Where Carlsbad's tap water comes from
EPA records tie Carlsbad to 3 water systems. Your water bill names the one that serves your address.
San Diego County · Population 113,575
Water systems for Carlsbad
Carlsbad Municipal Water District
PWSID CA3710005 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 77% of Carlsbad's homes are inside Carlsbad Municipal Water District's service area (EPA service-area map).
Full water report for Carlsbad Municipal Water DistrictCarlsbad Municipal Water District: contact and record
Olivenhain Municipal Water District
PWSID CA3710029 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 18% of Carlsbad's homes are inside Olivenhain Municipal Water District's service area (EPA service-area data).
Full water report for Olivenhain Municipal Water DistrictOlivenhain Municipal Water District: contact and record
Vallecitos Water District
PWSID CA3710002 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 5% of Carlsbad's homes are inside Vallecitos Water District's service area (EPA service-area data).
Full water report for Vallecitos Water DistrictVallecitos Water District: contact and record
System-level records from EPA. Not a test of your tap.
ZIP codes in Carlsbad
A ZIP code is a postal area, not a water service area. Your water bill names your supplier.