Tapcensus

Water quality for ZIP code 77070

ZIP 77070 covers Houston in Harris County, Texas, one of 132 ZIP codes in the county. 1,320 active public water systems serve the county; 679 had an EPA violation in the past three years.

Most likely your provider

Harris County MUD 230 TX1012740 · Community water system · Surface water purchased
Serves 10,404 people Rules violated, past 3 years 0 Last sanitary survey Dec 20, 2024 Distance 0.5 mi

Your location is within the outer bounds of this system's EPA service area.

View system details EPA facility report

Other community water systems in Harris County

713 systems, nearest first
SystemServesStatusRules violated, 3 yrDistance
Cypress Forest Water System
 396 0 0.3 mi
Cypress Creek Utility District
 2,988 0 0.5 mi
Harris County MUD 286
 879 1 0.9 mi
Harris County MUD 468
 7,944 1 1.0 mi
Prestonwood Forest Utility District
 5,940 1 1.0 mi
Villas of Willowbrook
 276 1 1.2 mi
Mills Road MUD
 6,717 1 1.5 mi
Lake Forest Utility District
 6,201 0 1.6 mi
Charterwood MUD
 5,832 0 1.6 mi
Northwest Harris County MUD 9
 8,886 2 1.7 mi
Grantwoods Water Supply Corporation
 78 0 1.7 mi
Harris County MUD 18 Heatherwood Hunters
 4,083 0 2.0 mi
Harris County MUD 191
 3,729 1 2.1 mi
Cedar Creek Forest Mobile Home Community
 195 0 2.1 mi
Malcomson Road Utility District
 7,231 0 2.1 mi
Winterhaven Subdivision
 138 0 2.2 mi
CY Champ Pud
 7,428 0 2.2 mi
Tall Pines Utility
 213 3 2.2 mi
Tower Oak Bend WSC
 399 0 2.3 mi
Brandywine Oaks
 135 1 2.3 mi
Cypress Place
 147 4 2.3 mi
Cypress Forest Pud
 3,912 0 2.3 mi
Emerald Forest Utility District
 7,326 2 2.4 mi
Cypress Crossing
 138 3 2.5 mi
Louetta North Pud
 4,848 0 2.5 mi
All 714 community water systems in Harris County
Non-community systems in Harris County (606: schools, campgrounds, workplaces, restaurants)

These systems serve places you visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Holes
 48 0 0
Zipps Liquor 37
 25 2 0
Handi Stop 89
 200 0 0
Texas Pride 249
 200 2 0
Champions Masjid
 350 0 0
Tower Oaks Shopping Center
 30 5 2
Bimboz Saloon
 100 3 1
S C Utilities
 500 2 1
The Springs Event Venue
 350 2 1
Cypress Bible Church
 949 1 0
Louetta Road Baptist Church
 90 0 0
Sheridan MJ & Son
 300 0 0
Barely Lane Business Park
 25 2 1
Little Promise Keepers
 40 0 0
Capital Insulation System
 60 0 0
Texan Mart Citgo
 150 0 0
T H Wharton Electric Generating Station
 60 0 0
Cutten Road Business Park
 30 1 0
Center Point Energy Control Data Ctr
 347 0 0
Greenwood Business Park
 250 2 1
Downhole Technology
 140 0 0
Theall Business Park
 250 3 0
District 249 Bar & Grill
 100 0 0
Crossbar Academy
 108 2 0
Anointed Faith Family Church
 293 0 0
Hollister Business Park
 25 8 0
Business Park III
 75 3 1
Windfern Park Water System
 600 2 0
Harris County MUD 170
 500 0 0
Grace Life Baptist Church
 25 0 0
Fuel Time
 25 0 0
Turk Brothers Building
 100 4 1
Dnow Process Solutions
 151 3 1
West Harris County MUD 21
 300 0 0
Rci Holdings
 25 3 0
Building Rainbows Day Care Center
 109 2 0
TD Industries Houston
 90 0 0
Spring Cypress Commerce Poa
 150 0 0
Sam Houston Shell
 275 1 0
14200 Stuebner Airline Office Warehouse
 48 4 1
Kmec Windfern
 70 0 0
Cypress Chevron
 50 3 0
Environmental Allies
 50 2 2
Hickory Hollow Restaurant
 250 0 0
Sahara Food Mart
 350 0 0
Tifco Industries
 100 0 0
Harvest Family Church of the Assemblies
 100 6 1
Therapy Village
 45 0 0
Telge Cypress Center
 50 0 0
Covenant Academy
 107 5 2
All non-community systems
About this data

Water systems are matched to Harris 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.