Clean Water Act discharge permit · NPDES TX0032476
CITY OF WALLER WWTP, Waller County, TX: NPDES TX0032476 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
CITY OF WALLER WWTP, held by WALLER, CITY OF, holds NPDES permit TX0032476, which discharges to Unnamed Trib; Mound Creek; Cypress Creek. EPA’s file records it issued October 24, 2018 and expiring October 24, 2023. 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 | CITY OF WALLER WWTP |
|---|---|
| Permittee as filed | WALLER, CITY OF |
| NPDES ID | TX0032476 |
| 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 | October 24, 2018 |
| Expiration date | October 24, 2023 |
| Address | Waller County, TX 77484 |
| Receiving water | UNNAMED TRIB; MOUND CREEK; CYPRESS CREEK |
| Subwatershed | Mound Creek-Cypress Creek (HUC 120401020101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 38Pollutants on file
- 38Under 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 | 188 | 104 | July 31, 2026 | 1,110% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 90 | 11 | April 30, 2025 | 21,345% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 65 | 8 | May 31, 2026 | 65,784,124% over the limit |
| Chlorine, total residual | 2 | 64 | 8 | May 31, 2026 | 157% over the limit |
| Solids, total suspended | 3 | 92 | 7 | February 28, 2026 | 147% over the limit |
| pH | 3 | 66 | 1 | August 31, 2010 | |
| E. coli | 2 | 13 | 1 | August 31, 2020 | 2,320% over the limit |
| Arsenic, dry weight | 5 | 31 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 31 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 28 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 18 | 0 | ||
| Nickel, total [as Ni] | 2 | 16 | 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 | ||
| 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 | ||
| Level of pathogen requirements achieved | 2 | 13 | 0 | ||
| Description of pathogen option used | 2 | 13 | 0 | ||
| Vector attraction reduction alternative used | 2 | 13 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 8 | 0 | ||
| Boundary areas | 1 | 8 | 0 | ||
| Fecal coliform | 1 | 7 | 0 | ||
| Salmonella | 1 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 6 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 6 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 6 | 0 | ||
| Annual amt of sludge incinerated | 1 | 6 | 0 | ||
| Annual sludge production, total | 1 | 6 | 0 | ||
| Annual amount of sludge land applied | 1 | 6 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 6 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 6 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 5 | 0 | ||
| Annual amt sludge transported interstate | 1 | 5 | 0 | ||
| Pollutant table from 503.13 | 1 | 5 | 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 |
|---|---|---|
| October 9, 2018 | Permit Violations - Violation Specified in Comment | 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 September 14, 2026.