Water Quality in Riverbank, CA: 1 Violation - Grade N/A
4 water systems · 1 directly mapped ZIP records
Available EPA records report 1 violations across 1 directly mapped ZIP records with known counts for Riverbank. This is compliance evidence, not a property-level tap-water verdict.
Data: EPA Safe Drinking Water Information System (SDWIS)
Water Quality by ZIP Code in Riverbank
This table shows typed EPA water evidence only. Missing violation counts are displayed as N/A, not zero.
| ZIP Code | Violations | Health | |
|---|---|---|---|
| 95367 | 1 | 1 | View report → |
Water Quality Overview
Riverbank, California has directly mapped EPA water-system data for 1 ZIP codes. This page reports typed compliance facts and does not relabel the multi-source Home Safety Score as a drinking-water grade.
The available EPA records report 1 violation, including 1 health-based violation across 1 directly mapped ZIP record with reported counts.
Lead Levels
The average 90th percentile lead level across Riverbank water systems is 0.0120 mg/L - within EPA limits. No exceedances appear among the 1 ZIP records with known lead status.
Water Systems Serving Riverbank
Riverbank is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 25,303 people across 1 ZIP code.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 2 enforcement actions against water systems serving Riverbank. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Riverbank
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels and violation history
Request your CCR - your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test - certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration - NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories - monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Riverbank Water Systems
The following contaminants have been detected or caused violations across Riverbank's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead | Inorganic | 0.015 mg/L | 1 | 1 | Yes |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 2 enforcement actions against water systems serving Riverbank. Recent actions:
| Date | Action Type |
|---|---|
| 2023-10-06 | State Order Extension |
| 2021-12-10 | State Filed Suit |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2023-10-06.
Riverbank vs. Nearby California Cities
How Riverbank's water quality compares to similar cities in California:
| City | Direct EPA ZIPs | Violations | Systems | Population |
|---|---|---|---|---|
| Riverbank | 1 | 1 | 4 | 25,303 |
| Norco | 1 | 45 | 4 | 25,268 |
| Anderson | 1 | 9 | 5 | 25,009 |
| Palos Verdes Peninsula | 1 | 0 | 1 | 24,988 |
Common Questions About Riverbank Water
These are the most common questions residents search for about water quality in Riverbank, California:
Is Riverbank water hard or soft? Water hardness varies by source. Riverbank's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Riverbank tap water? City-level EPA records cannot determine safety at a specific tap. The measured subset contains 1 health-based violation; check the affected utility record and consider certified testing.
What is the best water filter for Riverbank? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Riverbank vs. California Average
Understanding how Riverbank compares to the broader California average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below - water quality can vary significantly even within Riverbank.
ZIP Codes in Riverbank
Riverbank spans 1 ZIP code. EPA water-system coverage is available for 1 directly mapped ZIP code. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Source reporting periods vary. See each cited source for its publication schedule.