Water quality in Lewisville, Texas
Lewisville is in Denton County. 93 active public water systems serve the county; 68 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Denton County
81 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Creekside Water System |
1,752 | 1 | 4.3 mi | |
| City of Highland Village |
16,500 | 2 | 5.5 mi | |
| City of the Colony |
45,367 | 0 | 5.8 mi | |
| Wynnwood Haven Estates |
459 | 0 | 5.9 mi | |
| Rocky Point Water System |
168 | 4 | 6.1 mi | |
| Harbor Grove WSC |
405 | 2 | 6.1 mi | |
| Town of Lakewood Village |
795 | 4 | 6.3 mi | |
| Rocky Point Community |
384 | 2 | 6.4 mi | |
| Spanish Oaks Addition |
111 | 1 | 6.4 mi | |
| Lake Cities Municipal Utility Authority |
17,826 | 2 | 6.6 mi | |
| Boyd Acres Water System |
72 | 3 | 6.7 mi | |
| Saratoga Estates |
483 | 2 | 6.8 mi | |
| Town of Flower Mound |
80,000 | 1 | 7.6 mi | |
| City of Hackberry |
9,593 | 3 | 8.0 mi | |
| Hilltown Addition |
2,439 | 4 | 8.3 mi | |
| City of Corinth |
23,213 | 1 | 8.3 mi | |
| Cross Timbers WSC |
8,751 | 4 | 8.5 mi | |
| Denton County Fwsd 7 |
12,837 | 2 | 8.7 mi | |
| Town of Little Elm |
43,348 | 2 | 9.1 mi | |
| Knob Hill Water System Denton |
234 | 6 | 9.2 mi | |
| Hidden Valley Water System |
186 | 4 | 9.6 mi | |
| Old Alton Water |
69 | 5 | 9.8 mi | |
| Red Rock WSC |
159 | 4 | 10.0 mi | |
| Vacation Village |
1,122 | 2 | 11.0 mi | |
| Frisco West Wcid |
5,805 | 0 | 12.0 mi |
Non-community systems in Denton County (11: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Northshore Club |
72 | 1 | 0 | |
|
Camp Copass |
800 | 1 | 1 | |
|
Oldcastle Northlake Plant |
60 | 3 | 0 | |
|
Iaa Fort Worth North |
176 | 5 | 2 | |
|
Ventura Luxury RV Community |
255 | 0 | 0 | |
|
Countryside RV Resort |
188 | 0 | 0 | |
|
Als Convenience 5 |
100 | 1 | 0 | |
|
The Campsite RV Park |
447 | 1 | 1 | |
|
Tpwd Ray Roberts Lake Isle Dubois |
4,056 | 2 | 1 | |
|
Hidden Cove Park |
264 | 2 | 1 | |
|
Northlake Acres |
33 | 0 | 0 |
About this data
Water systems are matched to Denton County, nearest to Lewisville first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Texas records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.