Water Quality in Fresno, CA (93711)
EPA violation data for public water systems serving ZIP code 93711.
Active Health Violations
7 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 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
39,245
Population
25
Water Systems
10
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (25)
City Of Fresno
City Of Clovis
Tom Pistachio Water System
Bsa/Camp Chawanakee
Bear Flag Farms
Fig Garden Golf Course
San Joaquin Country Club
Kelso Activity Center
Lab School Of Natural Sciences
United States Border Patrol
99 Palms Inn And Suites
All resolvedBsa/Sequoia Council
Half Moon Camp
San Joaquin Country Club
Valley Teen Ranch
5 health-basedPappas & Co (Mendota)
2 health-basedGranville Farms, Llc
Ez Trip Truck Stop
Brown Water System
E-Z Trip
Rock Haven, Inc.
Pappas & Co (Coalinga)
Shady Acre Trailer Park
Golden State Trailer Park
Felger Farms - Inactive
Contaminants Found
A naturally occurring element that can cause cancer and other health effects at high levels.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Fresno (93711) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.