 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 15 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 15 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 15 | 0 | ||
| Nickel, total [as Ni] | 2 | 10 | 0 | ||
| Level of pathogen requirements achieved | 2 | 10 | 0 | ||
| Description of pathogen option used | 2 | 10 | 0 | ||
| Vector attraction reduction alternative used | 2 | 10 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 8 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 7 | 0 | ||
| Annual sludge production, total | 1 | 7 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 7 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 7 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 6 | 0 | ||
| Annual amt of sludge incinerated | 1 | 6 | 0 | ||
| Annual amount of sludge land applied | 1 | 6 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 6 | 0 | ||
| Annual amt sludge transported interstate | 1 | 6 | 0 | ||
| Fecal coliform | 1 | 5 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 5 | 0 | ||
| Boundary areas | 1 | 5 | 0 | ||
| Salmonella | 1 | 5 | 0 | ||
| Pollutant table from 503.13 | 1 | 5 | 0 | ||
| E. coli | 0 | 2 | 0 | ||
| Annual whole sludge application rate | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 2, 2019 | Permit Violations - Discharge Without a Valid Permit | ST6 |
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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.