Water Quality in Concord, CA (94583)
EPA violation data for public water systems serving ZIP code 94583.
Active Health Violations
11 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 74% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
39,583
Population
14
Water Systems
15
Violations (5yr)
11
Health-Based
Location
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Water Systems Serving This Area (14)
Contra Costa Water District
City Of Antioch
Brentwood
City Of Pittsburg
Chevron Self Serve 156072
Chevron Ss #72991
Laborers Training And Retraini
Martin'S Mobile Home Court
8 health-basedPg&E Oakhurst Service Center
1 health-basedMeridian Rd Ws #09
2 health-basedPg&E - Table Mountain
Chevron Products Co - Station #9-4377
Conglobal Industries
Devil Mountain Wholesale Nursery
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
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?
Concord (94583) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.