Willow Creek, CA - Home Safety Score unavailable
1 ZIP code · 1 water system · Updated
Data: EPA SDWIS
Key Facts for Willow Creek Residents
- Your city's water systems recorded 3 violations since 2021.
- Homes built before 1986: 64% - older plumbing may contain lead solder.
- Estimated remediation: $300 per household.
- Health risk index (ZipCheckup composite of CDC data): 12.81.
Willow Creek's Water Providers
A single entry in the list below does not mean one utility serves all of Willow Creek, CA: it means one system appears there, while federal records link 1 to the area. Service areas and ZIP codes do not line up exactly, so the utility named on a household's water bill is the one whose record applies to that home.
Overview
We track home safety data for 1 ZIP code in Willow Creek, California, covering 1 community water system serving approximately 990 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.
Water Sources
Willow Creek water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead and Copper Rule Revisions | Treatment Technique | 6 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 95573 | — | 3 | 1 | Willow Creek C.s.d. |
All ZIP Codes in Willow Creek
- 95573 - 3 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Willow Creek Community Health Snapshot
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Willow Creek's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Willow Creek Infrastructure Age
With 64% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Ask the water utility whether your address in Willow Creek has a lead service line; its inventory can answer what a median build year of 1972 cannot.
Over half of homes in Willow Creek were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Willow Creek
In Willow Creek, estimated remediation comes to 1% or less of the median home value.
Estimated remediation costs in Willow Creek can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 54% below the California average.
Willow Creek: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Willow Creek, CA