Clean Water Act discharge permit · NPDES TX0117676
STU-WRRF1, Hays County, TX: NPDES TX0117676 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
STU-WRRF1, held by RAILYARD UTILITY COMPANY LLC, holds NPDES permit TX0117676, which discharges to Unnamed Trib;Brushy Creek, Brush;Plum Crk. EPA’s file records it issued March 3, 2020 and expiring March 3, 2025.
STU-WRRF1, Hays County, Texas: Individual permit TX0117676, held by RAILYARD UTILITY COMPANY LLC; Effective; issued March 3, 2020, term to March 3, 2025; discharges to UNNAMED TRIB;BRUSHY CREEK, BRUSH;PLUM CRK.
- Solids, total suspended: 3 limits, 237 violations of any kind, 65 effluent exceedances, latest August 31, 2018, largest 413% over the limit.
- BOD, 5-day, 20 deg. C: 0 limits, 199 violations of any kind, 58 effluent exceedances, latest January 31, 2020, largest 692% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 125 violations of any kind, 10 effluent exceedances, latest October 31, 2022, largest 167% over the limit.
- E. coli: 2 limits, 77 violations of any kind, 9 effluent exceedances, latest November 30, 2024, largest 1,820% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 51 violations of any kind, 3 effluent exceedances, latest December 31, 2022, largest 119% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 58 violations of any kind, 2 effluent exceedances, latest June 30, 2009, largest 40% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 2 violations of any kind, 2 effluent exceedances, latest December 31, 2025, largest 78% over the limit.
- pH: 3 limits, 123 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 2 limits, 114 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 48 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 48 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 30 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 19 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 19 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 19 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 18 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 10 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 10 violations of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 10 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 10 violations of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 9 violations of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 9 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- June 19, 2018: Permit Violations - Violation Specified in Comment (ST6).
STU-WRRF1 among its neighbors
EPA’s permit file holds 42 discharge permits in the Brushy Creek-Plum Creek subwatershed (HUC 121002030402), TX0117676 among them. Its county holds 410, 3 of them major permits; TX0117676 is a minor permit.
Other permits in the Brushy Creek-Plum Creek subwatershed (HUC 121002030402)
- BOLLINGER, Lockhart: TXR1501SC, minor permit, discharging to PLUM CREEK, permit term to March 4, 2028
- BOLLINGER - HOME BUILDING, Uhland: TXR1572SD, minor permit, discharging to PLUM CREEK, permit term to March 4, 2028
- BOLLINGER AMENITY CENTER - COM, Lockhart: TXR1508VC, minor permit, discharging to PLUM CREEK, permit term to March 4, 2028
- BOLLINGER AMENITY CENTER - COM, Lockhart: TXR1592WU, minor permit, discharging to PLUM CREEK, permit term to March 4, 2028
- BOLLINGER SUBDIVISION PHASE 3 4, Uhland: TXR1594WC, minor permit, discharging to PLUM CREEK, permit term to March 4, 2028
- CAMINO EAST, Uhland: TXR1502WO, minor permit, discharging to PLUM CREEK, permit term to March 4, 2028
- CAMINO EAST, Uhland: TXR1503MN, minor permit, discharging to PLUM CREEK 1810, permit term to March 4, 2028
- CAMINO REAL WWTP, City Of Niederwald: TX0136069, minor permit, discharging to BRUSHY CRK;SOIL CONSERVATION SERVICES SITE 14 RESV, permit term to May 28, 2025
- CASTLETOP CAPITAL HAYS ABC WWTP, Hays County: TX0128201, minor permit, discharging to Plum Creek, permit term to March 3, 2025
- CITY OF UHLAND MS4, Uhland: TXR040940, not classed
Identity
| Facility as filed | STU-WRRF1 |
|---|---|
| Permittee as filed | RAILYARD UTILITY COMPANY LLC |
| NPDES ID | TX0117676 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 3, 2020 |
| Expiration date | March 3, 2025 |
| Address | Hays County, TX 78640 |
| Receiving water | UNNAMED TRIB;BRUSHY CREEK, BRUSH;PLUM CRK |
| Subwatershed | Brushy Creek-Plum Creek (HUC 121002030402) |
Effluent limits and exceedances
- 39Pollutants on file
- 38Under a numeric limit
- 39With 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 | 237 | 65 | August 31, 2018 | 413% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 199 | 58 | January 31, 2020 | 692% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 125 | 10 | October 31, 2022 | 167% over the limit |
| E. coli | 2 | 77 | 9 | November 30, 2024 | 1,820% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 51 | 3 | December 31, 2022 | 119% over the limit |
| Oxygen, dissolved [DO] | 1 | 58 | 2 | June 30, 2009 | 40% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 2 | 2 | December 31, 2025 | 78% over the limit |
| pH | 3 | 123 | 0 | ||
| Chlorine, total residual | 2 | 114 | 0 | ||
| Arsenic, dry weight | 5 | 48 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 48 | 0 | ||
| Selenium, dry weight | 3 | 30 | 0 | ||
| Copper, dry weight | 3 | 30 | 0 | ||
| Cadmium, dry weight | 3 | 30 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 30 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 30 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 30 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 30 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 30 | 0 | ||
| Level of pathogen requirements achieved | 2 | 19 | 0 | ||
| Description of pathogen option used | 2 | 19 | 0 | ||
| Vector attraction reduction alternative used | 2 | 19 | 0 | ||
| Nickel, total [as Ni] | 2 | 18 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 11 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 11 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 11 | 0 | ||
| Annual amt of sludge incinerated | 1 | 11 | 0 | ||
| Annual sludge production, total | 1 | 11 | 0 | ||
| Annual amount of sludge land applied | 1 | 11 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 11 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 11 | 0 | ||
| Annual amt sludge transported interstate | 1 | 11 | 0 | ||
| Fecal coliform | 1 | 10 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 10 | 0 | ||
| Salmonella | 1 | 10 | 0 | ||
| Pollutant table from 503.13 | 1 | 10 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 9 | 0 | ||
| Boundary areas | 1 | 9 | 0 | ||
| Annual whole sludge application rate | 1 | 3 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 19, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0117676.
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
EPA’s informal enforcement file holds no action for NPDES TX0117676.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.