Clean Water Act discharge permit · NPDES TX0055361
CITY OF SADLER WWTP, Sadler, TX: NPDES TX0055361 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 36Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
CITY OF SADLER WWTP, held by SADLER, CITY OF, holds NPDES permit TX0055361, which discharges to Unnamed Trib, Mustang Creek, Big Mi. EPA’s file records it issued April 26, 2016 and expiring December 1, 2020.
CITY OF SADLER WWTP, Sadler, Texas: Individual permit TX0055361, held by SADLER, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued April 26, 2016, term to December 1, 2020; discharges to UNNAMED TRIB, MUSTANG CREEK, BIG MI.
- pH: 3 limits, 114 violations of any kind, 103 effluent exceedances, latest November 30, 2021.
- BOD, 5-day, 20 deg. C: 3 limits, 111 violations of any kind, 87 effluent exceedances, latest September 30, 2023, largest 719% over the limit.
- Solids, total suspended: 2 limits, 88 violations of any kind, 72 effluent exceedances, latest January 31, 2022, largest 196% over the limit.
- E. coli: 2 limits, 36 violations of any kind, 31 effluent exceedances, latest March 31, 2022, largest 18,948% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 17 violations of any kind, 11 effluent exceedances, latest November 30, 2016, largest 87% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 15 violations of any kind, 1 effluent exceedance, latest May 31, 2015, largest 11% over the limit.
- Arsenic, dry weight: 5 limits, 20 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 20 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 5 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- September 3, 2026: Permit Violations - Violation Specified in Comment (ST6).
- September 3, 2026: Evaluation (S).
- March 12, 2026: Letter of Violation/ Warning Letter (State).
- January 6, 2026: Phone Call/ EMAIL (State).
- May 8, 2025: Permit Violations - Violation Specified in Comment (ST6).
- November 17, 2021: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 256 were issued before TX0055361.
Coverages issued nearest TX0055361
- April 13, 2016: SHELBYVILLE ISD WWTP, Shelbyville, TX0102261, held by SHELBYVILLE ISD
- April 20, 2016: CITY OF JEFFERSON WWTP, Jefferson, TX0024902, held by JEFFERSON, CITY OF
- April 22, 2016: WAGNER CREEK WWTP, Texarkana, TX0099287, held by TEXARKANA, CITY OF
- April 22, 2016: SOUTH REGIONAL WWTP, Texarkana, TX0101800, held by TEXARKANA, CITY OF
- April 22, 2016: CITY OF NEWTON WWTP, Newton, TX0133205, held by NEWTON, CITY OF
- April 27, 2016: CITY OF HIGGINS WWTP, Higgins, TX0070009, held by HIGGINS, CITY OF
- April 27, 2016: CITY OF OMAHA WWTP, Omaha, TX0071633, held by OMAHA, CITY OF
- May 2, 2016: CITY OF BURNET WWTP, Burnet, TX0026484, held by BURNET, CITY OF
- May 2, 2016: CITY OF CUMBY WWTP, Cumby, TX0052981, held by CUMBY, CITY OF
- May 2, 2016: CITY OF LONE OAK WWTP, Lone Oak, TX0100021, held by LONE OAK, CITY OF
CITY OF SADLER WWTP among its neighbors
EPA’s permit file holds 5 discharge permits in the Upper Big Mineral Creek subwatershed (HUC 111302100401), TX0055361 among them. Its county holds 289, 3 of them major permits; TX0055361 is a minor permit.
Other permits in the Upper Big Mineral Creek subwatershed (HUC 111302100401)
- CITY OF WHITESBORO WWTP, Whitesboro: TX0023566, minor permit, discharging to UNNM TRIB/BIG MINERAL CK/LK TEXOMA, permit term to February 19, 2024
- PICKENS WWTF, Southmayd: TX0148695, not classed
- TEXOMA AREA SOLID WASTE AUTHORITY LANDFILL, Whitesboro: TXR05AH82, minor permit, permit term to August 13, 2021
- WHITESBORO ISD EARLY CHILDHOOD CENTER, Whitesboro: TXR1526UN, minor permit, discharging to UNNAMED TRIBUTARY TO BIG MINERAL CREEK SEG. 0203A, permit term to March 4, 2028
Identity
| Facility as filed | CITY OF SADLER WWTP |
|---|---|
| Permittee as filed | SADLER, CITY OF |
| NPDES ID | TX0055361 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 26, 2016 |
| Expiration date | December 1, 2020 |
| Address | Sadler, TX 75092 |
| Receiving water | UNNAMED TRIB, MUSTANG CREEK, BIG MI |
| Subwatershed | Upper Big Mineral Creek (HUC 111302100401) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 37Pollutants on file
- 36Under a numeric limit
- 37With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| pH | 3 | 114 | 103 | November 30, 2021 | |
| BOD, 5-day, 20 deg. C | 3 | 111 | 87 | September 30, 2023 | 719% over the limit |
| Solids, total suspended | 2 | 88 | 72 | January 31, 2022 | 196% over the limit |
| E. coli | 2 | 36 | 31 | March 31, 2022 | 18,948% over the limit |
| Oxygen, dissolved [DO] | 1 | 17 | 11 | November 30, 2016 | 87% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 15 | 1 | May 31, 2015 | 11% over the limit |
| Arsenic, dry weight | 5 | 20 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 20 | 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 | 12 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 12 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 12 | 0 | ||
| Nickel, total [as Ni] | 2 | 8 | 0 | ||
| Level of pathogen requirements achieved | 2 | 8 | 0 | ||
| Description of pathogen option used | 2 | 8 | 0 | ||
| Vector attraction reduction alternative used | 2 | 8 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 5 | 0 | ||
| Fecal coliform | 1 | 4 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 4 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 4 | 0 | ||
| Annual amt of sludge incinerated | 1 | 4 | 0 | ||
| Annual sludge production, total | 1 | 4 | 0 | ||
| Annual amount of sludge land applied | 1 | 4 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 4 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 4 | 0 | ||
| Annual amt sludge transported interstate | 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 | 4 | 0 | ||
| Chlorine, total residual | 0 | 2 | 0 | ||
| Annual whole sludge application rate | 1 | 1 | 0 |
Inspections, violations and enforcement
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 3, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| May 8, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| November 17, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| September 3, 2026 | Evaluation | S |
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
| Date | What EPA recorded | Agency |
|---|---|---|
| March 12, 2026 | Letter of Violation/ Warning Letter | State |
| January 6, 2026 | Phone Call/ EMAIL | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.