NPDES TX0118770 · Clean Water Act
WALNUT CREEK MOBILE HOME PARK WWTF, Johnson County, TX: NPDES TX0118770 discharge permit, effluent exceedances, inspections, penalties
WALNUT CREEK MOBILE HOME PARK WWTF, Johnson County, Texas: Individual permit TX0118770, held by STONETOWN WALNUT CREEK LLC; Administratively continued; issued October 10, 2016, term to September 1, 2021; discharges to UNNAMED TRIB WALNUT CRK; JOE POOL LAKE.
1 of the 37 pollutants listed for NPDES TX0118770 have no violation or effluent exceedance.
- Solids, total suspended: 3 limits, 246 violations of any kind, 66 effluent exceedances, latest June 30, 2026, largest 477% over the limit.
- BOD, 5-day, 20 deg. C: 3 limits, 218 violations of any kind, 41 effluent exceedances, latest April 30, 2023, largest 168% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 79 violations of any kind, 19 effluent exceedances, latest August 31, 2024, largest 60% over the limit.
- E. coli: 2 limits, 71 violations of any kind, 17 effluent exceedances, latest March 31, 2025, largest 99,999% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 129 violations of any kind, 5 effluent exceedances, latest January 31, 2024, largest 269% over the limit.
- Chlorine, total residual: 2 limits, 127 violations of any kind, 3 effluent exceedances, latest January 31, 2025, largest 500% over the limit.
- pH: 3 limits, 128 violations of any kind.
- Arsenic, dry weight: 5 limits, 25 violations of any kind.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 25 violations of any kind.
- Selenium, dry weight: 3 limits, 15 violations of any kind.
- Copper, dry weight: 3 limits, 15 violations of any kind.
- Cadmium, dry weight: 3 limits, 15 violations of any kind.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 15 violations of any kind.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 15 violations of any kind.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 15 violations of any kind.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 15 violations of any kind.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 15 violations of any kind.
- Nickel, total [as Ni]: 2 limits, 10 violations of any kind.
- Level of pathogen requirements achieved: 2 limits, 10 violations of any kind.
- Description of pathogen option used: 2 limits, 10 violations of any kind.
- Vector attraction reduction alternative used: 2 limits, 10 violations of any kind.
- Annual sludge production, total: 1 limit, 9 violations of any kind.
- Annual amount of sludge land applied: 1 limit, 9 violations of any kind.
- Ann. amt sludge disposed by other method: 1 limit, 8 violations of any kind.
- Annual amt of sludge incinerated: 1 limit, 8 violations of any kind.
- Annual amt. sludge disposed surface unit: 1 limit, 8 violations of any kind.
- Annual amt sludge disposed in landfill: 1 limit, 8 violations of any kind.
- Annual amt sludge transported interstate: 1 limit, 8 violations of any kind.
- Polychlorinated biphenyls [PCBs]: 1 limit, 6 violations of any kind.
- Toxicity characteristic leaching procedure: 1 limit, 6 violations of any kind.
- Compliance w/part 258 sludge requirement: 1 limit, 6 violations of any kind.
- Fecal coliform: 1 limit, 5 violations of any kind.
- Unit w/liner/leachate collection system: 1 limit, 5 violations of any kind.
- Boundary areas: 1 limit, 5 violations of any kind.
- Salmonella: 1 limit, 5 violations of any kind.
- Pollutant table from 503.13: 1 limit, 5 violations of any kind.
- Annual whole sludge application rate: 1 limit.
- May 31, 2022: Permit Violations - Violation Specified in Comment (ST6).
- March 4, 2022: Permit Violations - Violation Specified in Comment (ST6).
- May 15, 2020: Permit Violations - Violation Specified in Comment (ST6).
- April 25, 2017: Permit Violations - Violation Specified in Comment (ST6).
WALNUT CREEK MOBILE HOME PARK WWTF among its neighbors
41 discharge permits are in the King Branch-Walnut Creek subwatershed (HUC 120301020604); TX0118770 is one. Its county: 286, 1 major; TX0118770 is minor permit.
Other permits in the King Branch-Walnut Creek subwatershed (HUC 120301020604)
- AMAZONCOM SERVICES DFW7, Fort Worth: TXR05FD09, minor, term to 2026-08-13
- AMERICAN RECYCLING, Fort Worth: TXR05FM69, minor, term to 2026-08-13
- AXIS INDUSTRIES MANSFIELD, Mansfield: TXR05GC59, minor, term to 2026-08-13
- BOSTIK FORT WORTH PLANT, Ft Worth: TXR05FL74, minor, term to 2026-08-13
- COUNTRY VISTA WWTP, Johnson County: TX0113573, minor, term to 2021-09-01
- DEER CREEK, Burleson: TXR1579OM, minor, term to 2028-03-04
- DURHAM SCHOOL SERVICES PRC 3102 BURLESON, Alvarado: TXRNEBW36, minor, term to 2026-08-13
- E RENFRO, Burleson: TXR1582TU, minor, term to 2028-03-04
- E RENFRO, Burleson: TXR1591TV, minor, term to 2028-03-04
- FREEDOM TERMINAL SERVICES, Fort Worth: TXRNEBQ47, minor, term to 2026-08-13
Identity
| Facility | WALNUT CREEK MOBILE HOME PARK WWTF |
|---|---|
| Permittee | STONETOWN WALNUT CREEK LLC |
| NPDES ID | TX0118770 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | October 10, 2016 |
| Expires | September 1, 2021 |
| Address | Johnson County, TX 76009 |
| Receiving water | UNNAMED TRIB WALNUT CRK; JOE POOL LAKE |
| Subwatershed | King Branch-Walnut Creek (HUC 120301020604) |
| SIC | 6515 – Mobile Home Site Operators |
NPDES TX0118770: effluent limits and exceedances
WALNUT CREEK MOBILE HOME PARK WWTF (NPDES TX0118770): 37 pollutants on file, 37 limited; 36 with a violation of any kind, 6 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 246 | 66 | June 30, 2026 | 477% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 218 | 41 | April 30, 2023 | 168% over the limit |
| Oxygen, dissolved [DO] | 1 | 79 | 19 | August 31, 2024 | 60% over the limit |
| E. coli | 2 | 71 | 17 | March 31, 2025 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 129 | 5 | January 31, 2024 | 269% over the limit |
| Chlorine, total residual | 2 | 127 | 3 | January 31, 2025 | 500% over the limit |
| pH | 3 | 128 | 0 | ||
| Arsenic, dry weight | 5 | 25 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 25 | 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 | ||
| Zinc, sludge, total, dry weight [as Zn] | 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 | ||
| Nickel, total [as Ni] | 2 | 10 | 0 | ||
| Level of pathogen requirements achieved | 2 | 10 | 0 | ||
| Description of pathogen option used | 2 | 10 | 0 | ||
| Vector attraction reduction alternative used | 2 | 10 | 0 | ||
| Annual sludge production, total | 1 | 9 | 0 | ||
| Annual amount of sludge land applied | 1 | 9 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 8 | 0 | ||
| Annual amt of sludge incinerated | 1 | 8 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 8 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 8 | 0 | ||
| Annual amt sludge transported interstate | 1 | 8 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 6 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 6 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 6 | 0 | ||
| Fecal coliform | 1 | 5 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 5 | 0 | ||
| Boundary areas | 1 | 5 | 0 | ||
| Salmonella | 1 | 5 | 0 | ||
| Pollutant table from 503.13 | 1 | 5 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 |
NPDES TX0118770: inspections, violations and enforcement
NPDES TX0118770: 4 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 31, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| March 4, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| May 15, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| April 25, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0118770 (WALNUT CREEK MOBILE HOME PARK WWTF): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TX0118770
NPDES TX0118770: one email when its EPA record changes — $99/month.
Permits near NPDES TX0118770
NPDES TX0118770: 37 pollutant rows, 4 dated events; ICIS-NPDES download, loaded October 14, 2026.