Water Quality in San Jose, CA (93307)
EPA violation data for public water systems serving ZIP code 93307.
Active Health Violations
22 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 85% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
85,945
Population
30
Water Systems
32
Violations (5yr)
22
Health-Based
Location
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Water Systems Serving This Area (30)
Cws - Bakersfield
Bakersfield, City Of
Kern County Fairgrounds
Greenfield County Wd
Bear Patch Enterprises Water
Bolthouse Fresh Foods
Casa Loma Water Co, Inc.
1 health-basedSun Met Farm Lands, Llc
Beacon Bar And Liquors
El Adobe Poa, Inc.
3 health-basedKern Energy
All resolvedCountryside Mkt & Restrnt - Comanche
Wilson Road Water Community
9 health-basedPanama Road Property Owners Assoc
East Wilson Road Water Company
5 health-basedHosking Avenue Swap Meet
Farmer John Egg Ranch #2
Wini Mutual Water Company
4 health-basedKendrick Water System
Budget Inn Motel Water System
Vr'S Trailer Park
Sig Hoffman Co
Turning Point Mother-Infant Program
Wm. Bolthouse Farms, Inc. - West Plant
Dairyman S/Cattleman S Beef Auction
Doney Street Neighborhood Assoc.
Mitchell'S Water System
Weedpatch Mutual Water Company
Kernita Park Mutual
Berkshire Mutual Water Association
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
San Jose (93307) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 32.
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.