Water Quality in San Diego, CA (91905)
EPA violation data for public water systems serving ZIP code 91905.
Past Health-Based Violations
2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 12 monitoring/reporting violations.
More violations than 73% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,683
Population
17
Water Systems
14
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (17)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
Chef'S Hat Restaurant
Lighthouse Baptist Church (Formerly Hipa
La Posta Upper
2 health-basedLa Posta Lower Community
All resolvedCalexico Lodge
All resolvedBoulevard Koa Drinking Water
Motel Buena Vista
Manzanita Horse Park
Boulevard Feed And Supply
Shady Oaks Trailer Ranch
All resolvedContaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
San Diego (91905) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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.