Clean Water Act discharge permit · NPDES TX0126969
HIGHWAY 181 SOUTH WWTP, Elmendorf, TX: NPDES TX0126969 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 37Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
HIGHWAY 181 SOUTH WWTP, held by ELMENDORF, CITY OF, holds NPDES permit TX0126969, which discharges to Unnamed Trib;Calaveras Lk:Calaveras Crk;. EPA’s file records it issued January 6, 2020 and expiring January 6, 2025.
HIGHWAY 181 SOUTH WWTP, Elmendorf, Texas: Individual permit TX0126969, held by ELMENDORF, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 6, 2020, term to January 6, 2025; discharges to UNNAMED TRIB;CALAVERAS LK:CALAVERAS CRK;.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 66 violations of any kind, 64 effluent exceedances, latest September 30, 2025, largest 2,320% over the limit.
- E. coli: 4 limits, 25 violations of any kind, 25 effluent exceedances, latest July 31, 2026, largest 2,224% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 3 violations of any kind, 1 effluent exceedance, latest February 29, 2024, largest 46% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 3 violations of any kind, 0 effluent exceedances.
- BOD, 5-day, 20 deg. C: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- pH: 3 limits, 2 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 3 limits, 2 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- November 27, 2023: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 1,288 were issued before TX0126969.
Coverages issued nearest TX0126969
- December 18, 2019: CITY OF EDNA WWTP, Edna, TX0024252, held by EDNA, CITY OF
- December 19, 2019: SOUTH AUSTIN REGIONAL WWTP, Del Valle, TX0071889, held by AUSTIN, CITY OF
- December 23, 2019: SPRING WEST MUD WWTP, Houston, TX0090824, held by SPRING WEST MUD
- December 23, 2019: LICK CREEK WWTP, College Station, TX0093262, held by COLLEGE STATION, CITY OF
- December 23, 2019: FIRST RESPONDERS ACADEMY WWTP, Atascosa, TX0133094, held by SAN ANTONIO RIVER AUTHORITY
- January 6, 2020: FORT BEND COUNTY MUD 134A WWTP, Richmond, TX0128791, held by FORT BEND COUNTY MUNICIPAL UTILITY DISTRICT NO 134A
- January 7, 2020: CARTERS CREEK WWTP, College Station, TX0047163, held by COLLEGE STATION, CITY OF
- January 14, 2020: GREGORY WWTP, Gregory, TX0083062, held by GREGORY, CITY OF
- January 14, 2020: HARRIS COUNTY MUD 536, Katy, TX0135704, held by HARRIS COUNTY MUNICIPAL UTILITY DISTRICT 536
- January 17, 2020: CITY OF EDEN WWTP, Eden, TX0079804, held by EDEN, CITY OF
HIGHWAY 181 SOUTH WWTP among its neighbors
EPA’s permit file holds 118 discharge permits in the Upper Calaveras Creek subwatershed (HUC 121003010302), TX0126969 among them. Its county holds 2,157, 12 of them major permits; TX0126969 is a minor permit.
Other permits in the Upper Calaveras Creek subwatershed (HUC 121003010302)
- 87 PIT, San Antonio: TXR05FN77, minor permit, permit term to August 13, 2026
- 9362 HILDEBRANDT, San Antonio: TXR1568QP, minor permit, discharging to CALAVERAS RESERVOIR, permit term to March 4, 2028
- ALAMO CITY ESS, San Antonio: TXR1596XM, minor permit, discharging to HONDO CREEK, permit term to March 4, 2028
- ALAMO CITY SUBSTATION ESS, San Antonio: TXR1578WS, minor permit, discharging to SALADO CREEK, permit term to March 4, 2028
- ANNABELLE RANCH, San Antonio: TXR1564MD, minor permit, discharging to HONDO CREEK, permit term to March 4, 2028
- BLUE RIDGE - HOME BUILDING, San Antonio: TXR1579UI, minor permit, discharging to CALAVERAS RESERVIOR, permit term to March 4, 2028
- BLUE RIDGE RANCH, San Antonio: TXR1508VL, minor permit, discharging to UNNAMED TRIBUTARY TO CALAVERAS CREEK TO CALAVERAS, permit term to March 4, 2028
- BLUE RIDGE RANCH SUBD UNIT 7, San Antonio: TXR1553UF, minor permit, discharging to ROSILLO CREEK 1910B, permit term to March 4, 2028
- BLUERIDGE RANCH, San Antonio: TXR1590SC, minor permit, discharging to ROSILLO CREEK, permit term to March 4, 2028
- C&F TOOL & DIE, San Antonio: TXRNEBV90, minor permit, permit term to August 13, 2026
Identity
| Facility as filed | HIGHWAY 181 SOUTH WWTP |
|---|---|
| Permittee as filed | ELMENDORF, CITY OF |
| NPDES ID | TX0126969 |
| 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 | January 6, 2020 |
| Expiration date | January 6, 2025 |
| Address | Elmendorf, TX 78112 |
| Receiving water | UNNAMED TRIB;CALAVERAS LK:CALAVERAS CRK; |
| Subwatershed | Upper Calaveras Creek (HUC 121003010302) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 38Pollutants on file
- 37Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 3 | 66 | 64 | September 30, 2025 | 2,320% over the limit |
| E. coli | 4 | 25 | 25 | July 31, 2026 | 2,224% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 3 | 1 | February 29, 2024 | 46% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 3 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 3 | 0 | ||
| pH | 3 | 2 | 0 | ||
| Solids, total suspended | 3 | 2 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Level of pathogen requirements achieved | 2 | 0 | 0 | ||
| Description of pathogen option used | 2 | 0 | 0 | ||
| Vector attraction reduction alternative used | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Fecal coliform | 1 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 0 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 0 | 0 | ||
| Boundary areas | 1 | 0 | 0 | ||
| Salmonella | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 27, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0126969.
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 TX0126969.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.