TapGraded
A

MOSCOW WATER DEPT

Moscow, ID · 26,000 served

MOSCOW WATER DEPT serves 26,000 people in Moscow, ID. 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)

23

Currently unaddressed

0

Overall score

90/100

Violation history (last 5 years)

2021
2025
Health-based Monitoring / reporting

Get alerted when MOSCOW WATER DEPT gets a violation

We'll only email you about this water system. Unsubscribe anytime.

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 4 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOS (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
PFOA (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
Ground water
Ownership
Local government
Service connections
6,150

Worried about what's in your tap?

See which water filters are certified to remove the contaminants found in your area.

Find a filter that matches your water

Frequently asked questions

Is Moscow, ID tap water safe to drink?

MOSCOW WATER DEPT has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Does MOSCOW WATER DEPT have lead in its water?

The most recent 90th-percentile lead sample is 4 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in MOSCOW WATER DEPT'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