Tres Pinos, CA Water Safety: 75/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
In current CA EPA data, Tres Pinos's tap water sits in the high-safety tier.
How Tres Pinos Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Tres Pinos Water
- Homes built before 1986: 55% — older plumbing may contain lead solder.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 10.93.
Who Supplies Your Water in Tres Pinos
Water service in Tres Pinos, CA is organized around a single utility — one of 1 tracked by regulator, and the one that manages the local distribution network while holding primary responsibility for EPA compliance reporting.
Overview
We track water quality and home safety data for 1 ZIP code in Tres Pinos, California, covering 1 community water system serving approximately 575 people.
No EPA violations recorded across any ZIP codes in Tres Pinos — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Tres Pinos: B (75/100)
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
Tres Pinos water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Tres Pinos
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 95075 | B | Tres Pinos Cwd | 350 |
All ZIP Codes in Tres Pinos
- 95075 [B]
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.
Health Outcomes in Tres Pinos
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
Housing & Infrastructure in Tres Pinos
With 55% 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
Plumbing risk in older housing is defined by two eras: the pre-1970 period when lead pipes were commonly used for service lines, and the 1970-to-1986 period when lead solder remained standard in copper plumbing until the federal ban. Tres Pinos's median build year of 1987 lands in a range where both eras are heavily represented in the housing stock. That creates an elevated aggregate environment for plumbing-related lead exposure — one that city-level water quality averages don't capture, because the risk sits inside individual properties rather than in the distribution system.
Over half of homes in Tres Pinos 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 Tres Pinos Homeowners
Because property values in Tres Pinos comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Tres Pinos are relatively low compared to home values. The $1,200–$3,300 estimated range is a small fraction of median property value. Home values are 16% above the California average.
Lead Exposure Risk for Children in Tres Pinos
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.
Older interior plumbing shapes the local picture: 55% of Tres Pinos homes predate the federal solder ban, and aggregate sampling either approaches or crosses the action benchmark. That mix makes a single-home draw a standard pre-purchase or pre-occupancy step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Tres Pinos
How does Tres Pinos's flood record connect to local water quality? The NFIP documents 2 claims — enough to signal recurring events — and 100% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
Tres Pinos has a moderate flood history with 2 FEMA claims averaging $49,741 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>$2,200</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 Tres Pinos, CA