Canyon Lake, TX: 3 Health Violations — 79/100 (2026)
1 ZIP code · 7 water systems · Updated 2026-06-03
Canyon Lake tap water earns a high safety grade — above-average compliance with TX and federal standards.
How Canyon Lake Compares
Data: EPA SDWIS Last verified: 2026-06-03
Canyon Lake Water: The Quick Version
- Your city's water systems recorded 17 violations in the past 5 years.
- Average lead level: 0.0027 mg/L.
- Homes built before 1986: 34% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 11.92.
Water Systems Serving Canyon Lake
At present, 3 utilities serve the bulk of Canyon Lake, TX's residential water connections out of 7 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.
Overview
We track water quality and home safety data for 1 ZIP code in Canyon Lake, Texas (population ~21,830), covering 7 community water systems serving approximately 89,307 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 3 health-based violations documented.
Home Safety Score
Average Home Safety Score for Canyon Lake: B (79/100)
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
Canyon Lake water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0027 mg/L (EPA action level: 0.015 mg/L)
- 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 |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 14 | 1 |
| Fecal Coliform | Microbiological | 6 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | 1 |
| E. coli | Microbiological | 4 | 1 |
| Selenium | Inorganic | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 78133 | B | 17 | 3 | Clwsc Canyon Lake Shores |
All ZIP Codes in Canyon Lake
- 78133 [B] — 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.
CDC Health Data for Canyon Lake
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
Key Contaminants Detected in Canyon Lake
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Canyon Lake's Housing Stock?
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
Pre-1986 construction carries elevated plumbing-era lead risk because lead solder was widely used before that federal ban. In Canyon Lake, the median build year of 1994 indicates a housing stock where that older fraction represents a significant share of the residential inventory.
Most homes in Canyon Lake 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.
Canyon Lake: Remediation Cost in Perspective
In Canyon Lake, property wealth outpaces what documented remediation typically demands — the equity burden lands well within the low tier.
Remediation costs in Canyon Lake are relatively low compared to home values. The $1,900–$4,800 estimated range is a small fraction of median property value. Home values are 31% above the Texas average.
Protecting Children from Lead in Canyon Lake
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.
Even where utility-side monitoring meets Lead and Copper Rule requirements, the 34% pre-rule share in Canyon Lake keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Canyon Lake
Over the multi-decade window covered by the National Flood Insurance Program, Canyon Lake has accumulated 108 claims — a total that suggests more than isolated flood exposure. With 100% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Canyon Lake has a moderate flood history with 108 FEMA claims averaging $41,703 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>$3,000</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.
Deep Dive Reports
Detailed analysis for Canyon Lake, TX