Manteca, CA: 2 Health Violations - Home Safety 82/100
2 ZIP codes · 6 water systems · Updated
ZipCheckup grade for Manteca: B.
This ZIP looks solid, with a few items worth a quick check.
Water utilities in Manteca have maintained a consistent compliance record over recent monitoring periods - the city's above-average grade in CA reflects low violation rates and no systemic health concerns flagged in current data.
How Manteca Compares
Data: EPA SDWIS
What You Should Know About Manteca Water
- Your city's water systems recorded 5 violations in the past 5 years.
- Average lead level: 0.0004 mg/L.
- Homes built before 1986: 40% - older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 11.38.
Who Supplies Your Water in Manteca
At present, 3 utilities serve the bulk of Manteca, CA's residential water connections out of 6 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.
- B
- B
- B
Overview
We track home safety data for 2 ZIP codes in Manteca, California (population ~95,514), covering 6 community water systems serving approximately 328,555 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 2 ZIP codes.
2 of 2 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Manteca: B (82/100)
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
Manteca water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0004 mg/L (EPA action level: 0.015 mg/L)
- 0 of 2 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 2 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead | Inorganic | 5 | 2 |
| 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 |
|---|---|---|---|---|
| 95336 | B | 5 | 2 | South San Joaquin Irrigation District |
| 95337 | B | 1 | 0 | South San Joaquin Irrigation District |
All ZIP Codes in Manteca
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 Manteca
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 Manteca Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Manteca
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 Manteca'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 1997 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 Manteca 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.
Cost Context: What Remediation Means for Manteca Homeowners
What does remediation cost in financial context for Manteca homeowners? Proportionally very little - the equity share here is low, and addressing documented issues is a manageable planning question rather than a material financial burden.
Remediation costs in Manteca are relatively low compared to home values. The $1,550–$3,550 estimated range is a small fraction of median property value. Home values are 17% below the California average.
Lead Exposure Risk for Children in Manteca
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 Manteca represents 40% 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 NFIP Claim Context in Manteca
Historical NFIP data for Manteca contains 74 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $39,357. 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 Manteca, CA