MUSCOY MWC NO. 1
San Bernardino, CA · 13,000 served
MUSCOY MWC NO. 1 serves 13,000 people in San Bernardino, CA. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
16
Currently unaddressed
0
Overall score
90/100
Violation history (last 5 years)
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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).
Latest EPA Lead and Copper Rule 90th-percentile reading (monitoring period ending December 31, 2023).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Ground water
- Ownership
- Private
- Service connections
- 1,459
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Is San Bernardino, CA tap water safe to drink?
MUSCOY MWC NO. 1 has 0 health-based violations in the last 5 years. TapGraded gives this system an A. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.
Does MUSCOY MWC NO. 1 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 MUSCOY MWC NO. 1's water?
This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
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.