Clean Water Act discharge permit · NPDES TX0117358
STAFFORD MHP WWTP, Sugar Land, TX: NPDES TX0117358 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
STAFFORD MHP WWTP, held by STAFFORD MOBILE HOME PARK, INC, holds NPDES permit TX0117358, which discharges to Stafford Run Creek; Upper Oyster Ck. EPA’s file records it issued February 24, 2015 and expiring December 1, 2018.
STAFFORD MHP WWTP, Sugar Land, Texas: Individual permit TX0117358, held by STAFFORD MOBILE HOME PARK, INC; Effective; issued February 24, 2015, term to December 1, 2018; discharges to STAFFORD RUN CREEK; UPPER OYSTER CK.
- Nitrogen, ammonia total [as N]: 3 limits, 107 violations of any kind, 11 effluent exceedances, latest May 31, 2012, largest 290% over the limit.
- Solids, total suspended: 3 limits, 93 violations of any kind, 6 effluent exceedances, latest November 30, 2008, largest 43% over the limit.
- Chlorine, total residual: 2 limits, 65 violations of any kind, 1 effluent exceedance, latest December 31, 2006, largest 20% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 99 violations of any kind, 0 effluent exceedances.
- pH: 3 limits, 68 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 66 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 33 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 10 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 10 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 4 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 4 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 4 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- E. coli: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- May 15, 2023: Permit Violations - Discharge Without a Valid Permit (ST6).
STAFFORD MHP WWTP among its neighbors
EPA’s permit file holds 149 discharge permits in the Middle Oyster Creek subwatershed (HUC 120402050200), TX0117358 among them. Its county holds 1,100, 41 of them major permits; TX0117358 is a minor permit.
Other permits in the Middle Oyster Creek subwatershed (HUC 120402050200)
- 1172 FM 655, Rosharon: TXR1538XG, minor permit, discharging to AUSTIN BAYOU, permit term to March 4, 2028
- 12-INCH GRAVITY SEWER MAIN - MISSOURI CITY, Missouri City: TXR1527NQ, minor permit, discharging to OYSTER CREEK, permit term to March 4, 2028
- ANNISTON SECTION 13, Katy: TXR1597VR, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
- ANNISTON SECTION 17, Katy: TXR1598VB, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
- ANNISTON SECTION SECTION 1 2 3 & 5, Katy: TXR1584OO, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
- ASHLAND, Angleton: TXR1515WE, minor permit, discharging to STYLES BAYOU, permit term to March 4, 2028
- BWSC RESERVOIR PROJECT - OYSTER CREEK IMPROVEMENTS, Brazoria County: TXR1512UT, minor permit, discharging to OYSTER CREEK, permit term to March 4, 2028
- BWSC RESERVOIR PROJECT - RESERVOIR CONSTRUCTION, Angleton: TXR1562VG, minor permit, discharging to OYSTER CREEK, permit term to March 4, 2028
- CALDWELL RANCH, Iowa Colony: TXR1584NR, minor permit, discharging to CHOCALATE BAYOU, permit term to March 4, 2028
- CALDWELL RANCH, Rosharon: TXR1596UJ, minor permit, discharging to OYSTER CREEK ABOVE TIDAL, permit term to March 4, 2028
Identity
| Facility as filed | STAFFORD MHP WWTP |
|---|---|
| Permittee as filed | STAFFORD MOBILE HOME PARK, INC |
| NPDES ID | TX0117358 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 24, 2015 |
| Expiration date | December 1, 2018 |
| Address | Sugar Land, TX 77477 |
| Receiving water | STAFFORD RUN CREEK; UPPER OYSTER CK |
| Subwatershed | Middle Oyster Creek (HUC 120402050200) |
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 37With a violation of any kind
- 3With 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 | 107 | 11 | May 31, 2012 | 290% over the limit |
| Solids, total suspended | 3 | 93 | 6 | November 30, 2008 | 43% over the limit |
| Chlorine, total residual | 2 | 65 | 1 | December 31, 2006 | 20% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 99 | 0 | ||
| pH | 3 | 68 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 66 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 33 | 0 | ||
| Arsenic, dry weight | 5 | 10 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 10 | 0 | ||
| Selenium, dry weight | 3 | 6 | 0 | ||
| Copper, dry weight | 3 | 6 | 0 | ||
| Cadmium, dry weight | 3 | 6 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 6 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 6 | 0 | ||
| Nickel, total [as Ni] | 2 | 4 | 0 | ||
| Level of pathogen requirements achieved | 2 | 4 | 0 | ||
| Description of pathogen option used | 2 | 4 | 0 | ||
| Vector attraction reduction alternative used | 2 | 4 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 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 | ||
| Compliance w/part 258 sludge requirement | 1 | 3 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| Fecal coliform | 1 | 2 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 2 | 0 | ||
| Boundary areas | 1 | 2 | 0 | ||
| Salmonella | 1 | 2 | 0 | ||
| Pollutant table from 503.13 | 1 | 2 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 15, 2023 | Permit Violations - Discharge Without a Valid Permit | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0117358.
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 TX0117358.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.