CLASSIFIED STREAM SEGMENTS AND ASSESSMENTS UNITS COVERED BY HB 4146 SEG ID River Basin Description Met criteria 0216 Red Wichita River Below Lake Kemp Dam 96.43% 0222 Red Salt Fork Red River 95.24% 0224 Red North Fork Red River 90.91% 1250 Brazos South Fork San Gabriel River 93.75% 1251 Brazos North Fork San Gabriel River 93.55% 1257 Brazos Brazos River Below Lake Whitney 90.63% 1415 Colorado Llano River 94.39% 1424 Colorado Middle Concho/South Concho River 95.24% 1427 Colorado Onion Creek 93.43% 1430 Colorado Barton Creek 98.25% 1806 Guadalupe Guadalupe River Above Canyon Lake 96.37% 1809 Guadalupe Lower Blanco River 95.83% 1811 Guadalupe Comal River 98.90% 1812 Guadalupe Guadalupe River Below Canyon Dam 96.98% 1813 Guadalupe Upper Blanco River 95.45% 1815 Guadalupe Cypress Creek 99.19% 1816 Guadalupe Johnson Creek 97.30% AU ID River Basin Description Met criteria 1817 Guadalupe North Fork Guadalupe River 100.00% 1414_01 Colorado Pedernales River 93.10% 1818 Guadalupe South Fork Guadalupe River 97.30% 1414_03 Colorado Pedernales River 91.38% 1905 San Antonio Medina River Above Medina Lake 100.00% 1416_05 Colorado San Saba River 100.00% 2111 Nueces Upper Sabinal River 100.00% Colorado River Below Lady Bird Lake 2112 Nueces Upper Nueces River 95.96% 1428_03 Colorado (formally Town Lake) 91.67% 2113 Nueces Upper Frio River 100.00% Medina River Below Medina 1903_04 San Antonio Diversion Lake 90.00% 2114 Nueces Hondo Creek 93.48% Medina River Below Medina 2115 Nueces Seco Creek 95.65% 1903_05 San Antonio Diversion Lake 96.84% 2309 Rio Grande Devils River 96.67% 1908_02 San Antonio Upper Cibolo Creek 97.67% 2310 Rio Grande Lower Pecos River 93.88% 2304_10 Rio Grande Rio Grande Below Amistad Reservoir 95.95% 2313 Rio Grande San Felipe Creek 95.45% 2311_01 Rio Grande Upper Pecos River 92.86% A detailed map of covered segments and assessment units can be found on the TCEQ website https://www.tceq.texas.gov/gis/nonpoint-source-project-viewer . Click on viewer, and query the Segment ID or Assessment Unit ID in search bar. .