CITY REPORT CA

Canyon, CA: 1 Violation — 81/100 (2026)

1 ZIP code · 3 water systems · Updated 2026-06-03

For households in Canyon, CA water data shows a consistently above-average safety picture.

How Canyon Compares

Canyon81/100
California avg73/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
3
Water Systems
1
ZIPs with Violations
B · 81
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$787K
Median Home Value
$400
Est. Remediation (0.1% of home value)

What You Should Know About Canyon Water

  • Your city's water systems recorded 1 violation in the past 5 years.
  • Average lead level: 0.002 mg/L.
  • Homes built before 1986: 90% — older plumbing may contain lead solder.
  • Estimated remediation: $400 per household.
  • CDC health risk index: 10.72.

Who Supplies Your Water in Canyon

Canyon, CA draws its residential water from 3 separate providers among the 3 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.

EAST BAY MUD
Serves ~1,442,800 people · 1 violation
81
/100
Moraga Heights Mutual Water
Serves ~66 people · 1 violation
81
/100
Wilcox Station Ranch
Serves ~31 people · 1 violation
81
/100

Overview

We track water quality and home safety data for 1 ZIP code in Canyon, California (population ~208), covering 3 community water systems serving approximately 1,442,897 people region-wide.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for Canyon: B (81/100)

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 water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0020 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)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Stage 1 DBP Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
94516 B 1 0 Moraga Heights Mutual Water

All ZIP Codes in Canyon

  • 94516 [B] — 1 violation

Data Sources

Updated daily.

Health Outcomes in Canyon

9.4%
Asthma (US: 9.8%)
11.3%
Diabetes (US: 10.4%)
15.3%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.4% ↓
Diabetes 11.3% ↑
Mental Health 15.3% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in Canyon Water

Stage 1 DBP Rule 2 violations
Treatment Technique
Disinfection byproduct exposure risk

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Housing & Infrastructure in Canyon

1901
Median Build Year
90%
Built Before 1986
62%
Built Before 1970
Galvanized Steel or Lead
Likely Pipe Material

With 90% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Reading the housing age data for Canyon — median build year 1901 — the overriding implication is that the plumbing materials inside a typical home here reflect pre-1986 construction standards. In practical terms, that means lead-soldered copper joints are common across much of the housing stock. Where those materials are present, water can leach lead as it moves through joints — a pathway that corrosion control treatment under federal rules is designed to reduce, though it cannot eliminate lead risk where the plumbing materials themselves contain lead.

1901
Median Year Built
90%
Pre-1986 (Lead Paint Risk)
62%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (62%) 1970–1986 (28%) Post-1986 (10%)

Over half of homes in Canyon were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Canyon Homeowners

When estimated remediation is placed alongside median property values in Canyon, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.

Median Home Value
$786,800
Est. Remediation
$400
Remediation as % of home value 0.1%

Remediation costs in Canyon are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 7% above the California average.

Lead Exposure Risk for Children in Canyon

90%
Homes Built Before 1986
0.002
mg/L Avg Lead (Limit: 0.015)

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.

Pulling a tap sample fills the gap that utility data cannot close, particularly here where 90% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Canyon.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Frequently Asked Questions

Is the water safe to drink in Canyon, CA?
Canyon has an average water safety score of 81/100 (Grade B). 1 EPA violation has been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does Canyon have?
Canyon water systems have a total of 1 EPA violation. Violations are tracked across 1 ZIP code.
Does Canyon water have lead?
The average 90th-percentile lead level in Canyon is 0.002 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home — testing is recommended especially in older properties.
How does Canyon compare to California average?
Canyon has an average water safety score of 81/100, which is above the California state average of 73/100.
How many water systems serve Canyon?
Canyon is served by 3 public water systems across 1 ZIP code, serving approximately 208 people.
How much does it cost to fix water issues in Canyon?
Estimated remediation costs in Canyon average $400 per household, ranging from $0 to $800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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