Water Quality in Houston, TX (77357)
EPA violation data for public water systems serving ZIP code 77357.
Active Health Violations
6 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 86% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
37,592
Population
55
Water Systems
38
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (55)
City Of Houston
1 health-basedCity Of Pasadena
City Of Conroe
City Of Dayton
All resolvedNew Caney Mud
Roman Forest Consolidated Mud
New Caney High School
City Of Woodbranch Village
New Caney Elementary
Silver Trails
Roman Forest Pud 3
New Caney Mud - Twin Village
New Caney Truck Terminal, Inc.
Urban Market C-Store
Casey Ridge Grocery
Sherwood Heights Water System
Dance City
Nw Wtr Sys, Inc. Pecos Bend Tr
Oakley Subdivision No 2
Oakley Subdivision - No 1
Colemans Food Store
Holloway Sandwich Shop
Brandon Woods Water System
Holiday Forest
Ribsticker Restaurant
Met
All resolvedCaney Colony
Golden Cross Ranch
Overall'S Grocery And Market
Homestretch Club
Wimpy'S Burgers
T J'S
Steep Hollow Circle
Pine Forest Water System
Cut N Shoot Estates
Roman Forest Pud 4
4 health-basedDelynn Water System
1 health-basedSheiga Heights
East River Grocery
New Caney Isd - New Caney Admn
Melba'S Dcc
Whippoorwill Water System
J Js One Stop Grocery
Grounds Water Sys.
Country Roads Pizza
Natural Gas Pipeline Co Sta 302
Kingsway Inn
East Montgomery County Park Pct 4
East River Estates Water Supply
Montgomery County Pct 4 Security Communi
Garland Community Center
Old Casey Ridge Grocery
Magnolia Mobile Home Park
Jordan Aire Water System
East Montgomery County Mud 1
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
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)
Approaching limitSampled: Jul 2025
How Does This Compare?
Houston (77357) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 38.
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.