TapGraded
F

YUCAIPA VALLEY WATER DISTRICT

Yucaipa, CA · 52,010 served

YUCAIPA VALLEY WATER DISTRICT serves 52,010 people in Yucaipa, CA. It has 3 health-based violations in the last 5 years. TapGraded gives this system an F.

Score breakdown

Health-based violations (5y)

3

Monitoring violations (5y)

0

Currently unaddressed

1

Overall score

39/100

Violation history (last 5 years)

2023
2024
2026
Health-based Monitoring / reporting

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Lead (Lead and Copper Rule)

EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).

90th-percentile lead sample 0 ppb
0 ppb EPA action level: 15 ppb

Latest EPA Lead and Copper Rule 90th-percentile reading (monitoring period ending December 31, 2023).

PFAS (UCMR5 occurrence data)

HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOA 4.2 ppt over limit
0 ppt EPA MCL: 4 ppt
PFOS (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
PFNA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFHxS (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt

System details

System type
Community water system
Water source
Surface water
Ownership
Local government
Service connections
13,646

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Frequently asked questions

Is Yucaipa, CA tap water safe to drink?

YUCAIPA VALLEY WATER DISTRICT has 3 health-based violations in the last 5 years. TapGraded gives this system an F. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.

Does YUCAIPA VALLEY WATER DISTRICT have lead in its water?

The most recent 90th-percentile lead sample is 0 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in YUCAIPA VALLEY WATER DISTRICT's water?

Yes — PFAS was detected at or above the EPA MCL for 1 of the tracked analytes.

Source: EPA SDWIS/ECHO · Data as of 2026Q2

TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.