Grayson County, Texas — public water systems

50 active public water systems serve Grayson County, reporting 159K people served.

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

Active systems

Population served

159K

Community systems

Groundwater share

66%

Water systems in Grayson County

Active public water systems in Grayson County, Texas
#	Water system	County	Population served	Type	Source
1	City of Sherman	Grayson	43,645	Community	Surface water
2	City of Denison	Grayson	27,500	Community	Surface water
3	City of Van Alstyne	Grayson	7,000	Community	Purchased surface water
4	Two Way Sud	Grayson	6,804	Community	Groundwater
5	South Grayson Sud	Grayson	6,750	Community	Groundwater
6	City of Howe	Grayson	4,548	Community	Purchased surface water
7	Tanglewood on Texoma	Grayson	4,341	Community	Purchased surface water
8	Luella Sud	Grayson	4,200	Community	Groundwater
9	City of Whitesboro	Grayson	4,192	Community	Groundwater
10	Kentuckytown WSC	Grayson	4,083	Community	Groundwater
11	Northwest Grayson County Wcid 1	Grayson	3,615	Community	Groundwater
12	Oak Ridge South Gale WSC	Grayson	3,153	Community	Purchased surface water
13	Starr WSC	Grayson	3,100	Community	Groundwater
14	Pink Hill WSC	Grayson	2,835	Community	Groundwater
15	City of Gunter	Grayson	2,772	Community	Groundwater
16	City of Pottsboro	Grayson	2,571	Community	Purchased surface water
17	Marilee Elmont	Grayson	2,448	Community	Groundwater
18	Rra Preston Shores Water System	Grayson	2,277	Community	Surface water
19	City of Bells	Grayson	2,101	Community	Groundwater
20	Sherwood Shores	Grayson	2,031	Community	Groundwater
21	Ridgecrest Water System	Grayson	1,968	Community	Purchased surface water
22	City of Collinsville	Grayson	1,866	Community	Groundwater
23	City of Dorchester	Grayson	1,696	Community	Groundwater
24	City of Whitewright	Grayson	1,638	Community	Groundwater
25	City of Knollwood	Grayson	1,353	Community	Purchased surface water
26	City of Tom Bean	Grayson	1,178	Community	Groundwater
27	Grandpappy Point Marina	Grayson	1,027	Non-transient non-community	Groundwater
28	Highport Marina & Resort	Grayson	1,000	Non-transient non-community	Purchased groundwater
29	City of Tioga	Grayson	938	Community	Groundwater
30	Texins Lake Texoma Club	Grayson	744	Transient non-community	Groundwater
31	City of Southmayd Westview Subdivision	Grayson	738	Community	Groundwater
32	Rock Creek Resort	Grayson	513	Community	Groundwater
33	City of Southmayd	Grayson	489	Community	Groundwater
34	City of Sadler	Grayson	483	Community	Groundwater
35	Rocky Point Estates	Grayson	441	Community	Purchased surface water
36	Thompson Heights Water System	Grayson	414	Community	Purchased surface water
37	Georgetown Baptist Church	Grayson	400	Non-transient non-community	Groundwater
38	Franks Restaurant	Grayson	315	Transient non-community	Groundwater
39	Big Mineral Camp Resort	Grayson	300	Transient non-community	Groundwater
40	Northern Hills Water Service	Grayson	264	Community	Purchased surface water
41	Sheppard Afb Recreational Annex	Grayson	253	Transient non-community	Groundwater
42	Texoma Estates WSC	Grayson	216	Community	Groundwater
43	Texoma Marina and Resort	Grayson	180	Transient non-community	Groundwater
44	Flowing Wells Resort	Grayson	174	Transient non-community	Groundwater
45	American Legion Mia Post 231	Grayson	141	Community	Purchased surface water
46	Heritage Estates	Grayson	138	Community	Groundwater
47	3-D Mobile Home and Rv Park	Grayson	90	Community	Groundwater
48	Munson Point Property Owners Association	Grayson	87	Community	Purchased surface water
49	Twu Water Hauler Pottsboro	Grayson	25	Transient non-community	Purchased surface water