Valencia, CA: 57 Health Violations — 43/100 (2026)
3 ZIP codes · 3 water systems · Updated 2026-06-03
Water monitoring data from Valencia, CA tells a below-average story — health violations are present and system-level detail is worth reviewing before drawing conclusions.
How Valencia Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Valencia Residents
- Your city's water systems recorded 63 violations in the past 5 years.
- Average lead level: 0.0096 mg/L.
- Homes built before 1986: 38% — older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 10.71.
Valencia's Water Providers
Throughout Valencia, CA, water comes from one of 3 primary utilities out of 3 total systems — independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
Overview
We track water quality and home safety data for 3 ZIP codes in Valencia, California (population ~61,836), covering 3 community water systems serving approximately 294,372 people region-wide.
3 of 3 ZIP codes (100%) have recorded EPA violations. 57 health-based violations documented.
Home Safety Score
Average Home Safety Score for Valencia: D (43/100)
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
Valencia water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0096 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 3 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Barium | Inorganic | 72 | 3 |
| Stage 2 DBP Rule | Treatment Technique | 8 | 3 |
| Stage 1 DBP Rule | Treatment Technique | 4 | 3 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 91354 | D | 21 | 19 | Santa Clarita Valley Water Agency |
| 91355 | D | 21 | 19 | Santa Clarita Valley Water Agency |
| 91385 | F | 21 | 19 | Spv Water Company |
All ZIP Codes in Valencia
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.
Valencia 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 Valencia's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Valencia 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
Lead solder was a standard plumbing material before 1986, when federal law prohibited its use in new residential construction. In Valencia, the median build year of 1988 indicates that plumbing age is a material factor in local lead risk — with the pre-1986 share concentrated in specific neighborhoods and building types where older construction remains common.
Most homes in Valencia 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 Valencia
Given current Valencia valuations, the remediation-to-property-value ratio is low — most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Valencia are relatively low compared to home values. The $1,233–$4,267 estimated range is a small fraction of median property value. Home values are 9% above the California average.
Valencia: 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.
In recent monitoring under the Lead and Copper Rule, citywide samples for Valencia have approached or crossed the regulatory action level on multiple occasions. Combined with 38% of stock dating from the pre-rule era, the picture supports baseline single-tap reads as a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Valencia: Flood History & Water Damage Risk
5 FEMA flood insurance claims are on file for Valencia, and 67% of local ZIP codes fall within federally designated flood zones — enough to put flood exposure on the planning radar, though short of the concentrated-risk threshold where treatment-system vulnerability becomes a primary consideration.
Valencia has a moderate flood history with 5 FEMA claims averaging $4,276 per payout. 67% 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 Valencia
- 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 Valencia's water.
- Check your home's plumbing. With 38% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Valencia, CA