TapGraded
A

MULLEN HILL TERRACE MHP

Spokane, WA · 207 served

MULLEN HILL TERRACE MHP serves 207 people in Spokane, WA. 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)

11

Currently unaddressed

0

Overall score

90/100

Violation history (last 5 years)

2021
2022
2023
2024
2025
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 1.2 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).

System details

System type
Community water system
Water source
Ground water
Ownership
Private
Service connections
118

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Frequently asked questions

Is Spokane, WA tap water safe to drink?

MULLEN HILL TERRACE MHP has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Does MULLEN HILL TERRACE MHP have lead in its water?

The most recent 90th-percentile lead sample is 1.2 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in MULLEN HILL TERRACE MHP's water?

This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).

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