USGS Open-File Report 02-068

Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers

Table 1. Characteristics of flow gain-loss studies in Texas 
[mi, miles; ft3/s, cubic feet per second; ft3/s-mi, cubic feet per second per mile; Cr, Creek; USGS, U.S. Geological Survey; --, not applicable; R, River; TBWE, Texas Board of Water Engineers; Fk, Fork; ft, feet; PCWID, Pecos County Water Improvement District; IBWC, International Boundary and Water Commission; RCWID, Reeves County Water Improvement District] 
Note: Eight digit streamflow-gaging stations used to identify some reaches 
										Gain	
Streamflow	Major 	Stream	Reach	Date	Reach	Total no. of	No. of 		Total gain	or loss	Reference 
study	river	name	identification	of 	length	measurement	measurement	Major aquifer outcrop(s)	or loss (-)	per mile	for
no.	basin			study	(river	sites	sites on main	intersected by reach	in reach	of reach	data
					mi)		channel		(ft3/s)	(ft3/s-mi)
1	Brazos	Berry Cr	Briggs to mouth (northeast of Georgetown)	4/21-24/1978	30.1	17	11	Edwards	2.25	0.075	USGS (1980)
2	Brazos	Berry Cr	Briggs to mouth (northeast of Georgetown)	8/15/1978	30.1	17	11	Edwards	-0.21	-0.007	USGS (1980)
3	Brazos	Berry Cr	Briggs to mouth (northeast of Georgetown)	2/15/1979	30.1	17	11	Edwards	31.29	1.04	USGS (1980)
4	Brazos	Berry Cr	Briggs to mouth (northeast of Georgetown)	8/14-15/1979	30.1	17	11	Edwards	21.75	0.723	USGS (1980)
5	Brazos	Brushy Cr	northwest of Leander to 4 mi east of Round Rock	4/17-18/1978	20.8	21	8	Edwards	6.05	0.291	USGS (1980)
6	Brazos	Brushy Cr	northwest of Leander to 4 mi east of Round Rock	8/17-18/1978	20.8	21	8	Edwards	0.07	0.003	USGS (1980)
7	Brazos	Brushy Cr	northwest of Leander to 4 mi east of Round Rock	2/13-14/1979	20.8	21	8	Edwards	48.05	2.31	USGS (1980)
8	Brazos	Brushy Cr	northwest of Leander to 4 mi east of Round Rock	8/13-14/1979	20.8	21	8	Edwards	6.57	0.316	USGS (1980)
9	Brazos	Hubbard Cr	county road 2.5 mi north of Sedwick to Breckenridge (08086500)	1/25-26/1962	24.1	14	5	--	-3.18	-0.132	USGS (1963)
10	Brazos	Lampasas R	northeast of Lampasas to mouth	6/3-6/1963	79.8	22	12	Edwards, Trinity	-5.5	-0.069	USGS (1964)
11	Brazos	Lampasas R	Stillhouse Hollow Dam site to confluence with Little R	1/16/1968	15.7	6	4	Edwards	15.88	1.011	USGS (1969)
12	Brazos	Leon R	Belton Dam to Little River	1/16-17/1968	9	11	4	--	2.48	0.276	USGS (1969)
13	Brazos	Leon R	southeast of Eastland to near Hasse	3/13-14/1951	45.5	18	11	Trinity	0.26	0.006	TBWE (1960)
14	Brazos	North Fk San Gabriel R	above US 183 to Country Club Rd at Georgetown	4/26-27/1978	17	15	8	Edwards, Trinity	3.65	0.215	USGS (1980)
15	Brazos	North Fk San Gabriel R	above US 183 to Country Club Rd at Georgetown	8/16-26/1978	17	15	8	Edwards, Trinity	0.07	0.004	USGS (1980)
16	Brazos	North Fk San Gabriel R	above US 183 to Country Club Rd at Georgetown	2/13-15/1979	17	15	8	Edwards, Trinity	33.74	1.985	USGS (1980)
17	Brazos	North Fk San Gabriel R	above US 183 to Country Club Rd at Georgetown	8/13-15/1979	17	15	8	Edwards, Trinity	9.4	0.553	USGS (1980)
18	Brazos	North Fk San Gabriel R	north of Leander to mouth	3/16-18/1964	14.4	13	6	Edwards, Trinity	1.98	0.138	USGS (1965)
19	Brazos	Salado Cr	northwest of Florence to Salado	4/24/1978	26.2	12	7	Edwards	15.29	0.584	USGS (1980)
20	Brazos	Salado Cr	northwest of Florence to Salado	8/14/1978	26.2	12	7	Edwards	8.96	0.342	USGS (1980)
21	Brazos	Salado Cr	northwest of Florence to Salado	2/16/1979	26.2	12	7	Edwards	63.0	2.405	USGS (1980)
22	Brazos	Salado Cr	northwest of Florence to Salado	8/15/1979	26.2	12	7	Edwards	49.09	1.874	USGS (1980)
23	Brazos	Salt Prong Hubbard Cr	8.3 mi above mouth to 0.5 mi above mouth	1/25/1962	7.8	3	3	--	0.84	0.108	USGS (1963)
24	Brazos	San Gabriel R	Georgetown (08105000) to mouth	3/17-18/1964	49	25	11	--	10.54	0.215	USGS (1965)
25	Brazos	South Fk San Gabriel R	US 183 to SH 29 at Georgetown	3/16/1964	12.8	6	4	Edwards	1.38	0.108	USGS (1965)
26	Brazos	South Fk San Gabriel R	near Bertram to Georgetown	4/19-21/1978	29.7	21	13	Edwards, Trinity	5.09	0.171	USGS (1980)
27	Brazos	South Fk San Gabriel R	near Bertram to Georgetown	8/17/1978	29.7	21	13	Edwards, Trinity	0.01	0.0	USGS (1980)
28	Brazos	South Fk San Gabriel R	near Bertram to Georgetown	2/13-15/1979	29.7	21	13	Edwards, Trinity	33.22	1.119	USGS (1980)
29	Brazos	South Fk San Gabriel R	near Bertram to Georgetown	8/13-15/1979	29.7	21	14	Edwards, Trinity	8.59	0.289	USGS (1980)
30	Brazos	Sulphur Cr	Lampasas to 1.5 mi downstream from Burleson Cr	6/30/1942	3.67	9	6	Trinity	15.2	4.142	TBWE (1960)
31	Brazos	Sulphur Cr	Lampasas to 1.5 mi downstream from Burleson Cr	8/10/1942	3.67	9	6	Trinity	11.7	3.188	TBWE (1960)
32	Colorado	Barton Cr	Loop 360 (08155300) to above Barton Springs	2/9/1981	3.5	5	5	Edwards	-17.0	-4.857	Slade and others (1982)
33	Colorado	Barton Cr	Loop 360 (08155300) to above Barton Springs	4/28/1981	3.5	5	5	Edwards	-5.43	-1.551	Slade and others (1982)
34	Colorado	Barton Cr	northeast of Henly to Barton Springs	7/6-8/1970	49.5	27	24	Edwards, Trinity	99.07	2.001	USGS (1972)
35	Colorado	Barton Cr	northeast of Henly to Barton Springs	10/1-3/1970	49.5	27	24	Edwards, Trinity	82.44	1.665	USGS (1972)
36	Colorado	Barton Cr	SH 71 (08155200) to Barton Springs (08155500)	5/29/1980	21	17	16	Edwards, Trinity	11.02	0.525	Slade and others (1982)
37	Colorado	Beals Cr	FM 87 to 0.5 mi above mouth	2/24/1986	58.7	9	8	Ogallala	-0.04	-0.001	unpublished
38	Colorado	Beals Cr	FM 87 to 0.5 mi above mouth	12/9-10/1986	58.7	9	8	Ogallala	2.85	0.049	unpublished
39	Colorado	Beals Cr	US 87 to 0.5 mi above mouth	2/27-3/1/1989	58.7	8	7	Ogallala	3.88	0.066	unpublished
40	Colorado	Bear Cr	southeast of FM 1826 (08158810) to above MoPac RR	5/23/1980	10.1	10	8	Edwards, Trinity	-3.8	-0.376	Slade and others (1982)
41	Colorado	Brady Cr	Brady to mouth	3/29/1918	28	3	3	--	1.7	0.061	TBWE (1960)
42	Colorado	Colorado R	below Lake J.B. Thomas dam to FM 503 (08136700)	2/24-26/1986	239.1	60	28	--	1.89	0.008	unpublished
43	Colorado	Colorado R	below Lake J.B. Thomas dam to FM 503 (08136700)	1/6-9/1987	239.1	60	28	--	-23.64	-0.099	unpublished
44	Colorado	Colorado R	below Lake J.B. Thomas dam to FM 503 (08136700)	2/27-3/1/1989	239.1	60	28	--	-5.41	-0.023	unpublished
45	Colorado	Colorado R	Bull Cr to Colorado City (08121000)	2/14/1975	35.5	19	12	--	7.98	0.225	USGS (1976)
46	Colorado	Colorado R	Bull Cr to Colorado City (08121000)	11/13/1975	35.5	19	12	--	4.96	0.14	USGS (1977)
47	Colorado	Colorado R	Bull Cr to Colorado City (08121000)	1/20/1976	35.5	19	12	--	-2.24	-0.063	USGS (1977)
48	Colorado	Colorado R	Bull Cr to Colorado City (08121000)	3/2/1976	35.5	19	12	--	-2.25	-0.063	USGS (1977)
49	Colorado	Colorado R	Austin (08158000) to near Bay City (08162500)	8/19-21/1985	257.6	19	12	Carrizo-Wilcox, Gulf Coast	-1,634.24	-6.344	USGS (1986)
50	Colorado	Colorado R	near Silver (08123900) to Robert Lee (08124000)	12/14/1966	34.7	4	4	--	-2.97	-0.086	USGS (1968)
51	Colorado	Colorado R	near Silver (08123900) to Robert Lee (08124000)	3/21/1967	34.7	10	10	--	-2.69	-0.078	USGS (1968)
52	Colorado	Colorado R	near Vincent (08118000) to near Silver (08123900)	4/8/1968	103.2	32	22	--	-0.28	-0.003	USGS (1969)
53	Colorado	Colorado R	Robert Lee to Barton Springs (08155500)	4/7-24/1925	365	106	37	Edwards, Trinity	96.53	0.264	TBWE (1960)
54	Colorado	Colorado R	Robert Lee to mouth	8/7-14/1918	593	117	43	Carrizo-Wilcox, Edwards, Gulf Coast, Trinity	340.6	0.574	TBWE (1960)
55	Colorado	Concho R	confluence of North and South Concho (08136000) to FM 1929	2/25-26/1986	54.7	10	6	--	7.25	0.133	unpublished
56	Colorado	Concho R	confluence of North and South Concho (08136000) to FM 1929	1/6-7/1987	54.7	10	6	--	36.23	0.662	unpublished
57	Colorado	Concho R	confluence of North and South Concho (08136000) to FM 1929	2/28-3/1/1989	54.7	10	6	--	37.8	0.691	unpublished
58	Colorado	Concho R	confluence of North and South Concho to mouth	3/27-28/1918	51.5	14	7	--	4.6	0.089	TBWE (1960)
59	Colorado	Concho R	confluence of North and South Concho to mouth	3/17-20/1925	54.5	28	12	--	6.6	0.121	TBWE (1960)
60	Colorado	Dove Cr	9 mi above Knickerbocker to mouth	3/4-5/1925	11.8	8	5	Edwards-Trinity (Plateau)	15.7	1.331	TBWE (1960)
61	Colorado	Elm Cr	FM 1770 to north of Ballinger (08127000)	2/26/1986	18.4	9	7	--	-0.53	-0.029	unpublished
62	Colorado	Elm Cr	FM 1770 to north of Ballinger (08127000)	1/7/1987	18.4	9	7	--	12.7	0.69	unpublished
63	Colorado	Elm Cr	FM 1770 to north of Ballinger (08127000)	3/1/1989	18.4	9	7	--	0.68	0.037	unpublished
64	Colorado	Johnson Fk Llano R	headwater springs to mouth	2/6-15/1925	16.8	9	8	Edwards-Trinity (Plateau)	8.9	0.53	TBWE (1960)
65	Colorado	Llano R	confluence of North and South Llano to Llano (08151500)	1/17-24/1962	83.5	56	20	Edwards-Trinity (Plateau)	7.84	0.094	USGS (1963)
66	Colorado	Llano R	Junction gaging station to Llano (08151500)	9/3-4/1952	79	12	10	Edwards-Trinity (Plateau)	-18.83	-0.238	TBWE (1960)
67	Colorado	Llano R	Junction to mouth	3/31-4/3/1918	106	26	13	Edwards-Trinity (Plateau)	22.3	0.21	TBWE (1960)
68	Colorado	Llano R	confluence of North and South Llano to mouth	2/14-21/1925	105	23	17	Edwards-Trinity (Plateau)	5.7	0.054	TBWE (1960)
69	Colorado	Middle Concho R	Kiowa Cr to mouth	3/10-11/1925	47.7	14	13	--	-0.8	-0.017	TBWE (1960)
70	Colorado	Middle Concho R	San Angelo-Mertzon Rd to mouth	3/27-28/1918	22	2	2	--	3.9	0.177	TBWE (1960)
71	Colorado	North Concho R	13 mi above Sterling City to confluence with South Concho R	5/25-26/1918	78	40	29	--	5.1	0.065	TBWE (1960)
72	Colorado	North Concho R	above Sterling City to confluence with South Concho R	2/28-3/17/1925	55.3	13	12	--	2.3	0.042	TBWE (1960)
73	Colorado	North Concho R	Sterling City to confluence with South Concho R	3/27/1918	48	9	7	--	-1.1	-0.023	TBWE (1960)
74	Colorado	North Llano R	10 mi above Roosevelt to Junction	2/7-14/1925	31.8	14	10	Edwards-Trinity (Plateau)	6.9	0.217	TBWE (1960)
75	Colorado	Onion Cr	FM 12 to mouth	4/23-24/1958	59.2	21	9	Edwards, Trinity	-24.9	-0.421	TBWE (1960)
76	Colorado	Onion Cr	FM 150 (08158700) to US 183 (08159000)	5/28/1980	35.4	19	14	Edwards, Trinity	-82.7	-2.336	Slade and others (1982)
77	Colorado	Pedernales R	below Harper to near Johnson City (08153500)	1/9-17/1956	70	69	39	Edwards-Trinity (Plateau), Trinity	4.76	0.068	TBWE (1960)
78	Colorado	Pedernales R	Harper to Hamilton Pool	4/3-4/1962	18	12	8	Edwards-Trinity (Plateau), Trinity	0.46	0.026	USGS (1963)
79	Colorado	Pedernales R	Harper to Hamilton Pool	5/15-21/1962	88.7	43	23	Trinity	12.31	0.139	USGS (1963)
80	Colorado	San Saba R	above Fort McKavett to Brady Cr	7/27-29/1933	80.1	32	18	Edwards-Trinity (Plateau)	7.7	0.096	TBWE (1960)
81	Colorado	San Saba R	below Fort McKavett to Menard (08144500)	2/20-21/1940	20.9	13	6	Edwards-Trinity (Plateau)	4.0	0.191	TBWE (1960)
82	Colorado	San Saba R	near Dorans Ranch to San Saba (08146000)	11/17-18/1921	14	6	2	--	-0.9	-0.064	TBWE (1960)
83	Colorado	San Saba R	near Fort McKavett to mouth	3/29-31/1918	105	29	11	Edwards-Trinity (Plateau)	-2.5	-0.024	TBWE (1960)
84	Colorado	Slaughter Cr	Bear Cr below FM 1826 (08158810) to FM 2304 (08158860)	3/5/1981	7.4	6	6	Edwards, Trinity	-54.7	-7.392	Slade and others (1982)
85	Colorado	Slaughter Cr	FM 1826 (08158840) to downstream from Chappell Ln	5/22/1980	8.8	11	10	Edwards, Trinity	-10.45	-1.188	Slade and others (1982)
86	Colorado	South Concho R	above Christoval to mouth	3/12-16/1925	24.8	12	5	Edwards-Trinity (Plateau)	19.6	0.79	TBWE (1960)
87	Colorado	South Concho R	above Middle Concho to 3.5 mi below Middle Concho	4/27/1918	1	3	2	--	2.2	2.2	TBWE (1960)
88	Colorado	South Concho R	Christoval to confluence with North Concho R	3/27-28/1918	19.8	13	7	Edwards-Trinity (Plateau)	13.3	0.672	TBWE (1960)
89	Colorado	South Concho R	south of Christoval to above Lake Nasworthy	6/18/1953	12	6	5	Edwards-Trinity (Plateau)	-4.64	-0.387	TBWE (1960)
90	Colorado	South Llano R	above Telegraph to confluence with North Llano R	4/1/1918	18.5	5	2	Edwards-Trinity (Plateau)	2.3	0.124	TBWE (1960)
91	Colorado	South Llano R	below confluence of West and South Fk to mouth	2/10-14/1925	25.9	12	9	Edwards-Trinity (Plateau)	26.7	1.031	TBWE (1960)
92	Colorado	Spring Cr	above Mertzon to mouth	3/6-11/1925	26.5	17	12	Edwards-Trinity (Plateau)	25.6	0.966	TBWE (1960)
93	Colorado	Spring Cr	above Seven Springs to mouth	3/27/1918	27	15	10	Edwards-Trinity (Plateau)	10.5	0.389	TBWE (1960)
94	Colorado	Williamson Cr	east of the "Y" (US 290/SH 71) in Oak Hill (08158920) to FM 2304 (08158930)	3/5/1981	5.4	6	5	--	-12.23	-2.265	Slade and others (1982)
95	Colorado	Williamson Cr	Old Oak Hill-Bee Cave Rd to Jimmy Clay Rd (08158970)	5/20/1980	13.5	16	14	Edwards, Trinity	-4.88	-0.361	Slade and others (1982)
96	Colorado	Wolf Cr	12.1 mi above mouth to mouth	1/16/1956	12.1	10	5	Trinity	1.9	0.157	TBWE (1960)
97	Guadalupe	Blanco R	10 mi upstream of Wimberley to northeast of San Marcos	3/15-16/1955	33.3	7	6	Edwards, Trinity	-10.3	-0.309	TBWE (1960)
98	Guadalupe	Blanco R	9 mi below Blanco to Wimberley (08171000)	2/25-3/4/1963	27.1	28	20	Trinity	25.9	0.956	USGS (1964)
99	Guadalupe	Blanco R	above Halifax Cr to near Kyle	7/22/1924	4.2	3	3	Edwards	-13.1	-3.119	TBWE (1960)
100	Guadalupe	Blanco R	upstream from Little Blanco R to northeast of San Marcos	1/24-28/1955	49.6	33	30	Edwards, Trinity	-2.65	-0.053	TBWE (1960)
101	Guadalupe	Blanco R	Wimberley (08171000) to Kyle (08171300)	7/10-14/1957	16.2	8	7	Edwards, Trinity	-13.9	-0.858	TBWE (1960)
102	Guadalupe	Blanco R	Wimberley to near Kyle	6/12/1924	19.4	3	3	Edwards, Trinity	14.0	0.722	TBWE (1960)
103	Guadalupe	Blanco R	Wimberley to near Kyle	7/15-16/1924	19.4	4	4	Edwards, Trinity	-12.8	-0.66	TBWE (1960)
104	Guadalupe	Cibolo Cr	Schertz to San Antonio R near Falls City (08183500)	9/12-13/1949	62	10	7	Carrizo-Wilcox	13.95	0.225	TBWE (1960)
105	Guadalupe	Cypress Cr	FM 1341 to mouth	3/25/1965	10	4	4	Trinity	3.35	0.335	USGS (1966)
106	Guadalupe	Guadalupe R	2.5 mi below Spring Branch (08167500) to below Cranes Mill spring	5/11/1955	16.5	6	3	Trinity	63.5	3.848	TBWE (1960)
107	Guadalupe	Guadalupe R	Canyon Dam to 3.6 mi downstream	4/9/1965	3.5	9	6	Trinity	-10.57	-3.02	USGS (1966)
108	Guadalupe	Guadalupe R	Canyon Dam to 3.6 mi downstream	4/16/1965	3.5	8	5	Trinity	0.3	0.086	USGS (1966)
109	Guadalupe	Guadalupe R	Canyon Dam to 3.6 mi downstream	4/22/1965	3.5	8	5	Trinity	2.81	0.803	USGS (1966)
110	Guadalupe	Guadalupe R	Comfort to New Braunfels	1/16-19/1928	108.7	25	13	Edwards, Trinity	13.2	0.121	TBWE (1960)
111	Guadalupe	Guadalupe R	Comfort to New Braunfels	2/18-22/1929	108.7	29	16	Edwards, Trinity	10.9	0.1	TBWE (1960)
112	Guadalupe	Guadalupe R	confluence of North and South Fk to Comfort (08167000)	3/16/1965	0.8	4	4	Trinity	22.2	27.75	USGS (1966)
113	Guadalupe	Guadalupe R	confluence of North and South Fk to Comfort (08167000)	3/24-25/1965	34	37	12	Trinity	47.42	1.395	USGS (1966)
114	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	1/24-31/1955	57	41	33	Edwards, Trinity	-43.7	-0.767	TBWE (1960)
115	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	2/28-3/2/1955	57	15	13	Edwards, Trinity	-1.0	-0.018	TBWE (1960)
116	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	3/14-15/1955	57	9	8	Edwards, Trinity	11.0	0.193	TBWE (1960)
117	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	3/29-30/1955	67.3	10	9	Edwards, Trinity	-1.4	-0.021	TBWE (1960)
118	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	4/12-13/1955	57	9	8	Edwards, Trinity	-0.3	-0.005	TBWE (1960)
119	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	4/26-27/1955	57	9	8	Edwards, Trinity	0.8	0.014	TBWE (1960)
120	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	5/9-10/1955	51.3	8	5	Edwards, Trinity	-499.04	-9.728	TBWE (1960)
121	Guadalupe	Guadalupe R	near Spring Branch to New Braunfels	3/7-8/1962	57	14	12	Edwards, Trinity	23.1	0.405	USGS (1963)
122	Guadalupe	Guadalupe R	near Spring Branch to Wunderlich Ranch	1/17/1955	15.1	7	6	Trinity	-39.4	-2.609	TBWE (1960)
123	Guadalupe	Johnson Cr	4.9 mi northwest of Mountain Home to near mouth	3/15-16/1965	19	16	6	Edwards-Trinity (Plateau), Trinity	9.33	0.491	USGS (1966)
124	Guadalupe	Medina Canal	head of canal (08180000) to first diversion lateral	8/15/1969	23.6	5	5	Edwards	-4.0	-0.169	USGS (1970)
125	Guadalupe	Medina R	5.8 mi above Medina to Turks Head Mountain in Medina Lake	9/6-7/1955	45.7	26	16	Trinity	-4.84	-0.106	TBWE (1960)
126	Guadalupe	Medina R	5 mi above Lima to 4 mi below Pipe Cr	6/3-5/1925	43.8	19	12	Trinity	2.2	0.05	TBWE (1960)
127	Guadalupe	Medina R	8.3 mi above Medina to 1.5 mi below Bandera-Medina Co line	1/3-7/1955	47.1	28	19	Trinity	-0.67	-0.014	TBWE (1960)
128	Guadalupe	Medina R	Bandera to Turks Head Mountain in Medina Lake	2/17-18/1955	20.4	12	7	Trinity	-4.62	-0.226	TBWE (1960)
129	Guadalupe	Medina R	Main Dam to near Riomedina	12/9/1924	10.9	5	5	Edwards, Trinity	6.6	0.606	TBWE (1960)
130	Guadalupe	Medina R	Medina Co Irrigation Co. diversion dam to Losoya	5/26-28/1925	55.1	19	14	Carrizo-Wilcox, Edwards	-3.2	-0.058	TBWE (1960)
131	Guadalupe	North Fk Guadalupe R	Kerr Wildlife Management Area to confluence with South Fk Guadalupe R	3/15-16/1965	20	18	10	Edwards-Trinity (Plateau), Trinity	15.32	0.766	USGS (1966)
132	Guadalupe	South Fk Guadalupe R	Lynxhaven resort to confluence with North Fk Guadalupe R	3/15-16/1965	12.2	15	9	Edwards-Trinity (Plateau), Trinity	11.86	0.972	USGS (1966)
133	Guadalupe	Turtle Cr	FM 1273 to FM 692	3/24-25/1965	9.2	4	3	Trinity	11.96	1.3	USGS (1966)
134	Guadalupe	Verde Cr	7.7 mi southwest of Center Point	3/25/1965	10.4	6	3	Trinity	6.93	0.666	USGS (1966)
135	Lavaca	Lavaca R	east of Hallettsville (08163500) to southeast of Edna	12/14-17/1970	65.4	18	14	Gulf Coast	18.23	0.279	USGS (1972)
136	Lavaca	Lavaca R	near Edna	11/4/1947	9.5	7	5	Gulf Coast	5.7	0.6	TBWE (1960)
137	Lavaca	Lavaca R	near Edna	8/5-6/1948	9.5	7	5	Gulf Coast	4.48	0.472	TBWE (1960)
138	Lavaca	Navidad R	east of Hallettsville (08164300) to SH 111 bridge	12/14-16/1970	64.4	18	12	Gulf Coast	11.1	0.172	USGS (1972)
139	Neches	West Fk Bowles Cr - [Bowles Cr]	west of Old London to near Carlisle	10/28/1942	6.5	11	6	Carrizo-Wilcox	3.0	0.462	TBWE (1960)
140	Nueces	Atascosa, Frio, and Nueces R	3 mi southwest of Poteet to near Mathis	1/23-26/1951	103.8	29	14	Gulf Coast	4.83	0.047	TBWE (1960)
141	Nueces	Atascosa, Frio, and Nueces R	Campbellton to near Mathis	4/19-21/1951	60.2	30	15	Gulf Coast	1.13	0.019	TBWE (1960)
142	Nueces	Atascosa, Frio, and Nueces R	Campbellton to near Mathis	4/27-5/1/1951	58.3	23	13	Gulf Coast	-0.22	-0.004	TBWE (1960)
143	Nueces	Dry Frio R	above Real-Uvalde Co line to below Reagan Wells (08196000)	12/16-20/1954	20	24	15	Edwards, Edwards-Trinity (Plateau)	-0.75	-0.038	TBWE (1960)
144	Nueces	Dry Frio R	above Real-Uvalde Co line to below Reagan Wells (08196000)	9/9-13/1955	28	26	20	Edwards, Edwards-Trinity (Plateau)	-2.18	-0.078	TBWE (1960)
145	Nueces	Dry Frio R	above Real-Uvalde Co line to Reagan Wells (08196000)	1/15-20/1958	26.1	35	13	Edwards, Edwards-Trinity (Plateau)	10.01	0.384	TBWE (1960)
146	Nueces	Dry Frio R	near Reagan Wells	6/28/1925	15.5	7	6	Edwards, Edwards-Trinity (Plateau)	-1.0	-0.065	TBWE (1960)
147	Nueces	Dry Frio R	Reagan Wells (08196000) to 0.9 mi north of US 90	6/18/1981	24.6	6	6	Edwards	-425.61	-17.301	Land and others (1983)
148	Nueces	East Frio R	11 mi above mouth to mouth	1/5-6/1955	11	12	9	Edwards-Trinity (Plateau)	-7.01	-0.637	TBWE (1960)
149	Nueces	East Frio R	11 mi above mouth to mouth	9/7-9/1955	11	12	9	Edwards-Trinity (Plateau)	-4.11	-0.374	TBWE (1960)
150	Nueces	East Frio R	5.2 mi above mouth to mouth	2/14/1955	5.2	5	4	Edwards-Trinity (Plateau)	-6.95	-1.337	TBWE (1960)
151	Nueces	East Frio R	5.2 mi above mouth to mouth	7/9/1957	5.2	5	4	Edwards-Trinity (Plateau)	-8.49	-1.633	TBWE (1960)
152	Nueces	East Frio R - [Frio R]	11.8 mi above Leakey to 7 mi below Concan	6/26-28/1925	38.3	24	16	Edwards, Edwards-Trinity (Plateau)	-17.71	-0.462	TBWE (1960)
153	Nueces	East Frio R - [Frio R]	11 mi above Leakey to 3.7 mi below Concan (08195000)	5/17-23/1954	38.5	16	14	Edwards, Edwards-Trinity (Plateau)	1.57	0.041	TBWE (1960)
154	Nueces	Frio R	Choke Canyon Reservoir to Shamrock Refinery	11/12-13/1991	8.59	5	4	Gulf Coast	0.12	0.014	unpublished
155	Nueces	Frio R	Concan (08195000) to near Uvalde (08197500)	9/11/1980	28.4	7	7	Edwards	-200.14	-7.047	Land and others (1983)
156	Nueces	Frio R	Concan (08195000) to near Knippa	11/5-6/1932	18.5	5	5	Edwards	-233.0	-12.595	TBWE (1960)
157	Nueces	Frio R	Concan (08195000) to near Knippa	12/20/1932	18.5	5	5	Edwards	-124.0	-6.703	TBWE (1960)
158	Nueces	Frio R	near Concan	7/1/1931	6	5	5	Edwards	-25.7	-4.283	TBWE (1960)
159	Nueces	Frio R	near Fowlerton to mouth	12/18-21/1967	62.9	13	6	Gulf Coast	10.63	0.169	USGS (1969)
160	Nueces	Frio R	Reagan Wells (08196000) to Uvalde (08197500)	4/2/1981	28.4	7	7	Edwards	-259.18	-9.126	Land and others (1983)
161	Nueces	Frio R	Reagan Wells (08196000) to Uvalde (08197500)	5/6/1981	28.4	7	7	Edwards	-229.0	-8.063	Land and others (1983)
162	Nueces	Hondo Cr	near headwaters to US 90	4/5-8/1958	37.2	25	15	Edwards, Trinity	-27.78	-0.747	TBWE (1960)
163	Nueces	Hondo Cr	Tarpley (08200000) to 3 mi downstream from US 90	3/27-28/1968	29.5	13	12	Edwards, Trinity	-98.0	-3.322	USGS (1969)
164	Nueces	Hondo Cr	Tarpley (08200000) to Hondo (08200700)	5/27/1981	18.9	6	6	Edwards	-158.1	-8.365	Land and others (1983)
165	Nueces	Leona R	1.7 mi southeast of Uvalde to 0.2 mi east of Zavalla-Frio Co line	2/5-8/1946	49.4	35	32	Carrizo-Wilcox	2.0	0.04	TBWE (1960)
166	Nueces	Leona R	1.7 mi southeast of Uvalde to 35 mi southeast of Uvalde	6/11-12/1931	37.5	15	12	Carrizo-Wilcox	-3.1	-0.083	TBWE (1960)
167	Nueces	Leona R	1.7 mi southeast of Uvalde to 7.1 mi southeast of Batesville	8/7-9/1946	36.3	22	21	Carrizo-Wilcox	0.3	0.008	TBWE (1960)
168	Nueces	Leona R	1.7 mi southeast of Uvalde to 9.5 mi southeast of Uvalde	3/1/1947	9.8	5	5	Carrizo-Wilcox	14.91	1.521	TBWE (1960)
169	Nueces	Leona R	1.7 mi southeast of Uvalde to below Batesville	6/21-22/1934	34.6	13	10	Carrizo-Wilcox	-3.1	-0.09	TBWE (1960)
170	Nueces	Leona R	1.7 mi southeast of Uvalde to below Batesville	10/18-20/1934	34.6	14	11	Carrizo-Wilcox	2.4	0.069	TBWE (1960)
171	Nueces	Leona R	1.7 mi southeast of Uvalde to below Batesville	7/5-6/1939	23	14	11	Carrizo-Wilcox	4.3	0.187	TBWE (1960)
172	Nueces	Leona R	1.7 mi southeast of Uvalde to near Batesville	11/7/1932	17	6	4	Carrizo-Wilcox	21.2	1.247	TBWE (1960)
173	Nueces	Leona R	10 mi below Uvalde to below Batesville	6/8-10/1939	26	10	8	Carrizo-Wilcox	-3.8	-0.146	TBWE (1960)
174	Nueces	Leona R	below Kincaid Dam to 9.5 mi southeast of Uvalde	2/19/1946	5.2	7	7	Carrizo-Wilcox	0.7	0.135	TBWE (1960)
175	Nueces	Leona R	Uvalde-Friotown Hwy to near Batesville	4/25-28/1925	33.5	14	11	Carrizo-Wilcox	15.89	0.474	TBWE (1960)
176	Nueces	Little Seco Cr	9 mi above mouth to mouth	4/3/1958	9	7	7	Edwards, Trinity	0.0	0.0	TBWE (1960)
177	Nueces	Middle Verde and Verde Cr	15.6 mi north of Hondo to 4.5 mi north of Hondo	4/24/1981	16.5	10	8	Edwards, Trinity	-116.0	-7.03	Land and others (1983)
178	Nueces	Middle Verde and Verde Cr	15.6 mi north of Hondo to 4.5 mi north of Hondo	6/17/1981	16.5	10	9	Edwards, Trinity	-161.0	-9.758	Land and others (1983)
179	Nueces	Middle Verde and Verde Cr	15.6 mi north of Hondo to 4.5 mi north of Hondo	9/8/1981	16.5	9	7	Edwards, Trinity	-86.0	-5.212	Land and others (1983)
180	Nueces	Middle Verde and Verde Cr	5.5 mi above East Verde Cr to 4 mi west of Quihi	1/14/1958	19.5	9	6	Edwards, Trinity	-58.3	-2.99	TBWE (1960)
181	Nueces	Middle Verde and Verde Cr	SH 173 on Middle Verde Cr to Vandenburg community	9/8/1980	16.5	11	8	Edwards, Trinity	-86.0	-5.212	USGS (1981)
182	Nueces	Nueces R	above Laguna (08190000) to 4.8 mi southeast of La Pryor	5/2-3/1940	46.9	14	13	Carrizo-Wilcox, Edwards	-63.8	-1.36	TBWE (1960)
183	Nueces	Nueces R	above Laguna (08190000) to 4.8 mi southeast of La Pryor	7/9-10/1940	46.9	14	13	Carrizo-Wilcox, Edwards	-66.7	-1.422	TBWE (1960)
184	Nueces	Nueces R	above Laguna (08190000) to 4.8 mi southeast of La Pryor	8/28-29/1940	46.8	14	13	Carrizo-Wilcox, Edwards	-52.3	-1.118	TBWE (1960)
185	Nueces	Nueces R	above Laguna (08190000) to 4.8 mi southeast of La Pryor	9/26-27/1940	46.9	14	12	Carrizo-Wilcox, Edwards	-27.9	-0.595	TBWE (1960)
186	Nueces	Nueces R	Laguna (08190000) to Uvalde (08192000)	8/10/1981	29.4	6	6	Edwards	-24.0	-0.816	Land and others (1983)
187	Nueces	Nueces R	Barksdale to Laguna (08190000)	12/13-15/1954	25.2	37	17	Edwards-Trinity (Plateau)	-1.01	-0.04	TBWE (1960)
188	Nueces	Nueces R	Barksdale to Laguna (08190000)	9/19-20/1955	25.2	35	19	Edwards-Trinity (Plateau)	15.78	0.626	TBWE (1960)
189	Nueces	Nueces R	Barksdale to Laguna (08190000)	7/8-10/1957	25.2	29	17	Edwards-Trinity (Plateau)	18.2	0.722	TBWE (1960)
190	Nueces	Nueces R	below Mathis (08211100) to above Calallen (08211200)	2/9/1967	8.4	6	5	Gulf Coast	3.0	0.357	USGS (1968)
191	Nueces	Nueces R	below Odley Cr near Vance to La Pryor	3/17-26/1924	74.4	21	18	Carrizo-Wilcox, Edwards, Edwards-Trinity (Plateau)	19.8	0.266	TBWE (1960)
192	Nueces	Nueces R	Cotulla (08194000) to Simmons (08194600)	7/28-30/1981	108.1	13	10	Gulf Coast	7.6	0.07	USGS (1982a)
193	Nueces	Nueces R	Cotulla (08194000) to Simmons (08194600)	8/11-13/1981	108.1	13	10	Gulf Coast	9.29	0.086	USGS (1982a)
194	Nueces	Nueces R	Laguna (08190000) to 3.8 mi southeast of Cinonia	6/14-30/1939	61.6	27	25	Carrizo-Wilcox, Edwards	-23.7	-0.385	TBWE (1960)
195	Nueces	Nueces R	Laguna (08190000) to 5 mi northeast of La Pryor	11/14-16/1931	39.6	10	10	Carrizo-Wilcox, Edwards	-60.2	-1.52	TBWE (1960)
196	Nueces	Nueces R	Laguna (08190000) to 5 mi northeast of La Pryor	1/24-25/1932	39.6	11	11	Carrizo-Wilcox, Edwards	-59.5	-1.503	TBWE (1960)
197	Nueces	Nueces R	Laguna (08190000) to Cinonia	4/30-5/8/1925	54.9	14	14	Carrizo-Wilcox, Edwards	-29.9	-0.545	TBWE (1960)
198	Nueces	Nueces R	Laguna (08190000) to Cinonia	5/16-17/1931	56.5	11	11	Carrizo-Wilcox, Edwards	-76.0	-1.345	TBWE (1960)
199	Nueces	Nueces R	Laguna (08190000) to Cinonia	6/4-6/1931	53	10	10	Carrizo-Wilcox, Edwards	-84.0	-1.585	TBWE (1960)
200	Nueces	Nueces R	Laguna (08190000) to Cinonia	6/15-17/1931	56.5	12	12	Carrizo-Wilcox, Edwards	-73.6	-1.303	TBWE (1960)
201	Nueces	Nueces R	Laguna (08190000) to Cinonia	6/22-24/1931	56.5	12	12	Carrizo-Wilcox, Edwards	-91.9	-1.627	TBWE (1960)
202	Nueces	Nueces R	Laguna (08190000) to Cinonia	7/2-4/1931	56.5	12	12	Carrizo-Wilcox, Edwards	-82.5	-1.46	TBWE (1960)
203	Nueces	Nueces R	Laguna (08190000) to Leona R springflow near Uvalde (08204000)	5/19/1931	22.7	4	4	Edwards	-79.0	-3.48	TBWE (1960)
204	Nueces	Nueces R	Laguna (08190000) to Leona R springflow near Uvalde (08204000)	7/9/1931	22.7	6	6	Edwards	-77.3	-3.405	TBWE (1960)
205	Nueces	Nueces R	Laguna (08190000) to Leona R springflow near Uvalde (08204000)	7/16-17/1931	22.7	6	6	Edwards	-73.0	-3.216	TBWE (1960)
206	Nueces	Nueces R	Laguna (08190000) to near Cinonia	11/1-4/1932	56.5	14	14	Carrizo-Wilcox, Edwards	28.0	0.496	TBWE (1960)
207	Nueces	Nueces R	Laguna (08190000) to near Cinonia	7/23-25/1933	56.5	14	14	Carrizo-Wilcox, Edwards	-8.7	-0.154	TBWE (1960)
208	Nueces	Nueces R	Laguna (08190000) to SAU&G RR bridge	8/29-30/1931	31.6	8	8	Carrizo-Wilcox, Edwards	-80.2	-2.538	TBWE (1960)
209	Nueces	Nueces R	Mathis (08211000) to Calallen	4/20-22/1948	25.5	18	13	Gulf Coast	-0.7	-0.027	TBWE (1960)
210	Nueces	Nueces R	Uvalde (08204000) to Cinonia	7/13/1931	33.8	7	7	Carrizo-Wilcox	4.0	0.118	TBWE (1960)
211	Nueces	Nueces R	Miller's Ranch to Nueces R at Highway 59	11/12-13/1991	16.45	7	6	Gulf Coast	65.89	4.005	unpublished
212	Nueces	Nueces R	Mathis (08211000) to Calallen Dam	8/28-30/1963	25.8	13	13	Gulf Coast	-15.0	-0.581	USGS (1964)
213	Nueces	Nueces R	Mathis (08211000) to Calallen Dam	10/9-10/1963	14.2	7	7	Gulf Coast	-5.0	-0.352	USGS (1964)
214	Nueces	Nueces R	Mathis (08211000) to Calallen Dam	2/21-24/1966	20.5	16	12	Gulf Coast	-8.31	-0.405	USGS (1967)
215	Nueces	Nueces R	Mathis (08211000) to Calallen Dam	8/16-18/1966	20.5	16	12	Gulf Coast	-4.12	-0.201	USGS (1967)
216	Nueces	Nueces R	near Vance to La Pryor Crossing	8/11-18/1924	66.1	13	12	Carrizo-Wilcox, Edwards, Edwards-Trinity (Plateau)	21.0	0.318	TBWE (1960)
217	Nueces	Nueces R	Old Spanish Trail crossing to Tom Nunn Hill Dam	3/10-11/1924	3.6	3	3	--	26.8	7.444	TBWE (1960)
218	Nueces	Nueces R	Real-Uvalde Co line to Laguna (08190000)	2/16/1955	16.8	4	4	Edwards-Trinity (Plateau)	-1.6	-0.095	TBWE (1960)
219	Nueces	Nueces R	US 90 to near Crystal City	11/23-25/1964	52.2	19	10	Carrizo-Wilcox	13.4	0.257	USGS (1966)
220	Nueces	Sabinal R	1 mi south of Utopia to 6 mi north of Sabinal	5/7-8/1942	17.5	7	6	Edwards, Trinity	-32.7	-1.869	TBWE (1960)
221	Nueces	Sabinal R	8 mi above Vanderpool to at Sabinal (08198500)	4/8-11/1958	49	30	19	Edwards, Edwards-Trinity (Plateau), Trinity	-31.6	-0.645	TBWE (1960)
222	Nueces	Sabinal R	8 mi above Vanderpool to near Sabinal (08198000)	12/15-16/1954	31.4	24	18	Edwards-Trinity (Plateau), Trinity	-1.53	-0.049	TBWE (1960)
223	Nueces	Sabinal R	8 mi above Vanderpool to near Sabinal (08198000)	9/10-11/1955	31.4	24	18	Edwards-Trinity (Plateau), Trinity	-1.08	-0.034	TBWE (1960)
224	Nueces	Sabinal R	below Utopia	1/10/1934	18	4	4	Trinity	0.92	0.051	TBWE (1960)
225	Nueces	Sabinal R	confluence with Onion Cr to 6 mi north of Sabinal	5/18/1942	9.5	4	4	Edwards, Trinity	-32.3	-3.4	TBWE (1960)
226	Nueces	Sabinal R	confluence with Onion Cr to 6 mi north of Sabinal	8/5/1942	9.5	4	4	Edwards, Trinity	-6.55	-0.689	TBWE (1960)
227	Nueces	Sabinal R	near Sabinal (08198000) to at Sabinal (08198500)	4/2/1981	19.1	4	4	--	-82.2	-4.304	Land and others (1983)
228	Nueces	Sabinal R	near Sabinal (08198000) to at Sabinal (08198500)	8/6/1981	19.1	4	4	--	-91.2	-4.775	Land and others (1983)
229	Nueces	Seco Cr	Miller Ranch (08201500) to D'Hanis (08202700)	6/18/1981	22.9	8	7	Edwards, Trinity	-167.35	-7.308	Land and others (1983)
230	Nueces	Seco Cr	Miller Ranch (08201500) to D'Hanis (08202700)	6/19/1981	22.9	8	7	Edwards, Trinity	-159.2	-6.952	Land and others (1983)
231	Nueces	Seco Cr	Miller Ranch (08201500) to D'Hanis (08202700)	6/22/1981	22.9	8	7	Edwards, Trinity	-170.2	-7.432	Land and others (1983)
232	Nueces	Seco Cr	D'Hanis (08202500) to 17 mi below US 90	11/7/1958	36.3	13	13	--	-97.0	-2.672	TBWE (1960)
233	Nueces	Short Prong Frio R - [Frio R]	16 mi above Leakey to Concan (08195000)	1/4-7/1955	39.5	26	20	Edwards, Edwards-Trinity (Plateau)	10.06	0.255	TBWE (1960)
234	Nueces	Short Prong Frio R - [Frio R]	16 mi above Leakey to Concan (08195000)	9/8-10/1955	39.5	28	21	Edwards, Edwards-Trinity (Plateau)	8.54	0.216	TBWE (1960)
235	Nueces	West Frio R - [Frio R]	11.6 mi above confluence with East Frio R to Concan (08195000)	7/8-12/1957	35	11	9	Edwards, Edwards-Trinity (Plateau)	30.86	0.882	TBWE (1960)
236	Nueces	West Frio R - [Frio R]	8 mi above Leakey to Concan (08195000)	2/14-18/1955	31.7	7	5	Edwards, Edwards-Trinity (Plateau)	11.59	0.366	TBWE (1960)
237	Nueces	West Nueces R	above Brackettville (08190500) to near Uvalde	5/13/1941	37	5	4	Edwards	-7.1	-0.192	TBWE (1960)
238	Nueces	West Nueces R	Blackwater Hole to discontinued station near Brackettville (08190500)	12/13-14/1954	47.7	18	15	Edwards, Edwards-Trinity (Plateau)	-4.95	-0.104	TBWE (1960)
239	Nueces	West Nueces R	Blackwater Hole to discontinued station near Brackettville (08190500)	9/11-12/1955	47.7	18	16	Edwards, Edwards-Trinity (Plateau)	-6.95	-0.146	TBWE (1960)
240	Nueces	West Nueces R	near Brackettville (08190500) to Shaw Ranch crossing	6/20/1981	38.5	3	2	Edwards	-286.0	-7.429	Land and others (1983)
241	Nueces	West Seco Cr - [Seco Cr]	near Utopia (08202000) to US 90	4/1-4/1958	39	39	21	Edwards, Trinity	-21.04	-0.539	TBWE (1960)
242	Nueces	Williams Cr	4.7 mi above mouth to 1,600 feet above Hondo Cr	4/5/1958	4.4	6	3	Trinity	6.36	1.445	TBWE (1960)
243	Red River	Grays Cr	2.6 mi north of Marshall to FM 1997	6/13/1964	3.3	9	2	Carrizo-Wilcox	-0.03	-0.009	USGS (1966)
244	Red River	Little Cypress Cr	SH 155 to FM 134	6/10-13/1964	49.1	35	10	Carrizo-Wilcox	6.52	0.133	USGS (1966)
245	Red River	Little Cypress Cr	northeast of Gilmer to near Jefferson	1/2-3/1964	40.5	7	7	Carrizo-Wilcox	24.09	0.595	USGS (1966)
246	Red River	North Fk Wichita R	Truscott (07311700) to 4 mi above Lake Kemp	2/6-7/1974	47.6	6	6	--	-1.3	-0.027	USGS (1975)
247	Red River	Prairie Dog Town Fk	Lake Tanglewood to Wayside (07297910)	2/6-9/1968	40.2	68	32	--	1.35	0.034	USGS (1969)
248	Red River	South Fk Wichita R	Benjamin (07311800) to 4 mi above Lake Kemp	2/6-7/1974	41	6	5	--	-0.8	-0.02	USGS (1975)
249	Red River	Sugar Cr	FM 1403 to SH 154	6/10-11/1964	0.8	3	2	--	0.15	0.188	USGS (1966)
250	Red River	Tierra Blanca Cr	near Umbarger to near Canyon	8/31/1941	17.9	8	8	Ogallala	-4.53	-0.253	TBWE (1960)
251	Red River	Tierra Blanca Cr	near Umbarger to near Canyon	9/28/1941	17.9	6	6	Ogallala	-2.6	-0.145	TBWE (1960)
252	Rio Grande	Big Aguja Canyon	11.8 mi to 2.2 mi above Toyahvale	9/1/1932	9.6	4	3	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-19.2	-2.0	TBWE (1960)
253	Rio Grande	Big Aguja Canyon	11.8 mi to 2.2 mi above Toyahvale	9/3/1932	9.6	4	3	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-26.6	-2.771	TBWE (1960)
254	Rio Grande	Big Aguja Canyon	11.8 mi to 2.2 mi above Toyahvale	9/13/1932	9.6	5	3	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-13.6	-1.417	TBWE (1960)
255	Rio Grande	Big Aguja Canyon	11.8 mi to 2.2 mi above Toyahvale	10/6/1932	9.6	11	8	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-15.4	-1.604	TBWE (1960)
256	Rio Grande	Cherry Canyon	1.5 mi above to 2.5 mi below Madera Canyon near Toyahvale (08424500)	9/15/1932	2	2	2	Cenozoic Pecos Alluvium	-13.5	-6.75	TBWE (1960)
257	Rio Grande	Cherry Canyon	1.5 mi above to 2.5 mi below Madera Canyon near Toyahvale (08424500)	9/21/1932	1.5	2	2	Cenozoic Pecos Alluvium	3.8	2.533	TBWE (1960)
258	Rio Grande	Cherry Canyon	1.5 mi above to 2.5 mi below Madera Canyon near Toyahvale (08424500)	10/7/1932	2.5	2	2	Cenozoic Pecos Alluvium	-31.2	-12.48	TBWE (1960)
259	Rio Grande	Devils R	30 mi above Del Rio to mouth	1/26-28/1921	27.2	5	4	Edwards-Trinity (Plateau)	140.0	5.147	TBWE (1960)
260	Rio Grande	Devils R	30 mi above Del Rio to mouth	10/6-7/1921	7.8	4	4	Edwards-Trinity (Plateau)	52.0	6.667	TBWE (1960)
261	Rio Grande	Devils R	Beaver Lake to Juno (08449000)	8/8-13/1925	76	21	17	Edwards-Trinity (Plateau)	426.1	5.607	TBWE (1960)
262	Rio Grande	Devils R	Dolans Cr to near Comstock	2/14-20/1928	22.3	22	13	Edwards-Trinity (Plateau)	91.98	4.125	TBWE (1960)
263	Rio Grande	Devils R	near Comstock to Southern Pacific RR bridge	2/7-11/1928	16.5	30	10	Edwards-Trinity (Plateau)	97.91	5.934	TBWE (1960)
264	Rio Grande	Limpia Cr	11.7 mi to 28.7 mi below Fort Davis	11/21/1932	17	7	7	Edwards-Trinity (Plateau)	-4.0	-0.235	TBWE (1960)
265	Rio Grande	Limpia Cr	12.3 mi above to 18.2 mi below Fort Davis	10/18-19/1932	30.5	24	18	Edwards-Trinity (Plateau)	12.5	0.41	TBWE (1960)
266	Rio Grande	Limpia Cr	14.7 mi to 40.2 mi below Fort Davis	10/8/1932	25.5	9	6	Edwards-Trinity (Plateau)	-35.5	-1.392	TBWE (1960)
267	Rio Grande	Limpia Cr	15.8 mi to 18.7 mi below Fort Davis	8/3/1933	2.9	3	3	Edwards-Trinity (Plateau)	-12.6	-4.345	TBWE (1960)
268	Rio Grande	Limpia Cr	18.2 mi to 29.2 mi below Fort Davis	11/1/1932	11	5	5	Edwards-Trinity (Plateau)	-8.2	-0.745	TBWE (1960)
269	Rio Grande	Little Aguja Canyon	11.2 mi to 3 mi above Toyahvale	10/6/1932	8.2	5	4	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-27.0	-3.293	TBWE (1960)
270	Rio Grande	Little Aguja Canyon	11.3 mi to 3.9 mi above Toyahvale	9/13/1932	7.4	4	4	Edwards-Trinity (Plateau)	-22.8	-3.081	TBWE (1960)
271	Rio Grande	Little Aguja Canyon	11.3 mi to 7.7 mi above Toyahvale	9/20/1932	3.6	6	6	Edwards-Trinity (Plateau)	-4.1	-1.139	TBWE (1960)
272	Rio Grande	Little Aguja Canyon	11.3 mi to 8.2 mi above Toyahvale	9/14/1932	3.1	2	2	Edwards-Trinity (Plateau)	-11.2	-3.613	TBWE (1960)
273	Rio Grande	Little Aguja Canyon	12.5 mi to 2.2 mi above Toyahvale	9/1/1932	10.3	3	2	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-18.5	-1.796	TBWE (1960)
274	Rio Grande	Little Aguja Canyon	15.5 mi to 2.2 mi above Toyahvale	8/17/1932	13.3	11	10	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-1.7	-0.128	TBWE (1960)
275	Rio Grande	Madera Canyon	13.3 mi to 3.5 mi above Toyahvale	9/2/1932	9.8	4	4	Edwards-Trinity (Plateau)	-67.0	-6.837	TBWE (1960)
276	Rio Grande	Madera Canyon	13.3 mi to 3.5 mi above Toyahvale	9/3/1932	9.8	4	4	Edwards-Trinity (Plateau)	-37.3	-3.806	TBWE (1960)
277	Rio Grande	Madera Canyon	13.3 mi to 3.5 mi above Toyahvale	8/27/1933	9.8	3	3	Edwards-Trinity (Plateau)	-17.5	-1.786	TBWE (1960)
278	Rio Grande	Madera Canyon	13.3 mi to 5.1 mi above Toyahvale	9/1/1932	8.2	3	3	Edwards-Trinity (Plateau)	-23.2	-2.829	TBWE (1960)
279	Rio Grande	Madera Canyon	13.3 mi to 5.1 mi above Toyahvale	9/12/1932	8.2	4	3	Edwards-Trinity (Plateau)	-26.7	-3.256	TBWE (1960)
280	Rio Grande	Madera Canyon	13.3 mi to 5.1 mi above Toyahvale	9/15/1932	8.2	3	3	Edwards-Trinity (Plateau)	-14.3	-1.744	TBWE (1960)
281	Rio Grande	Madera Canyon	13.3 mi to 5.1 mi above Toyahvale	9/21/1932	8.2	5	5	Edwards-Trinity (Plateau)	-4.6	-0.561	TBWE (1960)
282	Rio Grande	Madera Canyon	13.3 mi to 9.3 mi above Toyahvale	10/6/1932	4	5	4	Edwards-Trinity (Plateau)	-38.8	-9.7	TBWE (1960)
283	Rio Grande	Madera Canyon	13.3 mi to 9.8 mi above Toyahvale	9/24/1932	3.5	5	4	Edwards-Trinity (Plateau)	-6.8	-1.943	TBWE (1960)
284	Rio Grande	PCWID #1 canal system at Fort Stockton	High line canal	11/24/1939	7.4	7	5	Cenozoic Pecos Alluvium	-5.5	-0.743	TBWE (1960)
285	Rio Grande	PCWID #1 canal system at Fort Stockton	High line canal	12/14/1939	2.5	3	2	Cenozoic Pecos Alluvium	0.4	0.16	TBWE (1960)
286	Rio Grande	PCWID #1 canal system at Fort Stockton	lateral #2	12/14/1939	2.4	5	4	Cenozoic Pecos Alluvium	-0.4	-0.167	TBWE (1960)
287	Rio Grande	PCWID #1 canal system at Fort Stockton	lateral #3	12/14/1939	1.8	2	2	Cenozoic Pecos Alluvium	0.0	0.0	TBWE (1960)
288	Rio Grande	PCWID #1 canal system at Fort Stockton	Seven-D canal	12/14/1939	1.5	4	3	Cenozoic Pecos Alluvium	-1.0	-0.667	TBWE (1960)
289	Rio Grande	Pecos R	Angeles (08409500) to Girvin	5/28-30/1918	203	26	18	Cenozoic Pecos Alluvium	-105.5	-0.52	TBWE (1960)
290	Rio Grande	Pecos R	Girvin (08446500) to Comstock (IBWC 08447700)	2/6-9/1968	193.6	34	19	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	74.97	0.387	USGS (1969)
291	Rio Grande	Pecos R	Orla (08410000) to Girvin (08446500)	3/3-5/1964	188.05	21	11	Cenozoic Pecos Alluvium	-184.8	-0.983	USGS (1965)
292	Rio Grande	Pecos R	Orla (08410000) to Girvin (08446500)	5/10-12/1965	188.05	25	16	Cenozoic Pecos Alluvium	8.92	0.047	USGS (1966)
293	Rio Grande	Pecos R	Orla (08410000) to Girvin (08446500)	4/17-19/1967	185.5	23	14	Cenozoic Pecos Alluvium	-189.29	-1.02	USGS (1968)
294	Rio Grande	RCWID #1 canal laterals	back lateral	8/29/1940	2.2	4	4	Cenozoic Pecos Alluvium	0.0	0.0	TBWE (1960)
295	Rio Grande	RCWID #1 canal laterals	Carpenter takeout	10/27/1931	1	2	2	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-0.08	-0.08	TBWE (1960)
296	Rio Grande	RCWID #1 canal laterals	Giffin Spring canal	11/18/1931	0.8	2	2	Cenozoic Pecos Alluvium	0.26	0.325	TBWE (1960)
297	Rio Grande	RCWID #1 canal laterals	Greasy Row lateral	9/6/1940	1.5	5	3	Cenozoic Pecos Alluvium	-0.02	-0.013	TBWE (1960)
298	Rio Grande	RCWID #1 canal laterals	Halbert corner lateral	8/29/1940	1.6	7	4	Cenozoic Pecos Alluvium	0.15	0.094	TBWE (1960)
299	Rio Grande	RCWID #1 canal laterals	highway ditch	10/27/1931	1.3	4	3	Cenozoic Pecos Alluvium	0.43	0.331	TBWE (1960)
300	Rio Grande	RCWID #1 canal laterals	Humphrey-Mayer lateral	8/28/1940	0.7	4	4	Cenozoic Pecos Alluvium	0.12	0.171	TBWE (1960)
301	Rio Grande	RCWID #1 canal laterals	Ikens Estate lateral	8/29/1940	0.2	2	2	Cenozoic Pecos Alluvium	-0.96	-4.8	TBWE (1960)
302	Rio Grande	RCWID #1 canal laterals	Moore canal	11/16/1931	0.5	2	2	Cenozoic Pecos Alluvium	0.06	0.12	TBWE (1960)
303	Rio Grande	RCWID #1 canal laterals	north lateral	7/2/1940	4	6	5	Cenozoic Pecos Alluvium	-0.44	-0.11	TBWE (1960)
304	Rio Grande	RCWID #1 canal laterals	north lateral	8/28/1940	4	9	7	Cenozoic Pecos Alluvium	-0.26	-0.065	TBWE (1960)
305	Rio Grande	RCWID #1 canal laterals	reservoir takeout	10/27/1931	1	2	2	Cenozoic Pecos Alluvium	-0.5	-0.5	TBWE (1960)
306	Rio Grande	RCWID #1 canal laterals	Saragosa canal	11/16/1931	0.5	2	2	Cenozoic Pecos Alluvium	-0.29	-0.58	TBWE (1960)
307	Rio Grande	RCWID #1 canal laterals	siphon ditch	10/28/1931	2.3	2	2	Cenozoic Pecos Alluvium	-3.13	-1.361	TBWE (1960)
308	Rio Grande	RCWID #1 canal system	below San Solomon Springs to above Balmorhea Reservoir	2/6-7/1935	3.7	7	5	Cenozoic Pecos Alluvium	5.9	1.595	TBWE (1960)
309	Rio Grande	RCWID #1 main canal	above first diversion to sixth diversion, near Balmorhea	4/26-27/1923	8.85	8	4	Cenozoic Pecos Alluvium	-12.41	-1.402	TBWE (1960)
310	Rio Grande	RCWID #1 main canal	headgate to Barlow diversion, near Balmorhea	7/27/1922	5.5	8	3	Cenozoic Pecos Alluvium	-7.0	-1.273	TBWE (1960)
311	Rio Grande	RCWID #1 main canal	headgate to last diversion, near Balmorhea	9/25-26/1923	6.3	12	6	Cenozoic Pecos Alluvium	-2.96	-0.47	TBWE (1960)
312	Rio Grande	RCWID #1 main canal	source to 2.9 mi below source	3/14/1933	2.9	4	2	Cenozoic Pecos Alluvium	-0.2	-0.069	TBWE (1960)
313	Rio Grande	RCWID #1 main canal	source to end	10/27-28/1931	11.4	19	5	Cenozoic Pecos Alluvium	-6.38	-0.56	TBWE (1960)
314	Rio Grande	RCWID #1 main canal	source to end	1/11-12/1933	9.3	13	7	Cenozoic Pecos Alluvium	-3.9	-0.419	TBWE (1960)
315	Rio Grande	RCWID #1 main canal	source to end	3/13/1933	9.3	11	7	Cenozoic Pecos Alluvium	7.1	0.763	TBWE (1960)
316	Rio Grande	RCWID #1 reservoir outlet canal	reservoir to main canal	7/22/1932	3.4	3	2	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-3.8	-1.118	TBWE (1960)
317	Rio Grande	RCWID #1 reservoir outlet canal	reservoir to main canal	7/26/1932	3.4	6	5	Cenozoic Pecos Alluvium, Edwards-Trinity (Plateau)	-0.3	-0.088	TBWE (1960)
318	Rio Grande	RCWID #1 reservoir outlet canal	reservoir to main canal	8/17/1932	2.5	3	3	Cenozoic Pecos Alluvium	-0.2	-0.08	TBWE (1960)
319	Rio Grande	RCWID #1 reservoir outlet canal	reservoir to main canal	7/20/1933	2.9	2	2	Cenozoic Pecos Alluvium	-2.6	-0.897	TBWE (1960)
320	Rio Grande	RCWID #1 reservoir outlet canal	reservoir to main canal	7/26/1933	2.7	2	2	Cenozoic Pecos Alluvium	-1.2	-0.444	TBWE (1960)
321	Rio Grande	Rio Grande	Comal to Indio Ranch	1/13-3/18/1928	34	3	3	--	90.0	2.647	TBWE (1960)
322	Rio Grande	Rio Grande	Del Rio to Eagle Pass	2/9-3/3/1926	64	10	4	Edwards-Trinity (Plateau)	116.0	1.813	TBWE (1960)
323	Rio Grande	Rio Grande	Eagle Pass to Indio Ranch	1/12-4/12/1928	18	2	2	--	55.0	3.056	TBWE (1960)
324	Rio Grande	Rio Grande	Eagle Pass to Indio Ranch	2/2-3/14/1928	18	3	3	--	55.0	3.056	TBWE (1960)
325	Rio Grande	Rio Grande	Eagle Pass to Laredo	2/22-4/12/1928	128	6	6	--	-10.0	-0.078	TBWE (1960)
326	Rio Grande	Rio Grande	Eagle Pass to Laredo	2/22-4/22/1928	128	2	2	--	-25.0	-0.195	TBWE (1960)
327	Rio Grande	Rio Grande	Eagle Pass to Laredo	4/3-22/1928	128	6	6	--	-75.0	-0.586	TBWE (1960)
328	Rio Grande	Rio Grande	Eagle Pass to San Ygnacio	2/12-22/1926	167.5	22	17	Carrizo-Wilcox	-336.0	-2.006	TBWE (1960)
329	Rio Grande	Rio Grande	Elephant Butte - Mesilla Valley Unit, East Canal near Anthony	4/21/1971	2.51	4	3	Hueco-Mesilla Bolson	-3.1	-1.235	USGS (1972)
330	Rio Grande	Rio Grande	Elephant Butte - Mesilla Valley Unit, Franklin Canal below Ysleta	4/22/1971	2	3	3	Hueco-Mesilla Bolson	-0.6	-0.3	USGS (1972)
331	Rio Grande	Rio Grande	Elephant Butte - Mesilla Valley Unit, Franklin Drain below Sorocco	4/22/1971	2.4	3	3	Hueco-Mesilla Bolson	2.3	0.958	USGS (1972)
332	Rio Grande	Rio Grande	Elephant Butte - Mesilla Valley Unit, Nemexas Drain near Anthony	4/21/1971	2	3	3	Hueco-Mesilla Bolson	1.81	0.905	USGS (1972)
333	Rio Grande	Rio Grande	Elephant Butte - Mesilla Valley Unit, West Canal near Anthony	4/21/1971	2.7	4	3	Hueco-Mesilla Bolson	-6.21	-2.3	USGS (1972)
334	Rio Grande	Rio Grande	Elephant Butte - Mesilla Valley Unit, West Drain near Anthony	4/21/1971	1.8	3	3	Hueco-Mesilla Bolson	5.0	2.778	USGS (1972)
335	Rio Grande	Rio Grande	Lajitas to Del Rio	2/7-20/1925	293.1	11	8	Edwards-Trinity (Plateau)	783.0	2.671	TBWE (1960)
336	Rio Grande	Toyah Cr	1.2 mi above to 8.8 mi below Toyahvale	11/6/1932	7.8	6	4	Cenozoic Pecos Alluvium	5.2	0.667	TBWE (1960)
337	Rio Grande	Toyah Cr	1.2 mi above to 8.8 mi below Toyahvale	1/23/1933	5.8	5	4	Cenozoic Pecos Alluvium	2.3	0.397	TBWE (1960)
338	Rio Grande	Toyah Cr	1.2 mi above to 8.8 mi below Toyahvale	3/14/1933	10	8	5	Cenozoic Pecos Alluvium	2.3	0.23	TBWE (1960)
339	Rio Grande	Toyah Cr	1.2 mi above to 8.8 mi below Toyahvale	5/16/1933	5.8	7	4	Cenozoic Pecos Alluvium	4.9	0.845	TBWE (1960)
340	Rio Grande	Toyah Cr	1.2 mi above to 8.8 mi below Toyahvale	7/11/1933	5.8	7	4	Cenozoic Pecos Alluvium	4.9	0.845	TBWE (1960)
341	Rio Grande	West Sandia Cr	above East Sandia Spring at Balmorhea (08430000)	10/17/1932	0.76	4	3	Cenozoic Pecos Alluvium	1.9	2.5	TBWE (1960)
342	Sabine	Lake Fk Cr	SH 182 to US 80	8/31-9/1/1981	1.6	3	3	Carrizo-Wilcox	-2.6	-1.625	USGS (1982b)
343	Sabine	Sabine and Old R	Ruliff (08030500) to IH-10	10/31-11/2/1966	5.3	4	2	Gulf Coast	27.0	5.094	USGS (1968)
344	Sabine	Sabine and Old R	Ruliff (08030500) to IH-10	9/12-13/1967	5.3	4	3	Gulf Coast	-206.0	-38.868	USGS (1968)
345	Sabine	Sabine R	FM 1804 to FM 2517	9/22-24/1981	156.4	11	10	Carrizo-Wilcox	127.8	0.817	USGS (1982b)
346	Sabine	Sabine R	Wills Point (08017410) to Smith-Upshur Co line at county road crossing	8/31-9/2/1981	80.5	8	6	Carrizo-Wilcox	427.42	5.31	USGS (1982b)
347	Sabine	Sabine R	northeast of Carthage to Ruliff (08030500)	9/4-5/1963	268	98	30	Carrizo-Wilcox, Gulf Coast	208.72	0.779	USGS (1964)
348	San Antonio	Cibolo Cr	7.5 mi above Boerne to gaging station at Selma (08185000)	1/17-30/1958	56	27	19	Edwards, Trinity	-89.2	-1.593	TBWE (1960)
349	San Antonio	Cibolo Cr	near Randolph AFB to mouth	3/5-7/1963	79.3	18	13	Carrizo-Wilcox, Gulf Coast	16.68	0.21	USGS (1964)
350	San Antonio	Cibolo Cr	Selma (08185000) to mouth	3/4-8/1968	87.1	52	27	Carrizo-Wilcox, Gulf Coast	59.53	0.683	USGS (1969)
351	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/26/1998	3.15	2	2	Edwards, Trinity	-60.4	-19.175	unpublished
352	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/26/1998	3.15	2	2	Edwards, Trinity	-66.0	-20.952	unpublished
353	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/27/1998	3.15	2	2	Edwards, Trinity	-61.6	-19.556	unpublished
354	San Antonio	Salado Cr	 Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/28/1998	7.21	3	3	Edwards, Trinity	-98.8	-13.703	unpublished
355	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/28/1998	7.21	3	3	Edwards, Trinity	-83.5	-11.581	unpublished
356	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/29/1998	7.21	3	3	Edwards, Trinity	-56.4	-7.822	unpublished
357	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/29/1998	7.21	3	3	Edwards, Trinity	-60.7	-8.419	unpublished
358	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/30/1998	3.15	2	2	Edwards, Trinity	-29.4	-9.333	unpublished
359	San Antonio	Salado Cr	Wilderness Rd (08178585) to Old Blanco Rd (08178593)	10/30/1998	7.21	3	3	Edwards, Trinity	-45.0	-6.241	unpublished
360	San Antonio	San Antonio R	Hildebrand Ave to San Pedro Cr mouth	7/17/1957	8	14	10	--	12.13	1.516	TBWE (1960)
361	San Antonio	San Antonio R	San Pedro Cr to Ashley St Bridge	10/27/1999	17.54	6	5	Carrizo-Wilcox	9.4	0.536	unpublished
362	San Jacinto	East Fk San Jacinto R	Cleveland (08070000) to upstream from Lake Houston	6/24/1969	18	9	5	Gulf Coast	4.2	0.233	USGS (1970)
363	San Jacinto	West Fk San Jacinto R	northwest of Conroe to above Lake Houston	6/24/1969	37.3	22	10	Gulf Coast	9.82	0.263	USGS (1970)
364	Trinity	Big Elkhart Cr	northwest of Grapeland to mouth	9/15-16/1965	25.7	9	7	--	5.18	0.202	USGS (1966)
365	Trinity	Little Elkhart Cr	south of Grapeland to mouth	9/16/1965	17.5	11	5	--	-1.59	-0.091	USGS (1966)
366	Trinity	Trinity R	Riverside to Liberty	11/4-8/1952	133.5	21	5	Gulf Coast	37.16	0.278	TBWE (1960)