Fort Bend County, Texas — public water systems

286 active public water systems serve Fort Bend County, reporting 890K people served.

Dataset updated July 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

286

Population served

890K

Community systems

174

Groundwater share

81.1%

Water systems in Fort Bend County

Active public water systems in Fort Bend County, Texas
#	Water system	County	Population served	Type	Source
1	City of Sugar Land	Fort Bend	90,909	Community	Surface water
2	Fort Bend County Wcid 2	Fort Bend	49,173	Community	Surface water
3	City of Rosenberg	Fort Bend	42,158	Community	Purchased surface water
4	City of Fulshear	Fort Bend	34,000	Community	Groundwater
5	City of Richmond	Fort Bend	25,326	Community	Surface water
6	Fort Bend County MUD 30	Fort Bend	15,798	Community	Purchased surface water
7	City of Sugar Land - New Territory	Fort Bend	15,546	Community	Groundwater
8	Fort Bend County MUD 25	Fort Bend	15,327	Community	Groundwater
9	Pecan Grove MUD	Fort Bend	14,913	Community	Surface water
10	Quail Valley Utility District	Fort Bend	14,409	Community	Groundwater
11	Fort Bend County MUD 23	Fort Bend	13,695	Community	Groundwater
12	City of Sugar Land - Greatwood	Fort Bend	12,368	Community	Groundwater
13	Fort Bend County MUD 142	Fort Bend	11,595	Community	Purchased surface water
14	Fort Bend County MUD 128	Fort Bend	10,974	Community	Purchased surface water
15	Fort Bend County MUD 58	Fort Bend	10,629	Community	Purchased surface water
16	Fort Bend County MUD 182	Fort Bend	10,498	Community	Groundwater
17	Fort Bend County MUD 151	Fort Bend	10,233	Community	Groundwater
18	North Mission Glen MUD	Fort Bend	8,730	Community	Purchased surface water
19	Kingsbridge MUD	Fort Bend	8,663	Community	Purchased surface water
20	Sienna MUD 10	Fort Bend	7,824	Community	Purchased groundwater
21	First Colony MUD 9	Fort Bend	7,818	Community	Groundwater
22	Blue Ridge West MUD	Fort Bend	7,545	Community	Groundwater
23	Sienna MUD 3	Fort Bend	7,365	Community	Purchased groundwater
24	Fort Bend County MUD 133	Fort Bend	7,362	Community	Purchased surface water
25	Fort Bend County MUD 134b	Fort Bend	7,356	Community	Purchased groundwater
26	Fort Bend County MUD 134c	Fort Bend	7,260	Community	Purchased groundwater
27	Fort Bend County MUD 143 Water View Esta	Fort Bend	7,245	Community	Groundwater
28	Fort Bend County MUD 2	Fort Bend	6,819	Community	Purchased surface water
29	Grand Mission MUD 1	Fort Bend	6,663	Community	Purchased surface water
30	Big Oaks MUD	Fort Bend	6,450	Community	Purchased surface water
31	Sienna MUD 4	Fort Bend	6,435	Community	Purchased groundwater
32	Fort Bend County MUD 35	Fort Bend	6,297	Community	Purchased groundwater
33	Grand Mission MUD 2	Fort Bend	6,285	Community	Purchased groundwater
34	Fort Bend County MUD 50	Fort Bend	6,234	Community	Purchased surface water
35	Cinco MUD 14	Fort Bend	6,192	Community	Purchased groundwater
36	Cinco Southwest MUD 4	Fort Bend	6,093	Community	Purchased surface water
37	Fort Bend County MUD 146	Fort Bend	5,985	Community	Purchased surface water
38	Cinco MUD 8	Fort Bend	5,613	Community	Purchased groundwater
39	Fort Bend County MUD 162	Fort Bend	5,553	Community	Groundwater
40	Fort Bend County MUD 34	Fort Bend	5,523	Community	Purchased surface water
41	Cinco Southwest MUD 2	Fort Bend	5,496	Community	Purchased surface water
42	Fort Bend County MUD 26 Quail Green West	Fort Bend	5,424	Community	Groundwater
43	Fulshear MUD 3a	Fort Bend	5,421	Community	Groundwater
44	Fort Bend County MUD 118	Fort Bend	5,346	Community	Purchased surface water
45	Fort Bend County MUD 57	Fort Bend	5,335	Community	Purchased surface water
46	Fort Bend County MUD 155	Fort Bend	5,292	Community	Purchased surface water
47	Fort Bend County MUD 194	Fort Bend	5,211	Community	Purchased groundwater
48	Cinco Southwest MUD 3 Daycare	Fort Bend	5,187	Community	Purchased surface water
49	Sienna MUD 6	Fort Bend	5,184	Community	Purchased surface water
50	Fort Bend County MUD 119	Fort Bend	5,088	Community	Purchased surface water