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Santa Maria, California: Is the Tap Water Safe to Drink?

2026 EPA water quality data for 30 community water systems serving 117,967+ residents. See violations, PFAS results, lead test results, and safety grades — free.

Is Santa Maria Tap Water Safe to Drink?

29 of 30 tested water systems in Santa Maria meet federal drinking water standards with no active violations. 1 system has 1 active health-based violation — check individual reports below for details.

Santa Maria Water Quality Overview

Santa Maria, California is served by 30 community water systems providing water to approximately 117,967 residents. These systems draw from groundwater (29), surface water purchased (1) sources. 1 active health-based violation across Santa Maria water systems require attention. Including monitoring and reporting violations, there are 222 total violations on record.

30
Water Systems
17
Health Violations
29/30
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 30 water systems in Santa Maria

CITY OF SANTA MARIA UTILITIES DEPARTMENT A
SANTA MARIA, CA · 109,477 people · Surface Water Purchased ✓ No recent health violations
NOJOQUI FALLS COUNTY PARK A
SANTA MARIA, CA · 1,502 people · Groundwater ✓ No recent health violations
RANCHO MARIA GOLF COURSE A
SANTA MARIA, CA · 1,000 people · Groundwater ✓ No recent health violations
GATEHOUSE TASTING ROOM AT BIEN NACIDO A
SANTA MARIA, CA · 950 people · Groundwater ✓ No recent health violations
WINDSET FARMS GREENHOUSES A
SANTA MARIA, CA · 900 people · Groundwater ✓ No recent health violations
JALAMA BEACH PARK A
SANTA MARIA, CA · 882 people · Groundwater ✓ No recent health violations
ARCTIC COLD A
SANTA MARIA, CA · 623 people · Groundwater ✓ No recent health violations
BONITA SCHOOL A
SANTA MARIA, CA · 589 people · Groundwater ✓ No recent health violations
VALLEY PACIFIC PETROLEUM SERVICES A
SANTA MARIA, CA · 500 people · Groundwater ✓ No recent health violations
FOSTER ROAD MUTUAL WATER COMPANY A
SANTA MARIA, CA · 150 people · Groundwater ✓ No recent health violations
BETTERAVIA GAS & MART A
SANTA MARIA, CA · 150 people · Groundwater ✓ No recent health violations
CAMBRIA WINERY A
SANTA MARIA, CA · 150 people · Groundwater ✓ No recent health violations
EAST VALLEY FARMS MUTUAL WATER COMPANY A
SANTA MARIA, CA · 142 people · Groundwater ✓ No recent health violations
SISQUOC A
SANTA MARIA, CA · 135 people · Groundwater ✓ No recent health violations
SURE FRESH PRODUCE A
SANTA MARIA, CA · 100 people · Groundwater ✓ No recent health violations
TEIXEIRA FARMS - FRONTIER COOLING A
SANTA MARIA, CA · 80 people · Groundwater ✓ No recent health violations
RIVERBENCH WINERY A
SANTA MARIA, CA · 70 people · Groundwater ✓ No recent health violations
LAS COLINAS ROAD & WATER ASSN A
SANTA MARIA, CA · 70 people · Groundwater ✓ No recent health violations
FOXEN VINEYARD INC. A
SANTA MARIA, CA · 66 people · Groundwater ✓ No recent health violations
TOYOTA SAN LUIS OBISPO A
SANTA MARIA, CA · 57 people · Groundwater ✓ No recent health violations
FLOOD RANCH/RANCHO SISQUOC A
SANTA MARIA, CA · 49 people · Groundwater ✓ No recent health violations
KENDALL-JACKSON WINERY WS A
SANTA MARIA, CA · 45 people · Groundwater ✓ No recent health violations
AAA KINDNESS CARE HOME A
SANTA MARIA, CA · 45 people · Groundwater ✓ No recent health violations
MAIN STREET PRODUCE A
SANTA MARIA, CA · 45 people · Groundwater ✓ No recent health violations
RAY WATER COMPANY A
SANTA MARIA, CA · 40 people · Groundwater ✓ No recent health violations
BETTER COOLING PRODUCE A
SANTA MARIA, CA · 35 people · Groundwater ✓ No recent health violations
TRES HERMANAS WINERY A
SANTA MARIA, CA · 35 people · Groundwater ✓ No recent health violations
CERRO ALTO CAMPGROUND A
SANTA MARIA, CA · 30 people · Groundwater ✓ No recent health violations
CUYAMA LANE WATER COMPANY F
SANTA MARIA, CA · 25 people · Groundwater ⚠ 1 active health violation
MARBORG INDUSTRIES A
SANTA MARIA, 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.

Santa Maria Drinking Water: Frequently Asked Questions

Is Santa Maria, California tap water safe to drink?

29 of 30 tested water systems in Santa Maria meet federal drinking water standards with no active violations. 1 system has 1 active health-based violation — check individual reports below for details.

How many water utilities serve Santa Maria, California?

30 community water systems serve Santa Maria, California, providing water to approximately 117,967 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Santa Maria 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 Santa Maria drinking water?

EPA violation records for Santa Maria 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 Santa Maria?

Enter your Santa Maria 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).