Select the location:
- Barron Lake (reservoir(s))
- Bear Creek (populated place)
- Big Dam Lake (reservoir(s))
- Blanco River (stream)
- Boy Scout Lake (reservoir(s))
- Buda (populated place)
- Bunton Branch (stream)
- Cadell Branch (stream)
- Cambrian Creek (stream)
- Cardium Creek (stream)
- Cedar Fork (stream)
- Clear Lake (reservoir(s))
- Cottonwood Branch (stream)
- Cottonwood Branch (stream)
- Cottonwood Creek (stream)
- Cypress Creek (stream)
- Dead Mans Hole (lake)
- Driftwood (populated place)
- Dripping Springs (populated place)
- Dutch Branch (stream)
- Halifax Creek (stream)
- Hays (populated place)
- Hays City (city)
- Hays County Park Lake (reservoir(s))
- Henly (city)
- Henly Branch (stream)
- Hunter (city)
- Lake Number 1 (reservoir(s))
- Little Barton Creek (stream)
- Little Blanco River (stream)
- Lone Man Creek (stream)
- M D Heatly Reservoir (reservoir(s))
- Millseat Branch (stream)
- Mountain City (populated place)
- Mustang Branch (stream)
- Mustang Branch (stream)
- Pier Branch (stream)
- Pierce Creek (stream)
- Pierce Lake (reservoir(s))
- Pinoak Creek (stream)
- Porter Creek (stream)
- Purgatory Creek (stream)
- Purola Lake (reservoir(s))
- Ranches at Hamilton Pool (city)
- Rattlesnake Lake (reservoir(s))
- Reeves Lake (reservoir(s))
- Rocky Branch (stream)
- Roy Branch (stream)
- Roy Creek (stream)
- San Marcos (city)
- Scrutchin Lake (reservoir(s))
- Seven H Ranch Lake (reservoir(s))
- Sink Creek (stream)
- Smith Creek (stream)
- Soil Conservation Service Site 1 Reservoir (reservoir(s))
- Soil Conservation Service Site 10 Reservoir (reservoir(s))
- Soil Conservation Service Site 12 Reservoir (reservoir(s))
- Soil Conservation Service Site 13 Reservoir (reservoir(s))
- Soil Conservation Service Site 16 Reservoir (reservoir(s))
- Soil Conservation Service Site 2 Reservoir (reservoir(s))
- Soil Conservation Service Site 3 Reservoir (reservoir(s))
- Soil Conservation Service Site 4 Reservoir (reservoir(s))
- Soil Conservation Service Site 5 Reservoir (reservoir(s))
- Soil Conservation Service Site 5 Reservoir (reservoir(s))
- Soil Conservation Service Site 6 Reservoir (reservoir(s))
- Soil Conservation Service Site 7 Reservoir (reservoir(s))
- South Onion Creek (stream)
- South Ridge Estates Lake (reservoir(s))
- Spoke Pile Creek (stream)
- Spring Lake (reservoir(s))
- Stagecoach Ranch (city)
- Sycamore Creek (stream)