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Winton, California: Is the Tap Water Safe to Drink?

2026 EPA water quality data for 6 community water systems serving 10,689+ residents. See violations, PFAS results, lead test results, and safety grades — free.

Is Winton Tap Water Safe to Drink?

Winton currently has 1 active health-based violation across 1 of its 6 water systems. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.

Winton Water Quality Overview

Winton, California is served by 6 community water systems providing water to approximately 10,689 residents. These systems draw from groundwater sources. 1 active health-based violation across Winton water systems require attention. Including monitoring and reporting violations, there are 23 total violations on record.

6
Water Systems
19
Health Violations
5/6
Rated A or B
💧 Filter Guide📖 Violations Explained📄 Read Your CCR

Find Your Water System

Search by ZIP code to find your exact water provider and see its full EPA report.

All 6 water systems in Winton

WINTON WATER & SANITARY DIST F
WINTON, CA · 9,745 people · Groundwater ⚠ 1 active health violation
DELHI KINGDOM HALL A
WINTON, CA · 452 people · Groundwater ✓ No recent health violations
WASHINGTON SCHOOL A
WINTON, CA · 338 people · Groundwater ✓ No recent health violations
GRACE MENNONITE SCHOOL A
WINTON, CA · 100 people · Groundwater ✓ No recent health violations
OXXO MINI MART A
WINTON, CA · 29 people · Groundwater ✓ No recent health violations
PACIFIC UNION PACKING A
WINTON, CA · 25 people · Groundwater ✓ No recent health violations

Looking for water quality data across the whole state? See our full California tap water safety report covering California’s EPA-regulated water systems.

Winton Drinking Water: Frequently Asked Questions

Is Winton, California tap water safe to drink?

Winton currently has 1 active health-based violation across 1 of its 6 water systems. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.

How many water utilities serve Winton, California?

6 community water systems serve Winton, California, providing water to approximately 10,689 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Winton tap water have lead?

Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.

What contaminants have been found in Winton drinking water?

EPA violation records for Winton water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.

How do I find out which water company serves my address in Winton?

Enter your Winton ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).