Water Quality in Madera, CA (93643)
EPA violation data for public water systems serving ZIP code 93643.
Active Health Violations
35 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 89% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,041
Population
19
Water Systems
44
Violations (5yr)
35
Health-Based
Location
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Water Systems Serving This Area (19)
City Of Madera
Sierra Linda Mutual Water Co
31 health-basedSnowline
North Fork Center
Cascadel Mutual Water System
California Vipassana Center
Cedar Spring Retreat Center
All resolvedFran S Friendly Kitchen
Weatherly Mutual Water Company
Cochran Water System
South Fork Mhp Water System
Bass Fork Star
Leisure Acres Mutual Water Company
4 health-basedConnie S Kitchen
Cantina Water System
All resolvedBuckhorn Bar And Restaurant
Matthew S Cottonwood Crk Baker
North Fork Community Development Council
Bass Lake Mhp
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.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Madera (93643) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 44.
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.