Water Quality in Houston, TX (77365)
EPA violation data for public water systems serving ZIP code 77365.
Active Health Violations
27 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.
46,418
Population
55
Water Systems
112
Violations (5yr)
27
Health-Based
Location
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Water Systems Serving This Area (55)
City Of Houston
1 health-based Surface water 2,970,543 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 5 ppb (limit: 15 ppb) ✓
City Of Pasadena
Purchased surface water 152,000 people served
3 violations (5yr)
Lead tested: 3.72 ppb (limit: 15 ppb) ✓
City Of Conroe
Purchased surface water 113,912 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Porter Special Utility District
Groundwater 26,388 people served
0 violations
Lead tested: 0.59 ppb (limit: 15 ppb) ✓
Timberland Estates
1 health-based Groundwater 2,886 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Deer Glen Water System
1 health-based Groundwater 1,539 people served
5 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0.68 ppb (limit: 15 ppb) ✓
Country West
1 health-based Groundwater 1,188 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0.85 ppb (limit: 15 ppb) ✓
Forest Trace
1 health-based Groundwater 1,000 people served
4 violations (5yr)
· 1 health-based
Lead tested: 0.59 ppb (limit: 15 ppb) ✓
Porter W. S. C.-North Country
Groundwater 750 people served
0 violations
Ponderosa Pines Water System
1 health-based Groundwater 735 people served
7 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0.76 ppb (limit: 15 ppb) ✓
Bennett Woods
1 health-based Groundwater 435 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Live Oak Estates
1 health-based Groundwater 420 people served
3 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Lilliput Farms Water System
1 health-based Groundwater 408 people served
3 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Oak Tree Subdivision
1 health-based Groundwater 360 people served
4 violations (5yr)
· 1 health-based · All resolved
Whispering Pines
1 health-based Groundwater 351 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 1.32 ppb (limit: 15 ppb) ✓
Emerald Woods
1 health-based Groundwater 336 people served
4 violations (5yr)
· 1 health-based · All resolved
Western Hills Crystal Springs Water
1 health-based Groundwater 330 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 1.11 ppb (limit: 15 ppb) ✓
White Oak Hills
1 health-based Groundwater 315 people served
4 violations (5yr)
· 1 health-based
Lead tested: 2.31 ppb (limit: 15 ppb) ✓
Summer Hills Subdivision
Groundwater 276 people served
0 violations
Tower Glen Estates
1 health-based Groundwater 255 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0.77 ppb (limit: 15 ppb) ✓
Country Estates Water System
Groundwater 240 people served
0 violations
Crystal Springs Water Company Chasewood
1 health-based Groundwater 195 people served
4 violations (5yr)
· 1 health-based
Lead tested: 0.35 ppb (limit: 15 ppb) ✓
Lake Louise Subdivision
1 health-based Groundwater 192 people served
4 violations (5yr)
· 1 health-based
Lead tested: 1.4 ppb (limit: 15 ppb) ✓
Monterrey Oaks
1 health-based Groundwater 180 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 1.07 ppb (limit: 15 ppb) ✓
Oak Creek Ii
1 health-based Groundwater 144 people served
4 violations (5yr)
· 1 health-based
Lead tested: 0.37 ppb (limit: 15 ppb) ✓
Chaparral Place Water System
1 health-based Groundwater 135 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Lake Creek Falls
1 health-based Groundwater 129 people served
5 violations (5yr)
· 1 health-based
Lead tested: 2.97 ppb (limit: 15 ppb) ✓
Autumn Acres Water System
1 health-based Groundwater 129 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 1.32 ppb (limit: 15 ppb) ✓
Tower Woods
1 health-based Groundwater 108 people served
4 violations (5yr)
· 1 health-based · All resolved
Wildwood Subdivision
Purchased groundwater 108 people served
0 violations
Winchester Place
1 health-based Groundwater 84 people served
4 violations (5yr)
· 1 health-based · All resolved
Ceal Mobile Home Park
Groundwater 84 people served
0 violations
J & B Cafe
Groundwater 80 people served
0 violations
Woodridge Estates Water System
1 health-based Groundwater 69 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
B'S Quick Stop No 2
Groundwater 60 people served
0 violations
Homestead Bar
Groundwater 60 people served
0 violations
Rocking Horse Day Care Ctr. Ii
Groundwater 52 people served
0 violations
Pine Forest Motel & Restaurant
Groundwater 52 people served
0 violations
Zipp'S Grocery-Fm 1314
Groundwater 50 people served
0 violations
Johnny'S Drive Inn-(John Dudas
Groundwater 50 people served
0 violations
The Oaks
1 health-based Groundwater 48 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0.7 ppb (limit: 15 ppb) ✓
Kellys Mhp
Groundwater 42 people served
0 violations
Village Civic Club
Groundwater 40 people served
0 violations
Jones Cafe
Groundwater 40 people served
0 violations
Sears Subdivision
Groundwater 36 people served
0 violations
1485 Limited Crystal Springs Water Co
1 health-based Groundwater 33 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
North Country
Groundwater 30 people served
0 violations
Westwood Estates
Groundwater 26 people served
0 violations
Shadow Lane
Groundwater 26 people served
0 violations
White Rock
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Walker Road Estates
Groundwater 1 people served
0 violations
Rolling Hills Oaks Subdivision
Groundwater 0
0 violations
Rv208
Groundwater 0
0 violations
Afton Park Water System
Groundwater 0
0 violations
Bokeeters Cocktail Bar
Groundwater 0
0 violations
Contaminants Found
LEAD AND COPPER RULE REVISIONSHealth-Based
52 violations
Has active
Interim Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
28 violations
All resolved
Public NoticeMonitoring
26 violations
Has active
E. COLIMonitoring
2 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
2 violations
All resolved
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jul 2025
How Does This Compare?
Houston (77365) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 112.
Fewer violations 95th percentile More violations
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.