CITY REPORT CA

Canby, CA Water Safety: 99/100 (2026)

1 ZIP code · 1 water system · Updated 2026-06-03

Based on current monitoring, Canby holds an above-average drinking water safety record for CA — violations are infrequent and typically minor when they do appear.

How Canby Compares

Canby99/100
California avg73/100
National avg67/100

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

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
A · 99
Avg Safety Score
Zone 3
Radon Risk (Low)

What You Should Know About Canby Water

  • Average lead level: 0.0039 mg/L.
  • Homes built before 1986: 78% — older plumbing may contain lead solder.
  • CDC health risk index: 15.1 — above typical levels.

Who Supplies Your Water in Canby

Federal drinking water records identify 1 system operating in Canby, CA. One of those systems serves the overwhelming majority of residential addresses, concentrating infrastructure management, rate authority, and EPA compliance reporting within a single organization.

Isot Community Water System
Serves ~116 people
99
/100

Overview

We track water quality and home safety data for 1 ZIP code in Canby, California, covering 1 community water system serving approximately 523 people.

No EPA violations recorded across any ZIP codes in Canby — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Canby: A (99/100)

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

Canby water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0039 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)

Areas with No Violations

ZIP Code Safety Score System Population
96015 A Isot Community Water System 116

All ZIP Codes in Canby

Data Sources

Updated daily.

Health Outcomes in Canby

10.8%
Asthma (US: 9.8%)
14.9%
Diabetes (US: 10.4%)
17.4%
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 10.8% ↑
Diabetes 14.9% ↑
Mental Health 17.4% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Canby

1963
Median Build Year
78%
Built Before 1986
30%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 78% 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

Heavily weighted toward older construction, Canby's housing stock carries a median build year of 1963. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.

1963
Median Year Built
78%
Pre-1986 (Lead Paint Risk)
30%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (30%) 1970–1986 (48%) Post-1986 (22%)

Over half of homes in Canby 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.

Lead Exposure Risk for Children in Canby

78%
Homes Built Before 1986
0.0039
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.

When older housing represents 78% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Canby address.

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 Canby, CA?
Canby has an average water safety score of 99/100 (Grade A). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
Does Canby water have lead?
The average 90th-percentile lead level in Canby is 0.0039 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 Canby compare to California average?
Canby has an average water safety score of 99/100, which is above the California state average of 73/100.
How many water systems serve Canby?
Canby is served by 1 public water system across 1 ZIP code, serving approximately 523 people.
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