CITY REPORT CA 2 HEALTH VIOLATIONS

Mather, CA: 2 Health Violations - Home Safety 75/100

1 ZIP code · 2 water systems · Updated

ZipCheckup grade for Mather: B.

This ZIP looks solid, with a few items worth a quick check.

Across Mather, EPA monitoring data shows low violation rates and healthy safety margins - a pattern that places the city well above CA's average for drinking water compliance across recent reporting cycles.

How Mather Compares

Mather75/100
California avg76/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
B · 75
Avg Safety Score
Zone 3
Radon Risk (Low)
$574K
Median Home Value
$2,700
Est. Remediation (0.5% of home value)

Mather Water: The Quick Version

  • Your city's water systems recorded 4 violations in the past 5 years.
  • Homes built before 1986: 13% - older plumbing may contain lead solder.
  • Estimated remediation: $2,700 per household.
  • CDC health risk index: 11.31.

Water Systems Serving Mather

Structurally, Mather, CA's water supply is divided. Federal data identifies 2 water systems in the area, with 2 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.

Overview

We track home safety data for 1 ZIP code in Mather, California (population ~5,029), covering 2 community water systems serving approximately 215,721 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 Mather: B (75/100)

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

Mather water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 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

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
95655 B 4 2 Scwa - Laguna/vineyard

All ZIP Codes in Mather

  • 95655 [B] - 4 violations ⚠

Data Sources

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

CDC Health Data for Mather

10.2%
Asthma (US: 9.8%)
11.2%
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 10.2% ↑
Diabetes 11.2% ↑
Mental Health 17.4% ↑

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Mather

Stage 2 DBP Rule 8 violations
Treatment Technique
Disinfection byproduct exposure risk

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

How Old Is Mather's Housing Stock?

2005
Median Build Year
13%
Built Before 1986
6%
Built Before 1970
PEX or Copper
Likely Pipe Material

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

A post-1986 majority in Mather's housing inventory - median build year 2005 - generally signals lower aggregate plumbing-era lead risk.

2005
Median Year Built
13%
Pre-1986 (Lead Paint Risk)
6%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (6%) 1970–1986 (7%) Post-1986 (87%)

Most homes in Mather 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.

Mather: Remediation Cost in Perspective

While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Mather is notably favorable - the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.

Median Home Value
$573,800
Est. Remediation
$2,700
Remediation as % of home value 0.5%

Remediation costs in Mather are relatively low compared to home values. The $1,750–$3,900 estimated range is a small fraction of median property value. Home values are 22% below the California average.

Protecting Children from Lead in Mather

13%
Homes Built Before 1986

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.

Whenever aggregate samples pass the federal action benchmark and pre-rule housing - 13% in Mather - represents a smaller fraction, lead occupies a lower priority on the local picture.

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

Historical Flood-Claim Evidence for Mather

1
Total FEMA Flood Claims
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Mather contains 1 flood insurance claim. 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. The <strong>$2,700</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 Mather, CA?
Mather has an average Home Safety Score of 75/100 (Grade B) 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. 4 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Mather have?
Mather water systems have a total of 4 EPA violations, including 2 health-based violations. Violations are tracked across 1 ZIP code.
How does Mather compare to California average?
Mather has an average Home Safety Score of 75/100, which is below the California state average of 76/100 for the same model series.
How many water systems serve Mather?
Mather is served by 2 public water systems across 1 ZIP code, serving approximately 5,029 people.
How much does it cost to fix water issues in Mather?
Estimated remediation costs in Mather average $2,700 per household, ranging from $1,750 to $3,900. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Mather, CA

How to cite this page

APA ZipCheckup. (2026). Mather, CA: 2 Health Violations - Home Safety 75/100. https://zipcheckup.com/cities/ca/mather/
BibTeX
@misc{zipcheckup-cities-ca-mather,
  author = {{ZipCheckup}},
  title  = {{Mather, CA: 2 Health Violations - Home Safety 75/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/mather/}
}

Page version: August 2026.

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