CITY REPORT CA 2 HEALTH VIOLATIONS

Cottonwood, CA: 2 Health Violations - Home Safety 93/100

1 ZIP code · 5 water systems · Updated

ZipCheckup grade for Cottonwood: A.

No federal data flags a major home-safety concern for this ZIP.

Drinking water tracked for Cottonwood by CA authorities posts above-average scores - the majority of systems are free from health-based exceedances and the city's grade sits above the state median.

How Cottonwood Compares

Cottonwood93/100
California avg76/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
A · 93
Avg Safety Score
Zone 3
Radon Risk (Low)
$355K
Median Home Value
$2,100
Est. Remediation (0.6% of home value)

What You Should Know About Cottonwood Water

  • Your city's water systems recorded 7 violations in the past 5 years.
  • Average lead level: 0.0036 mg/L.
  • Homes built before 1986: 48% - older plumbing may contain lead solder.
  • Estimated remediation: $2,100 per household.
  • CDC health risk index: 13.63 - above typical levels.

Who Supplies Your Water in Cottonwood

Cottonwood, CA draws its residential water from 3 separate providers among the 5 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.

Overview

We track home safety data for 1 ZIP code in Cottonwood, California (population ~16,497), covering 5 community water systems serving approximately 27,107 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Cottonwood: A (93/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Cottonwood water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0036 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

Dominant radon zone: Zone 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Stage 2 DBP Rule Treatment Technique 8 1
Stage 1 DBP Rule Treatment Technique 4 1
Consumer Confidence Report Rule Reporting 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
96022 A 7 2 Cottonwood Water District

All ZIP Codes in Cottonwood

  • 96022 [A] - 7 violations ⚠

Data Sources

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

Health Outcomes in Cottonwood

10.7%
Asthma (US: 9.8%)
13%
Diabetes (US: 10.4%)
18.8%
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 10.7% ↑
Diabetes 13% ↑
Mental Health 18.8% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in Cottonwood Water

Stage 2 DBP Rule 8 violations
Treatment Technique
Disinfection byproduct exposure risk
Stage 1 DBP Rule 4 violations
Treatment Technique
Disinfection byproduct exposure risk
Consumer Confidence Report Rule 2 violations
Reporting

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

Housing & Infrastructure in Cottonwood

1983
Median Build Year
48%
Built Before 1986
11%
Built Before 1970
Copper
Likely Pipe Material

With 48% 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

Prohibited from residential plumbing since 1986, lead solder divides Cottonwood's housing stock along a timeline that the median build year of 1983 straddles. A meaningful share of homes predates the ban - a configuration that places moderate aggregate pressure on plumbing-related lead risk, distributed unevenly across neighborhoods.

1983
Median Year Built
48%
Pre-1986 (Lead Paint Risk)
11%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (11%) 1970–1986 (37%) Post-1986 (52%)

Most homes in Cottonwood 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.

Cost Context: What Remediation Means for Cottonwood Homeowners

Low proportionality - that's the Cottonwood picture when remediation costs are placed against typical home equity.

Median Home Value
$355,300
Est. Remediation
$2,100
Remediation as % of home value 0.6%

Remediation costs in Cottonwood are relatively low compared to home values. The $1,350–$3,100 estimated range is a small fraction of median property value. Home values are 52% below the California average.

Lead Exposure Risk for Children in Cottonwood

48%
Homes Built Before 1986
0.0036
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 48% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Cottonwood.

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

Historical NFIP Claim Context in Cottonwood

10
Total FEMA Flood Claims
$35,518
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Cottonwood contains 10 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $35,518. Among ZIP codes with claim records, 100% 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. The <strong>$2,100</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

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

What does the Home Safety Score mean for Cottonwood, CA?
Cottonwood has an average Home Safety Score of 93/100 (Grade A) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 7 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Cottonwood have?
Cottonwood water systems have a total of 7 EPA violations, including 2 health-based violations. Violations are tracked across 1 ZIP code.
Does Cottonwood water have lead?
The average 90th-percentile lead level in Cottonwood is 0.0036 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 Cottonwood compare to California average?
Cottonwood has an average Home Safety Score of 93/100, which is above the California state average of 76/100 for the same model series.
How many water systems serve Cottonwood?
Cottonwood is served by 5 public water systems across 1 ZIP code, serving approximately 16,497 people.
How much does it cost to fix water issues in Cottonwood?
Estimated remediation costs in Cottonwood average $2,100 per household, ranging from $1,350 to $3,100. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Cottonwood, CA

How to cite this page

APA ZipCheckup. (2026). Cottonwood, CA: 2 Health Violations - Home Safety 93/100. https://zipcheckup.com/cities/ca/cottonwood/
BibTeX
@misc{zipcheckup-cities-ca-cottonwood,
  author = {{ZipCheckup}},
  title  = {{Cottonwood, CA: 2 Health Violations - Home Safety 93/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/cottonwood/}
}

Page version: August 2026.

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