MOSES LAKE CITY OF
Moses Lake, WA · 32,428 served
MOSES LAKE CITY OF serves 32,428 people in Moses Lake, WA. It has 0 health-based violations in the last 5 years. TapGraded gives this system a C.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
42
Currently unaddressed
0
Overall score
70/100
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).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Ground water
- Ownership
- Local government
- Service connections
- 13,420
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Is Moses Lake, WA tap water safe to drink?
MOSES LAKE CITY OF has 0 health-based violations in the last 5 years. TapGraded gives this system a C.
Does MOSES LAKE CITY OF have lead in its water?
The most recent 90th-percentile lead sample is 3.2 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in MOSES LAKE CITY OF's water?
Yes — PFAS was detected at or above the EPA MCL for 2 of the tracked analytes.
Source: EPA SDWIS/ECHO · Data as of 2026Q2