Home/ZIP Codes/93230

Tap Water Quality in Hanford, California (ZIP 93230)

Serving Hanford, California

Safe

All contaminants within safe levels

City

170+

Tested

Above Guidelines

Utilities

Is the Tap Water Safe in Hanford, California?

Tap water in Hanford, California (ZIP 93230) currently meets all EPA Maximum Contaminant Level Goals (MCLGs). All 170+ contaminants tested are within safe levels according to health-based guidelines.

ZIP 93230 is served by 2 water utilities providing water to Hanford. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.

How does California water quality rank nationally? →Get your water tested in California →

Water Quality Report for ZIP 93230

All Contaminants Within Safe Levels

All 170+ tested contaminants are below EPA health-based guidelines (MCLGs).

Water Utilities Serving ZIP 93230

HANFORD, CITY OF

People Served:

62,127

Contact:

559-585-2567

Water Source:

Groundwater

Contaminants Tested:

168

HARDWICK WATER COMPANY

People Served:

Contact:

559-852-3727

Water Source:

Groundwater

Contaminants Tested:

Your Water Quality Can Change

New EPA violations, contaminant spikes, and filter recommendations for your area — we'll email you when it matters.

Free forever. Unsubscribe anytime. We never share your email.

Need contact data for these utilities?

Frequently Asked Questions about Hanford Tap Water

Is the tap water safe in Hanford, California (ZIP 93230)?

Tap water in Hanford, California (ZIP 93230) currently meets all EPA Maximum Contaminant Level Goals (MCLGs). All 170+ contaminants tested are within safe levels according to health-based guidelines.

Which water utilities serve ZIP code 93230?

ZIP code 93230 is served by 2 water utilities: HANFORD, CITY OF, HARDWICK WATER COMPANY.

How do I pay my water bill in Hanford (ZIP 93230)?

HANFORD, CITY OF (the largest utility serving ZIP 93230) handles billing for most Hanford addresses. Call 559-585-2567 to pay your bill or set up online payments. Other utilities serve smaller pockets of this ZIP — check the utility list below if you don't recognize HANFORD, CITY OF.

What contaminants are in Hanford water (ZIP 93230)?

All 170+ contaminants tested in ZIP 93230 are within EPA health-based guidelines. Water quality is considered safe.

Should I use a water filter in Hanford (ZIP 93230)?

While water in ZIP 93230 meets EPA guidelines, many people choose to use water filters for additional protection and improved taste. NSF-certified filters are always recommended.

What cities are in ZIP code 93230?

ZIP code 93230 serves Hanford, California.

How we built this page

Water-quality data on this page comes from public federal and state records for the 2 utilityies serving ZIP 93230. We refresh each utility's record whenever its underlying source publishes new data.

Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
Annual reports: the most recent published Consumer Confidence Report (CCR) from each utility serving this ZIP, where available.
Service area & contact: EPA SDWIS plus the California Department of Environmental Protection / Drinking Water program.

Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.

Spotted something off on this page?

Residents keep our data honest.