CITY REPORT CA 3 HEALTH VIOLATIONS

San Andreas, CA: 3 Health Violations - Home Safety 78/100

2 ZIP codes · 3 water systems · Updated

ZipCheckup grade for San Andreas: B.

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

Water utilities in San Andreas have maintained a consistent compliance record over recent monitoring periods - the city's above-average grade in CA reflects low violation rates and no systemic health concerns flagged in current data.

How San Andreas Compares

San Andreas78/100
California avg76/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
3
Water Systems
1
ZIPs with Violations
B · 78
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$409K
Median Home Value
$1,000
Est. Remediation (0.2% of home value)

What You Should Know About San Andreas Water

  • Your city's water systems recorded 4 violations in the past 5 years.
  • Estimated remediation: $1,000 per household.
  • CDC health risk index: 13.81 - above typical levels.

Who Supplies Your Water in San Andreas

Federal drinking water records identify 3 systems in San Andreas, CA. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations - so service conditions are not uniform city-wide.

Overview

We track home safety data for 2 ZIP codes in San Andreas, California (population ~4,696), covering 3 community water systems serving approximately 14,896 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for San Andreas: B (78/100)

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

San Andreas 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 2 (Moderate Risk)

  • Zone 1 (High): 0 ZIP codes
  • Zone 2 (Moderate): 2 ZIP codes
  • Zone 3 (Low): 0 ZIP codes

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
Haloacetic Acids (HAA5) Disinfection Byproducts 4 1
Stage 2 DBP Rule Treatment Technique 4 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
95249 B 4 3 Calaveras Pud

All ZIP Codes in San Andreas

Data Sources

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

Health Outcomes in San Andreas

10.3%
Asthma (US: 9.8%)
13.2%
Diabetes (US: 10.4%)
16.7%
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 10.3% ↑
Diabetes 13.2% ↑
Mental Health 16.7% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in San Andreas Water

Haloacetic Acids (HAA5) 4 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure
Stage 2 DBP Rule 4 violations
Treatment Technique
Disinfection byproduct exposure risk

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

Cost Context: What Remediation Means for San Andreas Homeowners

In San Andreas, documented water and safety issues can be addressed without making a meaningful dent in home equity - the financial proportionality here is favorable, and the commitment fits within standard property planning frameworks.

Median Home Value
$409,000
Est. Remediation
$1,000
Remediation as % of home value 0.2%

Remediation costs in San Andreas are relatively low compared to home values. The $300–$2,300 estimated range is a small fraction of median property value. Home values are 45% below the California average.

Frequently Asked Questions

What does the Home Safety Score mean for San Andreas, CA?
San Andreas has an average Home Safety Score of 78/100 (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 San Andreas have?
San Andreas water systems have a total of 4 EPA violations, including 3 health-based violations. Violations are tracked across 2 ZIP codes.
How does San Andreas compare to California average?
San Andreas has an average Home Safety Score of 78/100, which is above the California state average of 76/100 for the same model series.
How many water systems serve San Andreas?
San Andreas is served by 3 public water systems across 2 ZIP codes, serving approximately 4,696 people.
How much does it cost to fix water issues in San Andreas?
Estimated remediation costs in San Andreas average $1,000 per household, ranging from $300 to $2,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → San Andreas, CA

How to cite this page

APA ZipCheckup. (2026). San Andreas, CA: 3 Health Violations - Home Safety 78/100. https://zipcheckup.com/cities/ca/san-andreas/
BibTeX
@misc{zipcheckup-cities-ca-san-andreas,
  author = {{ZipCheckup}},
  title  = {{San Andreas, CA: 3 Health Violations - Home Safety 78/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/san-andreas/}
}

Page version: August 2026.

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