Water Quality in Hollister, CA (95024)
EPA violation data for public water systems serving ZIP code 95024.
Active Health Violations
3 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 60% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
13
Water Systems
7
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (13)
Rancho San Joaquin Mwc
3 health-basedWhittaker Ordinance (Holix)
Union Heights Mwc
Valenzuela Water System
All resolvedHerbert Ranch
Chamberlain Childrens Center
Eden Rift Winery
Chamberlain Water System
Scaglione Orchards
San Benito Cwd
Bonnie Brae Company
Harmony Hills Water System
Lico Labor Camp
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?
Hollister (95024) has more violations than 60% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7.
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.