Denton County, Texas — public water systems

89 active public water systems serve Denton County, reporting 809.9K people served.

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

Active systems

Population served

809.9K

Community systems

Groundwater share

67.4%

Water systems in Denton County

Active public water systems in Denton County, Texas
#	Water system	County	Population served	Type	Source
1	City of Denton	Denton	150,037	Community	Surface water
2	City of Lewisville	Denton	140,880	Community	Surface water
3	Mustang Sud	Denton	110,826	Community	Purchased surface water
4	Town of Flower Mound	Denton	80,000	Community	Purchased surface water
5	City of the Colony	Denton	45,367	Community	Purchased surface water
6	Town of Little Elm	Denton	41,000	Community	Purchased surface water
7	City of Corinth	Denton	23,213	Community	Purchased surface water
8	Lake Cities Municipal Utility Authority	Denton	17,826	Community	Purchased surface water
9	City of Highland Village	Denton	16,500	Community	Purchased surface water
10	Trophy Club MUD 1	Denton	13,649	Community	Purchased surface water
11	Denton County Fwsd 7	Denton	13,325	Community	Purchased surface water
12	Argyle WSC	Denton	12,720	Community	Purchased surface water
13	Bolivar WSC	Denton	11,901	Community	Groundwater
14	Town of Northlake	Denton	10,430	Community	Purchased surface water
15	City of Roanoke	Denton	10,127	Community	Purchased surface water
16	City of Sanger	Denton	9,650	Community	Purchased surface water
17	Cross Timbers WSC	Denton	8,751	Community	Purchased surface water
18	City of Pilot Point	Denton	7,836	Community	Groundwater
19	City of Justin	Denton	7,537	Community	Purchased surface water
20	Town of Providence Village	Denton	7,128	Community	Purchased surface water
21	City of Krum	Denton	6,062	Community	Purchased surface water
22	Frisco West Wcid	Denton	5,805	Community	Purchased surface water
23	Denton County Fwsd 11-A	Denton	5,160	Community	Purchased surface water
24	Elm Ridge Wcid	Denton	5,061	Community	Purchased surface water
25	City of Aubrey	Denton	4,058	Community	Groundwater
26	Tpwd Ray Roberts Lake Isle Dubois	Denton	4,056	Transient non-community	Groundwater
27	Denton County Fwsd 11-B	Denton	3,897	Community	Purchased surface water
28	Denton County Fwsd 8-B	Denton	3,090	Community	Purchased surface water
29	City of Hackberry	Denton	2,979	Community	Purchased surface water
30	Denton County Fwsd 8-A	Denton	2,955	Community	Purchased surface water
31	Town of Ponder	Denton	2,711	Community	Groundwater
32	Hilltown Addition	Denton	2,184	Community	Groundwater
33	Denton County Fwsd 11-C	Denton	1,977	Community	Purchased surface water
34	Black Rock WSC	Denton	1,680	Community	Groundwater
35	Trail Creek Water System	Denton	1,509	Community	Groundwater
36	Shale Creek Community	Denton	1,470	Community	Groundwater
37	Foxbane Combined Ws	Denton	1,455	Community	Groundwater
38	South Fork Mobile Home Park	Denton	1,050	Community	Groundwater
39	Green Springs WSC	Denton	858	Community	Groundwater
40	Big Sky MUD	Denton	813	Community	Groundwater
41	Camp Copass	Denton	800	Transient non-community	Groundwater
42	Town of Lakewood Village	Denton	795	Community	Groundwater
43	Wren Water System	Denton	759	Community	Groundwater
44	Stony Hills Water System	Denton	723	Community	Groundwater
45	Cinnamon Ridge	Denton	501	Community	Groundwater
46	Saratoga Estates	Denton	483	Community	Groundwater
47	Wynnwood Haven Estates	Denton	459	Community	Groundwater
48	Ponderosa Ranch	Denton	456	Community	Groundwater
49	The Campsite Rv Park	Denton	447	Transient non-community	Groundwater
50	Harbor Grove WSC	Denton	405	Community	Groundwater