Oro Grande, CA Water Safety: 53/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Within Oro Grande, water quality data indicates below-average safety by CA standards — independent testing is a reasonable precaution for residents whose systems show active violations.
How Oro Grande Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Oro Grande Residents
- Homes built before 1986: 65% — older plumbing may contain lead solder.
- Estimated remediation: $400 per household.
- CDC health risk index: 11.58.
Oro Grande's Water Providers
2 independent water providers serve Oro Grande, CA — 2 systems appear in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Oro Grande, California (population ~925), covering 2 community water systems serving approximately 142,330 people region-wide.
No EPA violations recorded across any ZIP codes in Oro Grande — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Oro Grande: D (53/100)
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
Oro Grande water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Oro Grande
- 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 |
|---|---|---|---|
| 92368 | D | Helendale Community Service District | 6,347 |
All ZIP Codes in Oro Grande
- 92368 [D]
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.
Oro Grande 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
Oro Grande Infrastructure Age
With 65% 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
When a city's housing median build year is 1963, as in Oro Grande, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.
Over half of homes in Oro Grande 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.
How Remediation Costs Compare in Oro Grande
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Oro Grande is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in Oro Grande are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 58% below the California average.
Oro Grande: 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.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 65% of the Oro Grande inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Oro Grande
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 65% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Oro Grande, CA