NPDES TXS001901 · Clean Water Act
CITY OF SAN ANTONIO MS4, San Antonio, TX: NPDES TXS001901 discharge permit, effluent exceedances, inspections, penalties
CITY OF SAN ANTONIO MS4, San Antonio, Texas: Individual permit TXS001901, held by SAN ANTONIO, CITY OF; Large municipal storm sewer systems; Administratively continued; issued April 11, 2011, term to September 28, 2012.
- Hardness, total [as CaCO3]: 56 limits, 100 violations of any kind.
- Temperature, water deg. centigrade: 56 limits, 98 violations of any kind.
- Oil & Grease: 56 limits, 90 violations of any kind.
- Diazinon: 56 limits, 88 violations of any kind.
- BOD, 5-day, 20 deg. C: 56 limits, 86 violations of any kind.
- Oxygen demand, chem. [high level] [COD]: 56 limits, 86 violations of any kind.
- Solids, total suspended: 56 limits, 86 violations of any kind.
- Nitrogen, total [as N]: 56 limits, 86 violations of any kind.
- Nitrogen, ammonia total [as N]: 56 limits, 86 violations of any kind.
- Nitrogen, Kjeldahl, total [as N]: 56 limits, 86 violations of any kind.
- Phosphorus, total [as P]: 56 limits, 86 violations of any kind.
- Phosphorus, dissolved: 56 limits, 86 violations of any kind.
- Nickel, total [as Ni]: 56 limits, 86 violations of any kind.
- Solids, total dissolved: 56 limits, 86 violations of any kind.
- pH: 56 limits, 84 violations of any kind.
- Cadmium, total [as Cd]: 56 limits, 84 violations of any kind.
- Chromium, total [as Cr]: 56 limits, 84 violations of any kind.
- Copper, total [as Cu]: 56 limits, 84 violations of any kind.
- Lead, total [as Pb]: 56 limits, 84 violations of any kind.
- Zinc, total [as Zn]: 56 limits, 84 violations of any kind.
- E. coli: 56 limits, 82 violations of any kind.
- Nitrogen, nitrate total [as N]: 56 limits, 74 violations of any kind.
- Cyanide, total [as CN]: 56 limits, 56 violations of any kind.
- Coliform, fecal general: 0 limits, 30 violations of any kind.
- Nitrite + Nitrate total [as N]: 0 limits, 28 violations of any kind.
- Cyanide, free [amenable to chlorination]: 0 limits, 28 violations of any kind.
- Enterococci: group D, MF trans, M-E, EIA: 0 limits, 28 violations of any kind.
- June 3, 2026: Phone Call/ EMAIL (State).
- May 29, 2026: Focused (S).
- May 12, 2026: Phone Call/ EMAIL (State).
Texas holds 21 Large municipal storm sewer systems coverages of this permit type in EPA’s file; 5 were issued before TXS001901.
Coverages issued nearest TXS001901
- 2006-06-30: DALLAS DISTRICT IN DALLAS, Dallas: TXS000702, held by TX DEPT. OF TRANSPORTATION-DAL
- 2007-07-20: CITY OF PLANO MS4, Plano: TXS001801, held by PLANO,CITY OF
- 2008-06-06: CITY OF LUBBOCK MS4, Lubbock: TXS001501, held by LUBBOCK, CITY OF
- 2008-08-11: CORPUS CHRISTI, CITY OF, Corpus Christi: TXS000601
- 2009-03-13: PORT OF HOUSTON AUTH MS4, Houston: TXS001202, held by PORT OF HOUSTON AUTHORITY
- 2011-06-17: CITY OF GARLAND MS4, Collin County: TXS001001, held by GARLAND, CITY OF
- 2011-07-07: UNIVERSITY OF TEXAS AT AUSTIN MS4, Austin: TXS000403, held by UNIVERSITY OF TEXAS AT AUSTIN
- 2011-07-20: CITY OF AUSTIN MS4, Austin: TXS000401, held by AUSTIN, CITY OF
- 2011-07-29: CITY OF FORT WORTH MS4, Denton County: TXS000901, held by FORT WORTH, CITY OF & TARRANT
- 2011-08-15: CITY OF ABILENE MS4, Abilene: TXS000101, held by ABILENE, CITY OF
CITY OF SAN ANTONIO MS4 among its neighbors
59 discharge permits are in the Beitel Creek-Salado Creek subwatershed (HUC 121003010104); TXS001901 is one. Its county: 2,157, 12 major; TXS001901 is major permit.
Other permits in the Beitel Creek-Salado Creek subwatershed (HUC 121003010104)
- A & C PRODUCTS, San Antonio: TXRNECA39, minor, term to 2026-08-13
- AIRCRAFT TECHNOLOGIES, San Antonio: TXRNEBV54, minor, term to 2026-08-13
- ALASKA AIRLINES - SAN ANTONIO, San Antonio: TXR05FH63, minor, term to 2026-08-13
- ALLIED AVIATION FUELING OF SA, San Antonio: TXR05FK88, minor, term to 2026-08-13
- AMAZONCOM SERVICES DSX8, San Antonio: TXR05FS64, minor, term to 2026-08-13
- AVIATION AIRSTAR, San Antonio: TXR05AA50, minor, term to 2026-08-13
- BAK BORD, Live Oak: TXRNECJ09, minor, term to 2026-08-13
- BULVERDE RD PHASE 1, San Antonio: TXR1509QZ, minor, term to 2028-03-04
- CAPITOL AGGREGATES CEMENT PLANT, San Antonio: TX0030040, minor, term to 2025-03-31
- CAPITOL SKYMINE CARBON MINERALIZATION PLANT, San Antonio: TXR05GL15, minor, term to 2026-08-13
Identity
| Facility | CITY OF SAN ANTONIO MS4 |
|---|---|
| Permittee | SAN ANTONIO, CITY OF |
| NPDES ID | TXS001901 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Non-POTW |
| Program | Large municipal storm sewer systems |
| Issued | April 11, 2011 |
| Expires | September 28, 2012 |
| Address | San Antonio, TX 78283 |
| Subwatershed | Beitel Creek-Salado Creek (HUC 121003010104) |
| SIC | 9111 – Executive Offices |
NPDES TXS001901: effluent limits and exceedances
CITY OF SAN ANTONIO MS4 (NPDES TXS001901): 27 pollutants on file, 23 limited; 27 with a violation of any kind, 0 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Hardness, total [as CaCO3] | 56 | 100 | 0 | ||
| Temperature, water deg. centigrade | 56 | 98 | 0 | ||
| Oil & Grease | 56 | 90 | 0 | ||
| Diazinon | 56 | 88 | 0 | ||
| BOD, 5-day, 20 deg. C | 56 | 86 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 56 | 86 | 0 | ||
| Solids, total suspended | 56 | 86 | 0 | ||
| Nitrogen, total [as N] | 56 | 86 | 0 | ||
| Nitrogen, ammonia total [as N] | 56 | 86 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 56 | 86 | 0 | ||
| Phosphorus, total [as P] | 56 | 86 | 0 | ||
| Phosphorus, dissolved | 56 | 86 | 0 | ||
| Nickel, total [as Ni] | 56 | 86 | 0 | ||
| Solids, total dissolved | 56 | 86 | 0 | ||
| pH | 56 | 84 | 0 | ||
| Cadmium, total [as Cd] | 56 | 84 | 0 | ||
| Chromium, total [as Cr] | 56 | 84 | 0 | ||
| Copper, total [as Cu] | 56 | 84 | 0 | ||
| Lead, total [as Pb] | 56 | 84 | 0 | ||
| Zinc, total [as Zn] | 56 | 84 | 0 | ||
| E. coli | 56 | 82 | 0 | ||
| Nitrogen, nitrate total [as N] | 56 | 74 | 0 | ||
| Cyanide, total [as CN] | 56 | 56 | 0 | ||
| Coliform, fecal general | 0 | 30 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 28 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 28 | 0 | ||
| Enterococci: group D, MF trans, M-E, EIA | 0 | 28 | 0 |
NPDES TXS001901: inspections, violations and enforcement
NPDES TXS001901: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| May 29, 2026 | Focused | S |
NPDES TXS001901: 2 informal enforcement actions
| Date | What EPA recorded | Agency |
|---|---|---|
| June 3, 2026 | Phone Call/ EMAIL | State |
| May 12, 2026 | Phone Call/ EMAIL | State |
NPDES TXS001901 (CITY OF SAN ANTONIO MS4): no single-event violation and formal enforcement action on file.
Watch NPDES TXS001901
NPDES TXS001901: one email when its EPA record changes — $99/month.
Permits near NPDES TXS001901
NPDES TXS001901: 27 pollutant rows, 3 dated events; ICIS-NPDES download, loaded October 14, 2026.