Esparto, CA Water Safety: 87/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Tap water in Esparto, CA scores well — low violation counts, above-average safety grade.
How Esparto Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Esparto Residents
- Homes built before 1986: 47% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 9.83.
Esparto's Water Providers
A single utility carries the primary residential water load in Esparto, CA — the dominant provider across 1 federally tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Esparto, California, covering 1 community water system serving approximately 3,935 people.
No EPA violations recorded across any ZIP codes in Esparto — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Esparto: A (87/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Esparto water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Esparto
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 95627 | A | Esparto C.s.d. | 3,574 |
All ZIP Codes in Esparto
- 95627 [A]
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
Updated daily.
Esparto Community Health Snapshot
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
Esparto Infrastructure Age
With 47% 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
What does a median build year of 1981 mean for water safety in Esparto? It means the housing stock straddles two key plumbing thresholds: the 1986 federal ban on lead solder in copper plumbing, and the pre-1970 era when lead pipes were commonly installed for service lines. A meaningful share of homes predates one or both of those cutoffs, creating varied risk levels across the city's housing inventory.
Most homes in Esparto 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.
How Remediation Costs Compare in Esparto
Low proportionality — that's the Esparto picture when remediation costs are placed against typical home equity.
Remediation costs in Esparto are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 35% below the California average.
Esparto: Lead Risk & Vulnerable Populations
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.
Wherever 47% of local housing was built before solder rules changed — as is the case in Esparto — a faucet-level sample closes the gap that aggregate utility data cannot.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Esparto: Flood History & Water Damage Risk
Taken together, Esparto's 6 NFIP flood insurance claims and 100% FEMA flood zone coverage place it in the moderate range of exposure. That middle position has specific implications for water quality. The contamination pathways that flooding can open — surface water overwhelming treatment facility intake, floodwaters infiltrating private wells, distribution pressure changes creating backflow — are not constant risks in a moderate-exposure community. But they do become active during significant flood events, and the claim record here indicates enough of those events to make flood timing an occasional factor in local water quality conversations.
Esparto has a moderate flood history with 6 FEMA claims averaging $14,554 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Esparto, CA