Hacienda Heights, CA: 1 Violation - Home Safety 75/100
1 ZIP code · 4 water systems · Updated
ZipCheckup grade for Hacienda Heights: B.
This ZIP has a few items worth a quick check.
Within Hacienda Heights, CA, the available records add up to an upper-tier grade; that grade describes records, not the water at a given faucet.
How Hacienda Heights Compares
Data: EPA SDWIS
Key Facts for Hacienda Heights Residents
- Water systems mapped to your city have 1 violation on record since 2021.
- Homes built before 1986: 90% - older plumbing may contain lead solder.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 10.71.
Hacienda Heights's Water Providers
Counting every public water system linked to Hacienda Heights, CA in federal data gives 4. The list below keeps the 3 largest by reported population served, a figure that covers each system's whole service area rather than the city alone. A household's own supplier is named on its water bill.
- B
- B
- B
Overview
We track home safety data for 1 ZIP code in Hacienda Heights, California (population ~54,996), covering 4 community water systems serving approximately 522,897 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. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Hacienda Heights: B (75/100)
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
Hacienda Heights water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 91745 | B | 1 | 0 | San Gabriel Valley Water Company-el Monte |
All ZIP Codes in Hacienda Heights
- 91745 [B] - 1 violation
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.
Hacienda Heights Community Health Snapshot
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Hacienda Heights's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Hacienda Heights Infrastructure Age
With 90% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Renovation history matters as much as age: in Hacienda Heights, with a median build year of 1961, some older homes have been replumbed and some have not.
Over half of homes in Hacienda Heights were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. 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 Hacienda Heights
Measured against the median home value, the estimated cost of fixing the issues flagged for Hacienda Heights lands in the lowest of the three tiers this page uses.
Estimated remediation costs in Hacienda Heights can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 5% above the California average.
Hacienda Heights: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Hacienda Heights: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Hacienda Heights contains 18 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $7,415. 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 $500 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 Hacienda Heights, CA