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WaterSafeCheck

Rocklin, CA Tap Water Quality

Water safety reports for all 2 ZIP codes in Rocklin, California

Average Score

47/100

Health Violations

2

ZIP Codes

2

High Lead Risk

1

of 2 ZIP codes

D

About Tap Water in Rocklin, CA

Tap water quality in Rocklin, CA is a significant concern, currently receiving a below-average safety score of 47/100 across 2 ZIP codes. With 2 health-based violations recorded in the past 5 years, systems like City of Roseville have struggled to maintain compliance with EPA regulations enforced by California State Water Resources Control Board. Residents are strongly encouraged to utilize certified water filtration systems.

Over the past 5 years, Rocklin has recorded 2 health-based violations. While occasional violations can occur due to seasonal changes or temporary infrastructure issues, City of Roseville is legally required to resolve these quickly and notify the public via their annual Consumer Confidence Report. The city's water supply, primarily drawn from surface water, is treated to address these specific contaminants.

Additionally, lead exposure risk remains a critical issue for certain neighborhoods. EPA data indicates that 1 out of 2 ZIP codes in Rocklin are rated as High or Very High risk for lead. This risk is often driven by aging homes with pre-1986 plumbing containing lead solder or service lines. Families in these areas should test their tap water and consider NSF/ANSI 53 certified filters.

⚠ Lead Risk Alert: Some ZIP codes in Rocklin are rated High or Very High for lead exposure risk based on EPA data. Search your specific ZIP code for a detailed lead level report.

Health-Based Contaminant Violations in Rocklin

EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in Rocklin water systems over the past 5 years.

Stage 2 DBP Rule

Note: The presence of a past violation does not necessarily mean current water is unsafe. Utilities are required to take corrective action. Review your Consumer Confidence Report for the latest status.

Water Quality by ZIP Code — Rocklin, CA

Click any ZIP code for the full water quality report

D
95677

Rocklin, CA

Score: 49/1001 violation
D
95765

Rocklin, CA

Score: 45/1001 violation

Frequently Asked Questions — Rocklin Water Quality

Is tap water safe to drink in Rocklin, CA?+
Tap water in Rocklin has a grade of D, indicating compliance concerns in recent years. Families with young children or pregnant women should consider using a certified NSF/ANSI 53 water filter for drinking and cooking.
What is the water quality score for Rocklin?+
The average water quality score across 2 ZIP codes in Rocklin, CA is 47/100. Scores are derived from EPA violation history, lead levels, enforcement actions, and infrastructure risk indicators. Individual ZIP codes may vary — search your specific ZIP above for a personalized report.
Does Rocklin have lead in its tap water?+
1 out of 2 ZIP codes in Rocklin are rated High or Very High for lead exposure risk. Older homes built before 1986 may have lead service lines or plumbing fixtures. Residents should run their tap for 30 seconds before use and consider a certified NSF/ANSI 53 lead filter.
How do I get the water quality report for Rocklin?+
Each ZIP code in Rocklin has a full water quality report on this site — click any ZIP code below. You can also get the annual Consumer Confidence Report (CCR) from your local water utility. The CCR is required to be published every year by July 1 and contains actual contaminant measurements and violation history.
Where does Rocklin's tap water come from?+
Tap water in Rocklin, CA primarily comes from surface water. Surface water systems treat water from rivers, lakes, or reservoirs using filtration, sedimentation, and disinfection before it reaches your tap.

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