Clean Water Act discharge permit · NPDES TX0090841
CURRY RAIL SERVICES HOCKLEY WWTP, Hockley, TX: NPDES TX0090841 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
CURRY RAIL SERVICES HOCKLEY WWTP, held by CURRY RAIL SERVICES INC, holds NPDES permit TX0090841, which discharges to Ditch; Trib; Little Cypress Creek; Cypress Creek. EPA’s file records it issued September 13, 2018 and expiring September 13, 2023. 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 | CURRY RAIL SERVICES HOCKLEY WWTP |
|---|---|
| Permittee as filed | CURRY RAIL SERVICES INC |
| NPDES ID | TX0090841 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 13, 2018 |
| Expiration date | September 13, 2023 |
| Address | Hockley, TX 77447 |
| Receiving water | DITCH; TRIB; LITTLE CYPRESS CREEK; CYPRESS CREEK |
| Subwatershed | Mallard Lake-Cypress Creek (HUC 120401020103) |
| SIC | 4011 – Railroads, Line-Haul Operating |
| Other EPA IDs (FRS) | RCRA handler TXD982564197; ICIS-AIR source TX0000004820101259 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 28With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 6 | 2 | March 31, 2014 | 494% over the limit |
| Solids, total suspended | 3 | 9 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 9 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 9 | 0 | ||
| pH | 3 | 7 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Chlorine, total residual | 2 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 3 | 0 | ||
| Annual amt of sludge incinerated | 1 | 3 | 0 | ||
| Annual sludge production, total | 1 | 3 | 0 | ||
| Annual amount of sludge land applied | 1 | 3 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 3 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 3 | 0 | ||
| Annual amt sludge transported interstate | 1 | 3 | 0 | ||
| Arsenic, dry weight | 5 | 2 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 2 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 0 | ||
| Level of pathogen requirements achieved | 2 | 1 | 0 | ||
| Description of pathogen option used | 2 | 1 | 0 | ||
| Vector attraction reduction alternative used | 2 | 1 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 1 | 0 | ||
| Boundary areas | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 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 | ||
| Annual whole sludge application rate | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0090841.
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.
Watch this permit
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Start the watch
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0090841 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.