Water Quality in Hanford, CA (93245)
EPA violation data for public water systems serving ZIP code 93245.
Active Health Violations
19 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 91% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
37,971
Population
27
Water Systems
53
Violations (5yr)
19
Health-Based
Location
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Water Systems Serving This Area (27)
Hanford, City Of
1 health-basedLemoore, City Of
13 health-basedCorcoran, City Of
Lemoore Naval Air Station
Avenal, City Of
5 health-basedSanta Rosa Tachi Palace
Adolfo'S
Fireside Restaurant
Fleet Reserve Association
Santa Rosa Rancheria
Wsl - Surf Ranch
Island Union School
Sunset Vista Estates Mhp
Horizon Mobile Home Park
Central Union Elementary
Jackson Lakes Golf Course
Tom S Meat Service
Martin S Meat Processing
Boston Ranch J G Voswell Co
Buy & Split
Santa Rosa Rancheria
Azcal Management Co
Kings Rest Motel
41 Cafe
Lemoore Marina - Inactive
Eva S Phillipine American Food
Kwik Break Deli Mart
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Hanford (93245) has more violations than 91% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 53.
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.