CITY REPORT CA 1 HEALTH VIOLATIONS

The Sea Ranch, CA: 1 Health Violation - Home Safety 95/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for The Sea Ranch: A.

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

In current tracking cycles, The Sea Ranch records above-average water quality outcomes for CA; compliance history over recent years shows few departures from federal standards and no systemic failures across its water systems.

How The Sea Ranch Compares

The Sea Ranch95/100
California avg76/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs with Violations
A · 95
Avg Safety Score
Zone 3
Radon Risk (Low)
$1.2M
Median Home Value
$500
Est. Remediation (0.0% of home value)

What You Should Know About The Sea Ranch Water

  • Your city's water systems recorded 4 violations in the past 5 years.
  • Homes built before 1986: 49% - older plumbing may contain lead solder.
  • Estimated remediation: $500 per household.
  • CDC health risk index: 11.32.

Who Supplies Your Water in The Sea Ranch

Consolidated water delivery characterizes The Sea Ranch, CA: among 1 system in federal records, one utility holds the dominant service position - carrying the rate-setting authority, the infrastructure obligations, and the EPA reporting burden for most residential addresses.

Overview

We track home safety data for 1 ZIP code in The Sea Ranch, California, covering 1 community water system serving approximately 1,200 people. 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. 1 health-based violation appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for The Sea Ranch: A (95/100)

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

The Sea Ranch 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 4 1
Stage 1 DBP Rule Treatment Technique 2 1
Consumer Confidence Report Rule Reporting 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
95497 A 4 1 Sea Ranch Water Company,the (puc)

All ZIP Codes in The Sea Ranch

  • 95497 [A] - 4 violations ⚠

Data Sources

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

Health Outcomes in The Sea Ranch

9.8%
Asthma (US: 9.8%)
10.7%
Diabetes (US: 10.4%)
15.8%
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 9.8% ↓
Diabetes 10.7% ↑
Mental Health 15.8% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in The Sea Ranch Water

Stage 2 DBP Rule 4 violations
Treatment Technique
Disinfection byproduct exposure risk
Stage 1 DBP Rule 2 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 The Sea Ranch

1983
Median Build Year
49%
Built Before 1986
1%
Built Before 1970
Copper
Likely Pipe Material

With 49% 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

Development in The Sea Ranch unfolded across multiple decades, and the median build year of 1983 reflects a housing inventory where eras of construction are genuinely mixed - including portions that predate the federal prohibition on lead solder in plumbing.

1983
Median Year Built
49%
Pre-1986 (Lead Paint Risk)
1%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (1%) 1970–1986 (48%) Post-1986 (51%)

Most homes in The Sea Ranch 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 The Sea Ranch Homeowners

Placing remediation in the context of The Sea Ranch's property market, the equity share is low - most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.

Median Home Value
$1.2M
Est. Remediation
$500
Remediation as % of home value 0.0%

Remediation costs in The Sea Ranch are relatively low compared to home values. The $300–$800 estimated range is a small fraction of median property value. Home values are 62% above the California average.

Lead Exposure Risk for Children in The Sea Ranch

49%
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.

Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 49% of The Sea Ranch stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.

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

Frequently Asked Questions

What does the Home Safety Score mean for The Sea Ranch, CA?
The Sea Ranch has an average Home Safety Score of 95/100 (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. 4 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does The Sea Ranch have?
The Sea Ranch water systems have a total of 4 EPA violations, including 1 health-based violation. Violations are tracked across 1 ZIP code.
How does The Sea Ranch compare to California average?
The Sea Ranch has an average Home Safety Score of 95/100, which is above the California state average of 76/100 for the same model series.
How many water systems serve The Sea Ranch?
The Sea Ranch is served by 1 public water system across 1 ZIP code, serving approximately 1,200 people.
How much does it cost to fix water issues in The Sea Ranch?
Estimated remediation costs in The Sea Ranch average $500 per household, ranging from $300 to $800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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How to cite this page

APA ZipCheckup. (2026). The Sea Ranch, CA: 1 Health Violation - Home Safety 95/100. https://zipcheckup.com/cities/ca/the-sea-ranch/
BibTeX
@misc{zipcheckup-cities-ca-the-sea-ranch,
  author = {{ZipCheckup}},
  title  = {{The Sea Ranch, CA: 1 Health Violation - Home Safety 95/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/the-sea-ranch/}
}

Page version: August 2026.

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