Duncans Mills, CA (95430) Home Safety Report
EPA data for Sweetwater Springs Cwd - Monte Rio
EPA records for the water systems mapped to 95430 in Duncans Mills, 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 is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 75 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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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 (7) MODERATE
Your Water System
ZIP code 95430 in Duncans Mills, California is mapped to the water system Sweetwater Springs Cwd - Monte Rio (EPA ID: CA4910028). This system provides water to approximately 3,000 people from groundwater sources.
Other Water Quality Reports in California
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- 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
- 95486 (Villa Grande) - 2 mi
- 95462 (Monte Rio) - 2 mi
- 95465 (Occidental) - 4 mi
- 95446 (Guerneville) - 5 mi - 2 violations recorded for mapped water systems
- 95419 (Camp Meeker) - 6 mi
- 95471 (Rio Nido) - 6 mi
- 95450 (Jenner) - 8 mi - 5 violations recorded for mapped water systems
- 94922 (Bodega) - 8 mi
- 94923 (Bodega Bay) - 9 mi
- 95436 (Forestville) - 9 mi - 2 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sweetwater Springs Cwd - Monte Rio (CA4910028) on EPA.gov.
4 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.
Environmental Hazards (10) HIGH
Home & Infrastructure (6) OK
Cost & Community (6) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Duncans Mills
Based on local data for ZIP 95430, 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 Duncans Mills has 75 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 95430 was built around 1985. 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 CostsRoofing Inspection & Repair
Active weather alerts in California increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
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 95430 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 95430 (primary system: Sweetwater Springs Cwd - Monte Rio), 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 95430's water come from?
The recorded water source for Sweetwater Springs Cwd - Monte Rio, a system mapped to ZIP code 95430, is Groundwater. This system serves approximately 3,000 people.
How can I get my water tested in Duncans Mills?
If Sweetwater Springs Cwd - Monte Rio 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.
What is the radon risk for 95430?
95430 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Sonoma County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 95430?
FEMA records contain 75 flood insurance claims filed in ZIP code 95430; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Duncans Mills, CA (95430) Home Safety Report. https://zipcheckup.com/report/95430/
@misc{zipcheckup-report-95430,
author = {{ZipCheckup}},
title = {{Duncans Mills, CA (95430) Home Safety Report}},
year = {2026},
url = {https://zipcheckup.com/report/95430/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 95430
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 95486 | Villa Grande, CA | 2.2 mi | N/A | 0 |
| 95462 | Monte Rio, CA | 2.4 mi | N/A | 0 |
| 95465 | Occidental, CA | 4.5 mi | N/A | 0 |
| 95446 | Guerneville, CA | 4.8 mi | A | 2 |
| 95419 | Camp Meeker, CA | 6.1 mi | N/A | 0 |
| 95471 | Rio Nido, CA | 6.3 mi | N/A | 0 |
| 95450 | Jenner, CA | 8.3 mi | N/A | 5 |
| 94922 | Bodega, CA | 8.3 mi | N/A | 0 |
| 94923 | Bodega Bay, CA | 8.5 mi | N/A | 0 |
| 95436 | Forestville, CA | 8.6 mi | A | 2 |
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