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WaterSafeCheck

ZIP Code 92735 Water Quality Report

Santa Ana, CA · Orange County County

Safety Score
A

Water Safety Grade

Excellent — Meets all EPA standards

Health Violations

0

Total Violations

1

Lead Risk

N/A

Contaminants

0

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Active Water Quality Issues Detected

EPA records show 0 unresolved violation. Contact City of Santa Ana for current status.

About Tap Water in ZIP Code 92735

Tap water in ZIP code 92735 (Santa Ana, CA) is among the safest in the country. Served by City of Santa Ana, this area earned a water safety grade of A with a composite score of 88/100 — indicating full regulatory compliance and low contaminant risk across EPA monitoring periods.

Water System

City of Santa Ana

EPA ID: CA3010038

Water Source

Surface Water

Population Served

310,539 residents

County

Orange County County, California

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Lead Levels in ZIP 92735

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Data Not Available

Lead testing data was not found in EPA records for ZIP code 92735. This may occur with very small systems or systems that report under a parent utility. Contact City of Santa Ana directly to request lead testing results or a copy of their Consumer Confidence Report.
Lead Exposure Risk Rating
Unknown
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Violation History

Past 5 years — EPA SDWIS data

City of Santa Ana has recorded 1 violation, but none are health-based. Administrative or reporting violations don't directly indicate unsafe water, but they do signal gaps in documentation or monitoring procedures.

Total Violations (5 yr)
1
Health-Based Violations
0
Unresolved Violations
0
Boil Water Advisories
0
Compliance Risk
Low

Regulatory compliance risk for City of Santa Ana is rated Low — indicating a consistent track record of meeting EPA reporting and treatment requirements.

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Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 92735. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.

From Consumer Confidence Report:

Bromate (7.6 ppb); Perchlorate (3.3 ppb)

⚖ Enforcement Actions

EPA or state regulators have issued 2 enforcement actions against City of Santa Ana. Enforcement actions are formal compliance orders or penalties issued when a utility fails to address violations within required timeframes.
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Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
CCR Source Classification
Groundwater wells and treated surface water from Metropolitan Water District of Southern California
EPA Radon Zone

Lower potential

Zone 3

EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.

🛡 What Should You Do? — ZIP 92735 Recommendations

  • ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
  • ✓ Request your annual Consumer Confidence Report from City of Santa Ana
  • ✓ If your home was built before 1986, consider testing your own tap for lead
  • ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste

Frequently Asked Questions — ZIP 92735 Water Quality

Is tap water safe to drink in ZIP code 92735?+
Yes — tap water in 92735 (Santa Ana, CA) currently meets all federal EPA standards with a water safety grade of A. No health-based violations are on record in the past 5 years. You can drink your tap water with confidence, though running the tap for 30 seconds in the morning is always a good practice.
What is the lead level in 92735 tap water?+
Lead level data from EPA monitoring is not available for 92735. Contact City of Santa Ana directly for the most recent lead testing results.
Who provides tap water to 92735?+
Tap water in ZIP code 92735 is provided by City of Santa Ana (EPA ID: CA3010038). This system serves approximately 310,539 residents. You can contact them directly for Consumer Confidence Reports, current advisories, and billing information.
What is the water source for 92735?+
ZIP code 92735 is served by surface water. Surface water systems draw from rivers, lakes, or reservoirs and must meet strict EPA treatment requirements including filtration and disinfection.
Does 92735 have any active water quality violations?+
No active violations are on record for ZIP code 92735. EPA data shows this water system is currently in compliance with Safe Drinking Water Act standards.
How do I get a copy of my water quality report for 92735?+
Your water utility — City of Santa Ana — is required by law to send you an annual Consumer Confidence Report (CCR) by July 1 each year. You can also request it directly from the utility or find it online by searching "City of Santa Ana Consumer Confidence Report." The EPA's ECHO database also has historical compliance data.
What water filter should I use in 92735?+
The right filter depends on what contaminants are present. For lead, look for a filter certified to NSF/ANSI Standard 53. For chlorine byproducts (like THMs), NSF/ANSI 42 filters work well. For a broad range of contaminants including PFAS, look for NSF/ANSI 58 (reverse osmosis) systems. For ZIP code 92735, with a clean compliance record, a standard carbon block filter meeting NSF/ANSI 42 is a good choice for taste and as a precaution.
Is 92735 tap water safe for babies and infants?+
Infants are especially vulnerable to lead, nitrates, and microbial contaminants in drinking water. Current EPA data for 92735 shows no available lead data — we recommend using a certified NSF/ANSI 53 lead filter as a precaution for infant formula. Always consult your pediatrician for guidance specific to your child's health.

Data Sources & Methodology

Water quality data for ZIP code 92735 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by City of Santa Ana. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →