Water Quality in San Diego, CA (92040)
EPA violation data for public water systems serving ZIP code 92040.
No Health-Based Violations
None of the 16 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are13 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 72% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
46,216
Population
16
Water Systems
13
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (16)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
Lakeside Wd
All resolvedBarona
All resolvedBarona North
All resolvedSutherland Reservoir Recreation Area
All resolvedFeatherstone Canyon Christian Camp
All resolvedHodges Reservoir Recreation Area
Star Rt 2 Santa Ysabel 92054
Erreca'S Associates
Riverview Wd
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
San Diego (92040) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13, 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.