Calistoga, CA: 6 Violations - Home Safety Score unavailable
1 ZIP code · 3 water systems · Updated
Data: EPA SDWIS
What You Should Know About Calistoga Water
- Your city's water systems recorded 6 violations in the past 5 years.
- Homes built before 1986: 68% - older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 11.55.
Who Supplies Your Water in Calistoga
Across Calistoga, CA, residential water comes from 3 primary utilities rather than a single consolidated provider. Each system operates independently - managing its own distribution infrastructure, rate schedules, and EPA compliance filings. Federal records track 3 water systems in the area, with these top providers accounting for the majority of residential connections.
Overview
We track home safety data for 1 ZIP code in Calistoga, California (population ~6,921), covering 3 community water systems serving approximately 32,411 people region-wide. 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. 5 health-based violations appear in the available health breakdown.
Water Sources
Calistoga water systems draw from: Groundwater, 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 |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 6 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 94515 | — | 6 | 5 | City of Calistoga, |
All ZIP Codes in Calistoga
- 94515 - 6 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.
Health Outcomes in Calistoga
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Calistoga Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Calistoga
With 68% 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
The character of Calistoga's housing stock is one of deep historical layering - a median build year of 1974 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.
Over half of homes in Calistoga were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Calistoga Homeowners
In Calistoga, property wealth outpaces what documented remediation typically demands - the equity burden lands well within the low tier.
Remediation costs in Calistoga are relatively low compared to home values. The $1,500–$4,100 estimated range is a small fraction of median property value. Home values are 12% above the California average.
Lead Exposure Risk for Children in Calistoga
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.
68% - that captures the slice of Calistoga housing dating from before the federal ban on solder containing lead. It pairs with aggregate utility readings that either approach or cross 0.015 mg/L, the benchmark set under the EPA Lead and Copper Rule. Together, the two figures shift one-home reads into a standard household-level confirmation, particularly for families with kids. A certified lead-removal filter is available through retailer-verified channels if a kit returns results that warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Calistoga
Historical NFIP data for Calistoga contains 44 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $11,126. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,400</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Calistoga, CA