ZIP Code 77046 Water Quality

Texas · 232,577 people served · 62 water systems

Failing

ZIP code 77046 is in Texas and is a mid-sized community from a drinking-water-service perspective, with 232,577 people served by 62 EPA-registered public water systems. It corresponds to HOUSTON.

Within ZIP code 77046, the EPA Safe Drinking Water Information System (SDWIS) records 39 health-based violations during the past five years across 62 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 77046

HOUSTON

Water Systems Serving 77046

HARRIS COUNTY MUD 11

PWSID: TX1010426

3,645 served

HARRIS COUNTY MUD 46

PWSID: TX1010903

5,418 served

NORTH MISSION GLEN MUD

PWSID: TX0790174

8,730 served

MILLS ROAD MUD

PWSID: TX1011107

6,717 served

LOUETTA NORTH PUD

PWSID: TX1011870

4,836 served

ROLLING CREEK UTILITY DISTRICT

PWSID: TX1012877

5,388 served

CHELFORD CITY MUD

PWSID: TX1010782

8,917 served

MONTGOMERY COUNTY MUD 139

PWSID: TX1700832

5,523 served

FORT BEND COUNTY MUD 134A

PWSID: TX0790477

0 served

FULSHEAR MUD 3A

PWSID: TX0790560

5,421 served

NORTHWEST HARRIS COUNTY MUD 21

PWSID: TX1011744

2,493 served

LAKE MUD

PWSID: TX1011741

6,048 served

HARRIS COUNTY MUD 565

PWSID: TX1013663

45 served

CHIMNEY HILL MUD

PWSID: TX1010910

5,409 served

CHARTERWOOD MUD

PWSID: TX1010632

5,832 served

MONTGOMERY COUNTY UD 4

PWSID: TX1700286

4,980 served

NORTHWEST HARRIS COUNTY MUD 29

PWSID: TX1012293

3,000 served

FORT BEND COUNTY MUD 134D

PWSID: TX0790562

105 served

HARRIS COUNTY MUD 102

PWSID: TX1010503

10,401 served

BIG OAKS MUD

PWSID: TX0790332

6,450 served

LUCE BAYOU PUD

PWSID: TX1010378

1,083 served

MONTGOMERY COUNTY MUD 112

PWSID: TX1700762

5,454 served

EAST MONTGOMERY COUNTY MUD 6

PWSID: TX1700753

3,939 served

FORT BEND COUNTY MUD 222

PWSID: TX0790607

3,582 served

FORT BEND COUNTY MUD 134E

PWSID: TX0790574

2,733 served

CINCO MUD 8

PWSID: TX0790324

5,613 served

FORT BEND COUNTY MUD 188

PWSID: TX0790614

54 served

HARRIS COUNTY MUD 213-A

PWSID: TX1013695

1,926 served

NORTHGATE CROSSING MUD 2

PWSID: TX1013078

3,753 served

BLAKETREE MUD 1

PWSID: TX1700784

336 served

MONTGOMERY COUNTY MUD 16 WHITE OAK PLANT

PWSID: TX1700164

627 served

FORT BEND COUNTY WCID 8

PWSID: TX0790479

126 served

HARRIS COUNTY MUD 578

PWSID: TX1013764

576 served

MONTGOMERY COUNTY UD 2

PWSID: TX1700115

3,381 served

LAGO BELLO MUD 1A

PWSID: TX1013763

297 served

MONTGOMERY COUNTY MUD 111

PWSID: TX1700883

2,502 served

HARRIS COUNTY MUD 465

PWSID: TX1013674

1,026 served

BEAVER CREEK WCID 1

PWSID: TX0260052

1,407 served

FORT BEND COUNTY MUD 182

PWSID: TX0790500

10,498 served

BRAZORIA - FORT BEND COUNTIES MUD 3

PWSID: TX0790597

4,149 served

EAST MONTGOMERY COUNTY MUD 5

PWSID: TX1700829

0 served

HARRIS COUNTY WCID 92

PWSID: TX1010124

4,752 served

FORT BEND COUNTY MUD 246

PWSID: TX0790609

45 served

GRAND MISSION MUD 2

PWSID: TX0790449

6,285 served

EAST MONTGOMERY COUNTY MUD 7

PWSID: TX1700881

4,035 served

EL DORADO UTILITY DISTRICT

PWSID: TX1010471

3,591 served

OAKMONT PUD

PWSID: TX1012981

3,450 served

TERRANOVA WEST MUD

PWSID: TX1011226

3,120 served

NORTHWEST HARRIS COUNTY MUD 36

PWSID: TX1012848

3,648 served

HEATHERLOCH MUD

PWSID: TX1010548

6,612 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.