Cayucos, CA (93430) Home Safety Report
EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: Cayucos Beach Mutual Water Company)
EPA records for the water systems mapped to 93430 in Cayucos, CA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.0006 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 24 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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The top classification in Cayucos (93430) safety data is critical - only one condition reaches that level, with no high-priority findings documented below it.
Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) HIGH
Your Water System
ZIP code 93430 in Cayucos, California is mapped to the water system Cayucos Beach Mutual Water Company (EPA ID: CA4010006). This system provides water to approximately 2,567 people from surface water sources.
There are 4 community water systems serving this area.
Lead & Copper in Your Water
The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.
| Metal | Measured Level | EPA Action Level | Status | Sample Date or Period |
|---|---|---|---|---|
| Copper | Action-level exceedance on record | 1.3 mg/L | Exceeds action level | Not present in ZipCheckup accepted source data |
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Cayucos Beach Mutual Water Company | CA4010006 | 2,567 | Surface water |
| Slocsa #10a - Cayucos | CA4010901 | 1,200 | Surface water |
| Morro Rock Mutual Water Company | CA4010015 | 2,181 | Surface water |
| Atascadero Mutual Water Company | CA4010002 | 30,618 | Groundwater |
Other Water Quality Reports in California
- 90001 (Los Angeles)
- 90002 (Los Angeles)
- 90003 (Los Angeles)
- 90004 (Los Angeles)
- 90005 (Los Angeles)
- 90006 (Los Angeles)
- 90007 (Los Angeles)
- 90008 (Los Angeles)
- 90009 (Los Angeles)
- 90010 (Los Angeles)
- 90011 (Los Angeles)
- 90012 (Los Angeles)
- 90013 (Los Angeles)
- 90014 (Los Angeles)
- 90015 (Los Angeles)
- 90016 (Los Angeles)
- 90017 (Los Angeles)
- 90018 (Los Angeles)
- 90019 (Los Angeles)
- 90020 (Los Angeles)
Nearby Water Quality Reports
- 93442 (Morro Bay) - 5 mi - 1 violation recorded for mapped water systems
- 93435 (Harmony) - 6 mi
- 93443 (Morro Bay) - 6 mi
- 93423 (Atascadero) - 7 mi
- 93402 (Los Osos) - 9 mi
- 93412 (Los Osos) - 10 mi
- 93465 (Templeton) - 13 mi
- 93422 (Atascadero) - 13 mi
- 93428 (Cambria) - 13 mi - 1 violation recorded for mapped water systems
- 93405 (San Luis Obispo) - 16 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Cayucos Beach Mutual Water Company (CA4010006) on EPA.gov.
3 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 93430. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFOS, PFBA, PFBS, PFOA, PFHxS.
Highest measured level: 0.0223 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) MODERATE
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Cayucos
Based on local data for ZIP 93430, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Cayucos has 24 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 93430 was built around 1975. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Cayucos is 1975; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1975 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 93430 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 93430 (primary system: Cayucos Beach Mutual Water Company), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 93430's water come from?
The recorded water source for Cayucos Beach Mutual Water Company, a system mapped to ZIP code 93430, is Surface water. This system serves approximately 2,567 people.
How can I get my water tested in Cayucos?
If Cayucos Beach Mutual Water Company supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 93430 tap water?
The Lead and Copper Rule record selected for 93430 reports a 90th-percentile lead result of 0.00057 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 93430?
93430 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in San Luis Obispo County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 93430's water?
Yes, PFAS have been detected in samples from water systems mapped to 93430. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 93430?
FEMA records contain 24 flood insurance claims filed in ZIP code 93430; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Cayucos, CA (93430) Home Safety Report. https://zipcheckup.com/report/93430/
@misc{zipcheckup-report-93430,
author = {{ZipCheckup}},
title = {{Cayucos, CA (93430) Home Safety Report}},
year = {2026},
url = {https://zipcheckup.com/report/93430/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 93430
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 93442 | Morro Bay, CA | 5.2 mi | B | 1 |
| 93435 | Harmony, CA | 5.8 mi | N/A | 0 |
| 93443 | Morro Bay, CA | 5.9 mi | N/A | 0 |
| 93423 | Atascadero, CA | 6.9 mi | N/A | 0 |
| 93402 | Los Osos, CA | 9.4 mi | C | 0 |
| 93412 | Los Osos, CA | 9.8 mi | N/A | 0 |
| 93465 | Templeton, CA | 12.7 mi | B | 0 |
| 93422 | Atascadero, CA | 13.0 mi | C | 0 |
| 93428 | Cambria, CA | 13.3 mi | B | 1 |
| 93405 | San Luis Obispo, CA | 15.9 mi | B | 0 |
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