EPA · discharge permits by watershed
Flat Creek-Medina River (subwatershed 121003020501)
- 36Current permits
- 1States
A subwatershed is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Texas. Each permit is placed by the outfall EPA names as its representative discharge point.
By state
- Texas36
Other subwatersheds
- Big Sous Creek 80
- Polecat Creek-Medina River 202
- Medio Creek 186
- Live Oak Slough-Medina River 57
- Post Oak Creek-Elm Creek 21
- Town of Somerset-Elm Creek 25
- Town of Oak Island-Medina River 12
- Palo Blanco Creek-Medina River 78
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| 271 MATERIALS | TXR05GF53 | RIO MEDINA | TX | Industrial stormwater | Minor | Flat Creek-Medina River |
| ALSATIAN OAKS | TXR1565PK | CASTROVILLE | TX | Construction stormwater | Minor | MEDINA RIVER BELOW MEDINA DIVERSION LAKE 1903 |
| ALSATIAN OAKS | TXR1577TF | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK |
| ALSATIAN OAKS - UNIT 1 | TXR1567NS | CASTROVILLE | TX | Construction stormwater | Minor | MEDINA RIVER BELOW MEDINA DIVERSION LAKE |
| ALSATIAN OAKS UNITS 4 & 5 | TXR1571VF | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK WHICH RUNS INTO MEDINA RIVER |
| AT&T COMMUNICATION LINE FIBER CABLE INSTALL - A05DFSD 26TX34 | TXR1542ZB | CASTROVILLE | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| AT&T COMMUNICATION LINES INSTALL-A05DFSD 26TX34 | TXR1541ZB | LACOSTE | TX | Construction stormwater | Minor | 7 UNNAMED TRIBUTARIES |
| CASTLEROCK COMMUNITIES - MEGANS LANDING | TXR1598VC | CASTROVILLE TEXAS | TX | Construction stormwater | Minor | SAN GERONIMO CREEK |
| CITY OF CASTROVILLE WWTP | TX0129364 | CASTROVILLE | TX | Publicly owned treatment works | Minor | Medina River Below Medina Diversion Lake |
| COUNTRY VILLAGE ESTATES | TXR1552UA | CASTROVILLE | TX | Construction stormwater | Minor | MEDINA RIVER |
| COUNTRY VILLAGE ESTATES | TXR1511OZ | CASTROVILLE | TX | Construction stormwater | Minor | MEDINA RIVER BELOW MEDINA DIVERSION LAKE |
| FGU WRRF 2 - PHASE 1 | TXR1502RH | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| FLAT CREEK | TXR1520WS | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK |
| FLAT CREEK COMMERCIAL COLLECTOR | TXR1523UA | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK |
| FLAT CREEK SUBDIVISION | TXR1501YN | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK |
| FLAT CREEK SUBDIVISION | TXR1529XO | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK |
| FLAT CREEK SUBDIVISION UNIT 1 | TXR1525UA | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK |
| FLAT CREEK SUBDIVISION UNIT 2 | TXR1524UA | CASTROVILLE | TX | Construction stormwater | Minor | FLAT CREEK |
| FLAT CREEK UNIT 3 | TXR1529SX | SAN ANTONIO | TX | Construction stormwater | Minor | TRIBUTARY OF FLAT CREEK |
| J&S MATERIALS CASTROVILLE PIT | TXR05GZ55 | LA COSTE | TX | Industrial stormwater | Minor | Flat Creek-Medina River |
| MEGANS LANDING | TXR1501XK | CASTROVILLE | TX | Construction stormwater | Minor | KEMPF CREEK |
| MEGANS LANDING | TXR1566RC | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY TO KEMPF CREEK TO MEDINA RIVER B |
| MEGANS LANDING | TXR1530OE | SAN ANTONIO | TX | Construction stormwater | Minor | KEMPF CREEK |
| MEGANS LANDING - HB | TXR1566NS | RIO MEDINA | TX | Construction stormwater | Minor | MEDINA RIVER BELOW MEDINA DIVERSION LAKE |
| MEGANS LANDING - HB | TXR1519QQ | CASTROVILLE | TX | Construction stormwater | Minor | MEDINA RIVER BELOW MEDINA DIVERSION LAKE |
| MEGANS LANDING UNIT 2 | TXR1582OV | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| MEGANS LANDING UNIT 3 | TXR1578TA | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| MEGANS LANDING UNIT 4A | TXR1531NU | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| MEGANS LANDING UNIT 4B | TXR1517RJ | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| MEGANS LANDING UNIT 5A | TXR1542NO | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| MEGANS LANDING UNIT 5B | TXR1516RJ | SAN ANTONIO | TX | Construction stormwater | Minor | UNNAMED TRIBUTARY |
| POTRANCO WEST II UNIT 2 & 3 | TXR1520OH | SAN ANTONIO | TX | Construction stormwater | Minor | TRIBUTARY OF KEMPF CREEK |
| TOPSOIL FM 471 | TXR05GS99 | LA COSTE | TX | Industrial stormwater | Minor | Flat Creek-Medina River |
| TOPSOIL FM 471 | TXR1540UB | LA COSTE | TX | Construction stormwater | Minor | MEDINA RIVER |
| TXDOT SAT CSJ 0915-00-306 | TXR1599YO | CASTROVILLE | TX | Construction stormwater | Minor | NASH CREEK |
| TXDOT SAT CSJ 0915-00-306 | TXR1540YO | CASTROVILLE | TX | Construction stormwater | Minor | NASH CREEK |