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

2026 EPA water quality data for 32 community water systems serving 76,361+ residents. See violations, PFAS results, lead test results, and safety grades — free.

Is Turlock Tap Water Safe to Drink?

Turlock currently has 4 active health-based violations across 4 of its 32 water systems. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.

Turlock Water Quality Overview

Turlock, California is served by 32 community water systems providing water to approximately 76,361 residents. These systems draw from groundwater (29), surface water (2), surface water purchased (1) sources. 4 active health-based violations across Turlock water systems require attention. Including monitoring and reporting violations, there are 110 total violations on record.

32
Water Systems
79
Health Violations
28/32
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 32 water systems in Turlock

TURLOCK, CITY OF A
TURLOCK, CA · 72,682 people · Surface Water Purchased ✓ No recent health violations
OUR LADY OF ASSUMPTION CHURCH A
TURLOCK, CA · 1,000 people · Groundwater ✓ No recent health violations
SENSIENT NATURAL INGREDIENTS LLC A
TURLOCK, CA · 400 people · Groundwater ✓ No recent health violations
CHATOM SCHOOL (EH) F
TURLOCK, CA · 385 people · Groundwater ⚠ 1 active health violation
TURLOCK GOLF & COUNTRY CLUB A
TURLOCK, CA · 350 people · Groundwater ✓ No recent health violations
TID/ LA GRANGE WATER SYSTEM A
TURLOCK, CA · 195 people · Surface Water ✓ No recent health violations
TURLOCK AUCTION YARD, INC. A
TURLOCK, CA · 170 people · Groundwater ✓ No recent health violations
COMUNIDAD NUEVO LAGO, INC A
TURLOCK, CA · 160 people · Groundwater ✓ No recent health violations
SELECT HARVEST USA, LLC A
TURLOCK, CA · 115 people · Groundwater ✓ No recent health violations
GURUDWARA GURU NANAK SAHIB A
TURLOCK, CA · 109 people · Groundwater ✓ No recent health violations
OASIS INVESTMENTS A
TURLOCK, CA · 75 people · Groundwater ✓ No recent health violations
COUNTRY CLUB COUNTY WD F
TURLOCK, CA · 64 people · Groundwater ⚠ 1 active health violation
WAMPUM HILL TRAILER VILLAGE A
TURLOCK, CA · 62 people · Groundwater ✓ No recent health violations
CLAUSEN MEAT COMPANY A
TURLOCK, CA · 60 people · Groundwater ✓ No recent health violations
GEMPERLE EGG RANCH A
TURLOCK, CA · 55 people · Groundwater ✓ No recent health violations
CORTEZ GROWERS ASSO. WATER SYSTEM A
TURLOCK, CA · 50 people · Groundwater ✓ No recent health violations
EXCELL CENTER A
TURLOCK, CA · 45 people · Groundwater ✓ No recent health violations
CHEMURGIC AGRICULTURAL CHEMICALS, INC. F
TURLOCK, CA · 42 people · Groundwater ⚠ 1 active health violation
TURLOCK SPORTSMAN'S CLUB A
TURLOCK, CA · 32 people · Groundwater ✓ No recent health violations
RAINBOW FARMS A
TURLOCK, CA · 30 people · Groundwater ✓ No recent health violations
LANDER VETERINARY CLINIC A
TURLOCK, CA · 27 people · Groundwater ✓ No recent health violations
VFW POST 5059 WATER SYSTEM F
TURLOCK, CA · 26 people · Groundwater ⚠ 1 active health violation
GOLDEN ARCO A
TURLOCK, CA · 26 people · Groundwater ✓ No recent health violations
FRESH POINT (PIRANHA PRODUCE) A
TURLOCK, CA · 26 people · Groundwater ✓ No recent health violations
FULL GOSPEL ASSEMBLY A
TURLOCK, CA · 25 people · Groundwater ✓ No recent health violations
TRIANGLE TRUCK STOP (WATER) A
TURLOCK, CA · 25 people · Groundwater ✓ No recent health violations
PURINA MILLS INC A
TURLOCK, CA · 25 people · Groundwater ✓ No recent health violations
MOUNTAIN VIEW CHATOM RECREATION A
TURLOCK, CA · 25 people · Groundwater ✓ No recent health violations
COUNTRY STORE WATER SYSTEM A
TURLOCK, CA · 25 people · Groundwater ✓ No recent health violations
KEYES 76 (WATER SYSTEM) A
TURLOCK, CA · 25 people · Groundwater ✓ No recent health violations
VILLAGE FOOD MART WATER SYSTEM A
TURLOCK, CA · 25 people · Groundwater ✓ No recent health violations
STANISLAUS REGIONAL WATER AUTHORITY A
TURLOCK, CA · Surface Water ✓ 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.

Turlock Drinking Water: Frequently Asked Questions

Is Turlock, California tap water safe to drink?

Turlock currently has 4 active health-based violations across 4 of its 32 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 Turlock, California?

32 community water systems serve Turlock, California, providing water to approximately 76,361 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Turlock 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 Turlock drinking water?

EPA violation records for Turlock 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 Turlock?

Enter your Turlock 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).