CITY REPORT CA

Colfax, CA Home Safety: Home Safety Score unavailable

1 ZIP code · 4 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
4
Water Systems
0
ZIPs Linked to Systems with Violations
Zone 2
County Radon Potential (Moderate)
$480K
Median Home Value

Key Facts for Colfax Residents

  • Average of reported 90th-percentile lead results: 0.0007 mg/L.
  • Homes built before 1986: 57% - older plumbing may contain lead solder.
  • Health risk index (ZipCheckup composite of CDC data): 11.13.

Colfax's Water Providers

More than one public water system is linked to Colfax, CA: federal records tie 4 systems to the area, and the 3 with the largest reported service populations are shown below. Which of them supplies a particular address depends on where the property sits, and a water bill or the utility can confirm it.

Overview

We track home safety data for 1 ZIP code in Colfax, California, covering 4 community water systems serving approximately 10,471 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Water Sources

Colfax water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0007 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

1 of 1 ZIP records with known zones is in EPA Radon Zone 2.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Areas with No Violations

ZIP Code Safety Score System Population
95713 — Placer Cwa - Colfax 3,149

All ZIP Codes in Colfax

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Colfax Community Health Snapshot

9.9%
Asthma (US: 9.8%)
9.8%
Diabetes (US: 10.4%)
15.3%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 9.9% ↑
Diabetes 9.8% ↓
Mental Health 15.3% ↑

Vertical line = national average. ■ Above national · ■ Below national

Colfax Infrastructure Age

1986
Median Build Year
57%
Built Before 1986
27%
Built Before 1970
Copper
Likely Pipe Material

With 57% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

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

Housing Age Profile

Some homes in Colfax predate the 1986 federal restrictions on lead in new pipe and solder, so a tap test is a reasonable step for older homes; median build year: 1986.

1986
Median Year Built
57%
Pre-1986 (lead solder era; lead paint banned 1978)
27%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (27%) 1970–1986 (30%) Post-1986 (43%)

Over half of homes in Colfax were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Colfax: Lead Risk & Vulnerable Populations

57%
Homes Built Before 1986
0.0007
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

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

Colfax: NFIP Claim Records and Water-Quality Context

1
Total FEMA Flood Claims
$13,469
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Colfax contains 1 flood insurance claim. Among claims with payment data, the average reported building, contents, and ICC component sum is $13,469. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

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.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

Does Colfax water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Colfax is 0.0007 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Colfax?
Our records map 4 water systems to 1 ZIP code in Colfax. The related population figure in our data is approximately 10,471 people; it is not a count of people served citywide.
Home → Cities → California → Colfax, CA

How to cite this page

APA ZipCheckup. (2026). Colfax, CA Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/ca/colfax/
BibTeX
@misc{zipcheckup-cities-ca-colfax,
  author = {{ZipCheckup}},
  title  = {{Colfax, CA Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/colfax/}
}

Page version: October 2026.

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