Rio Vista, TX: 1 Health Violation - Home Safety 90/100
1 ZIP code · 5 water systems · Updated
ZipCheckup grade for Rio Vista: A.
No federal data flags a major home-safety concern for this ZIP.
Across Rio Vista, EPA monitoring data shows low violation rates and healthy safety margins - a pattern that places the city well above TX's average for drinking water compliance across recent reporting cycles.
How Rio Vista Compares
Data: EPA SDWIS
Rio Vista Water: The Quick Version
- Your city's water systems recorded 36 violations in the past 5 years.
- Average lead level: 0.0027 mg/L.
- Homes built before 1986: 35% - older plumbing may contain lead solder.
- Estimated remediation: $3,300 per household.
- CDC health risk index: 12.4 - above typical levels.
Water Systems Serving Rio Vista
At present, 3 utilities serve the bulk of Rio Vista, TX's residential water connections out of 5 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.
- A
- A
- A
Overview
We track home safety data for 1 ZIP code in Rio Vista, Texas (population ~4,193), covering 5 community water systems serving approximately 104,235 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. 1 health-based violation appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Rio Vista: A (90/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Rio Vista water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0027 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 |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 14 | 1 |
| Lead and Copper Rule | Treatment Technique | 12 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 8 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 6 | 1 |
| Revised Total Coliform Rule | Microbiological | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 76093 | A | 36 | 1 | Johnson County Special Utility District |
All ZIP Codes in Rio Vista
- 76093 [A] - 36 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.
CDC Health Data for Rio Vista
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
Key Contaminants Detected in Rio Vista
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Rio Vista's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
The story of Rio Vista's housing stock is one of layered development - neighborhoods built in different decades, each carrying the plumbing standards of their era. The median build year of 1994 reflects that layered character. Before 1986, lead solder was standard in copper plumbing; before 1970, lead pipes were commonly used for service lines. A substantial portion of the pre-1986 homes visible in the distribution above still carry the plumbing materials of those earlier standards - creating a risk environment that the city-wide aggregate water data doesn't fully capture.
Most homes in Rio Vista 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.
Rio Vista: Remediation Cost in Perspective
When the numbers for Rio Vista are taken together, the remediation share is clearly in the elevated category - most homeowners here are weighing a commitment that extends beyond routine property upkeep, and the practical value of documenting scope early, prioritizing by urgency, and mapping costs against the household budget is proportionally higher at this tier.
At 2.7% of home value, remediation costs in Rio Vista represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $2,250–$5,400. Home values here are 46% below the Texas average.
Protecting Children from Lead in Rio Vista
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 stock in Rio Vista represents 35% of the inventory, and citywide monitoring runs at or above the federal action level - making an in-home read a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Rio Vista
Historical NFIP data for Rio Vista contains 6 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $71,768. Among ZIP codes with claim records, 0% 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>$3,300</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 Rio Vista, TX