Clean Water Act discharge permit · NPDES TX0092088
SPRING OAKS MHP WWTP, Spring, TX: NPDES TX0092088 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
SPRING OAKS MHP WWTP, held by TRINITY SO GP, L.L.C., holds NPDES permit TX0092088, which discharges to Hcfcdd J121-01-00, Hcfcdd J121-00-0, Spring Creek. EPA’s file records it issued October 4, 2017 and expiring March 1, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SPRING OAKS MHP WWTP |
|---|---|
| Permittee as filed | TRINITY SO GP, L.L.C. |
| NPDES ID | TX0092088 |
| 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 | October 4, 2017 |
| Expiration date | March 1, 2022 |
| Address | Spring, TX 77389 |
| Receiving water | HCFCDD J121-01-00, HCFCDD J121-00-0, SPRING CREEK |
| Subwatershed | Panther Branch-Spring Creek (HUC 120401020212) |
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
- 5With 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 | 311 | 8 | July 31, 2017 | 620% over the limit |
| Solids, total suspended | 3 | 309 | 6 | February 28, 2021 | 78% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 206 | 2 | December 31, 2015 | 420% over the limit |
| Oxygen, dissolved [DO] | 1 | 103 | 2 | April 30, 2015 | 30% over the limit |
| E. coli | 2 | 18 | 2 | September 30, 2015 | 2,320% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 303 | 0 | ||
| pH | 3 | 206 | 0 | ||
| Chlorine, total residual | 2 | 204 | 0 | ||
| Arsenic, dry weight | 5 | 20 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 17 | 0 | ||
| Selenium, dry weight | 3 | 12 | 0 | ||
| Copper, dry weight | 3 | 12 | 0 | ||
| Cadmium, dry weight | 3 | 12 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 12 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 12 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 9 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 9 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 9 | 0 | ||
| Nickel, total [as Ni] | 2 | 8 | 0 | ||
| Vector attraction reduction alternative used | 2 | 8 | 0 | ||
| Level of pathogen requirements achieved | 2 | 7 | 0 | ||
| Description of pathogen option used | 2 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 5 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 5 | 0 | ||
| Annual amt of sludge incinerated | 1 | 5 | 0 | ||
| Annual sludge production, total | 1 | 5 | 0 | ||
| Annual amount of sludge land applied | 1 | 5 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 5 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 5 | 0 | ||
| Annual amt sludge transported interstate | 1 | 5 | 0 | ||
| Fecal coliform | 1 | 4 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 4 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 4 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 4 | 0 | ||
| Boundary areas | 1 | 4 | 0 | ||
| Salmonella | 1 | 4 | 0 | ||
| Pollutant table from 503.13 | 1 | 3 | 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 |
|---|---|---|
| December 18, 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 15, 2026.