VerifiedWaterFilterData

← All California cities

Local water quality

Water quality in Hawthorne, California

3 public water systems · PFAS detected · EPA data

The bottom line

EPA records for the water serving Hawthorne, California show Lead. A filter independently certified to reduce those exact contaminants is the most direct fix.

What's in Hawthorne's water

Contaminants EPA has recorded across Hawthorne's water systems, and how many certified filters remove each.

Lead 757 certified filters →

Water systems serving Hawthorne

Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.

GSWC - SOUTHWEST
277,740 people served
1 contaminant · report →
GOLDEN STATE WATER COMPANY - ORCUTT
34,102 people served
1 contaminant · report →
GOLDEN STATE WATER COMPANY - LOS OSOS
5,924 people served
1 contaminant · 4 PFAS · report →

Filter your Hawthorne water

Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.

Get my exact water report Which filter is right for me?