Water Quality in San Diego, CA (91902)
EPA violation data for public water systems serving ZIP code 91902.
No Health-Based Violations
None of the 9 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are10 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
17,698
Population
9
Water Systems
10
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (9)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
Palomar Mountain Mutual Water Co.
All resolvedOld West Mobile Home Park
Contaminants Found
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 Diego (91902) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.