Water Quality in Houston, TX (77040)
EPA violation data for public water systems serving ZIP code 77040.
Active Health Violations
5 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 95% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
50,977
Population
46
Water Systems
87
Violations (5yr)
5
Health-Based
Location
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Water Systems Serving This Area (46)
City Of Houston
1 health-basedCity Of Pasadena
City Of Jersey Village
Hco Wcid No 71 Village On The
Harris County Mud 23
White Oak Manor Mobile Home Park
Flintlock Ltd Water System
Fair Lanes-Windfern
Tabor Tract
Jersey Meadow Golf Center
Gates Molded Products Inc
Exxon Service Station No 63047
First Stop Food Store
Tidewater Compression Svc-Fron
Xpo Logistics Freight Lhw
1 health-basedFilter Warehouse
1 health-basedDxp Enterprises
Zam Zam Water Supply
1 health-basedThe Links At Tennwood
David Weekley Homes Model Home Park
National Motel
Uncle Charlies Barbecue
Raines Tool Company
Texas Waste Systems
Flintlock Mobile Home Park - N
Safari Tacos
Tidewater Compression Svc Back
Cy Fair Tire
Schina'S Plaza
High Strength Steel
Walker-Kurth Lumber Co - Hwy 1
Old Days Club
A-D Grocery-P. Fritsche, Owene
Triple R Bar
Houston Fruitland
Sartin Strip Center
Four Seasons Center
3h Farms
1 health-based6711 Highway 332
All resolvedGuerra Apt
Willowbrook Subdivision
At&T Langham Creek
Rail Road Crossing
Ifco Systems North America
Metallic Products Corporation
All resolvedOyog Operations
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
Copper (Cu)
Exceeds limitSampled: Jan 2023
How Does This Compare?
Houston (77040) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 87.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.