ZIP Code 77019 Water Quality

Texas · 468,450 people served · 90 water systems

Failing

ZIP code 77019 is in Texas and is a large city from a drinking-water-service perspective, with 468,450 people served by 90 EPA-registered public water systems. It corresponds to HOUSTON.

Within ZIP code 77019, the EPA Safe Drinking Water Information System (SDWIS) records 63 health-based violations during the past five years across 90 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.

Last updated: 2026-05-18 · Source: EPA SDWIS

ZIP Code Location

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Cities in ZIP 77019

HOUSTON

Water Systems Serving 77019

RICHEY ROAD MUD

PWSID: TX1011929

579 served

HARRIS COUNTY FWSD 45

PWSID: TX1010545

504 served

NORTHWEST HARRIS COUNTY MUD 6

PWSID: TX1011008

2,256 served

HARRIS COUNTY MUD 155

PWSID: TX1012351

2,829 served

MEADOWHILL REGIONAL MUD

PWSID: TX1010387

13,863 served

SPANISH COVE PUD

PWSID: TX1010389

357 served

HARRIS COUNTY MUD 185

PWSID: TX1011914

4,617 served

SPRING CREEK FOREST PUD

PWSID: TX1010390

2,472 served

FAR HILLS UTILITY DISTRICT

PWSID: TX1700011

1,596 served

SPORTSMANS WORLD MUD

PWSID: TX1820050

672 served

HARRIS COUNTY WCID 136

PWSID: TX1010355

3,192 served

TIMBER LANE UTILITY DISTRICT

PWSID: TX1010278

24,507 served

HARRIS COUNTY MUD 1

PWSID: TX1010539

12,342 served

HARRIS COUNTY MUD 173

PWSID: TX1012971

3,894 served

HARRIS COUNTY MUD 220

PWSID: TX1013321

1,773 served

HARRIS COUNTY MUD 368

PWSID: TX1011908

11,835 served

HARRIS COUNTY MUD 371

PWSID: TX1013107

2,577 served

FORT BEND COUNTY MUD 152

PWSID: TX0790487

4,575 served

HARRIS COUNTY MUD 275

PWSID: TX1012496

1,428 served

HARRIS COUNTY MUD 196

PWSID: TX1013002

7,026 served

HARRIS COUNTY MUD 216

PWSID: TX1012577

3,627 served

HUNTERS GLEN MUD

PWSID: TX1010615

9,405 served

NORTHWEST HARRIS COUNTY MUD 9

PWSID: TX1011599

7,848 served

NORTHWEST HARRIS COUNTY MUD 12

PWSID: TX1011901

7,839 served

RAYFORD ROAD MUD

PWSID: TX1700334

11,550 served

NORTHWEST HARRIS COUNTY MUD 5

PWSID: TX1010884

23,766 served

WEST HARRIS COUNTY MUD 4

PWSID: TX1011825

1,581 served

LAKE CONROE HILLS MUD

PWSID: TX1700140

2,058 served

MONTGOMERY COUNTY MUD 19

PWSID: TX1700319

4,422 served

RANKIN ROAD WEST MUD

PWSID: TX1012354

2,838 served

RIVER RANCH MUD 1

PWSID: TX1460189

0 served

LAZY RIVER IMPROVEMENT DISTRICT

PWSID: TX1700039

672 served

WEST HARRIS COUNTY MUD 7

PWSID: TX1012228

5,289 served

HARRIS COUNTY MUD 33

PWSID: TX1011162

5,181 served

TATTOR ROAD MUD

PWSID: TX1010625

5,400 served

SEQUOIA IMPROVEMENT DISTRICT

PWSID: TX1010205

1,038 served

HARRIS COUNTY MUD 104

PWSID: TX1011534

4,449 served

RIVER RANCH MUD 3

PWSID: TX1460191

225 served

HARRIS COUNTY MUD 502

PWSID: TX1013494

5,487 served

HARRIS COUNTY WCID 113 ENCHANTED VILLAGE

PWSID: TX1010274

1,233 served

REID ROAD MUD 1

PWSID: TX1010872

6,969 served

SOUTHERN MONTGOMERY COUNTY MUD

PWSID: TX1700073

13,372 served

HARRIS COUNTY MUD 48

PWSID: TX1010896

483 served

FORT BEND COUNTY MUD 19

PWSID: TX0790155

1,479 served

CHAMPIONS MUD

PWSID: TX1010233

4,098 served

SUNBELT FWSD NORTHLINE TERRACE

PWSID: TX1010117

3,225 served

SUNBELT FWSD WOODLAND OAKS SUBDIVISION

PWSID: TX1010758

4,578 served

SUNBELT FWSD HEATHER GLEN SUBDIVISION

PWSID: TX1010419

2,943 served

SUNBELT FWSD OAKWILDE SUBDIVISION

PWSID: TX1010022

6,819 served

SUNBELT FWSD OAKGLEN SUBDIVISION

PWSID: TX1010188

684 served

About ZIP-code water data

Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.