Neighborhood Report Grade B

Riverside, CA Home Safety by Neighborhood - Water Issues Recorded

17 ZIP codes · 47 EPA violations on record for mapped water systems

Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow

ZipCheckup compares 17 ZIP codes across Riverside, CA. The area averages a grade B (71/100); water systems associated with 3 ZIP codes have recorded EPA violations.

Home-safety conditions vary across Riverside, CA. We compared 17 ZIP codes using the current versioned Home Safety Score. Water compliance remains one component alongside PFAS screening, radon, and annual air quality.

City Overview: Grade B (71/100)

Grade Neighborhoods %
A 0 0%
B 6 75%
C 2 25%
D 0 0%
F 0 0%

Neighborhood Rankings

Mapped ZIP codes in Riverside ranked by Home Safety Score:

Rank ZIP Code Score Grade Violations Lead Risk
1 92504 75 B 0 0.0028 mg/L
2 92505 75 B 0 0.0010 mg/L
3 92506 75 B 0 0.0013 mg/L
4 92508 75 B 0 0.0028 mg/L
5 92509 75 B 0 0.0016 mg/L
6 92501 74 B 1 0.0015 mg/L
7 92503 60 C 45 0.0037 mg/L
8 92507 57 C 2 0.0028 mg/L
9 92502 — — — No data
10 92513 — — — No data
11 92514 — — — No data
12 92515 — — — No data
13 92516 — — — No data
14 92517 — — — No data
15 92519 — — — No data
16 92521 — — 0 0.0010 mg/L
17 92522 — — — No data

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

  • 6 neighborhoods score better than county average
  • 2 neighborhoods score worse than county average

EPA Violations

  • 47 total violations since 2021 across the water systems mapped to Riverside ZIP codes (each system counted once; includes small systems beyond the city utility)
  • 1 health-based violation records in the available EPA data
  • 3 of 9 directly mapped ZIP records are mapped to water systems with recorded violations
  • 0 of 9 ZIP records with known lead status are served by a system whose 90th-percentile lead result exceeded the EPA action level

Top Contaminants

Contaminant Violations ZIPs
Total Trihalomethanes (TTHM) 2 1
Lead and Copper Rule 2 2
Arsenic 1 1
Barium 1 1
Cadmium 1 1

Frequently Asked Questions

Which ZIP code in Riverside has the highest home safety score?

ZIP code 92504 has the highest safety score among scored ZIP codes in Riverside at 75/100 (grade B). Check the full report for details.

Is Riverside water safe to drink?

The Home Safety Score is not a drinking-water grade. Across 9 directly mapped ZIP records, 47 EPA violations are recorded; 0 of 9 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.

Related Pages

Data Sources

Reporting periods vary by source; the page metadata identifies this materialization.

How to cite this page

APA ZipCheckup. (2026). Riverside, CA Home Safety by Neighborhood - Water Issues Recorded. https://zipcheckup.com/neighborhoods/ca/riverside/
BibTeX
@misc{zipcheckup-neighborhoods-ca-riverside,
  author = {{ZipCheckup}},
  title  = {{Riverside, CA Home Safety by Neighborhood - Water Issues Recorded}},
  year   = {2026},
  url    = {https://zipcheckup.com/neighborhoods/ca/riverside/}
}

Page version: October 2026.

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