Riverbank, CA: 17 Health Violations — 62/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
Based on current EPA data, Riverbank, CA reflects fair but uneven tap water safety.
How Riverbank Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Riverbank Residents
- Your city's water systems recorded 17 violations in the past 5 years.
- Homes built before 1986: 32% — older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 12.27 — above typical levels.
Riverbank's Water Providers
Federal drinking water records identify 3 systems in Riverbank, CA. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations — so service conditions are not uniform city-wide.
Overview
We track water quality and home safety data for 1 ZIP code in Riverbank, California (population ~25,303), covering 3 community water systems serving approximately 243,655 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 17 health-based violations documented.
Home Safety Score
Average Home Safety Score for Riverbank: C (62/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Riverbank water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Riverbank
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Barium | Inorganic | 32 | 1 |
| Lead | Inorganic | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 95367 | C | 17 | 17 | City of Riverbank, |
All ZIP Codes in Riverbank
- 95367 [C] — 17 violations ⚠
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
Updated daily.
Riverbank Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Riverbank's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Riverbank Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Two regulatory milestones define plumbing-era risk in residential housing: 1970, when lead pipes were still commonly installed for service lines, and 1986, when lead solder was banned from new copper plumbing. A median build year of 1994 places Riverbank in the middle zone between those thresholds — with a meaningful share of housing predating both cutoffs. The distribution shown above breaks out those eras explicitly, clarifying where concentrated risk sits across the residential inventory.
Most homes in Riverbank were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Riverbank
Within the Riverbank market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Riverbank are relatively low compared to home values. The $1,500–$4,000 estimated range is a small fraction of median property value. Home values are 40% below the California average.
Riverbank: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
32% of Riverbank housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark — household-level confirmation through a draw-test kit fits the local picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Riverbank: Flood History & Water Damage Risk
NFIP records stretching across multiple decades show Riverbank accumulating 1 claim and carrying 100% of its ZIP codes inside FEMA flood zones — evidence of meaningful exposure that extends beyond isolated incidents. The mechanisms linking flooding to water quality haven't changed: treatment facilities can be overwhelmed, wells can be infiltrated, and distribution systems can experience backflow. For a community at this exposure level, those mechanisms shift from hypothetical to periodically relevant.
Riverbank has a moderate flood history with 1 FEMA claims averaging $33,553 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,400</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Riverbank
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Barium can reduce the most common contaminant found in Riverbank's water.
- Check your home's plumbing. With 32% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Riverbank, CA