Ecologically Significant River and Stream Segments - Region H
Table 1. Streams that meet the biological function criteria.
Table 2. Streams that meet the hydrologic function criteria.
Table 3. Streams that meet the riparian conservation area criteria.
Table 4. Streams that meet the high water quality/exceptional aquatic life/high aesthetic value criteria.
Table 5. Streams that meet the threatened or endangered species/unique community criteria.
Table 6. Ecologically significant river and stream segments.
Table 1. Streams that meet the biological function criteria (31 TAC §357.8 (b) (1)).
| River or Stream Segment | County | Significance |
| Armand Bayou | Harris | Significant riparian zone and associated marshes |
| Austin Bayou | Brazoria | Coastal stream fringed with native prairie and woodlands |
| Bastrop Bayou | Brazoria | Extensive freshwater wetland habitat |
| Big Creek | San Jacinto | High biodiversity |
| Caney Creek | Walker | Bottomland forest and high biodiversity |
| Montgomery | ||
| Carpenters Bayou | Harris | Valuable cypress swamps and extensive fringe wetlands |
| Cedar Lake Creek | Brazoria | Undredged bayou with extensive forest and wetlands on border |
| Chocolate Bayou | Brazoria | Bottomland hardwood forest and associated wetlands |
| Clear Creek | Waller | High biodiversity |
| Cocklebur Slough | Brazoria | Extensive hardwood swamps and wetlands |
| Cypress Creek | Harris | High biodiversity |
| East Fork San Jacinto River | Walker | High biodiversity |
| East Sandy Creek | Walker | High biodiversity |
| Halls Bayou | Brazoria | Fringed by extensive wetlands |
| Harmon Creek | Walker | Bottomland forest |
| Jones Creek | Brazoria | Bottomland forest and associated marshes |
| Lake Creek | Montgomery | High biodiversity of macroinvertebrates and fish |
| Luce Bayou | Harris | High biodiversity of fish and macroinvertebrates |
| Menard Creek | Polk | Bottomland hardwood forest |
| Liberty | ||
| Mill Creek | Austin | High biodiversity of fish |
| Nelson Creek | Walker | Bottomland hardwood forest |
| Old River | Chambers | Valuable cypress swamp habitat and extensive fringe wetlands |
| Oyster Creek | Brazoria | Bottomland forest with associated wetlands and high biodiversity of fish |
| San Bernard River | Brazoria | High biodiversity |
| Trinity River | Chambers | Extensive freshwater wetland habitat and Liberty bottomland hardwood forest |
| Upper Keechi Creek | Leon | High biodiversity |
| Walnut Creek | Montgomery | High biodiversity of fish and macroinvertebrates and excellent habitat |
| West Fork San Jacinto River | Montgomery | High biodiversity of fish |
| Winters Bayou | Walker | High biodiversity |
Table 2. Streams that meet the hydrologic function criteria (31 TAC §357.8 (b) (2)).
| River or Stream Segment | County | Significance |
| Armand Bayou | Harris | Flood attenuation |
| Bastrop Bayou | Brazoria | Water quality |
| Big Creek | Fort Bend | Water quality |
| Brazos River | Austin/Waller | Groundwater recharge (Chicot) |
| Austin/Waller/Brazoria | Water quality | |
| Flood attenuation | ||
| Caney Creek | Montgomery/Walker | Groundwater recharge (Chicot) |
| Water quality | ||
| Carpenters Bayou | Harris | Flood attenuation |
| Water quality | ||
| Cedar Lake Creek | Brazoria | Flood attenuation |
| Water quality | ||
| Clear Creek | Waller | Flood attenuation |
| Water quality | ||
| Cocklebur Slough | Brazoria | Provides high quality freshwater to San Bernard National Wildlife Refuge |
| Cypress Creek | Harris | Groundwater recharge (Chicot) |
| East Fork San Jacinto River | San Jacinto | Groundwater recharge (Chicot) |
| San Jacinto/Liberty | Water quality | |
| East Sandy Creek | Walker | Water quality |
| Halls Bayou | Brazoria | Water quality |
| Harmon Creek | Walker | Flood attenuation |
| Water quality | ||
| Jones Creek | Brazoria | Water quality |
| Lake Creek | Montgomery | Flood attenuation |
| Water quality | ||
| Luce Bayou | Liberty/Harris | Water quality |
| Flood attenuation | ||
| Menard Creek | San Jacinto | Groundwater recharge (Chicot) |
| Water quality | ||
| Mill Creek | Austin | Groundwater recharge (Chicot) |
| Water quality | ||
| Nelson Creek | Walker | Water quality |
| Old River | Chambers | Flood attenuation |
| Water quality | ||
| Peach Creek | Montgomery | Groundwater recharge (Chicot) |
| San Bernard River | Brazoria | Flood attenuation |
| Water quality | ||
| Trinity River | Walker | Groundwater recharge (Chicot) |
| Chambers/Liberty | Flood attenuation | |
| Water quality | ||
| Upper Keechi Creek | Leon | Water quality |
| West Fork San Jacinto River | Montgomery | Groundwater recharge (Chicot) |
| Winters Bayou | Walker/San Jacinto | Flood attenuation |
| Water quality |
Table 3. Streams that meet the riparian conservation area criteria (31TAC§357.8(b)(3)).
| River or Stream Segment | County | Conservation Area |
| Alabama Creek | Trinity | Davy Crockett National Forest |
| Armand Bayou | Harris | Armand Bayou Coastal Preserve |
| Great Texas Coastal Birding Trail | ||
| Austin Bayou | Brazoria | Brazoria National Wildlife Refuge |
| Great Texas Coastal Birding Trail | ||
| Bastrop Bayou | Brazoria | Brazoria National Wildlife Refuge |
| Great Texas Coastal Birding Trail | ||
| Big Creek | Fort Bend | Brazos Bend State Park |
| Great Texas Coastal Birding Trail | ||
| Big Creek | San Jacinto | Sam Houston National Forest |
| Big Creek Scenic Area | ||
| Great Texas Coastal Birding Trail | ||
| Big Slough | Brazoria | Brazoria National Wildlife Refuge |
| Boggy Creek | Montgomery | Sam Houston National Forest |
| Boswell Creek | Walker | Sam Houston National Forest |
| Branch Creek | Montgomery | Sam Houston National Forest |
| Brandy Creek | Walker | Sam Houston National Forest |
| Brazos River | Brazoria | Brazos Bend State Park |
| Great Texas Coastal Birding Trail | ||
| Brazos River | Austin | Stephen F. Austin State Park |
| Buffalo Bayou | Harris | San Jacinto State Historical Park |
| Bullinger Creek | Austin | Stephen F. Austin State Park |
| Caney Creek | Montgomery | Sam Houston National Forest |
| Harris | Lake Houston State Park | |
| Carpenters Bayou | Harris | Sheldon Lake State Park |
| Cedar Lake Creek | Brazoria | San Bernard National Wildlife Refuge |
| Great Texas Coastal Birding Trail | ||
| Cobb Creek | Walker | Sam Houston National Forest |
| Cocklebur Slough | Brazoria | San Bernard National Wildlife Refuge |
| Coushatta Creek | Austin | Attwater Prairie Chicken National Wildlife Refuge |
| Double Lake Branch | San Jacinto | Sam Houston National Forest |
| Dobbins Creek | San Jacinto | Sam Houston National Forest |
| Duck Creek | Montgomery | Sam Houston National Forest |
| East Bay Bayou | Chambers | Anahuac National Wildlife Refuge |
| East Fork San Jacinto River | Walker | Sam Houston National Forest |
| San Jacinto | Sam Houston National Forest | |
| Harris | Lake Houston State Park | |
| East Sandy Creek | Walker | Sam Houston National Forest |
| Gourd Creek | Walker | Sam Houston National Forest |
| Gum Branch | Walker | Sam Houston National Forest |
| Harmon Creek | Walker | Sam Houston National Forest |
| Huffman Creek | San Jacinto | Sam Houston National Forest |
| Jayhawker Creek | Montgomery | Sam Houston National Forest |
| Jones Creek | Brazoria | Peach Point Wildlife Mgmt Area |
| Great Texas Coastal Birding Trail | ||
| Lawrence Creek | Montgomery | Sam Houston National Forest |
| Little Lake Creek | Montgomery | Sam Houston National Forest |
| Maple Branch | Walker | Sam Houston National Forest |
| Mays Creek | Walker | Sam Houston National Forest |
| McCombs Creek | San Jacinto | Sam Houston National Forest |
| McRae Creek | Montgomery | San Houston National Forest |
| Menard Creek | Polk | Big Thicket National Preserve |
| Miller Creek | San Jacinto | Sam Houston National Forest |
| Nebletts Creek | Montgomery | Sam Houston National Forest |
| Old River | Chambers | Wallisville Lake Project (COE) |
| Onion Bayou | Chambers | Anahuac National Wildlife Refuge |
| Oyster Bayou | Chambers | Anahuac National Wildlife Refuge |
| Great Texas Coastal Birding Trail | ||
| Pea Creek | San Jacinto | Sam Houston National Forest |
| Peach Creek | Montgomery | Sam Houston National Forest |
| Persimmon Creek | Walker | Sam Houston National Forest |
| Piney Creek | Trinity | Davy Crockett National Forest |
| Plum Creek | Walker | Sam Houston National Forest |
| Redfish Bayou | Brazoria | Justin Hurst Wildlife Mgmt Area |
| Great Texas Coastal Birding Trail | ||
| Rhodes Creek | Walker | Sam Houston National Forest |
| Sandy Creek | Trinity | Davy Crockett National Forest |
| San Bernard River | Brazoria | San Bernard National Wildlife Refuge |
| Shepherd Creek | Walker | Sam Houston National Forest |
| Smith Branch | Walker | Sam Houston National Forest |
| Spring Creek | Walker | Sam Houston National Forest |
| Tarkington Bayou | San Jacinto | Sam Houston National Forest |
| Trinity River | Chambers | Wallisville Lake Project (COE) |
| Trinity River | Liberty | Trinity River National Wildlife Refuge |
| Davis Hill State Park | ||
| Turkey Creek | Montgomery | Sam Houston National Forest |
| Upper Keechi Creek | Leon | Keechi Creek Wildlife Mgmt Area |
| West San Jacinto River | Montgomery | Sam Houston National Forest |
| West Sandy Creek | Walker | Sam Houston National Forest |
| Winters Bayou | San Jacinto | Sam Houston National Forest |
Table 4. Streams that meet the high water quality/exceptional aquatic life/high aesthetic value criteria (31 TAC §357.8 (b) (4)).
| River or Stream Segment | County | Significance |
| Armand Bayou | Harris | High aesthetic value |
| Big Creek | Fort Bend | Ecoregion Reference stream; High dissolved oxygen; Benthic macroinvertebrates |
| Big Creek | San Jacinto | High aesthetic value |
| Clear Creek | Waller | High aesthetic value |
| East Fork San Jacinto River | Walker | Ecoregion Reference Stream; High dissolved oxygen; Benthic macroinvertebrates; Fish |
| Harmon Creek | Walker | High aesthetic value |
| Lake Creek | Montgomery | Ecoregion Reference Stream; High dissolved oxygen; Benthic macroinvertebrates; High aesthetic value |
| Mill Creek | Austin | Ecoregion Reference Stream; High dissolved oxygen; Benthic macroinvertebrates |
| Nelson Creek | Walker | High water quality and diversity of aquatic life |
| Old River | Chambers | High aesthetic value |
| Liberty | ||
| Wheelock Creek | Leon | Ecoregion Reference Stream; Benthic macroinvertebrates |
| Winters Bayou | Walker | High quality spring water influence |
Table 5. Streams that meet the threatened or endangered species/unique community criteria (31 TAC §357.8 (b) (5)).
| River or Stream Segment | County | Significance |
| Austin Bayou | Brazoria | Wood stork, reddish egret, white-faced ibis |
| Bastrop Bayou | Brazoria | Wood stork, reddish egret, white-faced ibis |
| Big Creek | San Jacinto | Red-cockaded woodpecker |
| Brazos River | Brazoria | Unique Community- Live oak, Water oak Fort Bend and Pecan bottomlands; Diamondback terrapin |
| Austin | ||
| Cedar Lake Creek | Brazoria | Reddish egret, Wood stork, Brown pelican and White-faced ibis |
| Cocklebur Slough | Brazoria | Reddish egret, Wood stork, Brown pelican and White-faced ibis |
| Halls Bayou | Brazoria | Contains some of the last submerged aquatic vegetation in the Galveston Bay system |
| Lake Creek | Montgomery | Unique, mature bottomland hardwood forest community containing significant riparian habitat (Goodson Pocket) |
| Menard Creek | Polk | High diversity of freshwater mussels |
| Mill Creek | Austin | Rare gammagrass-switchgrass bottomland tallgrass prairie |
| San Bernard River | Brazoria | Unique Community- Live oak, Water oak and Pecan bottomlands; Diamondback terrapin |
| Trinity River | Walker | One of the two largest populations of rare, Trinity endemic Texas heelsplitter remaining |
| Leon | ||
| Trinity River | Chambers | Woodstork, Alligator snapping turtle |
| Liberty |
Table 6. Ecologically significant river and stream segments
Note: More than one "x" in a criteria column indicates that the river or stream segment satisfies that particular criteria in more than one way. For example, Armand Bayou is a State Coastal Preserve and is also a part of the Great Texas Coastal Birding Trail.