Water quality for ZIP code 78557
ZIP 78557 covers Hidalgo and McAllen in Hidalgo County, Texas, one of 29 ZIP codes in the county. 31 active public water systems serve the county; 25 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 Hidalgo County
24 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| City of Pharr |
79,715 | 0 | 4.9 mi | |
| McAllen Public Utility |
145,050 | 1 | 6.2 mi | |
| City of San Juan |
30,000 | 1 | 7.3 mi | |
| City of Mission |
77,058 | 2 | 7.7 mi | |
| City of Alamo |
21,065 | 2 | 9.0 mi | |
| Quiet Village II |
492 | 4 | 10.9 mi | |
| City of Donna |
18,720 | 2 | 11.7 mi | |
| Hidalgo County MUD 1 |
8,420 | 3 | 13.6 mi | |
| Military Hwy WSC Weslaco |
1,584 | 0 | 13.9 mi | |
| Military Hwy WSC Progreso |
12,198 | 0 | 14.5 mi | |
| Trails End Mobile Home Park |
200 | 2 | 15.7 mi | |
| City of Weslaco |
40,033 | 2 | 16.0 mi | |
| Agua SUD |
53,796 | 0 | 17.0 mi | |
| City of la Joya |
3,033 | 7 | 17.1 mi | |
| Llano Grande Lake Park West |
300 | 4 | 18.5 mi | |
| Llano Grande Lake Park East |
1,300 | 3 | 18.8 mi | |
| Sharyland WSC |
68,562 | 0 | 19.6 mi | |
| City of Elsa |
5,500 | 2 | 19.9 mi | |
| City of Mercedes |
16,258 | 3 | 20.6 mi | |
| City of Edcouch |
2,878 | 2 | 21.3 mi | |
| City of la Villa |
2,781 | 3 | 23.3 mi | |
| North Alamo WSC |
171,195 | 3 | 32.7 mi | |
| City of Edinburg |
85,224 | 3 | 33.2 mi | |
| Military Hwy WSC las Rusias |
17,943 | 2 | 34.2 mi |
Non-community systems in Hidalgo County (6: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Aqua Planet Water Park |
110 | 2 | 0 | |
|
Sleepy Hollow Trailer Park |
55 | 0 | 0 | |
|
Bentsen Grove Resort |
1,550 | 1 | 0 | |
|
Leisure World Mobile Home Community |
700 | 1 | 0 | |
|
Lazy Palms Ranch |
400 | 3 | 1 | |
|
Usda Moore Field |
100 | 1 | 1 |
About this data
Water systems are matched to Hidalgo County, the county this ZIP code lies in, nearest to the ZIP code's centre 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.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA 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.