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Pico Rivera, CA Tap Water Quality 2026

Water quality report for Pico Rivera, CA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Pico Rivera's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Pico Wd PWSID: CA1910125 Updated: 2026 Q2
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PFAS above the federal limit at 4 of 4 sampling points

Lead was not detected and no violations are open. However, PFAS exceeds the federal limit at 4 of 4 sampling points, running as high as 6.38 times the limit.

C

Pico Rivera earns a C for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS above the federal limit at 4 of 4 sampling points
21 violations since 2015, 0 health-based
No violations currently open
Pico Rivera's lead level vs. all California community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of California utilities
Population Served
24089
~5361 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
21 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2021–2022 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2021–2022 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2021–2022 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2021–2022 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2021–2022 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2021–2022 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2021–2022 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2021–2022 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2021–2022 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2021–2022 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2021–2022 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2021–2022 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2021–2022 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2021–2022 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

21 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Pico Wd
PWSID CA1910125
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 24,089
Service connections 5,361
Systems serving this area 6
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Pico Rivera tap water safe to drink? ▼
It meets most federal standards, but PFAS exceeds the federal limit at 4 of 4 sampling points. No violations are currently open.
Does Pico Rivera water have PFAS? ▼
Yes. PFAS exceeds the federal limit at 4 of 4 sampling points, running as high as 6.38 times the limit. Limits are enforced on a running annual average at each sampling point, not on a single sample.
Who supplies water to Pico Rivera? ▼
Pico Wd (PWSID CA1910125), one of 6 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2022-08-24. No significant deficiencies were recorded.

What Should Pico Rivera Residents Do?

1
Consider a reverse-osmosis filter
Reverse osmosis removes more than 95% of PFAS. Standard carbon pitchers do not.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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